abaconis, Tivela abaconis Dall, 1902 - syn of: Tivela trigonella (Lamarck, 1818)
abbreviatus, Pitar abbreviatus Krauss, 1848 - syn of: Pitar hebraeus (Lamarck, 1818)
abducta, Venus abducta Römer, 1858 - syn of: Circe scripta (Linnaeus, 1758)
abyssicola, Dosinia abyssicola Habe, 1961
accincta, Callista accincta Römer, 1864
acetabulum, Dosinia acetabulum Conrad, 1832 † (FOSSIL)
acetabulum blackwelderi, Dosinia acetabulum blackwelderi Ward, 1992 † (FOSSIL)
acetabulum thori, Dosinia acetabulum thori Ward, 1992 † (FOSSIL)
acuminata, Hinemoana acuminata (Hutton, 1873) † (FOSSIL)
acuminata, Macrocallista acuminata Dall, 1903 † (FOSSIL)
acuminata, Tapes acuminata Sowerby, 1854 - syn of: Polititapes aureus (Gmelin, 1791)
acuminatus, Costellipitar acuminatus (Sowerby, 1851)
acutecostata, Lamelliconcha acutecostata (Gabb, 1873) † (FOSSIL)
adabionensis, Costacallista adabionensis (Oppenheim, 1915) † (FOSSIL)
adami, Dosinia adami Nicklés, 1955
adamsi, Protocallithaca adamsi (Reeve, 1863)
adelinae, Sunetta adelinae Angas, 1868
adspersa, Venus adspersa Lamarck, 1818 - syn of: Tapes literatus (Linnaeus, 1758)
adspersa, Tapes conspersus adspersa Römer
adunca, Gafrarium adunca Römer, 1869 - syn of: Gafrarium savignyi (Jonas, 1846)
aegrota, Venus aegrota Reeve, 1863 - syn of: Antigona lacerata (Hanley, 1845)
aenea, Venus aenea Turton, 1819 - syn of: Polititapes aureus (Gmelin, 1791)
aenigmaticus, Tapes aenigmaticus Fischer & Tournouer, 1874 † (FOSSIL)
aequicincta, Lamelliconcha aequicincta Spieker, 1922 † (FOSSIL)
aequilatera, Macridiscus aequilatera (Sowerby, 1825)
aequilatera, Anomalocardia aequilatera Dunker, 1868 - syn of: Tegillarca aequilatera (Dunker, 1868)
aequilatera, Gomphina aequilatera Sowerby, 1825 - syn of: Macridiscus aequilatera (Sowerby, 1825)
aequinoctiale, Agriopoma aequinoctiale Fischer-Piette, 1969
aequistriata, Petricola aequistriata Sowerby, 1874
aequivocum, Gafrarium aequivocum (Holten, 1802)
aequorea, Costacallista aequorea (Conrad, 1833) † (FOSSIL)
aerea, Venus aerea Hupé, 1854 - syn of: Eurhomalea exalbida (Dillwyn, 1817)
aetha, Dosinia aetha Iredale, 1930 - syn of: Dosinia mira Smith, 1885
affinis, Pitar affinis (Gmelin, 1791)
affinis, Dosinia affinis Deshayes, 1853 - syn of: Dosinia concentrica (Born, 1778)
affinis, Venus affinis Sowerby, 1853 - syn of: Venus subrosalina Tomlin, 1923
afra, Dosinia afra (Gmelin, 1791)
afra, Dosinia afra Gmelin, 1791 - syn of: Dosinia afra (Gmelin, 1791)
afra, Venus afra Gmelin, 1791 - syn of: Dosinia afra (Gmelin, 1791)
africana, Transennella africana Adegoke, 1977 † (FOSSIL)
africana, Arthemis africana Gray, 1838 - syn of: Dosinia afra (Gmelin, 1791)
africana, Lepidocardia floridella africana Von Mühlfeld
aglaurae, Antigona aglaurae Brongniart, 1823 † (FOSSIL)
agraria, Lirophora agraria White, 1887 † (FOSSIL)
agrestis, Venus agrestis Philippi, 1845 - syn of: Globivenus fordii (Yates, 1890)
alaavis, Paphia alaavis Röding, 1798 - syn of: Macrocallista nimbosa (Solander, 1786)
alabastrum, Pitar alabastrum (Reeve, 1863)
alapapilionis, Paphia alapapilionis Röding, 1798 - syn of: Paphia rotundata (Linnaeus, 1758)
alata, Dosinia alata Reeve, 1850 - syn of: Dosinia discus Reeve, 1850
alatus, Venus alatus Reeve, 1863 - syn of: Bassina pachyphylla (Jonas, 1839)
alba, Tapes alba Deshayes, 1853 - syn of: Polititapes durus (Gmelin, 1791)
albanyana, Petricola albanyana Turton, 1932 - syn of: Petricola bicolor Sowerby, 1854
albaria, Megapitaria albaria (Say, 1830)
albida, Callocardia albida Dall, 1890 - syn of: Vesicomya albida (Dall, 1890)
albidus, Pitar albidus (Gmelin, 1791)
albina, Venus albina Sowerby, 1853
albinus, Pitar albinus (Lamarck, 1818)
albocancellata, Periglypta albocancellata (Huber, 2010)
alboradiata, Venus alboradiata Sowerby, 1853 - syn of: Mercenaria campechiensis (Gmelin, 1791)
aldrichi, Pitar aldrichi Dockery, 1982 † (FOSSIL)
aletes, Hyphantosoma aletes (Hertlein & Strong, 1948)
aletes, Pitar aletes Hertlein & Strong, 1948 - syn of: Hyphantosoma aletes (Hertlein & Strong, 1948)
alfredense, Gafrarium alfredense (Bartsch, 1915)
alfredensis, Circe alfredensis Bartsch, 1915 - syn of: Gafrarium alfredense (Bartsch, 1915)
alfredensis, Anomalocardia alfredensis Bartsch, 1915 - syn of: Eumarcia paupercula (Holten, 1802)
aliciae, Sunetta aliciae Adams & Angas, 1864 - syn of: Sunetta vaginalis (Menke, 1843)
allisoni, Chione allisoni Hertlein & Grant, 1972 - syn of: Chione californiensis (Broderip, 1835)
allisoni, Chione allisoni Hertlein & Grant, 1972 - syn of: Chione californiensis (Broderip, 1835)
allporti, Circomphalus allporti Tenison-Woods, 1876 † (FOSSIL)
alma, Dosinia alma Iredale, 1929 - syn of: Dosinia histrio Gmelin, 1791
alma extranea, Pardsinia alma extranea Iredale, 1937 - syn of: Dosinia extranea (Iredale, 1937)
alopis, Venus alopis Brusina, 1870 - syn of: Timoclea ovata (Pennant, 1777)
alopsis, Venus alopsis Brusina, 1870 - syn of: Timoclea ovata (Pennant, 1777)
alta, Dosinia alta (Dunker, 1849)
alta, Cyprimeria alta Conrad, 1875 † (FOSSIL)
alta, Gouldia alta Dall, 1903 † (FOSSIL)
altenai, Dosinia altenai Fischer-Piette & Delmas, 1967 - syn of: Dosinia circularis Römer, 1862
altenai, Gouldia altenai Fischer-Piette, Kempf & Testud, 1970 - syn of: Gouldia cerina (Adams, 1845)
alternata, Lamelliconcha alternata (Broderip, 1835)
altior, Dosinia altior Deshayes, 1853
altoumbonatum, Pitar altoumbonatum (Nagao, 1928) † (FOSSIL)
altum, Placamen altum (Sowerby, 1853)
altum, Gafrarium altum Dall, 1903 † - syn of: Gouldia alta Dall, 1903 † (FOSSIL)
alucinans, Periglypta alucinans Sowerby, 1897 - syn of: Tivela natalensis Dunker, 1858
alvarezii, Venus alvarezii D'Orbigny, 1842 - syn of: Leukoma antiqua (King, 1832)
alveata, Lirophora alveata (Conrad, 1831) † (FOSSIL)
amabilis, Paphia amabilis Philippi, 1847
amamiensis, Dosinia amamiensis (Okutani, 2005)
amathusia, Chionopsis amathusia (Philippi, 1844)
amathusia, Venus amathusia Philippi, 1844 - syn of: Chionopsis amathusia (Philippi, 1844)
amathusia jamaniana, Chionopsis amathusia jamaniana Pilsbry & Olsson, 1941
amathusina, Venus amathusina Sowerby, 1853 - syn of: Chionopsis gnidia (Broderip & Sowerby, 1829)
ambigua, Chione ambigua (Rovereto, 1900) † (FOSSIL)
ambigua, Chione ambigua Deshayes, 1853 - syn of: Eumarcia paupercula (Holten, 1802)
americana, Transenpitar americana (Doello-Jurado, 1951)
amethystina, Dosinia amethystina Römer, 1860 - syn of: Dosinia lucinalis (Lamarck, 1818)
amica, Dorisca amica (Smith, 1885)
amica nana, Dorisca amica nana (Melvill, 1898)
amina, Dosinia amina Iredale, 1930 - syn of: Dosinia conglobata Römer, 1862
amirantium, Callista amirantium Melvill, 1909 - syn of: Lioconcha philippinarum (Hanley, 1844)
amphidesmoideas, Dosinia amphidesmoideas (Reeve, 1850) † (FOSSIL)
amphidesmoides, Dosinia amphidesmoides (Reeve, 1850)
amphidesmoides, Tapes amphidesmoides Reeve, 1864 - syn of: Circenita callipyga (Born, 1778)
amplectens, Petricola amplectens Tapparone-Canefri, 1875 - syn of: Petricola quadrasi (Hidalgo, 1886)
ampliata, Venus ampliata Carpenter, 1857 - syn of: Leukoma staminea (Conrad, 1837)
amygdala, Tapes amygdala Römer, 1864 - syn of: Polititapes aureus (Gmelin, 1791)
amygdalina, Petricola amygdalina Sowerby, 1834
anachoreta, Petricola anachoreta de Folin, 1867 - syn of: Choristodon robustus (Sowerby, 1834)
analoga, Tivelina analoga (Deshayes, 1857) † (FOSSIL)
analoga, Venus analoga Forbes, 1846
anatina, Tapes anatina Sowerby, 1854 - syn of: Polititapes aureus (Gmelin, 1791)
anceps, Venus anceps Deshayes, 1857 † (FOSSIL)
anchoreta, Petricola anchoreta de Folin, 1867 - syn of: Choristodon robustus (Sowerby, 1834)
ancisa, Callista ancisa Marwick, 1938 † (FOSSIL)
angasi, Circe angasi Smith, 1885 - syn of: Gouldiopa australis (Angas, 1865)
angelana, Chionopsis angelana (Spieker, 1922) † (FOSSIL)
angelinae, Pitar angelinae Harris, 1919 † (FOSSIL)
angolensis, Petricola angolensis Cosel, 1995
anguillana, Antigona anguillana Cooke, 1919 † - syn of: Periglypta tarquinia (Dall, 1900) † (FOSSIL)
angulatum, Gafrarium angulatum Röding, 1798 - syn of: Gafrarium pectinatum (Linnaeus, 1758)
angulifera, Transennella angulifera (Sowerby, 1851)
anguloides, Dosinia anguloides Nomura, 1935 † (FOSSIL)
angulosa, Dosinia angulosa (Philippi, 1847)
angustifrons, Katherinella angustifrons (Conrad) † (FOSSIL)
aniwana, Liocyma aniwana Dall, 1907 - syn of: Liocyma fluctuosa (Gould, 1841)
annae, Dosinia annae Carpenter, 1857 - syn of: Dosinia semiobliterata Deshayes, 1853
annae, Dosinia annae Carpenter, 1857 - syn of: Dosinia semiobliterata Deshayes, 1853
annandalei, Clementia annandalei Preston, 1914 - syn of: Clementia papyracea (Gmelin, 1791)
annettae, Lioconcha annettae Lamprell & Whitehead, 1990
annexa, Callista annexa Conrad, 1865 † (FOSSIL)
anomala, Venerupis anomala (Lamarck, 1818)
anomala, Venus anomala Lamarck, 1818 - syn of: Venerupis anomala (Lamarck, 1818)
anona, Lamelliconcha anona Olsson, 1942 † (FOSSIL)
antarctica, Austrocardilanx antarctica (Quilty, 1983) † (FOSSIL)
antarctica, Eurhomalea antarctica (Sharman & Newton, 1897) † (FOSSIL)
anthemodus, Tapes anthemodus Locard, 1886 - syn of: Polititapes aureus (Gmelin, 1791)
antillarum, Venus antillarum D'Orbigny, 1853 - syn of: Semele bellastriata Conrad, 1837
antillensis, Parastarte antillensis Woodring, 1925 † (FOSSIL)
antiqua, Leukoma antiqua (King, 1832)
antiqua madryna, Venus antiqua madryna Rovereto, 1914 - syn of: Leukoma antiqua (King, 1832)
anus, Dosinia anus (Philippi, 1848)
apaturia, Marcia apaturia (Römer, 1864)
aphrodina, Katelysia scalarina aphrodina Lamarck
aphrodinoides, Venus aphrodinoides Lamarck, 1818 - syn of: Katelysia scalarina (Lamarck, 1818)
apicalis, Chione apicalis Gray, 1838 - syn of: Callista kingii (Gray, 1827)
apicalis, Periglypta apicalis Philippi, 1836 - syn of: Gouldia minima (Montagu, 1803)
apodema, Venus apodema Dall, 1902 - syn of: Mercenaria campechiensis (Gmelin, 1791)
arabaya, Lioconcha arabaya Meij, Moolenbeek & Dekker, 2010
arabica, Periglypta arabica Chemnitz, 1795 - syn of: Circenita varia (Forsskål, 1775)
arabica, Venus arabica Chemnitz, 1795 - syn of: Circenita varia (Forsskål, 1775)
arabica, Venus arabica Dillwyn, 1817 - syn of: Circenita varia (Forsskål, 1775)
arabicum, Gafrarium arabicum (Lamarck, 1818)
aradasii, Venus casina aradasii Bucquoy, Dautzenberg & Dollfus
arakana, Timoclea arakana (Nevill & Nevill, 1871)
arakana lavrani, Timoclea arakana lavrani Fischer-Piette, 1974
araneosus, Tapes araneosus (Philippi, 1847)
araneosus, Venus araneosus Philippi, 1847 - syn of: Tapes araneosus (Philippi, 1847)
arata, Callistalox arata (Gabb, 1864) † (FOSSIL)
arata, Meretrix arata Gabb, 1864 † - syn of: Callistalox arata (Gabb, 1864) † (FOSSIL)
aratus, Saxidomus aratus Gould, 1861 - syn of: Saxidomus nuttalli Conrad, 1837
araucana, Eurhomalea araucana Philippi, 1887 - syn of: Eurhomalea exalbida (Dillwyn, 1817)
arcotensis, Venus arcotensis Forbes, 1846
arctica, Tapes arctica Reeve, 1864 - syn of: Liocyma fluctuosa (Gould, 1841)
arcuata, Petricola arcuata Deshayes, 1839 - syn of: Petricola carditoides (Conrad, 1837)
arenophila, Macrocallista arenophila Ihering, 1907 † (FOSSIL)
areolata, Dosinia areolata Römer, 1870
arestum, Agriopoma arestum (Dall & Simpson, 1901)
arestum, Meretrix arestum Dall & Simpson, 1901 - syn of: Agriopoma arestum (Dall & Simpson, 1901)
arestus, Pitar arestus (Dall & Simpson, 1901)
argentina, Leukoma argentina (Ihering, 1897) † (FOSSIL)
argentina, Tivela argentina (Sowerby, 1835)
argentina, Periglypta argentina Sowerby, 1835 - syn of: Tivela argentina (Sowerby, 1835)
arisanensis, Pitar arisanensis (Yokoyama) † (FOSSIL)
armoricensis, Marcia armoricensis (Vasseur, 1881) † (FOSSIL)
arnoldi, Katherinella arnoldi (Weaver, 1916) † (FOSSIL)
artemis, Circe artemis Deshayes, 1853 - syn of: Redicirce sulcata (Gray, 1838)
asiatica, Clementia asiatica (Melvill, 1899)
aspera, Venerupis aspera (Quoy & Gaimard, 1835)
aspera, Dosinia aspera (Reeve, 1850)
aspera, Venus aspera Quoy & Gaimard, 1835 - syn of: Venerupis aspera (Quoy & Gaimard, 1835)
aspera kioroshiensis, Venerupis aspera kioroshiensis Hirayama & Ando, 1954 † (FOSSIL)
asperrima, Leukoma asperrima (Sowerby, 1835)
asperrima, Venus asperrima Sowerby, 1835 - syn of: Leukoma asperrima (Sowerby, 1835)
aspersa, Tapes aspersa Sowerby, 1852 - syn of: Tapes literatus (Linnaeus, 1758)
assimilis, Tawera assimilis (Hutton, 1873) † (FOSSIL)
astartoides, Rhabdopitaria astartoides (Gardner, 1923) † (FOSSIL)
astartoides, Venus astartoides Beck, 1849 - syn of: Liocyma fluctuosa (Gould, 1841)
astensis, Venerupis astensis (Bonelli, 1827) † (FOSSIL)
astricta, Meretrix astricta (Reeve, 1864)
athleta, Lirophora athleta Conrad, 1863 - syn of: Lirophora latilirata (Conrad, 1841)
atlantica, Venerupis atlantica Maury, 1912 † (FOSSIL)
atlantica, Cooperella atlantica Rehder, 1943
atlantica, Callocardia atlantica Smith, 1885 - syn of: Vesicomya atlantica (Smith, 1885)
atlanticana, Chione atlanticana Anderson, 1929 † (FOSSIL)
attenuata, Meretrix attenuata Dunker, 1863
attenuata, Venerupis attenuata Sowerby, 1854 - syn of: Irus irus (Linnaeus, 1758)
attenuata flava, Meretrix attenuata flava Hornell, 1917 - syn of: Meretrix attenuata Dunker, 1863
attonitum, Granicorium attonitum Iredale, 1936 - syn of: Granicorium indutum Hedley, 1906
aturi, Sunetta aturi (Mayer, 1858) † (FOSSIL)
auberiana, Anomalocardia auberiana D'Orbigny, 1842 - syn of: Anomalocardia puella (Pfeiffer, 1846)
auberiana, Venus auberiana D'Orbigny, 1853 - syn of: Anomalocardia puella (Pfeiffer, 1846)
auberti, Dosinia auberti Fischer-Piette & Delmas, 1967
aucklandica, Chione aucklandica Powell, 1932 - syn of: Austrovenus stutchburyi (Wood, 1828)
aurantia, Chione aurantia Gray, 1838 - syn of: Megapitaria aurantiaca (Sowerby, 1831)
aurantiaca, Megapitaria aurantiaca (Sowerby, 1831)
aurantiaca, Periglypta aurantiaca Sowerby, 1831 - syn of: Megapitaria aurantiaca (Sowerby, 1831)
aurea, Venerupis aurea Gmelin, 1791 - syn of: Polititapes aureus (Gmelin, 1791)
aureus, Polititapes aureus (Gmelin, 1791)
aureus elongata, Polititapes aureus elongata (Dautzenberg, 1883)
aureus laetus, Pitar aureus laetus Poli, 1791 - syn of: Pitar laetus (Poli, 1791)
aureus lucens, Polititapes aureus lucens (Locard, 1886)
aureus oenea, Polititapes aureus oenea (Turton, 1819)
aureus ovata, Tapes aureus ovata Jeffreys, 1864 - syn of: Polititapes aureus (Gmelin, 1791)
aureus partita, Tapes aureus partita Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Polititapes aureus (Gmelin, 1791)
aureus quadrata, Tapes aureus quadrata Jeffreys, 1864 - syn of: Polititapes aureus (Gmelin, 1791)
aureus radiata, Tapes aureus radiata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Polititapes aureus (Gmelin, 1791)
aureus rugata, Tapes aureus rugata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Polititapes aureus (Gmelin, 1791)
aurilitoralis, Macrocallista aurilitoralis Cox, 1952 † (FOSSIL)
aurisiaca, Venus aurisiaca Gray, 1825 - syn of: Marcia japonica (Gmelin, 1791)
aurora, Meretrix aurora Hornell, 1917
aurora, Sunetta aurora Jousseaume, 1872 - syn of: Sunetta donacina (Gmelin, 1791)
ausiensis, Kaneharaia ausiensis Ilyina, 1957 † (FOSSIL)
austeniana, Tivela austeniana Maury, 1912 † (FOSSIL)
australe, Gafrarium australe (Sowerby, 1851)
australiana, Tawera australiana Huber, 2010
australica, Hysteroconcha australica Reeve, 1863 - syn of: Pitar pellucidus (Lamarck, 1818)
australis, Gouldiopa australis (Angas, 1865)
australis, Gouldia australis Angas, 1865 - syn of: Gouldiopa australis (Angas, 1865)
australis, Venus australis Quoy & Gaimard, 1835 - syn of: Dosinia histrio Gmelin, 1791
australis, Venus australis Sowerby, 1835 - syn of: Tawera lagopus (Lamarck, 1818)
australis, Circe australis Sowerby, 1851 - syn of: Gafrarium australe (Sowerby, 1851)
austrolissa, Eumarcia austrolissa Stilwell & Zinsmeister, 1992 † (FOSSIL)
avia, Periglypta avia (Deshayes, 1857) † (FOSSIL)
avitensis, Marcia avitensis (Cossmann, 1895) † (FOSSIL)
awana, Petricola awana Yokoyama, 1924 - syn of: Hiatella arctica awana (Yokoyama, 1924)
awateria, Eumarcia awateria Beu, 1970 † (FOSSIL)
ayabaca, Lamelliconcha ayabaca Olsson, 1931 † (FOSSIL)
badia, Venus badia Gray, 1838 - syn of: Lamelliconcha unicolor (Sowerby, 1835)
badia, Venus badia Holton, 1802 - syn of: Lamelliconcha unicolor (Sowerby, 1835)
bainbridgensis, Chionopsis bainbridgensis (Dall, 1916) † (FOSSIL)
baldryi, Pitar baldryi Olsson, 1930 † (FOSSIL)
banoni, Circe banoni (Tournouer, 1873) † (FOSSIL)
barandae, Gafrarium barandae (Hidalgo, 1885)
barashi, Timoclea barashi Fischer-Piette, 1974 - syn of: Timoclea hypopta (Sturany, 1899)
bardwelli, Macrocallista bardwelli Clench & Mclean, 1936 - syn of: Callista planatella (Lamarck, 1818)
bartrumi, Dosinia bartrumi Laws, 1930 † (FOSSIL)
bartrumi, Tawera bartrumi Marwick, 1927 † (FOSSIL)
basteroti, Dosinia basteroti (Agassiz, 1845) † (FOSSIL)
basteroti, Chione basteroti (Deshayes, 1843) † (FOSSIL)
basteroti, Tapes basteroti Mayer, 1860 † (FOSSIL)
baudoni, Tivelina baudoni Cossmann, 1886 † (FOSSIL)
baylii, Pitar baylii (Hupé, 1854) † (FOSSIL)
beatrix confusa, Gemma beatrix confusa (Wagner, 1908)
beatrix nicaraguae, Gemma beatrix nicaraguae (Wagner, 1908)
beatrix riopejensis, Gemma beatrix riopejensis Richling, 2004 † (FOSSIL)
beauii, Venus beauii Récluz, 1852 - syn of: Leukoma subrostrata (Lamarck, 1818)
becki, Dosinia becki Turton, 1932 - syn of: Dosinia hepatica (Lamarck, 1818)
beckii, Liocyma beckii Dall, 1870 - syn of: Liocyma fluctuosa (Gould, 1841)
beili, Leukoma beili Olsson, 1961
beili, Leukoma beili Olsson, 1961 - syn of: Leukoma beili Olsson, 1961
belcheri, Pitar belcheri (Sowerby, 1851)
belcheri, Tapes belcheri Sowerby, 1852
bella, Venus bella Jonas, 1844 - syn of: Timoclea decorata (Broderip & Sowerby, 1829)
bellovacensis, Dosiniopsis bellovacensis Deshayes, 1825 † - syn of: Dosiniopsis bellovacina (Deshayes, 1825) † (FOSSIL)
bellovacina, Dosiniopsis bellovacina (Deshayes, 1825) † (FOSSIL)
benereparata, Dosinia benereparata Laws, 1930 † (FOSSIL)
benhami, Eumarcia benhami Marwick, 1927 † (FOSSIL)
benoisti, Meretrix benoisti Cossmann & Peyrot, 1910 † (FOSSIL)
benoisti, Tapes benoisti Cossmann & Peyrot, 1910 † (FOSSIL)
bensoni, Raina bensoni (Marwick, 1927) † (FOSSIL)
bermudensis, Circe bermudensis Smith, 1885 - syn of: Gouldia cerina (Adams, 1845)
bermudezi, Pitar bermudezi Macsotay & Campos, 2001
bernayi, Venerella bernayi Cossmann, 1886 † (FOSSIL)
berrii, Placamen berrii (Wood, 1828)
berryi, Mercenaria berryi Gardner, 1943 † - syn of: Mercenaria druidi Ward, 1992 † (FOSSIL)
berryi, Placamen berryi Gray, 1828 - syn of: Placamen berrii (Wood, 1828)
berryi, Pitar berryi Keen, 1971
berryi, Venus berryi Sowerby, 1853 - syn of: Placamen berrii (Wood, 1828)
berthaulti, Lioconcha berthaulti Lamprell & Healy, 2002
bertini, Dosinia bertini Fischer-Piette & Delmas, 1967 - syn of: Dosinia nedigna (Iredale, 1930)
beteyensis, Cyclinella beteyensis Olsson, 1922 † (FOSSIL)
beudanti, Venus beudanti Payraudeau, 1826 - syn of: Polititapes aureus (Gmelin, 1791)
beyrichi, Callista beyrichi (Semper, 1861) † (FOSSIL)
biali, Chione biali Cossmann & Peyrot, 1910 † (FOSSIL)
bicolor, Tivela bicolor Gray, 1838
bicolor, Venus bicolor Lamarck, 1818 - syn of: Polititapes aureus (Gmelin, 1791)
bicolor, Petricola bicolor Sowerby, 1854
bicolorata, Venus bicolorata Dillwyn, 1817 - syn of: Circenita varia (Forsskål, 1775)
bicolorata, Tapes bicolorata Reeve, 1864 - syn of: Marcia recens (Holten, 1802)
bifurcata, Paphia bifurcata Quayle, 1938 - syn of: Venerupis philippinarum (Adams & Reeve, 1850)
bilineata, Venus bilineata Reeve, 1863 - syn of: Chione tumens Verrill, 1870
bilunulata, Dosinia bilunulata (Gray, 1838)
bipartita, Petricola bipartita Deshayes, 1853 - syn of: Petricola fabagella Lamarck, 1818
biradiata, Megapitaria squalida biradiata Gray
biradiata, Venus biradiata Risso, 1826 - syn of: Clausinella fasciata (Da Costa, 1778)
biradiata, Periglypta biradiata Sowerby, 1839 - syn of: Megapitaria squalida (Sowerby, 1835)
birtsi, Aphrodora birtsi (Preston, 1905)
biscocta, Dosinia biscocta (Reeve, 1850)
bisecta, Venus bisecta Conrad, 1849 - syn of: Conchocele bisecta (Conrad, 1849)
blackwelderi, Dosinia acetabulum blackwelderi Ward (FOSSIL)
blakei, Mercenaria blakei Ward, 1992 † (FOSSIL)
blandiana, Globivenus blandiana (Guppy, 1873) † (FOSSIL)
boettgeri, Dosinia boettgeri Martin, 1879 † (FOSSIL)
bolivarensis, Transennella bolivarensis Clark & Durham, 1946 † (FOSSIL)
bolivarensis, Chione bolivarensis Weisbord, 1929 † (FOSSIL)
bollonsi, Tawera bollonsi Powell, 1932 - syn of: Tawera sphaericula (Deshayes, 1853)
bombycina, Cyclina bombycina Römer, 1860 - syn of: Cyclina sinensis (Gmelin, 1791)
borealis, Venus borealis Linnaeus, 1767 - syn of: Lucinoma borealis (Linnaeus, 1767)
bortonensis, Turia bortonensis Marwick, 1927 † (FOSSIL)
botula, Petricola botula Olsson, 1961
boucaryensis, Lamelliconcha boucaryensis Olsson, 1922 † (FOSSIL)
bourguignati, Tapes bourguignati Locard, 1886 - syn of: Polititapes aureus (Gmelin, 1791)
bowersiana, Calva bowersiana Popenoe, 1837 † (FOSSIL)
brasiliana, Anomalocardia brasiliana (Gmelin, 1791)
brasiliana, Clementia brasiliana Maury, 1925 † - syn of: Clementia dariena Conrad, 1855 † (FOSSIL)
brasiliensis, Dosinia brasiliensis White, 1887 - syn of: Dosinia concentrica (Born, 1778)
brevilineata, Venus brevilineata Conrad † - syn of: Katherinella angustifrons (Conrad) † (FOSSIL)
brevilunulata, Dosinia brevilunulata Fischer-Piette & Delmas, 1967 - syn of: Dosinia glauca (Reeve, 1850)
brevisiphonata, Ezocallista brevisiphonata (Carpenter, 1864)
brevisiphonata, Saxidomus brevisiphonata Carpenter, 1864 - syn of: Ezocallista brevisiphonata (Carpenter, 1864)
brevispinata, Hysteroconcha brevispinata Deshayes, 1853 - syn of: Hysteroconcha brevispinosa (Sowerby, 1851)
brevispinosa, Hysteroconcha brevispinosa (Sowerby, 1851)
brocchii, Pelecyora brocchii (Deshayes, 1836) † (FOSSIL)
broggi, Anomalocardia broggi Pilsbry & Olsson, 1943 - syn of: Anomalocardia subrugosa Wood, 1828
broggi, Chione broggi Pilsbry & Olsson, 1943 - syn of: Anomalocardia subrugosa Wood, 1828
brogniarti, Clausinella brogniarti Payraudeau, 1826 - syn of: Clausinella fasciata (Da Costa, 1778)
brogniartina, Pseudaphrodina brogniartina (Leymerie, 1842) † (FOSSIL)
brongniarti, Flaventia brongniarti (Leymerie, 1842) † (FOSSIL)
brongniartii, Clausinella brongniartii Payraudeau, 1826 - syn of: Clausinella fasciata (Da Costa, 1778)
bronguiartii, Clausinella bronguiartii Payraudeau, 1826 - syn of: Clausinella fasciata (Da Costa, 1778)
brownianus, Protapes brownianus (Preston, 1906)
bruggeni, Sunetta bruggeni Fischer-Piette, 1974
brugieri, Petricola brugieri Hanley, 1845 - syn of: Venerupis bruguieri (Hanley, 1845)
bruguieri, Venerupis bruguieri (Hanley, 1845)
bruguieri, Arthemis bruguieri Gray, 1838 - syn of: Dosinia prostrata (Linnaeus, 1758)
bruguieri, Venus bruguieri Hanley, 1845 - syn of: Venerupis bruguieri (Hanley, 1845)
bruguieri, Tapes bruguieri Hanley, 1845 - syn of: Venerupis bruguieri (Hanley, 1845)
bruguieri, Ruditapes bruguieri Hanley, 1845 - syn of: Venerupis bruguieri (Hanley, 1845)
bruguieri, Dosinia bruguieri Lamprell & Whitehead, 1992 - syn of: Dosinia areolata Römer, 1870
brunnea, Psephidia brunnea Dall, 1916 - syn of: Neolepton salmoneum (Carpenter, 1864)
buccardium, Venus buccardium Born, 1778 - syn of: Arctica islandica (Linnaeus, 1767)
bucculentus, Pitar bucculentus (Römer, 1867)
buchivacoana, Chione buchivacoana Hodson, 1927 † (FOSSIL)
buenavistana, Pitar buenavistana Hodson, 1927 † (FOSSIL)
buenovistana, Pitar buenovistana Hodson, 1927 † - syn of: Pitar buenavistana Hodson, 1927 † (FOSSIL)
bulbosa, Petricola bulbosa Gould, 1851 - syn of: Choristodon robustus (Sowerby, 1834)
bullata, Pelecyora bullata (Sowerby, 1851)
bunkeri, Mercimonia bunkeri (Hanna, 1927) † (FOSSIL)
burckhardti, Dosinia burckhardti Ihering, 1907 † (FOSSIL)
burdigalensis, Chione burdigalensis (Mayer, 1858) † (FOSSIL)
burmeisteri, Leukoma burmeisteri (Borchert, 1901) † (FOSSIL)
burnsii, Chione burnsii Dall, 1900 † (FOSSIL)
burnsii discreta, Chione burnsii discreta Gardner, 1926 † (FOSSIL)
busschaerdi, Venus busschaerdi Réquien, 1848 - syn of: Clausinella fasciata (Da Costa, 1778)
buwaldi, Petricola buwaldi Clark, 1915 - syn of: Choristodon robustus (Sowerby, 1834)
byblidis, Egelicalva byblidis Saul & Popenoe, 1992 † (FOSSIL)
byronensis, Tivela byronensis (Gray, 1838)
byronensis hindsii, Tivela byronensis hindsii Hanley, 1844
caboblanquensis, Transennella caboblanquensis Weisbord, 1964
caelata, Dosinia caelata (Reeve, 1850)
caelatum, Gafrarium caelatum Adams, 1854 - syn of: Herouvalia caelata (Adams, 1854)
caerulea, Dosinia caerulea Reeve, 1850
caesarina, Periglypta caesarina (Dall, 1903) † (FOSSIL)
cailliaudi, Sunetta cailliaudi Dufour, 1881 † (FOSSIL)
caimitica, Petricola caimitica Maury, 1917 † (FOSSIL)
cainozoica, Marama cainozoica (Tenison Woods, 1877) † (FOSSIL)
calcanea, Pitar calcanea Dall, 1903 † (FOSSIL)
calcarea, Venus calcarea Gould, 1850 - syn of: Bassina yatei (Gray, 1835)
calcarea, Venus calcarea Philippi, 1844 - syn of: Mercenaria campechiensis (Gmelin, 1791)
calceola, Agriopoma calceola Gardner, 1936 † (FOSSIL)
caledonensis, Lioconcha caledonensis Harte & Lamprell, 1999
caledonica, Tapes caledonica Bernardi, 1856 - syn of: Marcia japonica (Gmelin, 1791)
californiana, Pitar californiana (Conrad, 1835) † (FOSSIL)
californica, Transenella californica Arnold, 1910 - syn of: Nutricola tantilla (Gould, 1853)
californica, Gouldia californica Dall, 1917
californiensis, Chione californiensis (Broderip, 1835)
californiensis, Venus californiensis Broderip, 1835 - syn of: Chione californiensis (Broderip, 1835)
californiensis, Gafrarium californiensis Dall, 1917 - syn of: Gouldia californica Dall, 1917
californiensis, Petricola californiensis Pilsbry & Lowe, 1932
californiensis durhami, Chione californiensis durhami Parker, 1949 - syn of: Chione californiensis (Broderip, 1835)
californiensis gealeyi, Chione californiensis gealeyi Parker, 1949 - syn of: Chione californiensis (Broderip, 1835)
californiensis peabodyi, Chione californiensis peabodyi Parker, 1949 - syn of: Chione californiensis (Broderip, 1835)
caliste, Venus caliste Gmelin, 1791 - syn of: Circenita varia (Forsskål, 1775)
callicomata, Lamelliconcha callicomata (Dall, 1902)
callicomata, Pitar callicomata Dall, 1902 - syn of: Lamelliconcha callicomata (Dall, 1902)
callimorpha, Globivenus callimorpha (Dall, 1902)
callipyga, Circenita callipyga (Born, 1778)
callipygum, Gafrarium callipygum (Born, 1778)
callistoides, Anomalocardia callistoides Pilsbry & Olsson, 1941 † (FOSSIL)
callosa, Amiantis callosa (Conrad, 1837)
callosa, Periglypta callosa Conrad, 1837 - syn of: Amiantis callosa (Conrad, 1837)
caloosana, Anomalocardia caloosana (Dall, 1900) † (FOSSIL)
calophylla, Chione calophylla Philippi, 1836 - syn of: Placamen lamellatum (Röding, 1798)
calophylla, Venus calophylla Philippi, 1836 - syn of: Placamen lamellatum (Röding, 1798)
calophylla, Clausinella calophylla Philippi, 1836 - syn of: Placamen lamellatum (Röding, 1798)
calophylla, Periglypta calophylla Philippi, 1836 - syn of: Placamen lamellatum (Röding, 1798)
calophylla, Bassina calophylla Philippi, 1836 - syn of: Placamen lamellatum (Röding, 1798)
calophyllum, Placamen lamellatum calophyllum Philippi
calophyllus, Circomphalus calophyllus Philippi, 1836 - syn of: Placamen lamellatum (Röding, 1798)
calvertensis, Petricola calvertensis Dall, 1900 † (FOSSIL)
calvimontana, Pitar calvimontana Deshayes, 1857 † (FOSSIL)
campechiensis, Mercenaria campechiensis (Gmelin, 1791)
campechiensis, Venus campechiensis Gmelin, 1791 - syn of: Mercenaria campechiensis (Gmelin, 1791)
campechiensis carolinensis, Mercenaria campechiensis carolinensis Conrad, 1875
campechiensis quadrata, Venus campechiensis quadrata Dall, 1902 - syn of: Mercenaria campechiensis (Gmelin, 1791)
campechiensis rileyi, Mercenaria campechiensis rileyi Conrad, 1838
campechiensis texana, Mercenaria campechiensis texana (Dall, 1902) - syn of: Mercenaria texana (Dall, 1902)
campechiensis tridacnoides, Mercenaria campechiensis tridacnoides Lamarck, 1818
canaliculata, Dosinia canaliculata Sowerby, 1852 - syn of: Dosinia cretacea (Reeve, 1850)
cancellata, Lajonkairia cancellata (Gmelin, 1791)
cancellata, Chione cancellata (Linnaeus, 1767)
cancellata, Venus cancellata Born, 1778 - syn of: Placamen lamellatum (Röding, 1798)
cancellata, Mercenaria cancellata Gabb, 1860 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
cancellata mazycki, Chione cancellata mazycki Dall, 1902 - syn of: Chione mazyckii Dall, 1902
cancellatus, Choristodon cancellatus Verrill, 1885
candida, Hysteroconcha candida Deshayes, 1853 - syn of: Callista diemenensis (Hanley, 1844)
canoasensis, Costacallista canoasensis Olsson, 1931 † (FOSSIL)
cantauranus, Asaphinoides cantauranus (Hodson, 1931) † (FOSSIL)
capax, Venus capax Conrad, 1844 - syn of: Mercenaria campechiensis (Gmelin, 1791)
caperata, Chimela caperata (J. de C. Sowerby, 1826) † (FOSSIL)
caperi, Hyphantosoma caperi (Lamprell & Healy, 1997)
capillacea, Periglypta capillacea (Deshayes, 1857) † (FOSSIL)
capricornea, Globivenus capricornea (Hedley, 1908)
capsuloides, Tivelina capsuloides Cossmann, 1886 † (FOSSIL)
carbaseus, Hyphantosoma carbaseus (Guppy, 1866) † (FOSSIL)
cardiodeum, Gafrarium cardiodeum Röding, 1798 - syn of: Gafrarium pectinatum (Linnaeus, 1758)
cardioides, Chioneryx cardioides (Lamarck, 1818)
carditoides, Petricola carditoides (Conrad, 1837)
carditoides, Irus carditoides Lamarck, 1818
caribbeana, Periglypta caribbeana Anderson, 1927 † (FOSSIL)
carlottae, Lirophora carlottae Palmer, 1927 † (FOSSIL)
carmenensis, Xenoloupia carmenensis Clark & Durham, 1946 † (FOSSIL)
carneola, Marcia carneola (Lamarck, 1818)
carneola, Venus carneola Lamarck, 1818 - syn of: Marcia carneola (Lamarck, 1818)
carolinensis, Mercenaria campechiensis carolinensis Conrad
carolinensis, Petricola carolinensis Conrad, 1863 - syn of: Petricolaria pholadiformis (Lamarck, 1818)
carolinensis, Mysia carolinensis Conrad, 1875 - syn of: Diplodonta nucleiformis Wagner, 1840
carolinensis, Mercenaria carolinensis Conrad, 1875 - syn of: Mercenaria campechiensis (Gmelin, 1791)
caroniana, Pleiorytis caroniana Maury, 1925 † (FOSSIL)
carpentariana, Dosinia carpentariana Lamprell & Healy, 1997
carpenteri, Anomalocardia carpenteri Dunker, 1866 - syn of: Mosambicarca hians (Reeve, 1844)
carpenteri, Tapes carpenteri Römer, 1861 - syn of: Polititapes durus (Gmelin, 1791)
carri, Tawera carri (Marwick, 1927) † (FOSSIL)
cartagenensis, Lirophora cartagenensis Hodson, 1926 † (FOSSIL)
carteri, Calpitaria carteri (d'Archaic & Haime, 1854) † (FOSSIL)
caryonautes, Transennella caryonautes Berry, 1963
casa, Chione casa Ihering, 1907 † (FOSSIL)
casina, Venus casina Linnaeus, 1758
casina albina, Venus casina albina Dautzenberg & Fischer, 1906 - syn of: Venus casina Linnaeus, 1758
casina aradasii, Venus casina aradasii Bucquoy, Dautzenberg & Dollfus, 1889
casina corsicanus, Venus casina corsicanus Aradas & Benoit, 1870
casina globosa, Venus casina globosa Benoit & Aradas, 1878 - syn of: Venus casina Linnaeus, 1758
casina picta, Venus casina picta Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Venus casina Linnaeus, 1758
casina sicilianus, Venus casina sicilianus Aradas & Benoit, 1870
casinaeformis, Venus casinaeformis Yokoyama, 1926 - syn of: Venus cassinaeformis (Yokoyama, 1926)
casinoides, Chione casinoides (Basterot, 1825) † (FOSSIL)
casinula, Venus casinula Deshayes, 1833 - syn of: Venus casina Linnaeus, 1758
casinus, Circomphalus casinus Linnaeus, 1758 - syn of: Venus casina Linnaeus, 1758
cassinaeformis, Venus cassinaeformis (Yokoyama, 1926)
casta, Meretrix casta (Gmelin, 1791)
casta, Venus casta Gmelin, 1791 - syn of: Meretrix casta (Gmelin, 1791)
castanea, Periglypta castanea Lamarck, 1818 - syn of: Meretrix meretrix (Linnaeus, 1758)
castanea, Venus castanea Say, 1822 - syn of: Astarte castanea (Say, 1822)
castigata, Dosinia castigata Marwick, 1960 † (FOSSIL)
castoriana, Agriopoma castoriana Gardner, 1943 † (FOSSIL)
castrensis, Lioconcha castrensis (Linnaeus, 1758)
castrensis, Tapes castrensis Deshayes, 1848 - syn of: Polititapes aureus (Gmelin, 1791)
castrensis texturoides, Tapes castrensis texturoides Pallary, 1912 - syn of: Polititapes aureus (Gmelin, 1791)
catenifera, Venus catenifera Lamarck, 1818 - syn of: Polititapes aureus (Gmelin, 1791)
catharia, Agriopoma catharia (Dall, 1902)
catharia, Callocardia catharia Dall, 1902 - syn of: Agriopoma catharia (Dall, 1902)
cathariium, Agriopoma cathariium Dall, 1902 - syn of: Agriopoma catharia (Dall, 1902)
catillum, Gafrarium catillum Hedley, 1909
caudex, Irus caudex (Laws, 1936) † (FOSSIL)
cavachana, Macrocallista cavachana Hanna & Israelsky, 1925 † (FOSSIL)
cedrina, Paraesa cedrina Saul, 1993 † (FOSSIL)
cedroensis, Pitar cedroensis Clark & Durham, 1946 † (FOSSIL)
centangulatus, Hyphantosoma centangulatus Brown & Pilsbry, 1911 † (FOSSIL)
ceramota, Lirophora ceramota Gardner, 1947 † (FOSSIL)
cercadica, Pitar cercadica Maury, 1917 † (FOSSIL)
cerina, Gouldia cerina (Adams, 1845)
ceylonensis, Tapes ceylonensis Sowerby, 1852 - syn of: Marcia opima (Gmelin, 1791)
ceylonica, Pelecyora ceylonica (Dunker, 1865)
ceylonica, Venus ceylonica Martini & Chemnitz, 1782 - syn of: Geloina erosa (Lightfoot, 1786)
charanica, Lamelliconcha charanica Olsson, 1931 † (FOSSIL)
charapota, Petricola charapota Olsson, 1961 - syn of: Petricola insignis (Deshayes, 1854)
chathamensis, Dosinia chathamensis Marwick, 1928 † (FOSSIL)
chattonensis, Turia chattonensis Marwick, 1927 † (FOSSIL)
chejsliensis, Pitar chejsliensis Sinelnikova, 1990 † (FOSSIL)
chemetschensis, Pitar chemetschensis Krishtofovich, 0 † - syn of: Pitar matsumotoi (Nagao, 1928) † (FOSSIL)
chemnitzii, Antigona chemnitzii (Hanley, 1845)
chemnitzii, Venus chemnitzii Hanley, 1845 - syn of: Antigona chemnitzii (Hanley, 1845)
chemnitzii, Periglypta chemnitzii Hanley, 1845 - syn of: Antigona chemnitzii (Hanley, 1845)
chemnitzii laqueata, Antigona chemnitzii laqueata Sowerby, 1853 - syn of: Antigona laqueata (Sowerby, 1853)
cheribonensis, Protapes cheribonensis Oostingh, 1935 † (FOSSIL)
chevreauxi, Venus chevreauxi Dautzenberg, 1891 - syn of: Venus chevreuxi Dautzenberg, 1891
chevreuxi, Venus chevreuxi Dautzenberg, 1891
chikuzenensis, Dosinia chikuzenensis Nagao, 1928 † - syn of: Dosinia nomurai Otuka, 1934 † (FOSSIL)
chikuzensis, Dosinia chikuzensis (Nagao) † (FOSSIL)
chilensis, Venus chilensis Broderip & Sowerby, 1835 - syn of: Leukoma thaca (Molina, 1782)
chilensis, Venus chilensis D'Orbigny, 1842 † (FOSSIL)
chilkaensis, Sunetta chilkaensis Preston, 1914 - syn of: Sunetta meroe (Linnaeus, 1758)
chiloensis, Petricola chiloensis Philippi, 1845 - syn of: Petricola dactylus Sowerby, 1823
chinensis, Callista chinensis (Holten, 1802)
chinensis, Petricola chinensis Deshayes, 1853 - syn of: Petricola fabagella Lamarck, 1818
chinensis, Venus chinensis Dillwyn, 1817 - syn of: Cyclina sinensis (Gmelin, 1791)
chinensis, Liocyma chinensis Zhang, Xu & Leng, 2010
chinsuiensis, Anomalodiscus chinsuiensis Masuda & Huang, 1994 † (FOSSIL)
chionacea, Megapitaria squalida chionacea Menke
chionaea, Periglypta chionaea Menke, 1847 - syn of: Megapitaria squalida (Sowerby, 1835)
chione, Callista chione (Linnaeus, 1758)
chione brevior, Meretrix chione brevior Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Callista chione (Linnaeus, 1758)
chione elongata, Meretrix chione elongata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Callista chione (Linnaeus, 1758)
chione major, Meretrix chione major Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Callista chione (Linnaeus, 1758)
chioneformis, Agriopoma chioneformis Gardner, 1943 † (FOSSIL)
chipolana, Dosinia chipolana Dall, 1903 † (FOSSIL)
chiraensis, Agriopoma chiraensis Olsson, 1931 † (FOSSIL)
chiriquiensis, Lirophora chiriquiensis Olsson, 1922 † (FOSSIL)
chishimana, Macrocallista chishimana Pilsbry, 1905 - syn of: Ezocallista brevisiphonata (Carpenter, 1864)
chloroticum, Placamen chloroticum (Philippi, 1849)
chordatus, Costellipitar chordatus (Römer, 1867)
chuangi, Timoclea chuangi Fischer-Piette & Vukadinovic, 1977
cineracea, Venus cineracea Hupé, 1854 - syn of: Leukoma antiqua (King, 1832)
cinerea, Tapes cinerea Deshayes, 1853 - syn of: Venerupis aspera (Quoy & Gaimard, 1835)
cingenda, Venus cingenda Dillwyn, 1817 - syn of: Chione cancellata (Linnaeus, 1767)
cingulata, Venus cingulata Sowerby, 1853 - syn of: Chionopsis pulicaria (Broderip, 1835)
cingulifera, Dosinia cingulifera Römer, 1862
cingulina, Venus cingulina Lamy & Fischer-Piette, 1938 - syn of: Placamen berrii (Wood, 1828)
circinaria, Dosinia circinaria Deshayes, 1853 - syn of: Dosinia crocea Deshayes, 1853
circinata, Lamelliconcha circinata (Born, 1778)
circinata, Venus circinata Born, 1778 - syn of: Lamelliconcha circinata (Born, 1778)
circinata vinacea, Lamelliconcha circinata vinacea Olsson, 1961 - syn of: Lamelliconcha vinacea Olsson, 1961
circinatus, Pitar circinatus Born, 1778 - syn of: Lamelliconcha circinata (Born, 1778)
circularis, Gouldia circularis Deshayes, 1857 † (FOSSIL)
circularis, Dosinia circularis Römer, 1862
citrina, Meretrix citrina Lamarck, 1818 - syn of: Pitar citrinus (Lamarck, 1818)
citrinum, Granicorium citrinum Lamprell & Healy, 1999
citrinus, Pitar citrinus (Lamarck, 1818)
clandestinus, Tapes clandestinus Mayer, 1860 † (FOSSIL)
clarki, Lamelliconcha clarki Dickerson, 1917 † (FOSSIL)
clathrata, Antigona clathrata Deshayes, 1853 - syn of: Periglypta albocancellata (Huber, 2010)
clathrata, Venus clathrata Deshayes, 1853 - syn of: Periglypta albocancellata (Huber, 2010)
clathrata, Periglypta clathrata Deshayes, 1854 - syn of: Periglypta albocancellata (Huber, 2010)
clathrata, Venus clathrata Röding, 1798 - syn of: Chione dysera (Linnaeus, 1758)
clenchi, Lirophora clenchi (Pulley, 1952)
cleryana, Venus cleryana D'Orbigny, 1842 † (FOSSIL)
clessini, Sunetta clessini Ancey, 1880 - syn of: Sunetta solanderii (Gray, 1825)
coaxans, Venus coaxans Gmelin, 1791 - syn of: Geloina erosa (Lightfoot, 1786)
coccinea, Callista coccinea Poli, 1795 - syn of: Callista chione (Linnaeus, 1758)
cochinensis, Timoclea cochinensis (Sowerby, 1853)
cochinensis, Venus cochinensis Sowerby, 1853 - syn of: Timoclea cochinensis (Sowerby, 1853)
coelata, Tawera coelata (Menke, 1843)
coelata, Venus coelata Menke, 1843 - syn of: Tawera coelata (Menke, 1843)
coelata, Paphia coelata Tomlin, 1923 - syn of: Paphia rotundata (Linnaeus, 1758)
coerulea, Dosinia coerulea Reeve, 1850 - syn of: Dosinia caerulea Reeve, 1850
coerulescens, Sunetta coerulescens Link, 1807 - syn of: Circe scripta (Linnaeus, 1758)
cognata, Petricolaria cognata (Adams, 1852)
cognata, Chione cognata Pritchard, 1903 † (FOSSIL)
coislinensis, Tivelina coislinensis Cossmann, 1907 † (FOSSIL)
cola, Transennella cola Woodring, 1982 † (FOSSIL)
colchaguana, Pitar colchaguana (Hupé, 1854) † (FOSSIL)
colombiana, Agriopoma colombiana Clark & Durham, 1946 † (FOSSIL)
coloradoensis, Dosinia coloradoensis Rivera, 1957 † (FOSSIL)
colorata, Dosinia colorata Iredale, 1929 - syn of: Dosinia amphidesmoides (Reeve, 1850)
columbiensis, Leukoma columbiensis (Sowerby, 1835)
complanata, Arthemis complanata Locard, 1892 - syn of: Dosinia exoleta (Linnaeus, 1758)
complanatus, Textivenus complanatus (Defrance, 1828) † (FOSSIL)
compressa, Tivela compressa (Sowerby, 1851)
compressa, Venus compressa Montagu, 1808 - syn of: Astarte montagui (Dillwyn, 1817)
compressa, Meretrix compressa Römer, 1866 - syn of: Meretrix lamarckii Deshayes, 1853
compressa, Periglypta compressa Zhuang, 1964 - syn of: Periglypta corbis (Lamarck, 1818)
compta, Chione compta (Broderip, 1835)
compta, Venus compta Broderip, 1835 - syn of: Chione compta (Broderip, 1835)
compta, Dosinia compta Lovén, 1846 - syn of: Dosinia lupina (Linnaeus, 1758)
compunctata, Venus compunctata Link, 1807 - syn of: Tapes literatus (Linnaeus, 1758)
comta, Dosinia comta Lovén, 1846 - syn of: Dosinia lupina (Linnaeus, 1758)
comta, Dosinia comta Sowerby, 1846 - syn of: Dosinia glauca (Reeve, 1850)
concentrica, Dosinia concentrica (Born, 1778)
concentrica, Venus concentrica Born, 1778 - syn of: Dosinia concentrica (Born, 1778)
concentrica, Parastarte concentrica Dall, 1889 - syn of: Gemma gemma (Totten, 1834)
concentrica prosapia, Dosinia concentrica prosapia Weisbord, 1964 - syn of: Dosinia concentrica (Born, 1778)
concinna, Lamelliconcha concinna (Sowerby, 1835)
concinna, Timoclea concinna (Viader, 1951)
concinna, Sunetta concinna Dunker, 1865
concinna, Petricola concinna Sowerby, 1834 † (FOSSIL)
concinna, Hysteroconcha concinna Sowerby, 1835 - syn of: Lamelliconcha concinna (Sowerby, 1835)
concoralla, Petricoxenica concoralla Vokes, 1976 † (FOSSIL)
conformis, Venus conformis Deshayes, 1857 † (FOSSIL)
confusa, Nutricola confusa (Gray, 1982)
confusa, Gemma beatrix confusa Wagner
conglobata, Dosinia conglobata Römer, 1862
congoensis, Venus congoensis Thiele & Jaeckel, 1931 - syn of: Timoclea ovata (Pennant, 1777)
conradi, Cytheriopsis conradi Clark & Durham, 1946 † (FOSSIL)
conradi, Pitar conradi Dickerson, 1916 † (FOSSIL)
conradi, Venus conradi Römer, 1867 - syn of: Leukoma staminea (Conrad, 1837)
conradiana, Costacallista conradiana (Gabb, 1864) † (FOSSIL)
conradiana, Transennella conradiana Dall, 1884 - syn of: Transennella conradina Dall, 1884
conradina, Transennella conradina Dall, 1884
consanguinea, Periglypta consanguinea Adams, 1852 - syn of: Pitar consanguineus (Adams, 1852)
consanguineus, Pitar consanguineus (Adams, 1852)
consanguineus elenensis, Pitar consanguineus elenensis Olsson, 1961
consobrina, Venus consobrina Deshayes, 1853 - syn of: Venus casina Linnaeus, 1758
consobrina, Dosinia consobrina Deshayes, 1853 - syn of: Dosinia hepatica (Lamarck, 1818)
consola, Redicirce consola Iredale, 1936 - syn of: Redicirce sulcata (Gray, 1838)
conspectus, Saxidomus conspectus Krishtofovich, 1969 † (FOSSIL)
conspersus, Tapes conspersus (Gmelin, 1791)
conspersus adspersa, Tapes conspersus adspersa Römer, 1870
consternans, Gouldiopa consternans (Oliver & Zuschin, 2001)
consternans, Microcirce consternans Oliver & Zuschin, 2001 - syn of: Gouldiopa consternans (Oliver & Zuschin, 2001)
contempta, Sunettina contempta Smith, 1891 - syn of: Sunetta sunettina (Jousseaume, 1891)
contempta, Cyclosunetta contempta Smith, 1891 - syn of: Sunetta sunettina (Jousseaume, 1891)
contempta bruggeni, Sunetta contempta bruggeni Fischer-Piette, 1974 - syn of: Sunetta bruggeni Fischer-Piette, 1974
contracta, Dosinia contracta (Philippi, 1844)
contraria, Venus contraria Gmelin, 1791 - syn of: Crassatina contraria (Gmelin, 1791)
contusa, Dosinia contusa (Reeve, 1850)
conularis, Venus conularis Lamarck, 1818 - syn of: Katelysia scalarina (Lamarck, 1818)
cookei, Dorisca cookei Dall, Bartsch & Rehder, 1938 - syn of: Dorisca jucunda (Smith, 1885)
coquandi, Leukoma coquandi (Hupé, 1854) † (FOSSIL)
cor, Costellipitar cor (Hanley, 1844)
cor, Protapes cor (Sowerby, 1853)
cor, Caryatis cor Römer, 1867 - syn of: Pitar elatus Sowerby, 1908
cor, Tapes cor Sowerby, 1853 - syn of: Protapes cor (Sowerby, 1853)
cor, Venus cor Sowerby, 1853 - syn of: Protapes cor (Sowerby, 1853)
cor, Paphia cor Sowerby, 1853 - syn of: Protapes cor (Sowerby, 1853)
cora, Lamelliconcha cora (Brown & Pilsbry, 1911) † (FOSSIL)
cora, Tivela cora Römer, 1864
corbicula, Venus corbicula Gmelin, 1791 - syn of: Tivela mactroides (Born, 1778)
corbis, Periglypta corbis (Lamarck, 1818)
corbis, Venus corbis Lamarck, 1818 - syn of: Periglypta corbis (Lamarck, 1818)
corbulina, Pitar corbulina (Lamarck, 1806) † (FOSSIL)
corculum, Pelecyora corculum (Römer, 1870)
cordata, Marcia cordata (Forsskål, 1775)
cordata, Venus cordata Forsskål, 1775 - syn of: Marcia cordata (Forsskål, 1775)
cordata, Pitar cordata Schwengel, 1951 - syn of: Pitarenus cordatus (Schwengel, 1951)
cordata, Macrocallista cordata Waring, 1917 † - syn of: Paraesa lens (Gabb, 1864) † (FOSSIL)
cordatus, Pitarenus cordatus (Schwengel, 1951)
cordieri, Petricola cordieri Deshayes, 1839 - syn of: Irusella lamellifera (Conrad, 1837)
cordieri notabilis, Venerupis cordieri notabilis Deshayes, 1853 - syn of: Irusella lamellifera (Conrad, 1837)
cordiformis, Periglypta cordiformis Dunker, 1849 - syn of: Pitar affinis (Gmelin, 1791)
corioensis, Katelysia corioensis Tate, 1887 † (FOSSIL)
coroanus, Pitar coroanus Hodson, 1927 † (FOSSIL)
corpulenta, Periglypta corpulenta Gray, 1838 - syn of: Meretrix meretrix (Linnaeus, 1758)
corrugata, Circe corrugata (Dillwyn, 1817)
corrugata, Venerupis corrugata (Gmelin, 1791)
corrugata, Nagaoella corrugata (Nagao, 1934) † (FOSSIL)
corrugata, Dosinia corrugata (Reeve, 1850)
corrugata, Lucinopsis corrugata Brusina, 1866 - syn of: Mysia undata (Pennant, 1777)
corrugata, Venus corrugata Dillwyn, 1817 - syn of: Circe rugifera (Lamarck, 1818)
corrugata, Venus corrugata Lamarck, 1818 - syn of: Katelysia victoriae (Tenison-Woods, 1878)
corrugata, Dosinella corrugata Reeve, 1850 - syn of: Dosinia corrugata (Reeve, 1850)
corrugata geographica, Venerupis corrugata geographica Gmelin, 1791 - syn of: Venerupis geographica (Gmelin, 1791)
corrugata saxatilis, Venerupis corrugata saxatilis (Fleuriau de Bellevue, 1802)
corrugata senegalensis, Venerupis corrugata senegalensis (Gmelin, 1791)
corrugatula, Venus corrugatula Krynicki, 1837 - syn of: Chamelea gallina (Linneus, 1758)
corrugatus, Tapes corrugatus (Gmelin, 1791)
corsicanus, Venus casina corsicanus Aradas & Benoit
cortezi, Chionista fluctifraga cortezi Carpenter
cortezi, Chione cortezi Carpenter, 1864 - syn of: Chionista fluctifraga cortezi (Carpenter, 1864)
cortinaria, Chione cortinaria Rogers & Rogers, 1847 † (FOSSIL)
coryne, Dosinia coryne Adams, 1856 - syn of: Dosinia caerulea Reeve, 1850
costaricensis, Chione costaricensis Olsson, 1922 † (FOSSIL)
costata, Chamelea costata Brown, 1827 - syn of: Clausinella fasciata (Da Costa, 1778)
costata, Venus costata Dillwyn, 1817 - syn of: Callista erycinella (Lamarck, 1818)
costata, Petricola costata Lamarck, 1801 - syn of: Petricola lapicida (Gmelin, 1791)
costata, Petricola costata Philippi, 1849 - syn of: Petricola rugosa Sowerby, 1834
costata, Venus costata Quoy & Gaimard, 1835 - syn of: Leukoma crassicosta (Deshayes, 1835)
costatum, Gafrarium costatum Röding, 1798 - syn of: Gafrarium pectinatum (Linnaeus, 1758)
costatus, Cuneus costatus Von Mühlfeld, 1811 - syn of: Sunetta meroe (Linnaeus, 1758)
costellata, Venus costellata Broderip & Sowerby, 1835 - syn of: Leukoma antiqua (King, 1832)
costellata, Petricola costellata Lamarck, 1818 - syn of: Petricola lithophaga (Retzius, 1788)
costellifera, Timoclea costellifera (Adams & Reeve, 1850)
costulata, Venus costulata Wood, 1828 - syn of: Tawera gallinula (Lamarck, 1818)
cottoni, Dosinia cottoni Marwick, 1927 † (FOSSIL)
coxeni, Pitar coxeni (Smith, 1884)
crachrodii, Circe crachrodii Gray, 1838 - syn of: Circenita callipyga (Born, 1778)
craspedonia, Chione craspedonia (Dall, 1903) † (FOSSIL)
crassa, Dollfusia crassa Cossmann, 1886 † (FOSSIL)
crassa, Periglypta crassa Gray, 1825 - syn of: Meretrix casta (Gmelin, 1791)
crassa, Atamarcia crassa Marwick, 1927 † (FOSSIL)
crassa, Venus crassa Quoy & Gaimard, 1835 - syn of: Tawera spissa (Deshayes, 1835)
crassatellaeformis, Circe crassatellaeformis Cossmann, 1906 † (FOSSIL)
crassatelliformis, Atamarcia crassatelliformis (Marwick, 1927) † (FOSSIL)
crassicosta, Leukoma crassicosta (Deshayes, 1835)
crassicosta, Venus crassicosta Deshayes, 1835 - syn of: Leukoma crassicosta (Deshayes, 1835)
crassicostata, Anomalocardia crassicostata Adams, 1873 - syn of: Anadara crassicostata (Adams, 1873)
crassicostata, Leukoma crassicostata Deshayes, 1835 - syn of: Leukoma crassicosta (Deshayes, 1835)
crassiscula, Paphia crassiscula Lamarck, 1818 - syn of: Paphia crassisulca (Lamarck, 1818)
crassisquamata, Timoclea crassisquamata (Prashad, 1932)
crassisulca, Paphia crassisulca (Lamarck, 1818)
crassisulca, Venus crassisulca Lamarck, 1818 - syn of: Paphia crassisulca (Lamarck, 1818)
crassisulca, Paphia crassisulca Lamprell & Whitehead, 1992 - syn of: Paphia inflata (Deshayes, 1853)
crassitesta, Chione crassitesta Finlay, 1924 - syn of: Austrovenus stutchburyi (Wood, 1828)
crassum, Hyphantosoma crassum Raines & Huber, 2012
cravenensis, Gemma cravenensis Gardner, 1943 † (FOSSIL)
crebra, Dosina crebra Hutton, 1873 - syn of: Dosina mactracea (Broderip, 1835)
crebrelamellata, Venerupis crebrelamellata Tate, 1887 - syn of: Irus cumingii (Deshayes, 1854)
crebrilamellata, Venerupis crebrilamellata Tate, 1887 - syn of: Irus cumingii (Deshayes, 1854)
crebrisulca, Venus crebrisulca Lamarck, 1818
crebrisulca, Venus crebrisulca Sowerby, 1853 - syn of: Globivenus toreuma (Gould, 1850)
crenata, Puberella crenata (Gmelin, 1791)
crenata, Venus crenata Gmelin, 1791 - syn of: Puberella crenata (Gmelin, 1791)
crenatula, Venus crenatula Sowerby, 1852
crenatus, Irus crenatus (Lamarck, 1818)
crenatus, Venerupis crenatus Lamarck, 1818 - syn of: Irus crenatus (Lamarck, 1818)
crenifera, Chionopsis crenifera (Sowerby, 1835)
crenifera, Venus crenifera Sowerby, 1835 - syn of: Chionopsis crenifera (Sowerby, 1835)
crenulata, Plesiastarte crenulata (Deshayes, 1857) † (FOSSIL)
crenulata, Goshoraia crenulata (Matsumoto, 1938) † (FOSSIL)
crenulata, Venus crenulata Dillwyn, 1817 - syn of: Puberella crenata (Gmelin, 1791)
crenulata, Venus crenulata Risso, 1826 - syn of: Astarte fusca (Poli, 1791)
crenulata, Venus crenulata Sowerby, 1853 - syn of: Puberella crenata (Gmelin, 1791)
crenulata lilacina, Venus crenulata lilacina Carpenter, 1864 - syn of: Chionopsis lilacina (Carpenter, 1864)
creplini, Venus creplini Dunker, 1852 - syn of: Meretrix casta (Gmelin, 1791)
cretacea, Aphrodina cretacea (Conrad, 1870) † (FOSSIL)
cretacea, Dosinia cretacea (Reeve, 1850)
cribraria, Venus cribraria Conrad, 1843 - syn of: Puberella crenata (Gmelin, 1791)
crispata, Periglypta crispata (Deshayes, 1853)
crispata, Venus crispata Dall, 1889 - syn of: Periglypta listeri (Gray, 1838)
crispolamella, Clausinella fasciata crispolamella Cossmann & Peyrot (FOSSIL)
crocea, Aphrodora crocea (Deshayes, 1854)
crocea, Circe crocea (Gray, 1838)
crocea, Dosinia crocea Deshayes, 1853
crocea, Dione crocea Deshayes, 1853 - syn of: Aphrodora crocea (Deshayes, 1854)
croceus, Pitar croceus Deshayes, 1853 - syn of: Aphrodora crocea (Deshayes, 1854)
crowderi, Tivela crowderi Weaver, 1942 † (FOSSIL)
cruda, Dosinia cruda Fischer-Piette & Delmas, 1967 - syn of: Dosinia queenslandica Healy & Lamprell, 1992
cubaniana, Transennella cubaniana (D'Orbigny, 1853)
culebrana, Transennella culebrana (Dall & Simpson, 1901)
cultellus, Petricolaria cultellus (Deshayes, 1853)
cumingi, Claudiconcha cumingi (Deshayes, 1853)
cumingii, Irus cumingii (Deshayes, 1854)
cumingii, Dosinia cumingii (Reeve, 1850)
cumingii, Venerupis cumingii (Sowerby, 1852)
cumingii, Venerupis cumingii Deshayes, 1854 - syn of: Irus cumingii (Deshayes, 1854)
cumingii, Clementia cumingii Deshayes, 1855 - syn of: Clementia papyracea (Gmelin, 1791)
cumingii, Venus cumingii D'Orbigny, 1845 - syn of: Transennella modesta (Broderip & Sowerby, 1835)
cumingii, Sunetta cumingii Smith, 1891 - syn of: Sunetta sunettina (Jousseaume, 1891)
cuneata, Mercenaria cuneata Conrad, 1868 - syn of: Mercenaria campechiensis (Gmelin, 1791)
cuneiformis, Venus cuneiformis Reeve, 1864 - syn of: Katelysia scalarina (Lamarck, 1818)
cuneimeris, Anomalocardia cuneimeris (Conrad, 1846)
cuneimeris, Venus cuneimeris Conrad, 1846 - syn of: Anomalocardia cuneimeris (Conrad, 1846)
cunninghami, Dosinia cunninghami (Huber, 2010)
cunninghami, Bonartemis cunninghami Huber, 2010 - syn of: Dosinia cunninghami (Huber, 2010)
curionii, Periglypta curionii (Deshayes, 1857) † (FOSSIL)
curnowae, Pitar curnowae Lamprell & Healy, 1997
curta, Atamarcia curta (Hutton, 1873) † (FOSSIL)
cyclica, Cyclinella cyclica (Guppy, 1866) † (FOSSIL)
cycloides, Venus cycloides D'Orbigny, 1845 - syn of: Dosinia ponderosa Gray, 1838
cyclolites, Venus cyclolites Bory De Saint-Vincent, 1827 - syn of: Lajonkairia lajonkairii (Payraudeau, 1826)
cyclus, Petricola cyclus Pilsbry, 1901 - syn of: Petricola fabagella Lamarck, 1818
cyclus sculpturata, Petricola cyclus sculpturata Pilsbry, 1901 - syn of: Petricola fabagella Lamarck, 1818
cydippe, Dosinia cydippe Adams, 1856 - syn of: Dosinia caerulea Reeve, 1850
cygnus, Periglypta cygnus Aradas & Benoit, 1872 - syn of: Venus casina Linnaeus, 1758
cylindracea, Petricola cylindracea Deshayes, 1839 - syn of: Petricola carditoides (Conrad, 1837)
cymata, Nutricola cymata (Dall, 1913)
cymata, Psephidia cymata auct. non Dall, 1913 - syn of: Nutricola tantilla (Gould, 1853)
cymata, Psephidia cymata Dall, 1913 - syn of: Nutricola cymata (Dall, 1913)
cypria, Venus cypria Broderip & Sowerby, 1835 - syn of: Lirophora mariae (D'Orbigny, 1846)
cyprinoides, Venus cyprinoides Anton, 1838 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
cyrilli, Venus cyrilli Scacchi, 1832 - syn of: Gouldia minima (Montagu, 1803)
cythereaeformis, Venus cythereaeformis Deshayes, 1857 † (FOSSIL)
dactyloides, Tapes dactyloides Sowerby, 1852 - syn of: Venerupis corrugata (Gmelin, 1791)
dactylus, Petricola dactylus Sowerby, 1823
dalikiensis, Pitar dalikiensis Cox, 1936 † (FOSSIL)
dalli, Dosinia dalli Gardner, 1947 † (FOSSIL)
dalli, Lirophora dalli Olsson, 1914 † (FOSSIL)
dalliana, Chione dalliana Maury, 1912 † (FOSSIL)
damaoides, Tivela damaoides (Wood, 1828)
damaoides, Venus damaoides Wood, 1828 - syn of: Tivela damaoides (Wood, 1828)
damasoi, Venus damasoi Cossignani, 2015
danmonia, Venus danmonia Montagu, 1808 - syn of: Astarte sulcata (Da Costa, 1778)
dariena, Clementia dariena Conrad, 1855 † (FOSSIL)
dariena rabelli, Clementia dariena rabelli Maury, 1920
dariena vetula, Clementia dariena vetula Woodring, 1926
darraghi, Proxichione darraghi Maxwell, 1978 † (FOSSIL)
darwini, Chione darwini Philippi, 1887 † (FOSSIL)
darwinii, Venus darwinii Römer, 1858 - syn of: Chionopsis gnidia (Broderip & Sowerby, 1829)
dasa, Transennella dasa Gardner, 1926 † (FOSSIL)
dasa makra, Transennella dasa makra Gardner, 1926 † (FOSSIL)
dashamii, Venerupis dashamii Ray, 1948 - syn of: Irus vertumnalium (Melvill, 1918)
dauleana, Chionopsis tegulum dauleana Marks
dautzenbergi, Dosinia dautzenbergi Fischer-Piette & Delmas, 1967
dautzenbergi, Lioconcha philippinarum dautzenbergi Prashad
dautzenbergi, Lamelliconcha dautzenbergi Prashad, 1932 - syn of: Lioconcha philippinarum dautzenbergi Prashad, 1932
dealbata, Venus dealbata Gmelin, 1791 - syn of: Scrobicularia plana (Da Costa, 1778)
decipiens, Venus decipiens Hanley, 1845 - syn of: Clausinella fasciata (Da Costa, 1778)
declivis, Paphia declivis (Sowerby, 1852)
declivis, Venus declivis Boshoff, 1965 - syn of: Venus thomassini Fischer-Piette & Vukadinovic, 1977
declivis, Tapes declivis Sowerby, 1852 - syn of: Paphia declivis (Sowerby, 1852)
declivis, Venus declivis Sowerby, 1853
decorata, Timoclea decorata (Broderip & Sowerby, 1829)
decorata, Venus decorata Broderip & Sowerby, 1829 - syn of: Timoclea decorata (Broderip & Sowerby, 1829)
decore, Loxo decore Dailey & Popenoe, 1966 † (FOSSIL)
decussata, Leukoma decussata (Deshayes, 1853)
decussata, Venerupis decussata (Linnaeus, 1758)
decussata, Saxidomus decussata Deshayes, 1853 - syn of: Leukoma decussata (Deshayes, 1853)
decussata, Venerupis decussata Philippi, 1836 - syn of: Lajonkairia lajonkairii (Payraudeau, 1826)
decussatus, Tapes decussatus Linnaeus, 1758 - syn of: Venerupis decussata (Linnaeus, 1758)
deflorata, Venus deflorata Born, 1778 - syn of: Venerupis decussata (Linnaeus, 1758)
delessertii, Tivela delessertii (Sowerby, 1854)
deleta, Venus deleta Deshayes, 1857 † (FOSSIL)
delicatissima, Dosinia delicatissima Brown & Pilsbry, 1913 † (FOSSIL)
delicatula, Venus delicatula Deshayes, 1857 † (FOSSIL)
deltoidea, Tivelina deltoidea (Lamarck, 1806) † (FOSSIL)
denisi, Dosinia denisi Fischer-Piette & Delmas, 1967 - syn of: Dosinia nedigna (Iredale, 1930)
dennanti, Chioneryx dennanti (Chapman & Crespin, 1928) † (FOSSIL)
densicosta, Dosinia densicosta Marwick, 1927 † (FOSSIL)
densilineata, Dosinia densilineata (Pritchard, 1896) † (FOSSIL)
dentaria, Tivela dentaria (Lamarck, 1818)
dentaria isabelleana, Tivela dentaria isabelleana (D'Orbigny, 1846)
denticulata, Venus denticulata Quoy & Gaimard, 1835 - syn of: Tawera spissa (Deshayes, 1835)
denticulata, Petricola denticulata Sowerby, 1834
denticulata, Tapes denticulata Sowerby, 1852 - syn of: Venerupis philippinarum (Adams & Reeve, 1850)
denticulata abbreviata, Petricola denticulata abbreviata Sowerby, 1834 - syn of: Petricola denticulata Sowerby, 1834
depressum, Gafrarium depressum Röding, 1798 - syn of: Gafrarium pectinatum (Linnaeus, 1758)
derelicta, Venerupis derelicta Deshayes, 1854 - syn of: Irus irus (Linnaeus, 1758)
dertoparva, Chione dertoparva (Sacco, 1889) † (FOSSIL)
dertoparva merignacensis, Chione dertoparva merignacensis Cossmann & Peyrot, 1909 † (FOSSIL)
derupta, Dosinia derupta Römer, 1860 - syn of: Pelecyora nana (Reeve, 1850)
deserti, Flaventia deserti Douvillé, 1916 † (FOSSIL)
deshayesi, Tapes deshayesi (Sowerby, 1852) † (FOSSIL)
deshayesi, Clementia deshayesi Cossmann, 1886 † (FOSSIL)
deshayesiana, Circe deshayesiana (Basterot, 1825) † (FOSSIL)
deshayesiana, Venus deshayesiana Bianconi, 1856 - syn of: Tapes sulcarius (Lamarck, 1818)
deshayesii, Dosinia deshayesii Adams, 1856
deshayesii, Tapes sulcarius deshayesii Hanley
deshayesii, Tapes deshayesii Hanley, 1844 - syn of: Tapes sulcarius deshayesii (Hanley, 1844)
deshayesii sulphurea, Venus deshayesii sulphurea Philippi, 1848 - syn of: Tapes literatus (Linnaeus, 1758)
despecta, Chionella despecta (Deshayes, 1857) † (FOSSIL)
diana, Dosinia diana Adams & Angas, 1864 - syn of: Dosinia caerulea Reeve, 1850
diaphana, Venus diaphana Gmelin, 1791 - syn of: Felania diaphana (Gmelin, 1791)
dictua, Chione dictua Tate, 1887 † (FOSSIL)
dieffenbachii, Venus dieffenbachii Gray, 1843 - syn of: Austrovenus stutchburyi (Wood, 1828)
diemenensis, Callista diemenensis (Hanley, 1844)
difficilis, Grateloupia difficilis (Basterot, 1825) † (FOSSIL)
difficilis, Eurhomalea difficilis (Ortmann, 1899) † (FOSSIL)
digitale, Petricola digitale Smith, 1916 - syn of: Lajonkairia digitalis (Smith, 1916)
digitalis, Lajonkairia digitalis (Smith, 1916)
digona, Venerupis digona Deshayes, 1854 - syn of: Irus irus (Linnaeus, 1758)
dilatata, Dosinia dilatata Deshayes, 1853 - syn of: Dosinia amphidesmoides (Reeve, 1850)
dilecta, Gouldiopa dilecta (Gould, 1861)
dilecta, Dosinia dilecta Adams, 1856
dillwyni, Tivela dillwyni (Deshayes, 1853)
dinotus, Pitar dinotus Woodring, 1982 † (FOSSIL)
dione, Hysteroconcha dione (Linnaeus, 1758)
dione, Pitar dione Linnaeus, 1758 - syn of: Hysteroconcha dione (Linnaeus, 1758)
dione, Venus dione Linnaeus, 1758 - syn of: Hysteroconcha dione (Linnaeus, 1758)
discina, Venus discina Lamarck, 1818 - syn of: Venus casina Linnaeus, 1758
discoidalis, Rhabdopitaria discoidalis (Conrad, 1833) † (FOSSIL)
discors, Gafrarium discors (Gmelin, 1791)
discors, Venus discors Broderip & Sowerby, 1835 - syn of: Leukoma grata (Say, 1831)
discrepans, Lirophora discrepans (Sowerby, 1835)
discrepans, Venus discrepans Philippi, 1844 - syn of: Leukoma antiqua (King, 1832)
discreta, Chione burnsii discreta Gardner (FOSSIL)
discus, Dosinia discus Reeve, 1850
disjecta, Circomphalus disjecta (Perry, 1811) - syn of: Bassina disjecta (Perry, 1811)
disjecta, Bassina disjecta (Perry, 1811)
disjecta, Venus disjecta Perry, 1811 - syn of: Bassina disjecta (Perry, 1811)
dispar, Gafrarium dispar (Holten, 1802)
dispar, Venus dispar Dillwyn, 1817 - syn of: Gafrarium dispar (Holten, 1802)
disrupta, Callista disrupta (Sowerby, 1853)
distans, Venerupis distans Lamarck, 1818 - syn of: Irus carditoides Lamarck, 1818
distans, Venus distans Philippi, 1851 - syn of: Lirophora mariae (D'Orbigny, 1846)
distans, Artemis distans Sowerby, 1851 - syn of: Dosinia concentrica (Born, 1778)
distincta, Pitar distincta Deshayes, 1857 † (FOSSIL)
distinguenda, Tapes distinguenda Fischer-Piette & Lamy, 1939 - syn of: Tapes literatus (Linnaeus, 1758)
divaricata, Circe divaricata (Gmelin, 1791)
divaricata, Lajonkairia divaricata (Lischke, 1872)
divaricata, Petricola divaricata D'Orbigny, 1853 - syn of: Petricola lapicida (Gmelin, 1791)
divaricatum, Gafrarium divaricatum (Gmelin, 1791)
divergens, Petricola lapicida divergens Gmelin
divergens, Venus divergens Gmelin, 1791 - syn of: Petricola lapicida divergens (Gmelin, 1791)
diversa, Tapes diversa Sowerby, 1852 - syn of: Leukoma staminea (Conrad, 1837)
dixoni, Tivelina dixoni (Deshayes, 1857) † (FOSSIL)
djiboutiensis, Venus djiboutiensis Jousseaume, 1894 - syn of: Timoclea marica (Linnaeus, 1758)
dodona, Callocardia prosayana dodona Gardner (FOSSIL)
dohrni, Pitar dohrni (Römer, 1867)
dolabella, Tivela dolabella Sowerby, 1851 - syn of: Tivela damaoides (Wood, 1828)
dolabella, Cytheraea dolabella Sowerby, 1851 - syn of: Tivela damaoides (Wood, 1828)
dolabra, Periglypta dolabra (Phillips, 1829) † (FOSSIL)
dolabra, Resatrix dolabra Casey, 1952 † (FOSSIL)
dolicha, Leukoma dolicha Woodring, 1982 † (FOSSIL)
dombeii, Venus dombeii Lamarck, 1818 - syn of: Leukoma thaca (Molina, 1782)
domenginica capayana, Microcallista domenginica capayana Vokes, 0 † - syn of: Costacallista conradiana (Gabb, 1864) † (FOSSIL)
dominicana, Periglypta dominicana Palmer, 1927 † - syn of: Periglypta caribbeana Anderson, 1927 † (FOSSIL)
donacina, Sunetta donacina (Gmelin, 1791)
donacina, Venus donacina Chemnitz, 1795 - syn of: Macridiscus donacinus (Von Mühlfeld, 1811)
donacina, Parvicirce donacina Cosel, 1995
donacina, Venus donacina Gmelin, 1791 - syn of: Sunetta donacina (Gmelin, 1791)
donacina nuda, Sunetta donacina nuda Fischer-Piette & Fischer, 1939 - syn of: Sunetta donacina (Gmelin, 1791)
donacinus, Macridiscus donacinus (Von Mühlfeld, 1811)
donacinus semicancellatus, Macridiscus donacinus semicancellatus (Koch, 1843)
donnae, Petricolaria donnae (Petuch, 1998)
dorsata, Venus dorsata Lamarck, 1818 - syn of: Tapes conspersus (Gmelin, 1791)
dorsatus, Tapes dorsatus Lamarck, 1818 - syn of: Tapes conspersus (Gmelin, 1791)
druidi, Mercenaria druidi Ward, 1992 † (FOSSIL)
dubia, Periglypta dubia Sowerby, 1851 - syn of: Tivela stultorum (Mawe, 1823)
dubusi, Marcia dubusi Cossmann & Pissarro † (FOSSIL)
ducalis, Tapes ducalis Römer, 1870 - syn of: Venerupis philippinarum (Adams & Reeve, 1850)
ducatelli, Mercenaria ducatelli Conrad, 1838 † (FOSSIL)
dujardini, Venus dujardini Hoernes, 1862 † (FOSSIL)
dumasi, Meretrix dumasi Cossmann, 1905 † (FOSSIL)
duminyi, Venus duminyi Réquien, 1848 - syn of: Clausinella fasciata (Da Costa, 1778)
dunkeri, Dosinia dunkeri (Philippi, 1844)
dunkeri, Anomalocardia dunkeri Kobelt, 1891 - syn of: Mosambicarca hians (Reeve, 1844)
dunkeri, Periglypta dunkeri Philippi, 1844 - syn of: Dosinia dunkeri (Philippi, 1844)
dunkeri, Tivela dunkeri Römer, 1864
duobrunnea, Tawera duobrunnea Marwick, 1948 † (FOSSIL)
dupiniana, Resatrix dupiniana (D'orbigny, 1845) † (FOSSIL)
duplicata, Dosinia duplicata Reeve, 1850 - syn of: Dosinia tumida (Gray, 1838)
duponti, Pitar duponti (Cossmann, 1908) † (FOSSIL)
dura, Venerupis dura Gmelin, 1791 - syn of: Polititapes durus (Gmelin, 1791)
dura, Venus dura Gmelin, 1791 - syn of: Polititapes durus (Gmelin, 1791)
durus, Polititapes durus (Gmelin, 1791)
durus, Venus durus Gmelin, 1791 - syn of: Polititapes durus (Gmelin, 1791)
duvergieri, Pitar duvergieri Cossmann & Peyrot, 1910 † (FOSSIL)
dvalii, Tivela dvalii Krishtofovich, 1947 † (FOSSIL)
dysera, Chione dysera (Linnaeus, 1758)
dysera, Venus dysera Gmelin, 1791 - syn of: Chione cancellata (Linnaeus, 1767)
dysera, Venus dysera Linnaeus, 1758 - syn of: Chione dysera (Linnaeus, 1758)
ebergenyii, Venus ebergenyii Bose, 1906 † (FOSSIL)
eburnea, Venus eburnea Reeve, 1863 - syn of: Dosina mactracea (Broderip, 1835)
eburnea, Dosinia eburnea Römer, 1860 - syn of: Dosinia juvenilis (Gmelin, 1791)
eburnea, Callista eburnea Tate, 1887 † (FOSSIL)
ecuadoriana, Leukoma ecuadoriana Olsson, 1961
edmonsoni, Periglypta edmonsoni Dall, Bartsch & Rehder, 1938 - syn of: Periglypta reticulata (Linnaeus, 1758)
eduardi, Dosinia eduardi Fischer-Piette & Delmas, 1967
edulis, Tapes edulis Römer, 1864 - syn of: Polititapes rhomboides (Pennant, 1777)
edwardsi, Circe edwardsi (Koenen, 1867) † (FOSSIL)
effeminata, Venus effeminata Stearns, 1890 - syn of: Chioneryx cardioides (Lamarck, 1818)
effosa, Globivenus effosa Philippi, 1836 - syn of: Globivenus effossa (Philippi, 1836)
effossa, Sunetta effossa (Hanley, 1843)
effossa, Globivenus effossa (Philippi, 1836)
effossa semisulcata, Sunetta effossa semisulcata Fischer-Piette & Fischer, 1939 - syn of: Sunetta effossa (Hanley, 1843)
ehrenbergi, Anomalocardia ehrenbergi Dunker, 1868 - syn of: Anadara ehrenbergi (Dunker, 1868)
elatus, Pitar elatus Sowerby, 1908
elderi, Microcalva elderi Saul & Popenoe, 1992 † (FOSSIL)
elegans, Lajonkairia elegans (Adams, 1870)
elegans, Dosinia elegans (Conrad, 1843)
elegans, Notopaphia elegans (Deshayes, 1854)
elegans, Marama elegans (Hutton, 1873) † (FOSSIL)
elegans, Mysia elegans Adams, 1870 - syn of: Lajonkairia elegans (Adams, 1870)
elegans, Callocardia elegans Conrad, 1843 - syn of: Dosinia elegans (Conrad, 1843)
elegans, Callista elegans Lamarck, 1806 † (FOSSIL)
elegans, Gafrarium elegans Philippi, 1844
elegans, Tivela elegans Verrill, 1870 - syn of: Tivela byronensis (Gray, 1838)
elegans, Venus elegans Wood, 1828 - syn of: Leukoma pectorina (Lamarck, 1818)
elegantina, Venus elegantina Lamarck, 1818 - syn of: Marcia japonica (Gmelin, 1791)
elegantula, Periglypta elegantula (Deshayes, 1857) † (FOSSIL)
elenensis, Pitar consanguineus elenensis Olsson
elethusa, Callocardia elethusa Woodring, 1928 † (FOSSIL)
elevata, Chione elevata Say, 1822
elimatula, Proxichione elimatula Darragh, 2010
elliptica, Periglypta elliptica (Hislop, 1859) † (FOSSIL)
elliptica, Tawera elliptica (Lamarck, 1818)
elliptica, Paphonotia elliptica (Sowerby, 1834)
elliptica, Venus elliptica Lamarck, 1818 - syn of: Tawera elliptica (Lamarck, 1818)
elongata, Pseudaphrodina elongata Casey (ex Forbes MS) † (FOSSIL)
elongata, Polititapes aureus elongata Dautzenberg
elongatotrigona, Callista elongatotrigona Newton, 1922 † (FOSSIL)
embrithes, Globivenus embrithes (Melvill & Standen, 1899)
emmonsi, Costacallista emmonsi Gardner, 1943 † (FOSSIL)
enigma, Katelysia enigma Iredale, 1936 - syn of: Katelysia victoriae (Tenison-Woods, 1878)
ensifera, Securella ensifera (Dall, 1909) † (FOSSIL)
ensifera chehalisensis, Securella ensifera chehalisensis Weaver, 1942 † - syn of: Protocallithaca adamsi (Reeve, 1863) (FOSSIL)
entobapta, Venus entobapta Jonas, 1845 - syn of: Chione undatella (Sowerby, 1835)
enysi, Atamarcia enysi (Hutton, 1873) † (FOSSIL)
eocaenica, Pelecyora eocaenica Stenzel & al., 1957 † (FOSSIL)
equivoca, Venus equivoca Dillwyn, 1817 - syn of: Gafrarium aequivocum (Holten, 1802)
equivocum, Gafrarium equivocum Holton, 1802 - syn of: Gafrarium aequivocum (Holten, 1802)
erasa, Chione erasa Cossmann & Peyrot, 1909 † (FOSSIL)
erecta, Mercenaria erecta Kellum, 1926 † (FOSSIL)
erosa, Venus erosa Lightfoot, 1786 - syn of: Geloina erosa (Lightfoot, 1786)
errans, Tawera errans Marwick, 1927 † (FOSSIL)
erronea, Venus erronea Fischer-Piette, 1975 - syn of: Venus subrosalina Tomlin, 1923
erubescens, Pitar erubescens (Dunker, 1853)
erubescens, Dione erubescens Reeve, 1863 - syn of: Aphrodora yerburyi (Smith, 1891)
erycina, Callista erycina (Linnaeus, 1758)
erycina lilacina, Callista erycina lilacina Lamarck, 1818
erycinella, Callista erycinella (Lamarck, 1818)
erycinoides, Periglypta erycinoides (Lamarck, 1806) † (FOSSIL)
erythraea, Dosinia erythraea Römer, 1860
esculpturata, Petricola esculpturata Preston, 1915 - syn of: Neotrapezium sublaevigatum (Lamarck, 1819)
etheridgei, Proxichione etheridgei (Pritchard, 1903) † (FOSSIL)
ethica, Veremolpa ethica Iredale, 1930 - syn of: Timoclea scabra (Hanley, 1845)
euclia, Dosinia euclia Cotton & Godfrey, 1938 - syn of: Dosinia victoriae Gatliff & Gabriel, 1914
eucymata, Callpita eucymata (Dall, 1890)
eucymata, Periglypta eucymata Dall, 1890 - syn of: Callpita eucymata (Dall, 1890)
eudeli, Pelecyora eudeli (Fischer-Piette & Delmas, 1967)
eufaulensis, Aphrodina eufaulensis (Conrad, 1860) † (FOSSIL)
eugibba, Katelysia eugibba Zhuang, 1964 - syn of: Marcia hiantina (Lamarck, 1818)
euglypta, Paphia euglypta (Philippi, 1847)
euglypta, Leukoma euglypta (Sowerby, 1914)
euglyptus, Pitar euglyptus Maury, 1925 † (FOSSIL)
eunice, Dosinia eunice Adams, 1856 - syn of: Dosinia pubescens (Philippi, 1847)
eupyga, Chione eupyga Ihering, 1907 † (FOSSIL)
eurylopas, Chionopsis eurylopas Woodring, 1982 † (FOSSIL)
eversa, Periglypta eversa (Conrad, 1848) † (FOSSIL)
ewekoroensis, Pitar ewekoroensis Adegoke, 1977 † (FOSSIL)
ewekoroensis, Tivelina ewekoroensis Adegoke, 1977 † (FOSSIL)
exalbida, Eurhomalea exalbida (Dillwyn, 1817)
exalbida, Venus exalbida Bruguière, 1797 - syn of: Eurhomalea exalbida (Dillwyn, 1817)
exalbida, Venus exalbida Dillwyn, 1817 - syn of: Eurhomalea exalbida (Dillwyn, 1817)
exarata, Petricola exarata (Carpenter, 1857)
exarata, Paphia philippiana exarata Philippi
exarata, Venus exarata Philippi, 1846 - syn of: Paphia philippiana exarata (Philippi, 1846)
exasperata, Dosinia exasperata (Philippi, 1847)
excavata, Venus excavata Carpenter, 1857 - syn of: Chione undatella (Sowerby, 1835)
excavata, Venus excavata Gmelin, 1791 - syn of: Dosinia juvenilis (Gmelin, 1791)
excavata, Cytherea excavata Hanley, 1843 - syn of: Sunetta menstrualis (Menke, 1843)
excentrica, Venus excentrica Agassiz, 1845 † (FOSSIL)
excisa, Pelecyora excisa (Röding, 1798)
excisa, Venus excisa Chemnitz, 1784 - syn of: Pelecyora excisa (Röding, 1798)
excisa, Pelecyora excisa Röding, 1798 - syn of: Pelecyora excisa (Röding, 1798)
excisa, Periglypta excisa Röding, 1798 - syn of: Pelecyora excisa (Röding, 1798)
excisa, Dosinia excisa Röding, 1798 - syn of: Pelecyora excisa (Röding, 1798)
excisa, Venus excisa Schröter, 1788 - syn of: Pelecyora excisa (Röding, 1798)
exilis, Meretrix exilis Römer, 1865 - syn of: Meretrix casta (Gmelin, 1791)
exilis, Paphia exilis Shuto, 1957 † (FOSSIL)
exilium, Pelecyora exilium (Sowerby, 1909)
eximia, Venus eximia Forbes, 1846
eximia, Venus eximia Philippi, 1847 - syn of: Puberella crenata (Gmelin, 1791)
exintermedia, Callista exintermedia Sacco, 1900 † (FOSSIL)
exoleta, Dosinia exoleta (Linnaeus, 1758)
exoleta castanea, Dosinia exoleta castanea Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Dosinia exoleta (Linnaeus, 1758)
exoleta interrupta, Dosinia exoleta interrupta Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Dosinia exoleta (Linnaeus, 1758)
exoleta major, Dosinia exoleta major Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Dosinia exoleta (Linnaeus, 1758)
exoleta parcipicta, Dosinia exoleta parcipicta Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Dosinia exoleta (Linnaeus, 1758)
exoleta ponderosa, Dosinia exoleta ponderosa Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Dosinia exoleta (Linnaeus, 1758)
exoleta radians, Dosinia exoleta radians Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Dosinia exoleta (Linnaeus, 1758)
exoleta zonata, Dosinia exoleta zonata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Dosinia exoleta (Linnaeus, 1758)
exotica, Venerupis exotica Hanley, 1854 - syn of: Irus carditoides Lamarck, 1818
exoticus, Irus exoticus (Lamarck, 1818)
expallescens, Venus expallescens Philippi, 1844 - syn of: Eurhomalea rufa (Lamarck, 1818)
exserta, Tapes exserta Römer, 1872 - syn of: Marcia recens (Holten, 1802)
exspinata, Hysteroconcha exspinata Reeve, 1863 - syn of: Hysteroconcha lupanaria (Lesson, 1831)
extensus, Tapes extensus Locard, 1886 - syn of: Venerupis decussata (Linnaeus, 1758)
extranea, Dosinia extranea (Iredale, 1937)
extrema, Pseudaphrodina extrema Kalishevich, 1981 † (FOSSIL)
faba, Tapes faba Reeve, 1864 - syn of: Eumarcia fumigata (Sowerby, 1853)
fabagella, Venerupis fabagella Deshayes, 1853 - syn of: Venerupis anomala (Lamarck, 1818)
fabagella, Petricola fabagella Lamarck, 1818
falconensis, Lirophora falconensis Hodson & al., 1927 † (FOSSIL)
fallaciosa, Venus fallaciosa Deshayes, 1857 † (FOSSIL)
fallax, Dosiniopsis fallax (Deshayes, 1857) † (FOSSIL)
fallax, Egrona fallax Saul, 1993 † (FOSSIL)
farsiana, Timoclea farsiana Biggs, 1973 - syn of: Timoclea arakana (Nevill & Nevill, 1871)
fasciata, Clausinella fasciata (Da Costa, 1778)
fasciata crispolamella, Clausinella fasciata crispolamella Cossmann & Peyrot, 1909 † (FOSSIL)
fasciata lilacina, Venus fasciata lilacina Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Clausinella fasciata (Da Costa, 1778)
fasciata raricostata, Venus fasciata raricostata Jeffreys, 1864 - syn of: Clausinella fasciata (Da Costa, 1778)
fasciata rudis, Venus fasciata rudis Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Clausinella fasciata (Da Costa, 1778)
fasciata scalaris, Clausinella fasciata scalaris (Bronn, 1830)
fasciata zigzag, Venus fasciata zigzag Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Clausinella fasciata (Da Costa, 1778)
fasciatus, Cuneus fasciatus Da Costa, 1778 - syn of: Polititapes rhomboides (Pennant, 1777)
fastidiosa, Nitidavenus fastidiosa (Deshayes, 1857) † (FOSSIL)
fastigiata, Lioconcha fastigiata (Sowerby, 1851)
fastigiata, Gouldia fastigiata Gould, 1862 - syn of: Crassinella lunulata (Conrad, 1834)
fastigiata pseudofastigiata, Lioconcha fastigiata pseudofastigiata Lamprell & Healy, 2002
faujasi, Petricola faujasi (Basterot, 1825) † (FOSSIL)
fausta, Turia fausta Marwick, 1960 † (FOSSIL)
felipponei, Callocardia felipponei Dall, 1916 - syn of: Pitar patagonicus (D'Orbigny, 1842)
fernandesiana, Paphonotia fernandesiana (Stempell, 1899)
ferroensis, Venus ferroensis Röding, 1798 - syn of: Arctica islandica (Linnaeus, 1767)
ferruginea, Katelysia ferruginea Reeve, 1864
ferruginea, Tapes ferruginea Reeve, 1864 - syn of: Marcia recens (Holten, 1802)
festiva, Callista festiva (Sowerby, 1851)
festoui, Hyphantosoma festoui (Harte, 1993)
fibula, Dosinia fibula (Reeve, 1850)
fimbriata, Venus fimbriata Linnaeus, 1758 - syn of: Fimbria fimbriata (Linnaeus, 1758)
fimbriata, Venerupis fimbriata Sowerby, 1854 - syn of: Paphonotia elliptica (Sowerby, 1834)
finlayi, Paphia finlayi Marwick, 1927 † (FOSSIL)
firmocosta, Dosina firmocosta (Marwick, 1927) † (FOSSIL)
fischeri, Clementia fischeri Abrard, 1942 † (FOSSIL)
fischeri, Periglypta fischeri Récluz, 1852 - syn of: Antigona chemnitzii (Hanley, 1845)
flagellata, Petricola flagellata Say, 1834 - syn of: Petricolaria pholadiformis (Lamarck, 1818)
flammea, Venus flammea Gmelin, 1791 - syn of: Pitarenus cordatus (Schwengel, 1951)
flammiculata, Venus flammiculata Lamarck, 1818 - syn of: Marcia hiantina (Lamarck, 1818)
flavida, Cyclina flavida Deshayes, 1853
flexuosa, Anomalocardia flexuosa (Linnaeus, 1767)
flindersi, Placamen flindersi Cotton & Godfrey, 1938
florentinoi, Eurhomalea florentinoi Zinsmeister, 1984 † (FOSSIL)
florida, Callista florida (Lamarck, 1818)
floridana, Pitar floridana (Dall, 1903) † (FOSSIL)
floridana, Dosinia floridana Conrad, 1866 - syn of: Dosinia concentrica (Born, 1778)
floridana, Anomalocardia floridana Conrad, 1869 - syn of: Anadara floridana (Conrad, 1869)
floridana, Gouldia floridana Olsson & Harbison, 1953 † (FOSSIL)
floridana, Tivela floridana Rehder, 1939 - syn of: Tivela trigonella (Lamarck, 1818)
floridella, Lepidocardia floridella (Gray, 1838)
floridella, Pitar floridella Gray, 1838 - syn of: Lepidocardia floridella (Gray, 1838)
floridella, Venus floridella Lamarck, 1818 - syn of: Polititapes aureus (Gmelin, 1791)
floridella africana, Lepidocardia floridella africana (Von Mühlfeld, 1843)
fluctifraga, Chionista fluctifraga (Sowerby, 1853)
fluctifraga, Venus fluctifraga Sowerby, 1853 - syn of: Chionista fluctifraga (Sowerby, 1853)
fluctifraga cortezi, Chionista fluctifraga cortezi (Carpenter, 1864)
fluctuatus, Pitar fluctuatus (Sowerby, 1851)
fluctuosa, Liocyma fluctuosa (Gould, 1841)
fluctuosa brunnea, Liocyma fluctuosa brunnea Dall, 1902 - syn of: Liocyma fluctuosa (Gould, 1841)
fluctuosa praefluctuosa, Liocyma fluctuosa praefluctuosa Krishtofovich, 1968 † - syn of: Liocyma fluctuosa (Gould, 1841) (FOSSIL)
fluctuosa semilaevis, Liocyma fluctuosa semilaevis Scarlato, 0 † - syn of: Liocyma fluctuosa (Gould, 1841) (FOSSIL)
fluctuosa subfluctuosa, Liocyma fluctuosa subfluctuosa Khomenko, 1931 - syn of: Liocyma fluctuosa (Gould, 1841)
fluminea, Venus fluminea Röding, 1798 - syn of: Galatea paradoxa (Born, 1780)
foliacea, Venerupis foliacea Deshayes, 1853 - syn of: Paphonotia elliptica (Sowerby, 1834)
foliacea, Venus foliacea Philippi, 1846 - syn of: Placamen foliaceum (Philippi, 1846)
foliacea, Clausinella foliacea Philippi, 1846 - syn of: Placamen foliaceum (Philippi, 1846)
foliacea, Chione foliacea Philippi, 1846 - syn of: Placamen foliaceum (Philippi, 1846)
foliacea, Bassina foliacea Philippi, 1846 - syn of: Placamen foliaceum (Philippi, 1846)
foliaceolamellosus, Circomphalus foliaceolamellosus (Dillwyn, 1817)
foliaceolamellosus rotundior, Circomphalus foliaceolamellosus rotundior (Kautsky) † (FOSSIL)
foliaceum, Placamen foliaceum (Philippi, 1846)
fordii, Globivenus fordii (Yates, 1890)
fordii, Venus fordii Yates, 1890 - syn of: Globivenus fordii (Yates, 1890)
foresti, Globivenus foresti (Fischer-Piette & Testud, 1967)
foresti, Ventricolaria foresti Fischer-Piette & Testud, 1967 - syn of: Globivenus foresti (Fischer-Piette & Testud, 1967)
foresti, Gouldia foresti Fischer-Piette & Testud, 1967 - syn of: Gouldia cerina (Adams, 1845)
foresti, Tivela foresti Fischer-Piette & Testud, 1967 - syn of: Tivela fulminata (Bory De Saint-Vincent, 1827)
formosa, Cytherea formosa Sowerby, 1851 - syn of: Meretrix lusoria (Röding, 1798)
fornicata, Petricola fornicata Say, 1822 - syn of: Petricolaria pholadiformis (Lamarck, 1818)
foveolata, Jukesena foveolata (Cooper & Preston, 1910)
foveolata, Venus foveolata Sowerby, 1853
foveolata rotundata, Venus foveolata rotundata Locard, 1898 - syn of: Venus chevreuxi Dautzenberg, 1891
fragilis, Callistalox fragilis (Gabb, 1869) † (FOSSIL)
fragilis, Psathura fragilis (Lamarck, 1805) † (FOSSIL)
fragilis, Venus fragilis Fabricius, 1780 - syn of: Macoma balthica (Linnaeus, 1758)
fragilis, Meretrix fragilis Gabb, 1869 † - syn of: Callistalox fragilis (Gabb, 1869) † (FOSSIL)
fragilis, Venus fragilis Nyst & Westendorp, 1839 - syn of: Diplodonta brocchii (Deshayes, 1850)
fragilis, Cyclina fragilis Römer, 1861 - syn of: Cyclinella tenuis (Récluz, 1852)
francisensis, Gouldiopa francisensis Cotton & Godfrey, 1938 - syn of: Gouldiopa australis (Angas, 1865)
fretensis, Venus fretensis Rehder, 1939 - syn of: Gemma gemma (Totten, 1834)
frizzelli, Callpita frizzelli (Hertlein & Strong, 1948)
frizzelli, Pitar frizzelli Hertlein & Strong, 1948 - syn of: Callpita frizzelli (Hertlein & Strong, 1948)
fructifraga, Chione fructifraga (Sowerby, 1853)
fuenzalidai, Eurhomalea fuenzalidai (Philippi, 1887) † (FOSSIL)
fulgida, Gomphina fulgida Hedley, 1918 - syn of: Gomphina undulosa (Lamarck, 1818)
fulgurans, Mercenaria fulgurans Tryon, 1865 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
fulgurata, Circe fulgurata Reeve, 1863 - syn of: Circe scripta (Linnaeus, 1758)
fulminata, Tivela fulminata (Bory De Saint-Vincent, 1827)
fulminata, Venus fulminata Bory De Saint-Vincent, 1827 - syn of: Tivela fulminata (Bory De Saint-Vincent, 1827)
fulminatus, Pitar fulminatus (Menke, 1828)
fulminea, Venus fulminea Röding, 1798 - syn of: Lioconcha castrensis (Linnaeus, 1758)
fulva, Dosinia fulva Risso, 1826 - syn of: Dosinia exoleta (Linnaeus, 1758)
fumata, Circe fumata Reeve, 1863 - syn of: Circenita callipyga (Born, 1778)
fumigata, Eumarcia fumigata (Sowerby, 1853)
fumigata, Venus fumigata Sowerby, 1853 - syn of: Eumarcia fumigata (Sowerby, 1853)
funiakensis, Panchione funiakensis (Gardner, 1947) † (FOSSIL)
funiculata, Dosinia funiculata Römer, 1862
furlongi, Macrocallista furlongi (Nelson, 1925) † (FOSSIL)
furtiva, Liocyma furtiva (Yokoyama, 1924) † (FOSSIL)
fusca, Venus fusca Gmelin, 1791 - syn of: Venerupis decussata (Linnaeus, 1758)
fusca, Periglypta fusca Koch, 1845 - syn of: Meretrix lamarckii Deshayes, 1853
fuscolineata, Leukoma grata fuscolineata Sowerby
fuscolineata, Venus fuscolineata Sowerby, 1835 - syn of: Leukoma grata fuscolineata (Sowerby, 1835)
fusidens, Tawera fusidens Beu, 1970 † (FOSSIL)
gabonensis, Dosinia gabonensis Cosel, 1989
gabonensis, Aphrodina gabonensis Dartevelle & Freneix, 1957 † (FOSSIL)
gabrielensis, Costacallista gabrielensis Clark & Durham, 1946 † (FOSSIL)
gaillardi, Dosinia gaillardi Fischer-Piette & Delmas, 1967
galactites, Venerupis galactites (Lamarck, 1818)
galapagana, Transennella galapagana Hertlein & Strong, 1939
galera, Cyclinella galera Pilsbry & Olsson, 1941 - syn of: Cyclinella subquadrata (Hanley, 1844)
gallina, Chamelea gallina (Linnaeus, 1758) † (FOSSIL)
gallina, Chamelea gallina (Linneus, 1758)
gallina, Chamelea gallina Brown, 1827 - syn of: Chamelea gallina (Linneus, 1758)
gallina alba, Venus gallina alba Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Chamelea gallina (Linneus, 1758)
gallina articulata, Venus gallina articulata Pallary, 1900 - syn of: Chamelea gallina (Linneus, 1758)
gallina flava, Venus gallina flava Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Chamelea gallina (Linneus, 1758)
gallina gibba, Venus gallina gibba Jeffreys, 1864 - syn of: Chamelea striatula (Da Costa, 1778)
gallina major, Venus gallina major Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Chamelea gallina (Linneus, 1758)
gallina minima, Venus gallina minima Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Chamelea gallina (Linneus, 1758)
gallina striatula, Chamelea gallina striatula Da Costa, 1778 - syn of: Chamelea striatula (Da Costa, 1778)
gallina triangularis, Venus gallina triangularis Jeffreys, 1864 - syn of: Chamelea striatula (Da Costa, 1778)
gallinula, Tawera gallinula (Lamarck, 1818)
gallinula, Venus gallinula Lamarck, 1818 - syn of: Tawera gallinula (Lamarck, 1818)
gallus, Protapes gallus (Gmelin, 1791)
gallus, Venus gallus Gmelin, 1791 - syn of: Protapes gallus (Gmelin, 1791)
gallus bombayana, Paphia gallus bombayana Oliver & Glover, 1996 - syn of: Protapes monstrosus (Römer, 1870)
gallus lentiginosa, Protapes gallus lentiginosa (Reeve, 1864)
gardnerae, Mercenaria gardnerae Kellum, 1926 † (FOSSIL)
gatunensis, Agriopoma gatunensis Dall, 1903 † (FOSSIL)
gatunensis multifilosa, Agriopoma gatunensis multifilosa (Dall, 1895)
gayi, Venus gayi Hupé, 1854 - syn of: Tawera elliptica (Lamarck, 1818)
gayi, Tawera gayi Hupé, 1854 - syn of: Tawera elliptica (Lamarck, 1818)
gayi, Clausinella gayi Hupé, 1854 - syn of: Tawera elliptica (Lamarck, 1818)
gayi, Clausinella gayi Húpe, 1854
gedrosiana, Dosinia pseudoargus gedrosiana Vredenburg
geijskesi, Tivela geijskesi Van Regteren Altena, 1968
gemma, Gemma gemma (Totten, 1834)
genei, Callistotapes vetulus genei Michelotti (FOSSIL)
genei, Dosinia genei Tapparone-Canefri, 1874 - syn of: Dosinia concentrica (Born, 1778)
geographica, Venerupis geographica (Gmelin, 1791)
geographicus, Tapes geographicus (Chemnitz, 1784)
geographicus, Tapes geographicus (Linnaeus, 1758) † (FOSSIL)
gerrardi, Transennella gerrardi Abbott, 1958
geslini, Venus geslini Deshayes, 1857 † (FOSSIL)
gibba, Dosinia gibba Adams, 1869 - syn of: Pelecyora nana (Reeve, 1850)
gibba, Petricola gibba Middendorff, 1849 - syn of: Petricola carditoides (Conrad, 1837)
gibberula, Sunetta gibberula (Tate, 1887) † (FOSSIL)
gibbium, Gafrarium gibbium Lamarck, 0 - syn of: Gafrarium pectinatum tumidum Röding, 1798
gibbosa, Chione gibbosa Hutton, 1873 - syn of: Tawera spissa (Deshayes, 1835)
gibbosula, Chione gibbosula Deshayes, 1853 - syn of: Chionista fluctifraga (Sowerby, 1853)
gibbosus, Saxidomus gibbosus Gabb, 1869 - syn of: Compsomyax subdiaphana (Carpenter, 1864)
gibbula, Venus gibbula Gmelin, 1791 - syn of: Scrobicularia plana (Da Costa, 1778)
gigantea, Saxidomus gigantea (Deshayes, 1839)
gigantea, Venerupis gigantea Deshayes, 1839 - syn of: Saxidomus gigantea (Deshayes, 1839)
gigantea, Venus gigantea Gmelin, 1791 - syn of: Macrocallista nimbosa (Solander, 1786)
gigantea, Periglypta gigantea Philippi, 1844 - syn of: Dosinia ponderosa Gray, 1838
gigantica, Cyprimeria gigantica Solander, 1766 † - syn of: Gigantostrea gigantica (Solander, 1766) † (FOSSIL)
gigas, Pelecyora gigas (Lamarck, 1818) † (FOSSIL)
gilvum, Placamen gilvum (Philippi, 1849)
giraudi, Venus giraudi Gay, 1858 - syn of: Venus casina Linnaeus, 1758
gladstonensis, Antigona gladstonensis (Angas, 1872)
glandina, Venerupis glandina (Lamarck, 1818)
glandina, Venus glandina Lamarck, 1818 - syn of: Venerupis glandina (Lamarck, 1818)
glandina, Tapes glandina Römer, 1871 - syn of: Venerupis glandina (Lamarck, 1818)
glandula, Callista glandula Gould, 1861 - syn of: Marcia hiantina (Lamarck, 1818)
glauca, Dosinia glauca (Reeve, 1850)
globa, Dosinia globa Melvill, 1897 - syn of: Pelecyora ceylonica (Dunker, 1865)
globosa, Venus globosa Brocchi, 1814 - syn of: Diplodonta brocchii (Deshayes, 1850)
globosa, Venus globosa Forsskål, 1775 - syn of: Transkeia globosa (Forsskål, 1775)
globulosa, Nitidavenus globulosa (Deshayes, 1825) † (FOSSIL)
glyptocyma, Chione glyptocyma Dall, 1903 † (FOSSIL)
gnidea, Chione gnidea Broderip & Sowerby, 1829 - syn of: Chionopsis gnidia (Broderip & Sowerby, 1829)
gnidia, Chionopsis gnidia (Broderip & Sowerby, 1829)
gnidia, Venus gnidia Broderip & Sowerby, 1829 - syn of: Chionopsis gnidia (Broderip & Sowerby, 1829)
goodallioides, Circenita goodallioides (Cossmann, 1886) † (FOSSIL)
goodalloides, Parvicirce goodalloides (Cossmann, 1886) † (FOSSIL)
gordoni, Lioconcha gordoni (Smith, 1885)
gordonis, Meretrix gordonis Yokoyama, 1927 - syn of: Gouldiopa dilecta (Gould, 1861)
gotthardi, Callista gotthardi Dunker, 1865
goudi, Gomphina goudi Thach, 2016
gracilenta, Periglypta gracilenta Locard, 1892 - syn of: Pitar rudis (Poli, 1795)
gracilentum, Pitar rudis gracilentum Locard
gracilior, Periglypta gracilior Sowerby, 1851 - syn of: Tivela byronensis (Gray, 1838)
gracilis, Petricolaria gracilis (Deshayes, 1853)
gracilis, Austrocardilanx gracilis Gardner, 2005 † (FOSSIL)
gracilis, Tapes gracilis Gould, 1855 - syn of: Saxidomus nuttalli Conrad, 1837
gracilis parallela, Petricola gracilis parallela Pilsbry & Lowe, 1932 - syn of: Petricolaria cognata (Adams, 1852)
gracillima, Clementia gracillima Carpenter, 1857
grandis, Dosinia grandis Nelson, 1870 - syn of: Dosinia ponderosa Gray, 1838
grandis, Dosinia grandis Nelson, 1870 - syn of: Dosinia ponderosa Gray, 1838
grandis, Clementia papyracea grandis Vredenburg
grangeri, Tapes grangeri Locard, 1886 - syn of: Polititapes aureus (Gmelin, 1791)
granosa, Antigona granosa Sowerby, 1840 † (FOSSIL)
granulata, Leukoma granulata (Gmelin, 1791)
granulata, Venus granulata Gmelin, 1791 - syn of: Leukoma granulata (Gmelin, 1791)
granulifera, Kyrina granulifera (Sowerby, 1852)
graphica, Cytherea graphica Lamarck, 1818 - syn of: Meretrix lusoria (Röding, 1798)
grata, Callista grata (Deshayes, 1853)
grata, Leukoma grata (Say, 1831)
grata, Tapes grata Deshayes, 1853 - syn of: Tapes belcheri Sowerby, 1852
grata, Dosinia grata Deshayes, 1853
grata, Meretrix grata Deshayes, 1853 - syn of: Callista grata (Deshayes, 1853)
grata, Venus grata Say, 1831 - syn of: Leukoma grata (Say, 1831)
grata fuscolineata, Leukoma grata fuscolineata (Sowerby, 1835)
gratoides, Dosinia gratoides Fischer-Piette & Delmas, 1967 - syn of: Dosinia grata Deshayes, 1853
gravescens, Placamen gravescens (Menke, 1843)
gravida, Venus gravida Röding, 1798 - syn of: Marcia opima (Gmelin, 1791)
grayi, Egesta grayi (Dall, 1900) † (FOSSIL)
grayi, Clementia grayi Dall, 1900 † - syn of: Egesta grayi (Dall, 1900) † (FOSSIL)
grayi, Hysteroconcha grayi Deshayes, 1853 - syn of: Callista kingii (Gray, 1827)
greeffei, Tapes greeffei Dunker, 1877 - syn of: Paphia vernicosa (Gould, 1861)
greeni, Macrocallista greeni Ward & Blackwelder, 1987 † (FOSSIL)
gregaria, Venus gregaria M'Coy, 1847 † - syn of: Pleurikodonta gemma (Dana, 1847) † (FOSSIL)
gretschischkini, Pitar gretschischkini Slodkewitsch, 1935 † - syn of: Neogenella gretschischkini Slodkewitsch, 1935 † (FOSSIL)
grewingkii, Protothaca grewingkii Dall, 1904 - syn of: Leukoma staminea (Conrad, 1837)
greyi, Dosinia greyi Zittel, 1865
grinnelli, Claudiconcha grinnelli Olsson, 1914 † (FOSSIL)
grisea, Notopaphia grisea (Lamarck, 1818)
grisea, Venus grisea Lamarck, 1818 - syn of: Notopaphia grisea (Lamarck, 1818)
gruneri, Macrocallista gruneri (Oppenheim, 1915) † (FOSSIL)
gruneri, Dosinia gruneri (Philippi, 1847)
grus, Chioneryx grus (Holmes, 1858)
grus, Timoclea grus Holmes, 1858 - syn of: Chioneryx grus (Holmes, 1858)
grzybowski, Lirophora grzybowski Olsson, 1932 † (FOSSIL)
guatulcoensis, Chione guatulcoensis Hertlein & Strong, 1948
guineensis, Venus guineensis Gmelin, 1791 - syn of: Lamelliconcha circinata (Born, 1778)
gunteri, Blagraveia gunteri Richards, 1953 † (FOSSIL)
guppyana, Lamelliconcha guppyana (Gabb, 1881) † (FOSSIL)
guppyana, Pitar guppyana Gabb, 1881 † - syn of: Lamelliconcha guppyana (Gabb, 1881) † (FOSSIL)
guppyana, Chione guppyana Maury, 1912 † (FOSSIL)
guttata, Callocardia guttata Adams, 1864
guttata thorae, Callocardia guttata thorae Vokes, 1985
guttulata, Paphia guttulata Röding, 1798 - syn of: Tapes conspersus (Gmelin, 1791)
guttulatus, Tapes literatus guttulatus Röding
habei, Gomphina habei (Huber, 2010)
habei, Timoclea habei Fischer-Piette & Vukadinovic, 1977
habei, Petricola habei Huber, 2010
hagenowi, Callista hagenowi (Dunker, 1849)
haidingeri, Chione haidingeri (Hoernes, 1862) † (FOSSIL)
halli, Chione halli Pritchard, 1895 † (FOSSIL)
hanetianus, Eurhomalea hanetianus (D'Orbigny, 1842) † (FOSSIL)
hanleyana, Dosinia hanleyana Adams & Adams, 1857 - syn of: Dosinia angulosa (Philippi, 1847)
hanleyi, Venerupis hanleyi Lamy, 1922 - syn of: Irus carditoides Lamarck, 1818
hanleyi, Tapes hanleyi Sowerby, 1852 - syn of: Transennella angulifera (Sowerby, 1851)
hanzawai, Gafrarium hanzawai Nomura & Jinbo, 1936 - syn of: Dorisca amica (Smith, 1885)
harrisi, Cyclinella harrisi Palmer, 1927
harrisiana, Globivenus harrisiana (Olsson, 1922) † (FOSSIL)
harrisii, Petricola harrisii Dall, 1898 † (FOSSIL)
hartae, Mercenaria hartae Petuch, 2013
harteae, Gafrarium harteae Huber, 2010
harteae, Lioconcha harteae Huber, 2010
hartei, Gafrarium hartei Huber, 2010 - syn of: Gafrarium harteae Huber, 2010
hartei, Lioconcha hartei Huber, 2010 - syn of: Lioconcha harteae Huber, 2010
hartvigii, Tivela hartvigii Dunker, 1879 - syn of: Tivela compressa (Sowerby, 1851)
hatchetigbeensis, Pelecyora hatchetigbeensis (Aldrich, 1886) † (FOSSIL)
hawaiensis, Venus hawaiensis Dall, Bartsch & Rehder, 1938 - syn of: Globivenus toreuma (Gould, 1850)
hayasakai, Bassina hayasakai Kotaka, 1977 - syn of: Placamen lamellatum (Röding, 1798)
hayashii, Dosinia hayashii (Habe, 1976)
healyi, Hyphantosoma healyi (Lamprell & Stanisic, 1996)
healyi, Atamarcia healyi (Marwick, 1948) † (FOSSIL)
heberti, Meretrix heberti (Deshayes) † (FOSSIL)
heberti?, Meretrix heberti? (Deshayes)
hebraeus, Pitar hebraeus (Lamarck, 1818)
hectori, Costacallista hectori Finlay & Marwick, 1937 † (FOSSIL)
heilprini, Meretrix nuttalliopsis heilprini Palmer (FOSSIL)
helenae, Globivenus helenae (Fischer-Piette, 1975)
helenae, Venus helenae Fischer-Piette, 1975 - syn of: Globivenus helenae (Fischer-Piette, 1975)
helenae, Pitar helenae Olsson, 1961
hemprichi, Petricola hemprichi Issel, 1869 - syn of: Petricola fabagella Lamarck, 1818
hendersonii, Lirophora hendersonii Dall, 1903 † (FOSSIL)
hendriana, Anomalocardia hendriana Mansfield, 1939 † (FOSSIL)
heothina, Anomalocardia heothina Woodring, 1982 † (FOSSIL)
hepatica, Dosinia hepatica (Lamarck, 1818)
hepatica subquadrata, Dosinia hepatica subquadrata Krauss, 1848
herbariorum, Dosinia herbariorum Fischer-Piette & Delmas, 1967
hermaphrodita, Venus hermaphrodita Gmelin, 1791 - syn of: Galatea paradoxa (Born, 1780)
hermonvillensis, Venerupis hermonvillensis Deshayes, 1857 † (FOSSIL)
hertleini, Pitar hertleini Olsson, 1961 - syn of: Hyphantosoma pollicaris (Carpenter, 1864)
hertzana, Petricola hertzana Coan, 1997
hesperia, Hysteroconcha hesperia Berry, 1960 - syn of: Lamelliconcha alternata (Broderip, 1835)
hesperia, Pitar hesperia Berry, 1960 - syn of: Lamelliconcha alternata (Broderip, 1835)
hewardbelli, Pelecyora hewardbelli Newton, 1922 † (FOSSIL)
hians, Tivela hians Philippi, 1851
hians, Sunetta hians Reeve, 1864 - syn of: Sunetta solanderii (Gray, 1825)
hians, Venus hians Wood, 1828 - syn of: Sunetta solanderii (Gray, 1825)
hiantina, Marcia hiantina (Lamarck, 1818)
hieroglyphica, Lioconcha hieroglyphica (Conrad, 1837)
higuchii, Tapes higuchii Kanno † (FOSSIL)
hikoshimensis, Meretrix hikoshimensis Okamoto & Sakai, 1995 † (FOSSIL)
hillii, Lamelliconcha hillii (Dall, 1895) † (FOSSIL)
hindsii, Tivela byronensis hindsii Hanley
hiraseanus, Circomphalus hiraseanus (Kuroda, 1930)
hirasei, Venus hirasei Pilsbry, 1901 - syn of: Leukoma jedoensis (Lischke, 1874)
histrio, Dosinia histrio Gmelin, 1791
histrio iwakawai, Dosinia histrio iwakawai Oyama & Habe, 1971 - syn of: Dosinia iwakawai Oyama & Habe, 1971
histrionica, Leukoma histrionica (Sowerby, 1835)
histrionica, Venus histrionica Broderip & Sowerby, 1835 - syn of: Leukoma asperrima (Sowerby, 1835)
hoeberti, Tapes hoeberti Brusina, 1865 - syn of: Polititapes aureus (Gmelin, 1791)
hoerleae, Petricoxenica hoerleae Vokes, 1976 † (FOSSIL)
hoffstetteri, Pitar hoffstetteri Fischer-Piette, 1969
hokkaidoensis, Liocyma hokkaidoensis Habe, 1951 - syn of: Liocyma fluctuosa (Gould, 1841)
holocyma, Lirophora holocyma Brown & Pilsbry, 1911 † (FOSSIL)
holosericea, Venus holosericea Gmelin, 1791 - syn of: Pitar fulminatus (Menke, 1828)
hongkongensis, Laevicirce hongkongensis (Jiang & Xu, 1992)
hormophora, Proxichione hormophora (Tate, 1885) † (FOSSIL)
hornbyensis, Flaventia hornbyensis Anderson, 1958 † - syn of: Paraesa lens (Gabb, 1864) † (FOSSIL)
horrida, Dosinia horrida Marwick, 1927 - syn of: Dosinia anus (Philippi, 1848)
hotelensis, Lirophora hotelensis Olsson, 1922 † (FOSSIL)
humerosa, Periglypta humerosa (Deshayes, 1857) † (FOSSIL)
humilis, Nutricola humilis (Carpenter, 1857)
humphreyi, Venus humphreyi Donovan, 1824 - syn of: Tawera gallinula (Lamarck, 1818)
hungerfordi, Aphrodora hungerfordi G.B. Sowerby III, 1888 - syn of: Callocardia guttata Adams, 1864
hunteri, Periglypta hunteri (Hislop, 1859) † (FOSSIL)
hurupiensis, Marama hurupiensis Marwick, 1927 † (FOSSIL)
hyalina, Venus hyalina Philippi, 1849 - syn of: Clementia papyracea (Gmelin, 1791)
hydana, Cytheriopsis hydana Conrad, 1865 † (FOSSIL)
hyeroglyphica, Lioconcha hyeroglyphica Conrad, 1837 - syn of: Lioconcha hieroglyphica (Conrad, 1837)
hypopta, Timoclea hypopta (Sturany, 1899)
hythensis, Resatrix hythensis Casey, 1952 † (FOSSIL)
ida, Katherinella ida Tegland, 1928 - syn of: Agriopoma morrhuanum (Dall, 1902)
ignobilis, Venus ignobilis Anton, 1847 - syn of: Marcia hiantina (Lamarck, 1818)
iheringi, Austrocallista iheringi (Cossmann, 1898) † (FOSSIL)
iheringi, Meretrix iheringi Dall, 1891 - syn of: Tivela dentaria (Lamarck, 1818)
iheringi, Gomphina iheringi Zinsmeister, 1984 † (FOSSIL)
iizukai, Meretrix iizukai Yokoyama, 1925 - syn of: Compsomyax subdiaphana (Carpenter, 1864)
iljinensis, Gomphinella iljinensis Sinelnikova, 1990 † (FOSSIL)
imbricata, Timoclea imbricata (Sowerby, 1853)
imitabilis, Pitar imitabilis (Conrad, 1848) † (FOSSIL)
immaculata, Dosinia immaculata Tenison-Woods, 1876 - syn of: Dosinia caerulea Reeve, 1850
impar, Callista impar (Lamarck, 1818)
impar, Periglypta impar Lamarck, 1818 - syn of: Callista impar (Lamarck, 1818)
imparistriata, Dosinia imparistriata Tate, 1887 † (FOSSIL)
imperiosa, Raina imperiosa Marwick, 1929 † (FOSSIL)
impressa, Venus impressa Anton, 1837 - syn of: Cryptonemella producta (Kuroda & Habe, 1951)
impudica, Periglypta impudica Lamarck, 1818 - syn of: Meretrix casta (Gmelin, 1791)
inaequivalvis, Venus inaequivalvis D'Orbigny, 1853 - syn of: Chioneryx pygmaea (Lamarck, 1818)
inca, Macrocallista inca Olsson, 1928 † (FOSSIL)
inca, Artena inca Olsson, 1939 † (FOSSIL)
incerta, Marcia incerta (Dufour, 1881) † (FOSSIL)
incisa, Dosinia incisa (Reeve, 1850)
incompta, Venus incompta Philippi, 1836 - syn of: Mysia undata (Pennant, 1777)
inconspicua, Periglypta inconspicua Broderip & Sowerby, 1835 - syn of: Pitar inconspicuus (Broderip & Sowerby, 1835)
inconspicuus, Pitar inconspicuus (Broderip & Sowerby, 1835)
inconstans, Costellipitar inconstans (Hedley, 1923)
inconstans, Pitar inconstans Hedley, 1923 - syn of: Costellipitar inconstans (Hedley, 1923)
incrassata, Amiantis incrassata (Sowerby, 1817) † (FOSSIL)
incrassata, Venus incrassata Brocchi, 1814 - syn of: Astarte fusca (Poli, 1791)
incrassata trap, Amiantis incrassata trap Sacco, 0 † - syn of: Amiantis incrassata (Sowerby, 1817) † (FOSSIL)
indecoroides, Costellipitar indecoroides (Yokoyama, 1928)
indecorus, Pitar indecorus (Philippi, 1848)
indica, Meretrix indica Cox, 1930 † (FOSSIL)
indica, Dosinia indica Fischer-Piette & Métivier, 1971
indica, Tapes indica Sowerby, 1852 - syn of: Venerupis philippinarum (Adams & Reeve, 1850)
indutum, Granicorium indutum Hedley, 1906
inezana, Tivela inezana Conrad, 1849 † (FOSSIL)
infans, Timoclea infans (Smith, 1885)
inflata, Paphia inflata (Deshayes, 1853)
inflata, Chione inflata (King & Broderip, 1832)
inflata, Mercenaria plena inflata Dall
inflata, Dosinia inflata Locard, 1886 - syn of: Dosinia lupina (Linnaeus, 1758)
inflata, Tapes inflata Römer, 1870 - syn of: Protapes ziczac (Linnaeus, 1758)
inflata, Pseudopisidum inflata Tashiro & Kozai, 1989 † (FOSSIL)
inflata, Eurhomalea inflata Zinsmeister, 1984 † (FOSSIL)
inflatus, Pitar inflatus (Sowerby, 1851)
inflatus, Periglypta inflatus Sowerby, 1851 - syn of: Pitar inflatus (Sowerby, 1851)
innominata, Venus innominata Danilo & Sandri, 1856 - syn of: Polititapes rhomboides (Pennant, 1777)
inoceriformis, Clementia inoceriformis (Wagner, 1839) † (FOSSIL)
inopinata, Venus inopinata Deshayes, 1857 † (FOSSIL)
inquinata, Venus inquinata Lamarck, 1818 - syn of: Gouldia minima (Montagu, 1803)
insignis, Petricola insignis (Deshayes, 1854)
insignis, Venerupis insignis Deshayes, 1854 - syn of: Petricola insignis (Deshayes, 1854)
insolida, Venerella secunda insolida Keen (FOSSIL)
insula, Venus insula Hupé, 1854 † (FOSSIL)
insulare, Gafrarium insulare Dall & Simpson, 1901 † (FOSSIL)
insularis, Gouldia insularis (Dall & Simpson, 1901)
insularum, Pelecyora insularum (Fischer-Piette & Delmas, 1967)
intapurpurea, Puberella intapurpurea (Conrad, 1849)
intercalaris, Meretrix intercalaris Cossmann & Peyrot, 1910 † (FOSSIL)
interjecta, Venerupis interjecta Deshayes, 1853 - syn of: Irus exoticus (Lamarck, 1818)
intermedia, Circe intermedia Reeve, 1863
intermedia, Periglypta intermedia Sowerby, 1851 - syn of: Tivela stultorum (Mawe, 1823)
interrupta, Venus interrupta Koch, 1849 - syn of: Marcia recens (Holten, 1802)
interrupta, Cytherea interrupta Lamarck, 1818 - syn of: Codakia interrupta (Lamarck, 1818)
intersculpta, Venus intersculpta Sowerby, 1904 - syn of: Venus verrucosa Linnaeus, 1758
intersecta, Venus intersecta Sowerby, 1853 - syn of: Leukoma pectorina (Lamarck, 1818)
interstriatus, Irus interstriatus (Sowerby, 1854)
intricata, Meretrix intricata Dautzenberg, 1907 - syn of: Hyphantosoma intricatum (Dautzenberg, 1907)
intricata, Pitar intricata Dautzenberg, 1907 - syn of: Hyphantosoma intricatum (Dautzenberg, 1907)
intricatum, Hyphantosoma intricatum (Dautzenberg, 1907)
intricatus, Pitar intricatus Dautzenberg, 1907 - syn of: Hyphantosoma intricatum (Dautzenberg, 1907)
intumescens, Cyclina intumescens Römer, 1861 - syn of: Cyclina sinensis (Gmelin, 1791)
intuspunctata, Venus intuspunctata Anton, 1838 - syn of: Polititapes aureus (Gmelin, 1791)
inversa, Petricola inversa Macsotay & Campos, 2001
iraniense, Legumen iraniense Collignon, 1981 † (FOSSIL)
iridescens, Venerupis iridescens Tate, 1889 - syn of: Irus interstriatus (Sowerby, 1854)
irradiata, Mysia irradiata Cossmann, 1887 † (FOSSIL)
irregularis, Grateloupia irregularis (Basterot, 1825) † (FOSSIL)
irregularis, Venus irregularis Reeve, 1864 - syn of: Venus declivis Sowerby, 1853
irus, Irus irus (Linnaeus, 1758)
irus, Venerupis irus Yokoyama, 1920 - syn of: Irus ishibashianus Kuroda & Habe, 1952
irus barrensis, Venerupis irus barrensis De Gregorio, 1889 - syn of: Irus irus (Linnaeus, 1758)
irus bicolor, Venerupis irus bicolor Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Irus irus (Linnaeus, 1758)
irus crebrilamellata, Venerupis irus crebrilamellata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Irus irus (Linnaeus, 1758)
irus flava, Venerupis irus flava Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Irus irus (Linnaeus, 1758)
irus geographica, Venerupis irus geographica Monterosato, 1917 - syn of: Irus irus (Linnaeus, 1758)
irus rosea, Venerupis irus rosea Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Irus irus (Linnaeus, 1758)
irus tricolor, Venerupis irus tricolor Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Irus irus (Linnaeus, 1758)
irusianus, Venerupis irusianus Locard, 1892 - syn of: Irus irus (Linnaeus, 1758)
irvajamensis, Pitar irvajamensis Devjatilova, 1981 † (FOSSIL)
isabella, Gouldia isabella Hutton, 1873 - syn of: Talabrica bellula (Adams, 1854)
isabelleana, Tivela dentaria isabelleana D'Orbigny
isabelleana, Venus isabelleana D'Orbigny, 1846 - syn of: Tivela dentaria isabelleana (D'Orbigny, 1846)
isabellina, Placamen isabellina (Philippi, 1849)
isabillnia, Venus isabillnia Philippi, 1849 - syn of: Placamen isabellina (Philippi, 1849)
ishibashianus, Irus ishibashianus Kuroda & Habe, 1952
islandica, Venus islandica Fabricius, 1780 - syn of: Serripes groenlandicus (Mohr, 1786)
islandicoides, Pelecyora islandicoides (Lamarck, 1818) † (FOSSIL)
isocardia, Pelecyora isocardia (Dunker, 1845)
isocardia, Globivenus isocardia (Verrill, 1870)
isocardia, Dosinia isocardia Dunker, 1845 - syn of: Pelecyora isocardia (Dunker, 1845)
isocardia, Antigona isocardia Verrill, 1870 - syn of: Globivenus isocardia (Verrill, 1870)
italica, Callista italica (Defrance, 1818) † (FOSSIL)
iwakawai, Dosinia iwakawai Oyama & Habe, 1971
jacksonii, Bassina jacksonii (Smith, 1885)
jadisi, Cyclinella jadisi Olsson, 1961
jamaniana, Chionopsis amathusia jamaniana Pilsbry & Olsson
japonica, Loxo japonica (Amano, 1957) † (FOSSIL)
japonica, Paphia japonica (Ando, 1953) † (FOSSIL)
japonica, Marcia japonica (Gmelin, 1791)
japonica, Dosinia japonica (Reeve, 1850)
japonica, Larma japonica Amano, 1957 † - syn of: Loxo japonica (Amano, 1957) † (FOSSIL)
japonica, Venerupis philippinarum japonica Deshayes
japonica, Petricola japonica Dunker, 1882
japonica, Venus japonica Gmelin, 1791 - syn of: Marcia japonica (Gmelin, 1791)
japonica, Leukoma japonica Kira, 1954 - syn of: Timoclea marica (Linnaeus, 1758)
japonicum, Pitar japonicum Kuroda & Kawamoto, 1971 - syn of: Aphrodora kurodai (Matsubara, 2007)
javana, Bassina javana Kotaka, 1977 - syn of: Placamen lamellatum (Röding, 1798)
jedoensis, Leukoma jedoensis (Lischke, 1874)
jedoensis, Venus jedoensis Lischke, 1874 - syn of: Leukoma jedoensis (Lischke, 1874)
jedoensis, Protothaca jedoensis Lischke, 1874 - syn of: Leukoma jedoensis (Lischke, 1874)
jerdoni, Periglypta jerdoni (Hislop, 1859) † (FOSSIL)
jidoensis, Venus jidoensis Lischke, 1874 - syn of: Leukoma jedoensis (Lischke, 1874)
jidoensis alta, Venus jidoensis alta Grabau & King, 1928 - syn of: Leukoma jedoensis (Lischke, 1874)
joaquinensis, Lamelliconcha joaquinensis (Vokes, 1939) † (FOSSIL)
jobanica, Leukoma jobanica (Yokoyama, 1924) † (FOSSIL)
joenia, Venus joenia Benoit & Granata Grillo, 1878 - syn of: Venus casina Linnaeus, 1758
johnstoni, Dosinia johnstoni Tate, 1887 † (FOSSIL)
jousseaumiana, Pelecyora jousseaumiana (Fischer-Piette & Delmas, 1967)
jucunda, Dorisca jucunda (Smith, 1885)
judaica, Callistina judaica (Blanckenhorn, 1934) † (FOSSIL)
jukesbrowniana, Pelecyora jukesbrowniana (Preston, 1915)
jukesi, Venus jukesi Deshayes, 1853 - syn of: Globivenus toreuma (Gould, 1850)
julianum, Pitar julianum Ihering, 1907 † (FOSSIL)
juvenilis, Dosinia juvenilis (Gmelin, 1791)
juvenilis, Dosinia juvenilis Lamprell & Whitehead, 1992 - syn of: Dosinia stabilis (Iredale, 1929)
juvenis, Venus juvenis Dillwyn, 1817 - syn of: Dosinia juvenilis (Gmelin, 1791)
kaawaensis, Eumarcia kaawaensis Marwick, 1927 † (FOSSIL)
kaawaensis, Dosinia kaawaensis Marwick, 1927 † (FOSSIL)
kakertensis, Pitar kakertensis Sinelnikova, 1984 † - syn of: Neogenella kakertensis Sinelnikova, 1984 † (FOSSIL)
kakertensis, Saxidomus kakertensis Sinelnikova, 1984 † (FOSSIL)
kamtschatica, Periglypta kamtschatica Sinelnikova, 1990 † - syn of: Humilaria perlaminosa (Conrad, 1855) † (FOSSIL)
kamtschaticus, Saxidomus kamtschaticus Krishtofovich, 1969 † - syn of: Saxidomus purpuratus (Sowerby, 1852) (FOSSIL)
kanakoffi, Securella kanakoffi Hertlein &Grant, 1972 † (FOSSIL)
kaneharai, Cryptogramma kaneharai Yokoyama, 1928 - syn of: Crenocrassatella yagurai (Makiyama, 1927)
kaneharai uandiensis, Kaneharaia kaneharai uandiensis Sinelnikova, 1987 † - syn of: Kaneharaia ausiensis Ilyina, 1957 † (FOSSIL)
kapitea, Notocallista kapitea Beu, 1970 † (FOSSIL)
kaspiewi, Dosinia kaspiewi Fischer-Piette, 1967
katherinae, Bassina katherinae Marwick, 1948
kathiewayae, Pitar kathiewayae Lamprell & Kilburn, 1999
katiawarensis, Pelecyora katiawarensis (Fischer-Piette & Métivier, 1971)
kavranensis, Macrocallista kavranensis Ilyina, 1963 † (FOSSIL)
kavranensis, Pitar kavranensis Slodkewitsch, 1935 † - syn of: Neogenella kavranensis Slodkewitsch, 1935 † (FOSSIL)
keegani, Timoclea keegani Raines & Huber, 2012
keenae, Transenpitar keenae Fischer-Piette & Testud, 1967 - syn of: Transenpitar americana (Doello-Jurado, 1951)
kellettii, Lirophora kellettii (Hinds, 1845)
kellettii, Venus kellettii Hinds, 1845 - syn of: Lirophora kellettii (Hinds, 1845)
kelloggensis, Tivela kelloggensis Clark & Woodford, 1927 † (FOSSIL)
kempfi, Globivenus kempfi (Fischer-Piette & Testud, 1970)
kendricki, Timoclea kendricki Ludbrook, 1978 † (FOSSIL)
kennerleyi, Humilaria kennerleyi (Reeve, 1863)
kennicottii, Mercenaria kennicottii Dall, 1871 - syn of: Mercenaria campechiensis (Gmelin, 1791)
keppeliana, Venus keppeliana Sowerby, 1905 - syn of: Leukoma metodon (Pilsbry & Lowe, 1932)
kilburni, Dorisca kilburni (Drivas & Jay, 1990)
kingii, Callista kingii (Gray, 1827)
kingii, Periglypta kingii Gray, 1827 - syn of: Callista kingii (Gray, 1827)
kingii, Caryatis kingii Römer, 1862 - syn of: Pitar inflatus (Sowerby, 1851)
kioroshiensis, Venerupis aspera kioroshiensis Hirayama & Ando (FOSSIL)
kirai, Sunetta kirai Huber, 2010
kitsoni, Callista kitsoni Newton, 1922 † (FOSSIL)
knudseni, Pitar knudseni Poutiers, 1981 - syn of: Costellipitar manillae (Sowerby, 1851)
knudseni, Costellipitar knudseni Poutiers, 1981 - syn of: Costellipitar manillae (Sowerby, 1851)
kochi, Venus kochi Philippi, 1843 - syn of: Eumarcia paupercula (Holten, 1802)
koeneni, Venus koeneni (Lienenklaus) † (FOSSIL)
konkensis, Venus konkensis Sokolov † (FOSSIL)
kovalisi, Lioconcha kovalisi De Prins, 2013
kovatschensis, Macrocallista kovatschensis Krishtofovich, 1947 † (FOSSIL)
kraussi, Tapes kraussi Reeve, 1864 - syn of: Pitarenus cordatus (Schwengel, 1951)
kraussii, Dosinia kraussii Römer, 1862 - syn of: Dosinia subrosea (Gray, 1835)
kreipli, Paphia kreipli Huber, 2010
kroeyeri, Cyclinella kroeyeri (Philippi, 1847)
kroeyeri ulloana, Cyclinella kroeyeri ulloana Hertlein & Strong, 1948 - syn of: Cyclinella subquadrata (Hanley, 1844)
kroyeri ulloana, Cyclinella kroyeri ulloana Hertlein & Strong, 1948 - syn of: Cyclinella subquadrata (Hanley, 1844)
kryshtofovichii, Pitar kryshtofovichii Sinelnikova, 1991 † (FOSSIL)
kuiperi, Dosinia kuiperi Fischer-Piette & Delmas, 1967
kukpowrukensis, Flaventia kukpowrukensis Imlay, 1961 † (FOSSIL)
kurachensis, Sunetta kurachensis Sowerby, 1895 - syn of: Sunetta donacina (Gmelin, 1791)
kurodai, Aphrodora kurodai (Matsubara, 2007)
kurodai, Pitar kurodai Matsubara, 2007 - syn of: Aphrodora kurodai (Matsubara, 2007)
kyrina, Kyrina kyrina Jousseaume, 1894
labiosa, Meretrix labiosa Lamarck, 1801 - syn of: Meretrix meretrix (Linnaeus, 1758)
labiosa, Dosinia labiosa Römer, 1862
labreana, Lamelliconcha labreana Maury, 1912 † (FOSSIL)
labuana, Venus labuana Adams & Reeve, 1850 - syn of: Marcia japonica (Gmelin, 1791)
lacerata, Antigona lacerata (Hanley, 1845)
lacerata, Venus lacerata Hanley, 1845 - syn of: Antigona lacerata (Hanley, 1845)
laciniata, Leukoma laciniata (Carpenter, 1864)
laciniata, Tapes laciniata Carpenter, 1864 - syn of: Leukoma laciniata (Carpenter, 1864)
lactea, Venus lactea Donovan, 1803 - syn of: Venus casina Linnaeus, 1758
lactea, Periglypta lactea Lamarck, 1818 - syn of: Pitar hebraeus (Lamarck, 1818)
lacunaris, Tapes lacunaris Coen, 1914 - syn of: Polititapes aureus (Gmelin, 1791)
lacunatus, Venus lacunatus Reeve, 1863 - syn of: Puberella intapurpurea (Conrad, 1849)
laeta, Cytherea laeta Lamarck, 1818 - syn of: Pitar affinis (Gmelin, 1791)
laeta, Venus laeta Linnaeus, 1758 - syn of: Pitar laetus (Poli, 1791)
laeta, Venus laeta Poli, 1795 - syn of: Polititapes aureus (Gmelin, 1791)
laetus, Pitar laetus (Poli, 1791)
laevicostata, Timoclea laevicostata Kuroda, 1960
laevigata, Tivela laevigata (Gray, 1838)
laevigata, Costacallista laevigata (Lamarck, 1806) † (FOSSIL)
laevigata, Callista laevigata Lamarck, 1806 † - syn of: Costacallista laevigata (Lamarck, 1806) † (FOSSIL)
laevigata, Meretrix laevigata Lamarck, 1806 † - syn of: Costacallista laevigata (Lamarck, 1806) † (FOSSIL)
laevigata, Macrocallista laevigata Lamarck, 1806 † - syn of: Costacallista laevigata (Lamarck, 1806) † (FOSSIL)
laevigata, Venus laevigata Sowerby, 1853 - syn of: Eumarcia fumigata (Sowerby, 1853)
laevis, Callocardia laevis (Pelseneer, 1903)
lagopus, Tawera lagopus (Lamarck, 1818)
lagopus, Venus lagopus Lamarck, 1818 - syn of: Tawera lagopus (Lamarck, 1818)
lahillei, Pitar lahillei Ihering, 1907 - syn of: Pitar patagonicus (D'Orbigny, 1842)
lajonkairii, Lajonkairia lajonkairii (Payraudeau, 1826)
lajonkairii fragilis, Lajonkairia lajonkairii fragilis Nordsieck, 1969 - syn of: Lajonkairia lajonkairii (Payraudeau, 1826)
lamarcki, Meretrix lamarcki (Agassiz, 1845) † (FOSSIL)
lamarckii, Meretrix lamarckii Deshayes, 1853
lamarckii, Dosinia lamarckii Gray, 1838 - syn of: Antigona lamellaris Schumacher, 1817
lamarckii, Chione lamarckii Gray, 1838 - syn of: Callista kingii (Gray, 1827)
lambata, Dosinia lambata (Gould, 1850)
lamberti, Periglypta lamberti (Deshayes, 1857) † (FOSSIL)
lamellacea, Artena lamellacea Kellum, 1926 † (FOSSIL)
lamellaris, Antigona lamellaris Schumacher, 1817
lamellata, Venus lamellata Lamarck, 1818 - syn of: Bassina disjecta (Perry, 1811)
lamellata, Dosinia lamellata Reeve, 1850 - syn of: Dosinia tumida (Gray, 1838)
lamellata, Venus lamellata Röding, 1798 - syn of: Placamen lamellatum (Röding, 1798)
lamellatum, Placamen lamellatum (Röding, 1798)
lamellatum calophyllum, Placamen lamellatum calophyllum (Philippi, 1846)
lamellifera, Irusella lamellifera (Conrad, 1837)
lamellifera, Venus lamellifera Conrad, 1837 - syn of: Irusella lamellifera (Conrad, 1837)
lamellifera, Venus lamellifera Conrad, 1849 † - syn of: Securella ensifera (Dall, 1909) † (FOSSIL)
lamellifera prelamellifer, Irus lamellifera prelamellifer Grant & Gale, 1931 - syn of: Irusella lamellifera (Conrad, 1837)
lamellosa, Venerupis lamellosa Blainville, 1824 - syn of: Petricola lithophaga (Retzius, 1788)
lamellosa, Gouldia lamellosa Issel, 1869 - syn of: Serratina lamellosa (Issel, 1869)
lamellosa, Venus lamellosa Sowerby, 1825 - syn of: Placamen lamellosum (Sowerby, 1825)
lamellosum, Placamen lamellosum (Sowerby, 1825)
laminata, Dosinia laminata (Reeve, 1850)
laminata, Dosinia laminata Zhuang, 1964 - syn of: Dosinia corrugata (Reeve, 1850)
laminosa, Venus laminosa Laskey, 1811 - syn of: Chamelea striatula (Da Costa, 1778)
lamprelli, Lioconcha lamprelli Moolenbeek, Dekker & Meij, 2008
lamyi, Tivela lamyi Dautzenberg, 1929
lamyi, Dosinia lamyi Fischer-Piette & Delmas, 1967
langdoni, Mercenaria langdoni Dall, 1900 † (FOSSIL)
langfordi, Sunetta langfordi (Habe, 1953)
langfordi, Timoclea langfordi (Kuroda, 1945)
lapicida, Petricola lapicida (Gmelin, 1791)
lapicida divergens, Petricola lapicida divergens (Gmelin, 1791)
laqueata, Antigona laqueata (Sowerby, 1853)
largillierti, Venerupis largillierti (Philippi, 1847)
lata, Petricola lata Dall, 1925 - syn of: Petricolaria pholadiformis (Lamarck, 1818)
laterisulca, Tapes laterisulca Sowerby, 1852 - syn of: Marcia recens (Holten, 1802)
laticostata, Tawera laticostata (Odhner, 1917)
latidactylus, Venerupis latidactylus Muller & Collins, 1991 † (FOSSIL)
latilirata, Lirophora latilirata (Conrad, 1841)
latilirata, Venus latilirata Conrad, 1841 - syn of: Lirophora latilirata (Conrad, 1841)
latilirata, Venus latilirata Sowerby, 1897 - syn of: Comus platyaulax (Tomlin, 1924)
lavezzarii, Venus lavezzarii Fischer-Piette, 1975 - syn of: Venus declivis Sowerby, 1853
lavrani, Timoclea arakana lavrani Fischer-Piette
lavrani, Timoclea lavrani Fischer-Piette, 1974 - syn of: Timoclea arakana lavrani Fischer-Piette, 1974
lawsi, Bassina lawsi Fleming, 1971
layardi, Timoclea layardi (Reeve, 1864)
lechuzaensis, Dosinia lechuzaensis Rivera, 1957 † (FOSSIL)
leiotera, Costacallista leiotera Woodring, 1982 † (FOSSIL)
lemanii, Venus lemanii Payraudeau, 1826 - syn of: Venus verrucosa Linnaeus, 1758
lenis, Pitar lenis Pilsbry & Lowe, 1932 - syn of: Agriopoma mexicanum (Hertlein & Strong, 1948)
lens, Paraesa lens (Gabb, 1864) † (FOSSIL)
lens, Meretrix lens Gabb, 1864 † - syn of: Paraesa lens (Gabb, 1864) † (FOSSIL)
lenticularis, Eurhomalea lenticularis (Broderip & Sowerby, 1835)
lenticularis, Dosiniopsis lenticularis (Rogers, 1838) † (FOSSIL)
lenticularis, Circe tumefacta lenticularis Deshayes
lenticularis, Dosinia lenticularis Forbes, 1846
lentiformis, Circe lentiformis Thiele, 1930 - syn of: Redicirce sulcata (Gray, 1838)
lentiginosa, Meretrix lentiginosa (Chemnitz, 1795)
lentiginosa, Circe lentiginosa Mörch, 1853
lentiginosa, Protapes gallus lentiginosa Reeve
lentiginosa, Tapes lentiginosa Reeve, 1864 - syn of: Protapes gallus lentiginosa (Reeve, 1864)
lepidoglypta, Globivenus lepidoglypta (Dall, 1902)
lepidulus, Tapes lepidulus Locard, 1886 - syn of: Polititapes rhomboides (Pennant, 1777)
leptalea, Venus leptalea Dall, 1894 - syn of: Anomalocardia puella (Pfeiffer, 1846)
leptalea, Anomalocardia leptalea Dall, 1894 - syn of: Anomalocardia puella (Pfeiffer, 1846)
lessonii, Tivela lessonii (Deshayes, 1830)
leucodon, Venus leucodon Broderip & Sowerby, 1835 - syn of: Chione californiensis (Broderip, 1835)
levicocta, Dosinia levicocta Fischer-Piette & Delmas, 1967 - syn of: Dosinia queenslandica Healy & Lamprell, 1992
levissima, Dosinia levissima Fischer-Piette & Delmas, 1967
levukensis, Timoclea levukensis (Smith, 1885)
lewinsohni, Samarangia lewinsohni Mienis, 2011
ligula, Venus ligula Anton, 1838 - syn of: Lamelliconcha unicolor (Sowerby, 1835)
lilacina, Chionopsis lilacina (Carpenter, 1864)
lilacina, Callista erycina lilacina Lamarck
lilacina, Callista lilacina Lamarck, 1818 - syn of: Callista erycina lilacina Lamarck, 1818
lima, Leukoma lima (Sowerby, 1852)
lima, Tapes lima Sowerby, 1852 - syn of: Leukoma lima (Sowerby, 1852)
limatulum, Hyphantosoma limatulum (Sowerby, 1851)
limatulum, Pitar limatulum Sowerby, 1851 - syn of: Hyphantosoma limatulum (Sowerby, 1851)
limonensis, Gouldia limonensis Olsson, 1922 - syn of: Gouldia insularis (Dall & Simpson, 1901)
lincta, Dosinia lupina lincta Pulteney
lincta, Venus lincta Pulteney, 1799 - syn of: Dosinia lupina lincta (Pulteney, 1799)
lineata, Tivela lineata (Sowerby, 1851)
lineolata, Dosinia lineolata Adams, 1856 - syn of: Dosinia fibula (Reeve, 1850)
lineolata, Dosinia lineolata Risso, 1826 - syn of: Loripes lucinalis (Lamarck, 1818)
lineolata, Meretrix lineolata Sowerby, 1854 - syn of: Pitar lineolatus (Sowerby, 1854)
lineolatus, Pitar lineolatus (Sowerby, 1854)
linguafelis, Petricola linguafelis (Carpenter, 1857)
linguafelis, Rupellaria linguafelis Carpenter, 1857 - syn of: Petricola linguafelis (Carpenter, 1857)
linguatula, Petricola linguatula Lamarck, 1818 - syn of: Hiatella arctica (Linnaeus, 1767)
linnaei, Cyprimeria linnaei Renard, 1994 † (FOSSIL)
liocymaformis, Liocyma liocymaformis Krishtofovich, 1969 † - syn of: Liocyma fluctuosa (Gould, 1841) (FOSSIL)
liogona, Dosinia liogona Dall, 1903 † (FOSSIL)
lionota, Timoclea lionota (Smith, 1885)
lirata, Paphia lirata (Philippi, 1848)
lirata, Circe lirata (Römer, 1869)
lirata, Dosinia lirata Sowerby, 1852 - syn of: Dosinia histrio Gmelin, 1791
lischkei, Anomalocardia lischkei Dunker, 1868 - syn of: Anadara trapezia (Deshayes, 1839)
lischkei, Paphia lischkei Fischer-Piette & Métivier, 1971 - syn of: Paphia euglypta (Philippi, 1847)
lischkei, Paphia lischkei Fischer-Piette & Metivier, 1971 † (FOSSIL)
listeri, Periglypta listeri (Gray, 1838)
listeri, Dosinia listeri Gray, 1838 - syn of: Periglypta listeri (Gray, 1838)
listeri, Dosina listeri Gray, 1838 - syn of: Periglypta listeri (Gray, 1838)
listeri, Chione listeri Gray, 1838 - syn of: Periglypta listeri (Gray, 1838)
listeroides, Globivenus listeroides (Fischer-Piette & Testud, 1967)
literatus, Tapes literatus (Linnaeus, 1758)
literatus guttulatus, Tapes literatus guttulatus (Röding, 1798)
lithoida, Venus lithoida Jonas, 1844 - syn of: Eurhomalea rufa (Lamarck, 1818)
lithophaga, Petricola lithophaga (Retzius, 1788)
lithophaga, Venus lithophaga Danilo & Sandri, 1856 - syn of: Venerupis corrugata (Gmelin, 1791)
litterata maculosa, Venus litterata maculosa Schreibers, 1793 - syn of: Tapes literatus (Linnaeus, 1758)
litterata nebulosa, Venus litterata nebulosa Gmelin, 1791 - syn of: Tapes literatus (Linnaeus, 1758)
litterata punctata, Venus litterata punctata Gmelin, 1791 - syn of: Tapes literatus (Linnaeus, 1758)
litteratus, Tapes litteratus Linnaeus, 1758 - syn of: Tapes literatus (Linnaeus, 1758)
litturata, Circe litturata Gray, 1838 - syn of: Circenita varia (Forsskål, 1775)
lochi, Dosinia lochi Healy & Lamprell, 1992
longilunata, Dosinia longilunata Reeve, 1850 - syn of: Dosinia angulosa (Philippi, 1847)
longispina, Callista longispina Mörch, 1861 - syn of: Hysteroconcha multispinosus (Sowerby, 1851)
longone, Venus longone Olivi, 1792 - syn of: Polititapes rhomboides (Pennant, 1777)
lordi, Nutricola lordi (Baird, 1863)
lorenziana, Venus lorenziana Dillwyn, 1817 - syn of: Lioconcha castrensis (Linnaeus, 1758)
lucasana, Petricola lucasana Hertlein & Strong, 1948 - syn of: Petricola insignis (Deshayes, 1854)
lucasii, Venus lucasii Rousseau, 1854 - syn of: Bassina yatei (Gray, 1835)
lucens, Polititapes aureus lucens Locard
lucens, Venerupis lucens Locard, 1886 - syn of: Polititapes aureus lucens (Locard, 1886)
lucinalis, Dosinia lucinalis (Lamarck, 1818)
lucinalis, Petricola lucinalis Lamarck, 1818 - syn of: Petricola lapicida (Gmelin, 1791)
lucinoides, Dosinia lucinoides Reeve, 1850 - syn of: Dosinia cretacea (Reeve, 1850)
luedersii, Dosinia luedersii Römer, 1862
lunaris, Periglypta lunaris Lamarck, 1818 - syn of: Dosinia lupina (Linnaeus, 1758)
lunularia, Chionella lunularia (Deshayes, 1825) † (FOSSIL)
lunulata, Cyclina lunulata Makiyama, 1926 † (FOSSIL)
lunulata, Katelysia lunulata Marwick, 1931 † (FOSSIL)
lunulifera, Cockburnia lunulifera (Wilckens, 1911) † (FOSSIL)
lupanaria, Hysteroconcha lupanaria (Lesson, 1831)
lupanaria, Venus lupanaria Lesson, 1831 - syn of: Hysteroconcha lupanaria (Lesson, 1831)
lupanaria, Pitar lupanaria Lesson, 1831 - syn of: Hysteroconcha lupanaria (Lesson, 1831)
lupina, Dosinia lupina (Linnaeus, 1758)
lupina lincta, Dosinia lupina lincta (Pulteney, 1799)
lupinaria, Pitar lupinaria Lesson, 1830 - syn of: Hysteroconcha lupanaria (Lesson, 1831)
lupinina, Dosinia lupinina Locard, 1886 - syn of: Dosinia lupina (Linnaeus, 1758)
lupinus, Venus lupinus Brocchi, 1814 - syn of: Diplodonta rotundata (Montagu, 1803)
lupinus afra, Dosinia lupinus afra (Gmelin, 1791) - syn of: Dosinia afra (Gmelin, 1791)
lupinus orbignyi, Dosinia lupinus orbignyi Dunker, 1845 - syn of: Dosinia orbignyi Dunker, 1845
lupinus rufescens, Dosinia lupinus rufescens Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Dosinia lupina (Linnaeus, 1758)
lusitanica, Venus lusitanica Gmelin, 1791 - syn of: Chamelea striatula (Da Costa, 1778)
lusoria, Meretrix lusoria (Röding, 1798)
lusoria, Venus lusoria Röding, 1798 - syn of: Meretrix lusoria (Röding, 1798)
luzonica, Tapes luzonica Sowerby, 1852 - syn of: Marcia hiantina (Lamarck, 1818)
lyra, Venus lyra Hanley, 1845
lyra, Petricola lyra Melvill, 1898 † - syn of: Eastonia solanderi (Gray, 1837) † (FOSSIL)
lyrata, Meretrix lyrata (Sowerby, 1851)
mabillei, Tapes mabillei Locard, 1886 - syn of: Polititapes aureus (Gmelin, 1791)
macaulayi, Lioconcha macaulayi Lamprell & Healy, 2002
macclurgi, Bassinaria macclurgi Marwick, 1928 - syn of: Bassina yatei (Gray, 1835)
macdowelli, Kuia macdowelli Marwick, 1927 † (FOSSIL)
macilenta, Artemis macilenta Reeve, 1850 - syn of: Cyclinella subquadrata (Hanley, 1844)
mackayi, Dosinia mackayi Marwick, 1927 † (FOSSIL)
mackenziei, Marama mackenziei Marwick, 1927 † (FOSSIL)
macleayana, Venus macleayana Tenison-Woods, 1878 - syn of: Austrovenus stutchburyi (Wood, 1828)
macrophyllus, Irus macrophyllus (Deshayes, 1853)
macroptera, Dosinia macroptera Fleming, 1943 † (FOSSIL)
mactracea, Dosina mactracea (Broderip, 1835)
mactracea, Venus mactracea Broderip, 1835 - syn of: Dosina mactracea (Broderip, 1835)
mactracea, Dosinia mactracea Broderip, 1835 - syn of: Dosina mactracea (Broderip, 1835)
mactroides, Tivela mactroides (Born, 1778)
mactroides, Venus mactroides Born, 1778 - syn of: Tivela mactroides (Born, 1778)
mactroides nasuta, Tivela mactroides nasuta Dall, 1902 - syn of: Tivela mactroides (Born, 1778)
mactropsis, Panchione mactropsis (Conrad, 1865) † (FOSSIL)
mactropsis, Gratelupia mactropsis Conrad, 1865 † - syn of: Panchione mactropsis (Conrad, 1865) † (FOSSIL)
maculata, Callista maculata (Linnaeus, 1758)
maculata, Venus maculata Linnaeus, 1758 - syn of: Callista maculata (Linnaeus, 1758)
madecassinus, Costellipitar madecassinus (Fischer-Piette & Delmas, 1967)
madecassinus, Pitar madecassinus Fischer-Piette & Delmas, 1967 - syn of: Costellipitar madecassinus (Fischer-Piette & Delmas, 1967)
madreporica, Claudiconcha madreporica Jousseaume, 1895 - syn of: Asaphinoides madreporicus (Jousseaume, 1895)
madreporica, Petricola madreporica Jousseaume, 1895 - syn of: Asaphinoides madreporicus (Jousseaume, 1895)
madreporicus, Asaphinoides madreporicus (Jousseaume, 1895)
maedai, Goshoraia maedai Komatsu, 2013 † (FOSSIL)
maeotica, Dosinia maeotica Andrusov † (FOSSIL)
magdalenae, Globivenus magdalenae (Dall, 1902)
magna, Dosinia magna Hutton, 1873 † (FOSSIL)
magna, Cyclina magna Wade, 1926 † (FOSSIL)
magnifica, Antigona magnifica (Hanley, 1845)
magnifica, Periglypta magnifica (Sowerby, 1825) - syn of: Antigona magnifica (Hanley, 1845)
magnifica, Meroe magnifica Reeve, 1864 - syn of: Sunetta menstrualis (Menke, 1843)
magnifica, Venus magnifica Sowerby, 1853 - syn of: Antigona magnifica (Hanley, 1845)
makoensis, Callista makoensis Marwick, 1931 † (FOSSIL)
makra, Transennella dasa makra Gardner (FOSSIL)
malabarica, Paphia malabarica (Chemnitz, 1782)
malabarica, Tapes malabarica Dillwyn, 1817 - syn of: Protapes gallus (Gmelin, 1791)
malabarica, Venus malabarica Dillwyn, 1817 - syn of: Protapes gallus (Gmelin, 1791)
malabarica, Paphia malabarica Dillwyn, 1817 - syn of: Protapes gallus (Gmelin, 1791)
malabarica monstrosa, Tapes malabarica monstrosa Römer, 1870 - syn of: Protapes monstrosus (Römer, 1870)
malecocta, Dosinia malecocta Fischer-Piette & Delmas, 1967
malonei, Anomalocardia malonei Fischer-Piette, 1968 - syn of: Timoclea peresi Fischer-Piette & Vukadinovic, 1977
malonei, Venus malonei Vanatta, 1901 - syn of: Timoclea arakana (Nevill & Nevill, 1871)
malzinii, Dosinia malzinii Fischer-Piette & Delmas, 1967 - syn of: Dosinia turgida (Reeve, 1850)
manabia, Chionopsis manabia Pilsbry & Olsson, 1941 † (FOSSIL)
mancorensis, Pitar mancorensis (Olsson, 1931) † (FOSSIL)
mancorensis, Costacallista mancorensis Olsson, 1931 † (FOSSIL)
mancorensis, Agriopoma mancorensis Olsson, 1931 † - syn of: Pitar mancorensis (Olsson, 1931) † (FOSSIL)
manhattensis, Venus manhattensis Prime, 1862 - syn of: Gemma gemma (Totten, 1834)
manillae, Costellipitar manillae (Sowerby, 1851)
manillae, Pitar manillae Barnard, 1964 - syn of: Costellipitar madecassinus (Fischer-Piette & Delmas, 1967)
manillae, Pitar manillae Sowerby, 1851 - syn of: Costellipitar manillae (Sowerby, 1851)
maoriana, Dosinia maoriana (Oliver, 1923)
maorum, Gomphina maorum Fischer-Piette & Métivier, 1971 - syn of: Gomphina moerchi (Angas, 1872)
maorum, Gomphina maorum Smith, 1902
marchali, Mysia marchali Cosel, 1995
marcottae, Leukoma marcottae Olsson & Petit, 1964 † (FOSSIL)
marensis, Pitar marensis (Weisbord, 1964) † (FOSSIL)
marginata, Timoclea marginata (Hoernes, 1852) † (FOSSIL)
mariae, Lirophora mariae (D'Orbigny, 1846)
mariae, Venus mariae D'Orbigny, 1846 - syn of: Lirophora mariae (D'Orbigny, 1846)
marica, Timoclea marica (Linnaeus, 1758)
marionae, Tawera marionae Finlay, 1928
marmorata, Marcia recens marmorata Lamarck
marmorata, Marcia marmorata Lamarck, 1818 - syn of: Marcia recens marmorata (Lamarck, 1818)
marmorata, Katelysia marmorata Lamarck, 1818 - syn of: Marcia recens (Holten, 1802)
marmorata, Paphia marmorata Lamarck, 1818 - syn of: Marcia recens (Holten, 1802)
marmorata, Circe marmorata Reeve, 1863 - syn of: Gafrarium divaricatum (Gmelin, 1791)
marrowae, Pitar marrowae Healy & Lamprell, 1992 - syn of: Pitar laetus (Poli, 1791)
marshalli, Tawera marshalli Marwick, 1927 † (FOSSIL)
marthae, Tawera marthae Marwick, 1928 † (FOSSIL)
marwicki, Cyclorismina marwicki Zinsmeister, 1984 † (FOSSIL)
marylandica, Macrocallista marylandica (Conrad, 1833) † (FOSSIL)
mastrichtiensis, Dosinia mastrichtiensis Vogel, 1895 † (FOSSIL)
materna, Proxichione materna Iredale, 1929
mathewsoni, Amiantis mathewsoni (Gabb, 1866) † (FOSSIL)
matsumotoi, Pitar matsumotoi (Nagao, 1928) † (FOSSIL)
mauryae, Dosina mauryae Vokes, 1938 † (FOSSIL)
mawsoni, Tawera mawsoni (Hedley, 1916)
maxima, Venus maxima Anton, 1846 - syn of: Saxidomus gigantea (Deshayes, 1839)
mazyckii, Chione mazyckii Dall, 1902
mcclellandi, Clementia mcclellandi Tomlin, 1921 - syn of: Clementia papyracea (Gmelin, 1791)
mcgintyi, Leukoma metodon mcgintyi Olsson
mcgrathiana, Callista mcgrathiana Rathburn, 1875 † (FOSSIL)
medipictus, Pitar medipictus Lamprell & Kilburn, 1999
mediterranea, Meretrix mediterranea Dautzenberg, 1891 - syn of: Pitar mediterraneus (Aradas & Benoit, 1872)
mediterranea, Venus mediterranea Tiberi, 1855 - syn of: Pitar mediterraneus (Aradas & Benoit, 1872)
mediterraneum, Pitar rudis mediterraneum Tiberi
mediterraneus, Pitar mediterraneus (Aradas & Benoit, 1872)
meganosensis, Macrocallista meganosensis Clark & Woodford, 1927 † (FOSSIL)
mekranica, Venus mekranica Vredenburg, 1928 † (FOSSIL)
melanaegis, Macridiscus melanaegis (Römer, 1861)
melanaegis, Venus melanaegis Römer, 1861 - syn of: Macridiscus melanaegis (Römer, 1861)
melanegis, Gomphina melanegis Römer, 1861 - syn of: Macridiscus melanaegis (Römer, 1861)
meleagrina, Venus meleagrina Bory De Saint-Vincent, 1827 - syn of: Lirophora paphia (Linnaeus, 1767)
melharteae, Lioconcha melharteae Lamprell & Stanisic, 1996
mellisa, Lamelliconcha mellisa Olsson, 1942 † (FOSSIL)
melvilli, Dorisca melvilli (Lynge, 1909)
membranula, Anomalocardia membranula Römer, 1861 - syn of: Anomalocardia puella (Pfeiffer, 1846)
membranula, Murcia membranula Römer, 1861 - syn of: Anomalocardia puella (Pfeiffer, 1846)
menkei, Gafrarium menkei (Jonas, 1846)
menstrualis, Sunetta menstrualis (Menke, 1843)
menstrualis, Sunetta menstrualis Reeve, 1864 - syn of: Sunetta sunettina (Jousseaume, 1891)
menstrualis, Meroe menstrualis Reeve, 1864 - syn of: Sunetta sunettina (Jousseaume, 1891)
mercenaria, Mercenaria mercenaria (Linnaeus, 1758)
mercenaria alba, Venus mercenaria alba Dall, 1902 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
mercenaria antiqua, Venus mercenaria antiqua Verrill, 1875 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
mercenaria notata, Mercenaria mercenaria notata Say, 1822
mercenaria radiata, Venus mercenaria radiata Dall, 1902 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
mercenaria subradiata, Venus mercenaria subradiata Palmer, 1927 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
mercenaroides, Mercimonia mercenaroides , † (FOSSIL)
meretrix, Meretrix meretrix (Linnaeus, 1758)
meretrix aurora, Meretrix meretrix aurora Hornell, 1917 - syn of: Meretrix aurora Hornell, 1917
meretrix bourdasi, Meretrix meretrix bourdasi Fischer-Piette & Fischer, 1941 - syn of: Meretrix attenuata Dunker, 1863
meretrix reevei, Meretrix meretrix reevei Fischer-Piette & Fischer, 1941 - syn of: Meretrix lamarckii Deshayes, 1853
meridionalis, Chione meridionalis Oldroyd, 1921 - syn of: Chione compta (Broderip, 1835)
meridonalis, Leukoma meridonalis (Sowerby, 1846) † (FOSSIL)
meridonalis, Dosinia meridonalis Ihering, 1897 † (FOSSIL)
merignacensis, Chione dertoparva merignacensis Cossmann & Peyrot (FOSSIL)
meroaeformis, Tapes meroaeformis Sowerby, 1853 - syn of: Paphia crassisulca (Lamarck, 1818)
meroe, Sunetta meroe (Linnaeus, 1758)
meroe, Venus meroe Linnaeus, 1758 - syn of: Sunetta meroe (Linnaeus, 1758)
mesodesma, Venus mesodesma Quoy & Gaimard, 1835 - syn of: Tawera spissa (Deshayes, 1835)
mesodesma, Venus mesodesma Smith, 1885 - syn of: Tawera philomela (Smith, 1885)
metcalfei, Circe metcalfei Deshayes, 1854 - syn of: Redicirce sulcata (Gray, 1838)
metodon, Leukoma metodon (Pilsbry & Lowe, 1932)
metodon mcgintyi, Leukoma metodon mcgintyi (Olsson, 1961)
mexicanum, Agriopoma mexicanum (Hertlein & Strong, 1948)
mexicanus, Pitar mexicanus Hertlein & Strong, 1948 - syn of: Agriopoma catharia (Dall, 1902)
micra, Veremolpa micra Pilsbry, 1904 - syn of: Timoclea scabra (Hanley, 1845)
micronodulosa, Gouldia micronodulosa Zhuang, 1964 - syn of: Dorisca jucunda (Smith, 1885)
miliaris, Venus miliaris Philippi, 1844 - syn of: Kelliella miliaris (Philippi, 1844)
millestriata, Petricola millestriata Brown & Pilsbry, 1913 † (FOSSIL)
mindanensis, Timoclea mindanensis (Smith, 1885)
mindorensis, Globivenus mindorensis (Smith, 1916)
minima, Gouldia minima (Montagu, 1803)
minima citrina, Gouldia minima citrina Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Gouldia minima (Montagu, 1803)
minima minor, Circe minima minor Marion, 1883 - syn of: Gouldia minima (Montagu, 1803)
minima mirabilis, Gouldia minima mirabilis Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Gouldia minima (Montagu, 1803)
minima penicillata, Gouldia minima penicillata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Gouldia minima (Montagu, 1803)
minima rubicunda, Gouldia minima rubicunda Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Gouldia minima (Montagu, 1803)
minima triangularis, Gouldia minima triangularis Moazzo, 1939 - syn of: Gouldiopa consternans (Oliver & Zuschin, 2001)
minimum, Gafrarium minimum Montagu, 1803 - syn of: Gouldia minima (Montagu, 1803)
minoensis, Veremolpa minoensis (Itoigawa, 1960) † (FOSSIL)
minor, Dosinia minor Deshayes, 1863
minor, Chione minor Nowell-Usticke, 1969
minuscula, Macrocallista minuscula Kellum, 1926 † (FOSSIL)
minuta, Gouldia minuta (Anderson, 1928) † (FOSSIL)
minuta, Turtonia minuta (Fabricius, 1780)
minuta, Veremolpa minuta (Yokoyama, 1922)
minuta, Periglypta minuta Brown, 1827 - syn of: Gouldia minima (Montagu, 1803)
minutus, Costellipitar minutus (Koch, 1845)
miocaenica, Chione miocaenica (Michelotti, 1847) † (FOSSIL)
mira, Dosinia mira Smith, 1885
mirabilis, Petricola mirabilis Deshayes, 1853 - syn of: Petricola carditoides (Conrad, 1837)
misawaensis, Saxidomus misawaensis (Hatai & Nisiyama, 1952) † (FOSSIL)
mistura, Redicirce mistura Iredale, 1936 - syn of: Redicirce sulcata (Gray, 1838)
mitagensis, Macrocallista mitagensis (Kanno, 1958) † (FOSSIL)
miticula, Dosinia miticula Viader, 1951 - syn of: Dosinia amphidesmoides (Reeve, 1850)
mitis, Irus mitis (Deshayes, 1854)
mitis, Venerupis mitis Deshayes, 1854 - syn of: Irus mitis (Deshayes, 1854)
mitralis, Gouldia mitralis Whidborne † (FOSSIL)
modesta, Transennella modesta (Broderip & Sowerby, 1835)
modesta, Gouldia modesta Adams, 1869 - syn of: Salaputium modestum (Adams, 1869)
modesta, Cytherea modesta Philippi, 1845 - syn of: Pitar inflatus (Sowerby, 1851)
modesta, Dosinia modesta Reeve, 1850 - syn of: Dosinia lupina (Linnaeus, 1758)
moerchi, Gomphina moerchi (Angas, 1872)
momeana, Cyclorismina momeana Freneix, 1980 † (FOSSIL)
monilifera, Venus monilifera Sowerby, 1853 - syn of: Periglypta corbis (Lamarck, 1818)
monstrosa, Petricola monstrosa (Gmelin, 1791)
monstrosus, Protapes monstrosus (Römer, 1870)
montacuti, Venus montacuti Turton, 1819 - syn of: Astarte montagui (Dillwyn, 1817)
montagui, Venus montagui Dillwyn, 1817 - syn of: Astarte montagui (Dillwyn, 1817)
montensis, Microcallista montensis (Cossmann, 1908) † (FOSSIL)
montezuma, Chione montezuma Pilsbry & Lowe, 1932 - syn of: Chionopsis pulicaria (Broderip, 1835)
montezuma, Puberella montezuma Pilsbry & Lowe, 1932 - syn of: Chionopsis pulicaria (Broderip, 1835)
monthiersi, Sunetta monthiersi Vasseur, 1881 † (FOSSIL)
morchii, Dosinia morchii Römer, 1862 - syn of: Dosinia alta (Dunker, 1849)
moretonensis, Clementia moretonensis Deshayes, 1854 - syn of: Clementia papyracea (Gmelin, 1791)
morgani, Placamen morgani (Marwick, 1924) † (FOSSIL)
morgani, Dosina morgani (Suter, 1917) † (FOSSIL)
moristans, Chione moristans Olsson & Harbison, 1953 † (FOSSIL)
morleti, Mysia morleti Cossmann, 1887 † (FOSSIL)
morphina, Meretrix morphina (Lamarck, 1818)
morphina, Periglypta morphina Sowerby, 1851 - syn of: Meretrix lamarckii Deshayes, 1853
morrhuana, Callocardia morrhuana Dall, 1902 - syn of: Agriopoma morrhuanum (Dall, 1902)
morrhuanum, Agriopoma morrhuanum (Dall, 1902)
morrhuanus, Pitar morrhuanus (Dall, 1902)
morrhuanus, Pitar morrhuanus (Lisley, 1848) † (FOSSIL)
morsitans, Chione morsitans Olsson & Harbison, 1953 † (FOSSIL)
morsitans??, Chione morsitans?? Olsson & Harbison, 1953
mortoni, Venus mortoni Conrad, 1837 - syn of: Mercenaria campechiensis (Gmelin, 1791)
motsei, Protapes motsei Chen, Zhang & Kong, 2014
mulawana, Tivela mulawana Biggs, 1969
multicostata, Periglypta multicostata (Sowerby, 1835)
multicostata, Antigona multicostata Sowerby, 1835 - syn of: Periglypta multicostata (Sowerby, 1835)
multicostata, Venus multicostata Sowerby, 1835 - syn of: Periglypta multicostata (Sowerby, 1835)
multicostata, Venerupis multicostata Turton, 1932 - syn of: Irus irus (Linnaeus, 1758)
multifarius, Macridiscus multifarius Kong, Matsukuma & Lutaenko, 2012
multifilosa, Agriopoma gatunensis multifilosa Dall
multilamella, Venus multilamella Lamarck, 1818 † (FOSSIL)
multilamellata, Bassina multilamellata Kotaka, 1977 - syn of: Placamen isabellina (Philippi, 1849)
multilamellata, Chione multilamellata Tate, 1887 † (FOSSIL)
multiradiata, Callista multiradiata (Sowerby, 1851)
multiradiata, Venus multiradiata Menke, 1829 - syn of: Macrocallista nimbosa (Solander, 1786)
multispinosa, Periglypta multispinosa Sowerby, 1851 - syn of: Hysteroconcha multispinosus (Sowerby, 1851)
multispinosus, Hysteroconcha multispinosus (Sowerby, 1851)
multistriata, Notocallista multistriata (Sowerby, 1851)
multistriata, Callista multistriata (Sowerby, 1851) - syn of: Notocallista multistriata (Sowerby, 1851)
multistriata, Cytheraea multistriata Sowerby, 1851 - syn of: Notocallista multistriata (Sowerby, 1851)
multistriata, Striacallista multistriata Sowerby, 1851 - syn of: Notocallista multistriata (Sowerby, 1851)
multisulcata, Meroena multisulcata (Deshayes, 1825) † (FOSSIL)
munda, Aphrodina munda Stephenson, 1953 † (FOSSIL)
mundulus, Venus mundulus Reeve, 1863 - syn of: Leukoma staminea (Conrad, 1837)
mundus, Pitar mundus (Römer, 1861)
munsterii, Chionopsis munsterii (D'Orbigny, 1842) † (FOSSIL)
murdochi, Marama murdochi Marwick, 1927 † (FOSSIL)
murphyi, Pitar murphyi Zinsmeister, 1983 † (FOSSIL)
murrayana, Periglypta murrayana (Tate, 1887) † (FOSSIL)
musanica, Lamelliconcha musanica Olsson, 1922 † (FOSSIL)
muscaria, Venus muscaria Reeve, 1863 - syn of: Leukoma asperrima (Sowerby, 1835)
myaeformis, Macrocallista myaeformis Zhidkova, 1994 † - syn of: Macrocallista mitagensis (Kanno, 1958) † (FOSSIL)
myrrha, Venus myrrha Brusina, 1870 - syn of: Timoclea ovata (Pennant, 1777)
myrrhae, Venus myrrhae Brusina, 1870 - syn of: Timoclea ovata (Pennant, 1777)
nagaii, Dosinia nagaii Otuka, 1934 † - syn of: Dosinia nomurai Otuka, 1934 † (FOSSIL)
nairoensis, Liocyma nairoensis Krishtofovich, 1957 † (FOSSIL)
nakamurai, Marcia nakamurai Ikebe, 1941 † (FOSSIL)
nana, Pelecyora nana (Reeve, 1850)
nana, Tivela nana Krishtofovich, 1991 † (FOSSIL)
nana, Dorisca amica nana Melvill
nancyae, Hyphantosoma nancyae (Lamprell & Whitehead, 1990)
nancyae, Pitar nancyae Lamprell & Whitehead, 1990 - syn of: Hyphantosoma nancyae (Lamprell & Whitehead, 1990)
nannodes, Mercenaria nannodes Gardner, 1947 † (FOSSIL)
napii, Legumen napii McLearn, 1929 † (FOSSIL)
nasuta, Tapes nasuta Coen, 1914 - syn of: Polititapes aureus (Gmelin, 1791)
natalensis, Tivela natalensis Dunker, 1858
navidadensis, Amiantis navidadensis Frassinetti & Covacevich, 1993 † (FOSSIL)
navidadiformis, Eurhomalea navidadiformis Frassinetti & Covacevich, 1999 † (FOSSIL)
neastartoides, Gomphina neastartoides (Yokoyama, 1922)
neastartoides, Venus neastartoides Yokoyama, 1922 - syn of: Gomphina neastartoides (Yokoyama, 1922)
nebrascensis, Dosiniopsis nebrascensis Meek & Hayden, 1876 † (FOSSIL)
nebulosa, Venus nebulosa Gmelin, 1791 - syn of: Marcia opima (Gmelin, 1791)
nedigna, Dosinia nedigna (Iredale, 1930)
neglecta, Venus neglecta Philippi, 1844 - syn of: Leukoma grata (Say, 1831)
neglecta, Chione undatella neglecta Sowerby
neglecta, Venus neglecta Sowerby, 1835 - syn of: Chione undatella neglecta (Sowerby, 1835)
negritensis, Lamelliconcha negritensis Olsson, 1928 † (FOSSIL)
negritosensis, Meretrix negritosensis Woods,, 1922 † (FOSSIL)
neos, Malarossia neos Berezovsky, 1999 † (FOSSIL)
neozelanica, Globivenus neozelanica Marwick, 1965 † (FOSSIL)
neroni, Katelysia neroni (Lamarck, 1818)
nesiotica, Anomalocardia nesiotica Pilsbry, 1930
newcombianus, Pitar newcombianus (Gabb, 1865)
newtoni, Eurhomalea newtoni (Wilckens, 1911) † (FOSSIL)
ngocae, Tapes ngocae Thach, 2016
ngocthieni, Pitar ngocthieni Thach, 2016
nicaraguae, Gemma beatrix nicaraguae Wagner
nimbosa, Macrocallista nimbosa (Solander, 1786)
nimbosa, Venus nimbosa Lightfoot, 1786 - syn of: Macrocallista nimbosa (Solander, 1786)
ninfasiensis, Eurhomalea ninfasiensis (Del Rio, 1997) † (FOSSIL)
nioba, Macrocallista nioba Clench & Mclean, 1936 - syn of: Callista erycinella (Lamarck, 1818)
nipponica, Aphrodora nipponica (Kuroda & Habe, 1971)
nipponica, Veneriglossa nipponica (Okutani, 1972)
nipponica, Dosinia nipponica (Okutani, Tagawa & Horikawa, 1989)
nipponicum, Pitar nipponicum Kuroda & Habe, 1971 - syn of: Aphrodora nipponica (Kuroda & Habe, 1971)
nitens, Artemis nitens Reeve, 1850 - syn of: Dosinia concentrica (Born, 1778)
nitens, Venus nitens Scacchi & Philippi, 1844 - syn of: Polititapes aureus (Gmelin, 1791)
nitens, Venus nitens Turton, 1819 - syn of: Polititapes aureus (Gmelin, 1791)
nitida, Nitidavenus nitida (Deshayes, 1857) † (FOSSIL)
nitida, Venus nitida Quoy & Gaimard, 1835 - syn of: Eumarcia fumigata (Sowerby, 1853)
nitida, Turtonia nitida Verrill, 1872 - syn of: Turtonia minuta (Fabricius, 1780)
nitidissima, Dosinia nitidissima Risso, 1826 - syn of: Dosinia lupina (Linnaeus, 1758)
nitidosus, Tapes nitidosus Locard, 1886 - syn of: Polititapes aureus (Gmelin, 1791)
nitidula, Nitidavenus nitidula (Lamarck, 1806) † (FOSSIL)
nitidulum, Pitar rudis nitidulum Lamarck
nivea, Venus nivea Gmelin, 1791 - syn of: Leptospisula nivea (Gmelin, 1791)
nivea, Callista umbonella nivea Hanley
noaillanensis, Meretrix noaillanensis Cossmann & Peyrot, 1910 † (FOSSIL)
nobilis, Pitar nobilis (Reeve, 1849)
nobilis, Dosinia nobilis Deshayes, 1853 - syn of: Dosinia incisa (Reeve, 1850)
nobilis, Periglypta nobilis Reeve, 1850 - syn of: Amiantis callosa (Conrad, 1837)
noblei, Saxidomus noblei Dickerson, 1914 † (FOSSIL)
nocturna, Paphia nocturna Röding, 1798 - syn of: Tapes literatus (Linnaeus, 1758)
nodai, Cyclina nodai Nagao † (FOSSIL)
nodana, Cyclorisma nodana Stepenson, 1953 † (FOSSIL)
nodosa, Venus nodosa Dunker, 1853 - syn of: Venus verrucosa Linnaeus, 1758
nodulosa, Venus nodulosa Sowerby, 1853 - syn of: Antigona lamellaris Schumacher, 1817
noguchii, Aphrodora noguchii (Habe, 1958)
nomlandi, Lamelliconcha nomlandi Clark & Durham, 1946 † (FOSSIL)
nomurai, Dosinia nomurai Otuka, 1934 † (FOSSIL)
northlandica, Austrovenus northlandica Eagle, 2000 † (FOSSIL)
notata, Mercenaria mercenaria notata Say
nucea, Mercenaria plena nucea Dall
nuciformis, Chione nuciformis Heilprin, 1887 † (FOSSIL)
nuciformis, Venus nuciformis Locard, 1886 - syn of: Venus nux Gmelin, 1791
nucleiformis, Mysia nucleiformis Wagner, 1840 - syn of: Diplodonta nucleiformis Wagner, 1840
nucleus, Venerupis nucleus Lamarck, 1819 - syn of: Venerupis corrugata (Gmelin, 1791)
nucleus, Venus nucleus Statuti, 1880 - syn of: Chamelea gallina (Linneus, 1758)
nuculata, Venus nuculata Locard, 1892 - syn of: Chamelea gallina (Linneus, 1758)
nuculoides, Tivelina nuculoides (Cossmann, 1882) † (FOSSIL)
nuculoides, Tapes nuculoides Coen, 1914 - syn of: Polititapes aureus (Gmelin, 1791)
nuculoides, Dosinia nuculoides Römer, 1870 - syn of: Pelecyora jukesbrowniana (Preston, 1915)
nukumaruensis, Dosinia nukumaruensis Marwick, 1927 † (FOSSIL)
nummulina, Circe nummulina Lamarck, 1818 - syn of: Gafrarium numulinum (Lamarck, 1818)
numulinum, Gafrarium numulinum (Lamarck, 1818)
nuttali, Pitar nuttali (Conrad, 1834) † (FOSSIL)
nuttalli, Venus nuttalli Conrad, 1837 - syn of: Chione californiensis (Broderip, 1835)
nuttalli, Saxidomus nuttalli Conrad, 1837
nuttalli latus, Saxidomus nuttalli latus Stewart, 1941 - syn of: Saxidomus nuttalli Conrad, 1837
nuttalli purpuratus, Saxidomus nuttalli purpuratus Sowerby, 1852 - syn of: Saxidomus purpuratus (Sowerby, 1852)
nuttalliopsis, Meretrix nuttalliopsis Heilprin, 1878 † (FOSSIL)
nuttalliopsis heilprini, Meretrix nuttalliopsis heilprini Palmer, 1929 † (FOSSIL)
nux, Venus nux Gmelin, 1791
nysti, Pelecyora polytropa nysti Orbigny (FOSSIL)
obesa, Venerupis obesa Deshayes, 1854 - syn of: Irus cumingii (Deshayes, 1854)
obliqua, Calpitaria obliqua (Deshayes, 1825) † (FOSSIL)
obliqua, Venus obliqua Anton, 1837 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
obliqua, Periglypta obliqua Deshayes, 1825 † - syn of: Calpitaria obliqua (Deshayes, 1825) † (FOSSIL)
obliqua, Clementia obliqua Jukes-Browne, 1913 - syn of: Compsomyax subdiaphana (Carpenter, 1864)
obliquata, Pitar obliquata Oliver & al., 2004 - syn of: Pitar affinis (Gmelin, 1791)
obliquata, Dosinia obliquata Römer, 1862 - syn of: Dosinia orbignyi Dunker, 1845
obliquatus, Pitar obliquatus (Hanley, 1844)
obliqueovata, Laevicirce obliqueovata Lan, 1989 † (FOSSIL)
obliquissimum, Gafrarium obliquissimum (Smith, 1885)
oblita, Pullastra oblita Phillips, 1829 † (FOSSIL)
obliterata, Lirophora obliterata (Dall, 1902)
oblitterata, Sunetta oblitterata Link, 1807 - syn of: Circe scripta (Linnaeus, 1758)
oblonga, Circe oblonga Deshayes, 1853 - syn of: Circe scripta (Linnaeus, 1758)
oblonga, Dosina oblonga Gray, 1843 - syn of: Dosina mactracea (Broderip, 1835)
oblonga, Dosinia oblonga Gray, 1843 - syn of: Dosina mactracea (Broderip, 1835)
oblonga, Petricola oblonga Sowerby, 1834 - syn of: Paphonotia elliptica (Sowerby, 1834)
obscura, Venus obscura Gmelin, 1791 - syn of: Venerupis decussata (Linnaeus, 1758)
obscurata, Tapes obscurata Deshayes, 1853 - syn of: Tapes belcheri Sowerby, 1852
obscurate, Pitar obscurate White, 1887 † (FOSSIL)
obsoleta, Periglypta obsoleta (Deshayes, 1857) † (FOSSIL)
obsoleta, Venus obsoleta Dillwyn, 1817 - syn of: Venerupis corrugata (Gmelin, 1791)
obtusa, Mercenaria obtusa Conrad, 1866 - syn of: Mercenaria campechiensis (Gmelin, 1791)
occidentalis, Turtonia occidentalis Dall, 1871 - syn of: Turtonia minuta (Fabricius, 1780)
occidentalis, Dosinia occidentalis Ludbrook, 1978 † (FOSSIL)
occidentalis, Tapes occidentalis Reeve, 1864 - syn of: Marcia recens (Holten, 1802)
occulta, Dosinia occulta Fischer-Piette & Delmas, 1967 - syn of: Dosinia hepatica (Lamarck, 1818)
ochroleuca, Petricola ochroleuca Lamarck, 1818 - syn of: Gastrana fragilis (Linnaeus, 1758)
ochropicta, Venus ochropicta Krynicki, 1837 - syn of: Pitar rudis (Poli, 1795)
oenea, Polititapes aureus oenea Turton
ogormani, Callista ogormani Cossmann, 1923 † (FOSSIL)
okobikaensis, Liocyma okobikaensis Popova, 1994 † (FOSSIL)
olgensis, Macrocallista olgensis Ilyina, 1963 † (FOSSIL)
olssoni, Petricola olssoni Bernard, 1983
olssoni, Chionopsis olssoni Fischer-Piette, 1969 - syn of: Chionopsis lilacina (Carpenter, 1864)
olssoni, Megapitaria olssoni Marks, 1951 † (FOSSIL)
omissa, Transennella omissa (Pilsbry & Lowe, 1932) - syn of: Pitar omissa (Pilsbry & Lowe, 1932)
omissa, Pitar omissa (Pilsbry & Lowe, 1932)
ongleyi, Dosinia ongleyi Marwick, 1927 † (FOSSIL)
opaca, Venus opaca Broderip & Sowerby, 1835 - syn of: Eurhomalea rufa (Lamarck, 1818)
opima, Marcia opima (Gmelin, 1791)
opima, Venus opima Gmelin, 1791 - syn of: Marcia opima (Gmelin, 1791)
oppenoorthi, Marcia oppenoorthi Oostingh, 1935 † (FOSSIL)
orbica, Circe orbica Reeve, 1863 - syn of: Circe tumefacta Sowerby, 1851
orbicularis, Periglypta orbicularis (Hislop, 1859) † (FOSSIL)
orbicularis, Dosinia orbicularis Agassiz, 1845 † (FOSSIL)
orbicularis, Venus orbicularis auct. non Linnaeus, 1758 - syn of: Codakia distinguenda (Tryon, 1872)
orbicularis, Venus orbicularis Linnaeus, 1758 - syn of: Codakia orbicularis (Linnaeus, 1758)
orbiculata, Pitar orbiculata Berezovsky, 2010 † (FOSSIL)
orbiculata, Dosinia orbiculata Brown, 1827 - syn of: Dosinia exoleta (Linnaeus, 1758)
orbiculata, Dosinia orbiculata Dunker, 1877
orbiculata, Venus orbiculata Montagu, 1808 - syn of: Ctena orbiculata (Montagu, 1808)
orbiculata, Cyclorisma orbiculata Stephenson, 1952 † (FOSSIL)
orbignyi, Dosinia orbignyi Dunker, 1845
orcutti, Macrocallista orcutti Dall, 1918 - syn of: Megapitaria squalida (Sowerby, 1835)
orientalis, Globivenus orientalis (Cox, 1930)
orientalis, Cyclina orientalis (Sowerby, 1852)
orientalis, Flaventia orientalis Douvillé, 1916 † (FOSSIL)
orientalis, Tapes orientalis Reeve, 1864 - syn of: Marcia recens (Holten, 1802)
orlovkensis, Pitar orlovkensis Devjatilova, 1991 † - syn of: Pitar altoumbonatum (Nagao, 1928) † (FOSSIL)
ornata, Lioconcha ornata (Dillwyn, 1817)
ornata, Trigonocallista ornata Ichikawa & Maeda, 1963 † - syn of: Loxo japonica (Amano, 1957) † (FOSSIL)
ornatissima, Chionopsis ornatissima (Broderip, 1835)
ornatissima, Venus ornatissima Broderip, 1835 - syn of: Chionopsis ornatissima (Broderip, 1835)
ornatus, Pitar ornatus Devjatilova, 1981 † (FOSSIL)
orthra, Pleiorytis orthra Woodring, 1982 † (FOSSIL)
ortmanni, Pitar ortmanni Ihering, 1907 - syn of: Pitar patagonicus (D'Orbigny, 1842)
osmunda, Pitar osmunda (Iredale, 1936)
otiakensis, Proxichione otiakensis Maxwell, 1978 † (FOSSIL)
ovalina, Chionella ovalina (Deshayes, 1857) † (FOSSIL)
ovalis, Flaventia ovalis (J. de C. Sowerby) † (FOSSIL)
ovalis, Nutricola ovalis Dall, 1902 - syn of: Nutricola tantilla (Gould, 1853)
ovalis, Dosinia ovalis Römer, 1860 - syn of: Dosinia pubescens (Philippi, 1847)
ovalis, Meroe ovalis Sowerby, 1892 - syn of: Sunetta bruggeni Fischer-Piette, 1974
ovalis, Sunetta ovalis Sowerby, 1892 - syn of: Sunetta bruggeni Fischer-Piette, 1974
ovata, Timoclea ovata (Pennant, 1777)
ovata, Pleiorytis ovata Conrad, 1862 † (FOSSIL)
ovata, Marama ovata Marwick, 1927 † (FOSSIL)
ovata, Periglypta ovata Rogers & Rogers, 1837 † - syn of: Pitar ovatus (Rogers & Rogers, 1837) † (FOSSIL)
ovata, Meretrix ovata Rogers & Rogers, 1837 † - syn of: Pitar ovatus (Rogers & Rogers, 1837) † (FOSSIL)
ovata, Petricola ovata Troschel, 1852 - syn of: Petricola rugosa Sowerby, 1834
ovata lutea, Venus ovata lutea Jeffreys, 1864 - syn of: Timoclea ovata (Pennant, 1777)
ovata marmorata, Venus ovata marmorata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Timoclea ovata (Pennant, 1777)
ovata paucicostata, Venus ovata paucicostata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Timoclea ovata (Pennant, 1777)
ovata transversa, Venus ovata transversa Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Timoclea ovata (Pennant, 1777)
ovata trigona, Venus ovata trigona Jeffreys, 1864 - syn of: Timoclea ovata (Pennant, 1777)
ovatus, Pitar ovatus (Rogers & Rogers, 1837) † (FOSSIL)
ovulaea, Venus ovulaea Lamarck, 1818 - syn of: Tapes conspersus (Gmelin, 1791)
ovum, Periglypta ovum Hanley, 1845 - syn of: Meretrix casta (Gmelin, 1791)
pachyphylla, Bassina pachyphylla (Jonas, 1839)
pachyphylla, Venus pachyphylla Jonas, 1839 - syn of: Bassina pachyphylla (Jonas, 1839)
pachytesta, Chione pachytesta Pronina, 1969 † (FOSSIL)
pacifica, Gouldia pacifica Adams, 1852 - syn of: Crassinella pacifica (Adams, 1852)
pacifica, Venus pacifica Dillwyn, 1817 - syn of: Callista chinensis (Holten, 1802)
pacifica, Venus pacifica Röding, 1798 - syn of: Circomphalus foliaceolamellosus (Dillwyn, 1817)
pacifica, Callocardia pacifica Smith, 1885 - syn of: Vesicomya pacifica (Smith, 1885)
pailasana, Chione pailasana Weisbord, 1964 † (FOSSIL)
pailasana constricta, Chione pailasana constricta Macsotay, 1968 - syn of: Chione dysera (Linnaeus, 1758)
palanensis, Macrocallista palanensis Sinelnikova, 1991 † (FOSSIL)
pallei, Venus pallei Réquien, 1848 - syn of: Polititapes aureus (Gmelin, 1791)
pallescens, Pitar pallescens (Broderip & Sowerby, 1835)
pallida, Venus pallida Turton, 1822 - syn of: Chamelea striatula (Da Costa, 1778)
palmerae, Dosinia palmerae Olsson, 1931 † (FOSSIL)
palmeri, Pitar palmeri Clark & Woodford, 1927
pampeana, Chione pampeana King, 1832 - syn of: Leukoma antiqua (King, 1832)
panamensis, Cooperella panamensis Olsson, 1961 - syn of: Cooperella subdiaphana (Carpenter, 1864)
pannosa, Transennella pannosa Sowerby, 1835 - syn of: Transennella puella (Reeve, 1863)
pannosa puella, Callista pannosa puella Carpenter, 1864 - syn of: Transennella puella (Reeve, 1863)
paparoaensis, Dosinia paparoaensis Marwick, 1927 † (FOSSIL)
paphia, Lirophora paphia (Linnaeus, 1767)
paphia, Venus paphia Linnaeus, 1767 - syn of: Lirophora paphia (Linnaeus, 1767)
paphia, Venus paphia Montagu, 1803 - syn of: Clausinella fasciata (Da Costa, 1778)
papilionacea, Venus papilionacea Lamarck, 1818 - syn of: Paphia rotundata (Linnaeus, 1758)
papilionaceus, Tapes papilionaceus Lamarck, 1818 - syn of: Paphia rotundata (Linnaeus, 1758)
papyracea, Clementia papyracea (Gmelin, 1791)
papyracea, Venus papyracea Gray, 1825 - syn of: Clementia papyracea (Gmelin, 1791)
papyracea grandis, Clementia papyracea grandis Vredenburg, 1928
papyracea vatheleti, Clementia papyracea vatheleti Mabille, 1901
paradoxa, Venus paradoxa Born, 1778 - syn of: Galatea paradoxa (Born, 1780)
paraensis, Chione paraensis White, 1887 † (FOSSIL)
paraguanensis, Chionopsis paraguanensis Hodson, 1927 † - syn of: Chionopsis tegulum (Brown & Pilsbry, 1911) † (FOSSIL)
paraguanensis, Agriopoma paraguanensis Hodson, 1927 † (FOSSIL)
parallela, Petricola parallela Pilsbry & Lowe, 1932
paralytica, Circenita paralytica (Römer, 1861)
paralytica, Circe paralytica Römer, 1869
parameces, Tivelina parameces Cossmann & Pissarro, 1905 † (FOSSIL)
parapodema, Securella parapodema Dall, 1909 † - syn of: Securella securis (Shumard, 1858) † (FOSSIL)
parckinsonia, Dosinia parckinsonia Risso, 1826 - syn of: Dosinia lupina (Linnaeus, 1758)
pareoraensis, Eumarcia pareoraensis (Suter, 1917) † (FOSSIL)
parinensis, Clementia parinensis Olsson, 1928 † (FOSSIL)
parisanensis, Pitar parisanensis (Yokoyama) † (FOSSIL)
parisiensis, Pitar parisiensis (Deshayes, 1857) † (FOSSIL)
parisiensis, Meretrix parisiensis Deshayes, 1857 † - syn of: Pitar parisiensis (Deshayes, 1857) † (FOSSIL)
parisiensis, Paphia parisiensis Deshayes, 1860 † (FOSSIL)
parisiensis, Calpitaria parisiensis Jukes-Browne, 1908 † (FOSSIL)
parisiensis valida, Pitar parisiensis valida Berezovsky † (FOSSIL)
parkeria, Lirophora parkeria Glenn, 1904 † (FOSSIL)
parki, Tapes parki (Marshall & Murdoch, 1923) † (FOSSIL)
parki, Notocallista parki (Marwick, 1927) † (FOSSIL)
parthiana, Marwickia parthiana (Marwick, 1927) † (FOSSIL)
parva, Gouldia parva Adams, 1845 - syn of: Crassinella lunulata (Conrad, 1834)
parva, Cyclina parva Gardner, 1916 † (FOSSIL)
parva, Bassina parva Marwick, 1927 † (FOSSIL)
parva, Venus parva Sowerby, 1854 - syn of: Chioneryx grus (Holmes, 1858)
parva, Dosinia parva Sowerby, 1894 - syn of: Dosinia minor Deshayes, 1863
parvita, Petricola parvita Cotton & Godfrey, 1938 - syn of: Kyrina rubiginosa (Adams & Angas, 1864)
patagonica, Petricola patagonica D'Orbigny, 1846 - syn of: Petricola dactylus Sowerby, 1823
patagonica, Chione patagonica Philippi, 1887 † (FOSSIL)
patagonicus, Pitar patagonicus (D'Orbigny, 1842)
patagonicus, Venus patagonicus D'Orbigny, 1842 - syn of: Pitar patagonicus (D'Orbigny, 1842)
patera, Timoclea patera Soregnfrei, 1958 † (FOSSIL)
paucigranosa, Anomalocardia paucigranosa Dunker, 1866 - syn of: Tegillarca nodifera (Martens, 1860)
paucilamellata, Mercenaria paucilamellata Dunker, 1863 - syn of: Bassina pachyphylla (Jonas, 1839)
paucilamellata, Bassina paucilamellata Sowerby, 1839 - syn of: Bassina pachyphylla (Jonas, 1839)
paucirugata, Periglypta paucirugata (Tate, 1887) † (FOSSIL)
paulinae, Meretrix paulinae (Mayer, 1861) † (FOSSIL)
paupercula, Eumarcia paupercula (Holten, 1802)
paupercula, Marcia paupercula Chemnitz, 1795 - syn of: Eumarcia paupercula (Holten, 1802)
paupercula, Venerupis paupercula Deshayes, 1854 - syn of: Paphonotia elliptica (Sowerby, 1834)
paupercula, Anomalocardia paupercula Holten, 1802 - syn of: Eumarcia paupercula (Holten, 1802)
paupercula abbreviata, Venus paupercula abbreviata Krauss, 1848 - syn of: Pitar hebraeus (Lamarck, 1818)
paupertina, Venerupis paupertina Tate, 1887 † (FOSSIL)
paytensis, Lamelliconcha paytensis (D'Orbigny, 1845)
paytensis, Venus paytensis D'Orbigny, 1845 - syn of: Lamelliconcha paytensis (D'Orbigny, 1845)
paziana, Anomalocardia paziana Fischer, 1858 - syn of: Anomalocardia cuneimeris (Conrad, 1846)
pechiliensis, Petricola pechiliensis Grabau & King, 1928 - syn of: Irus mitis (Deshayes, 1854)
pectechialis, Meretrix pectechialis Lamarck, 1822 - syn of: Meretrix petechialis (Lamarck, 1818)
pectinata, Circe pectinata (Linnaeus, 1758)
pectinatum, Gafrarium pectinatum (Linnaeus, 1758)
pectinatum alfredense, Gafrarium pectinatum alfredense Bartsch, 1915 - syn of: Gafrarium alfredense (Bartsch, 1915)
pectinatum tumidum, Gafrarium pectinatum tumidum Röding, 1798
pectinula, Venus pectinula Lamarck, 1818 - syn of: Timoclea ovata (Pennant, 1777)
pectorina, Leukoma pectorina (Lamarck, 1818)
pectorina, Venus pectorina Lamarck, 1818 - syn of: Leukoma pectorina (Lamarck, 1818)
pectorosa, Petricola pectorosa Conrad, 1834 † (FOSSIL)
pectunculoides, Venus pectunculoides Valenciennes, 1846 - syn of: Leukoma staminea (Conrad, 1837)
pectunculus, Venus pectunculus Brocchi, 1814 - syn of: Pitar rudis (Poli, 1795)
pectunculus, Cyclina pectunculus Römer, 1860 - syn of: Cyclina sinensis (Gmelin, 1791)
pedemontana, Callista pedemontana (Lamarck) † (FOSSIL)
pedroana, Petricola pedroana Conrad, 1855 - syn of: Petricola carditoides (Conrad, 1837)
peliferus, Costellipitar peliferus (Cosel, 1995)
pellucida, Mysia pellucida (Tate, 1891)
pellucida, Lucinopsis pellucida Tate, 1891 - syn of: Mysia pellucida (Tate, 1891)
pellucidus, Pitar pellucidus (Lamarck, 1818)
penicillata, Dosinia penicillata (Reeve, 1850)
penicillata, Artemis penicillata Reeve, 1850 - syn of: Dosinia penicillata (Reeve, 1850)
penistoni, Periglypta penistoni Heilprin, 1890 - syn of: Pitar fulminatus (Menke, 1828)
penjicus, Amiantis penjicus Sinelnikova, 1990 † (FOSSIL)
penjinskensis, Tivela penjinskensis Devjatilova, 1981 † (FOSSIL)
pennantia, Timoclea pennantia Leach, 1852 - syn of: Timoclea ovata (Pennant, 1777)
pennantii, Venus pennantii Forbes, 1838 - syn of: Chamelea striatula (Da Costa, 1778)
peralta, Dosinia peralta Vredenburg, 1928 † (FOSSIL)
perbrevis, Pitar perbrevis (Conrad, 1848) † (FOSSIL)
perdix, Venus perdix Bory De Saint-Vincent, 1827 - syn of: Chione undatella (Sowerby, 1835)
perdix, Venus perdix Valenciennes, 1846 - syn of: Chione undatella (Sowerby, 1835)
perduensis, Lirophora perduensis Mansfield, 1940 † (FOSSIL)
pereffossa, Globivenus pereffossa (Dautzenberg & Fischer, 1906)
peresi, Timoclea peresi Fischer-Piette & Vukadinovic, 1977
perexcavata, Sunetta perexcavata Fulton, 1930 - syn of: Sunetta subquadrata (Sowerby, 1851)
perforans, Venus perforans Montagu, 1803 - syn of: Venerupis corrugata saxatilis (Fleuriau de Bellevue, 1802)
perfragilis, Pitar perfragilis Pilsbry & Lowe, 1932 - syn of: Pitar pura (Deshayes, 1853)
perlaminosa, Humilaria perlaminosa (Conrad, 1855) † (FOSSIL)
permagna, Venus permagna Conrad, 1838 - syn of: Mercenaria campechiensis (Gmelin, 1791)
permutabilis, Petricolaria permutabilis Cossmann & Peyrot, 1911 † (FOSSIL)
peronii, Katelysia peronii (Lamarck, 1818)
perovalis, Tapes perovalis Wood, 1840 † (FOSSIL)
perovata, Callista perovata Conrad, 1833 † (FOSSIL)
perplexa, Meretrix perplexa Dall, 1891 - syn of: Tivela dentaria (Lamarck, 1818)
perplexa, Dosinia perplexa Marwick, 1927 † (FOSSIL)
perscita, Pitar sulcataria perscita Berezovski (FOSSIL)
persica, Meretrix persica Cox, 1936 † (FOSSIL)
persica, Clausinella persica Cox, 1936 † (FOSSIL)
persica, Paphia persica Cox, 1936 † (FOSSIL)
persimilis, Antigona persimilis (Iredale, 1930)
personata, Circe scripta personata Deshayes
pertenuis, Egesta pertenuis Gabb, 1869 † (FOSSIL)
pertincta, Leukoma pertincta Dall, 1902
peruviana, Lirophora peruviana (Sowerby, 1835)
peruviana, Venerupis peruviana Jay, 1839 - syn of: Petricola denticulata Sowerby, 1834
peruviana, Grateloupia peruviana Olsson, 1928 † (FOSSIL)
peruviana, Egesta peruviana Olsson, 1928 † (FOSSIL)
peruviana, Petricola peruviana Olsson, 1961 - syn of: Petricola olssoni Bernard, 1983
pestis, Callista pestis Marwick, 1938 † (FOSSIL)
petagnae, Venus petagnae Costa, 1829 - syn of: Astarte fusca (Poli, 1791)
petalina, Venus petalina Lamarck, 1818 - syn of: Polititapes aureus (Gmelin, 1791)
petechialis, Meretrix petechialis (Lamarck, 1818)
petiti, Tivela petiti Dautzenberg, 1929 - syn of: Tivela transversa (Sowerby, 1897)
petiti, Venerupis petiti Deshayes, 1839 - syn of: Leukoma staminea (Conrad, 1837)
petricosa, Venus petricosa Simpson, 1855
petropolitanus, Calpitaria petropolitanus Stenzel & al., 1957 † (FOSSIL)
petropolitanus, Pitar petropolitanus Stenzel & Krause † (FOSSIL)
petulca, Venus petulca Linnaeus, 1758
pharota, Rhaiphiale pharota Saul, 1993 † (FOSSIL)
phaseolina, Venus phaseolina Lamarck, 1818 - syn of: Polititapes aureus (Gmelin, 1791)
phasianella, Callista phasianella (Deshayes, 1853)
phenax, Tawera phenax (Finlay, 1930)
phenax, Chamelea phenax Finlay, 1930 - syn of: Tawera phenax (Finlay, 1930)
phenax, Tapes phenax Pilsbry, 1901 - syn of: Tapes belcheri Sowerby, 1852
philippiana, Paphia philippiana Huber, 2010
philippiana exarata, Paphia philippiana exarata (Philippi, 1846)
philippii, Dione philippii Deshayes, 1853 - syn of: Pitar inflatus (Sowerby, 1851)
philippii, Venus philippii D'Orbigny, 1845 - syn of: Dosinia concentrica (Born, 1778)
philippinarum, Venerupis philippinarum (Adams & Reeve, 1850)
philippinarum, Lioconcha philippinarum (Hanley, 1844)
philippinarum dautzenbergi, Lioconcha philippinarum dautzenbergi Prashad, 1932
philippinarum japonica, Venerupis philippinarum japonica (Deshayes, 1853)
philomela, Tawera philomela (Smith, 1885)
philomela, Venus philomela Smith, 1885 - syn of: Tawera philomela (Smith, 1885)
phliippiae, Venus phliippiae Réquien, 1848 - syn of: Clausinella fasciata (Da Costa, 1778)
phoenicopterus, Pitar phoenicopterus (Römer, 1867)
pholadiformis, Petricolaria pholadiformis (Lamarck, 1818)
pholadiformis gracilis, Petricola pholadiformis gracilis Van Regteren Altena, 1971 - syn of: Petricolaria pholadiformis (Lamarck, 1818)
physema, Dosinia physema Römer, 1870
picta, Lioconcha picta (Lamarck, 1818)
picta, Dorisca picta Habe, 1960 - syn of: Dorisca jucunda (Smith, 1885)
picta, Sunetta picta Schumacher, 1817 - syn of: Sunetta meroe (Linnaeus, 1758)
picta, Chione picta Willett, 1944 - syn of: Chioneryx squamosa (Carpenter, 1857)
picturata, Venus picturata Réquien, 1848 - syn of: Polititapes aureus (Gmelin, 1791)
pigmaea, Chione pigmaea Lamarck, 1818
pilsbryi, Privigna pilsbryi Dall, Bartsch & Rehder, 1938
pilsbryi, Callista pilsbryi Habe, 1960
pilula, Pitar pilula Rehder, 1943
pinacatensis, Venus pinacatensis Carpenter, 1864 - syn of: Chionopsis pulicaria (Broderip, 1835)
pinchoti, Chionopsis pinchoti (Pilsbry & Olsson, 1951)
pinguis, Marcia pinguis (Schröter, 1788)
pinguis, Marcia pinguis Chemnitz, 0 - syn of: Marcia opima (Gmelin, 1791)
pinguis, Venus pinguis Chemnitz, 1782 - syn of: Marcia opima (Gmelin, 1791)
pinguis, Marama pinguis Marwick, 1927 † (FOSSIL)
piperita, Callista piperita (Sowerby, 1851)
pitar, Venus pitar Röding, 1798 - syn of: Arctica islandica (Linnaeus, 1767)
pittsburgensis, Callista pittsburgensis (Dall) † (FOSSIL)
placidum, Placamen placidum (Philippi, 1844)
placidum, Venus placidum Philippi, 1844 - syn of: Placamen placidum (Philippi, 1844)
plagia, Venus plagia Jeffreys, 1847 - syn of: Venerupis corrugata (Gmelin, 1791)
plana, Aphrodina plana (Sowerby, 1813) † (FOSSIL)
plana, Eumarcia plana Marwick, 1927 † (FOSSIL)
plana, Circe plana Ohdner, 1917 - syn of: Circe quoyi (Hanley, 1844)
plana, Dosinia plana Reeve, 1850 - syn of: Dosinia discus Reeve, 1850
planata, Gouldia planata Calcara, 1840 - syn of: Crassatina modesta (Adams, 1869)
planata distantelamellata, Gouldia planata distantelamellata Nordsieck, 1969 - syn of: Gouldia minima (Montagu, 1803)
planatella, Callista planatella (Lamarck, 1818)
planicosta, Venerupis planicosta Deshayes, 1854 - syn of: Irus carditoides Lamarck, 1818
planisulcata, Meretrix planisulcata (Sowerby, 1854)
planivieta, Pitar planivieta (Guppy, 1866) † (FOSSIL)
planulata, Tivela planulata (Broderip & Sowerby, 1830)
planulata suffusa, Periglypta planulata suffusa Sowerby, 1835 - syn of: Tivela planulata (Broderip & Sowerby, 1830)
planulatum, Legumen planulatum (Conrad, 1853) † (FOSSIL)
platyaulax, Comus platyaulax (Tomlin, 1924)
platyaulax, Venus platyaulax Tomlin, 1924 - syn of: Comus platyaulax (Tomlin, 1924)
platyaulax, Transennella platyaulax Tomlin, 1924 - syn of: Comus platyaulax (Tomlin, 1924)
platycostata, Gouldia platycostata Miller III, 1985 † (FOSSIL)
platyptycha, Tapes platyptycha Lamprell & Whitehead, 1992 - syn of: Tapes sericeus Matsukuma, 1986
platyptycha, Tapes platyptycha Pilsbry, 1901
plena, Mercenaria plena Conrad, 1869 † (FOSSIL)
plena inflata, Mercenaria plena inflata Dall, 1903
plena nucea, Mercenaria plena nucea Dall, 1903
pleshakovi, Macrocallista pleshakovi Sinelnikova, 1991 † (FOSSIL)
plicata, Venus plicata Gmelin, 1791 - syn of: Circomphalus foliaceolamellosus (Dillwyn, 1817)
plicata rotundior, Venus plicata rotundior Kautsky † - syn of: Circomphalus foliaceolamellosus rotundior (Kautsky) † (FOSSIL)
plicatina, Circe plicatina (Lamarck, 1818)
plicatus, Circomphalus plicatus Gmelin, 1791 - syn of: Circomphalus foliaceolamellosus (Dillwyn, 1817)
plumbea, Venus plumbea Reeve, 1863 - syn of: Leukoma granulata (Gmelin, 1791)
plummeri, Katherinella plummeri Garvie, 2013 † (FOSSIL)
polita, Meroena polita (Lamarck, 1806) † (FOSSIL)
polita, Lioconcha polita (Röding, 1798)
polita, Tivela polita (Sowerby, 1851)
polita, Paphia polita (Sowerby, 1852)
polita, Dosinia polita Deshayes, 1853 - syn of: Dosinia afra (Gmelin, 1791)
polita, Sunetta polita Lamarck, 1806 † - syn of: Meroena polita (Lamarck, 1806) † (FOSSIL)
polita, Venus polita Röding, 1798 - syn of: Lioconcha polita (Röding, 1798)
polita, Cytheraea polita Sowerby, 1851 - syn of: Tivela damaoides (Wood, 1828)
polita, Tapes polita Sowerby, 1852 - syn of: Paphia polita (Sowerby, 1852)
polita, Venus polita Sowerby, 1853 - syn of: Eumarcia fumigata (Sowerby, 1853)
politissima, Callista politissima Kuroda, 1945
pollicaris, Hyphantosoma pollicaris (Carpenter, 1864)
polytropa, Pelecyora polytropa (Anderson, 1958) † (FOSSIL)
polytropa, Pitar polytropa Anderson, 1958 † - syn of: Pelecyora polytropa (Anderson, 1958) † (FOSSIL)
polytropa nysti, Pelecyora polytropa nysti (Orbigny, 1852) † (FOSSIL)
polytropa suborbicularis, Pelecyora polytropa suborbicularis (Goldfuss, 1841) † (FOSSIL)
ponderosa, Tivela ponderosa (Koch, 1844)
ponderosa, Dosinia ponderosa Gray, 1838
ponderosa, Periglypta ponderosa Schumacher, 1817 - syn of: Meretrix meretrix (Linnaeus, 1758)
ponsonbyi, Kyrina ponsonbyi (Sowerby, 1892)
ponsonbyi, Petricola ponsonbyi Sowerby, 1892 - syn of: Kyrina ponsonbyi (Sowerby, 1892)
porcata, Venus porcata Röding, 1798 - syn of: Marcia japonica (Gmelin, 1791)
porrecta, Pitar porrecta Koenen, 1894 † (FOSSIL)
portesiana, Venus portesiana D'Orbigny, 1842 - syn of: Leukoma subrostrata (Lamarck, 1818)
portonoviensis, Ostrincola portonoviensis Reddiah, 1962 - syn of: Meretrix casta (Gmelin, 1791)
posorensis, Chionopsis posorensis Olsson, 1931 † (FOSSIL)
posorjensis, Chionopsis posorjensis (Olsson, 1931) † (FOSSIL)
potteri, Pitar potteri Healy & Lamprell, 1992
powelli, Dosinia powelli Marwick, 1948 † (FOSSIL)
praecursor, Katelysia praecursor Ludbrook, 1978 † (FOSSIL)
praefluctuosa, Liocyma praefluctuosa Krishtofovich, 1968 † - syn of: Liocyma fluctuosa (Gould, 1841) (FOSSIL)
praenominatus, Pitar praenominatus (Hanna) † (FOSSIL)
praeparca, Venus praeparca Say, 1822 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
pratti, Pitar pratti (d'Archiac & Haime, 1853) † (FOSSIL)
prava, Claudiconcha prava Kilburn & Takard, 1975 † (FOSSIL)
prideauxiana, Venus prideauxiana Couch, 1841 - syn of: Chamelea striatula (Da Costa, 1778)
primaeva, Gouldia primaeva Waagen, 1881 † (FOSSIL)
primigenia, Chione primigenia Pilsbry & Johnson, 1917 - syn of: Chione cancellata (Linnaeus, 1767)
pristina, Marama pristina Marwick, 1927 † (FOSSIL)
prodroma, Mercenaria prodroma Gardner, 1947 † (FOSSIL)
producta, Cyclinella producta (Carpenter, 1856)
producta, Cryptonemella producta (Kuroda & Habe, 1951)
propingua, Chione propingua (Tenison-Woods, 1877) † (FOSSIL)
propinqua, Chionopsis propinqua (Spieker, 1922) † (FOSSIL)
propinqua, Tawera propinqua (Tenison Woods, 1877) † (FOSSIL)
propinqua, Chione propinqua Tenison Woods, 1877 † - syn of: Tawera propinqua (Tenison Woods, 1877) † (FOSSIL)
prora, Pitar prora (Conrad, 1837)
prora, Pitar prora Lamprell & Kilburn, 1999 - syn of: Pitar affinis (Gmelin, 1791)
prosayana, Callocardia prosayana Gardner, 1926 † (FOSSIL)
prosayana dodona, Callocardia prosayana dodona Gardner, 1926 † (FOSSIL)
prostrata, Dosinia prostrata (Linnaeus, 1758)
prostrata, Venus prostrata Born, 1780 - syn of: Dosinia prostrata (Linnaeus, 1758)
prostrata, Venus prostrata Linnaeus, 1758 - syn of: Dosinia prostrata (Linnaeus, 1758)
protojuvenilis, Dosinia protojuvenilis Noetling, 1901 † (FOSSIL)
protopapyracea, Clementia protopapyracea Vredenburg, 1928 † (FOSSIL)
protophilippinarum, Lamelliconcha protophilippinarum (Noetling, 1901) † (FOSSIL)
provecta, Austrocardilanx provecta Gardner, 2005 † (FOSSIL)
proxima, Microcallista proxima (Deshayes, 1857) † (FOSSIL)
prunensis, Agriopoma prunensis Glenn, 1904 † (FOSSIL)
pseudoargus, Dosinia pseudoargus d'Archiac & Haime, 1853 † (FOSSIL)
pseudoargus gedrosiana, Dosinia pseudoargus gedrosiana Vredenburg, 1928
pseudofastigiata, Lioconcha fastigiata pseudofastigiata Lamprell & Healy
pseudolima, Kyrina pseudolima (Souverbie & Montrouzier, 1862)
pseudoliratus, Callistotapes pseudoliratus Vredenburg, 1928 † (FOSSIL)
pseudoorbicularis, Dosiniopsis pseudoorbicularis Tremlett, 1953 † (FOSSIL)
pseudoturgida, Venus pseudoturgida Orbigny, 1852 † (FOSSIL)
pseudoumbonella, Costacallista pseudoumbonella Vredenburg, 1928 † (FOSSIL)
pseudoyawensis, Costacallista pseudoyawensis Iqbal, 1969 † (FOSSIL)
psila, Parastarte psila Woodring, 1982 † (FOSSIL)
pubera, Chionopsis pubera (Vincent, 1827)
pubera, Puberella pubera Bory De Saint-Vincent, 1827 - syn of: Puberella crenata (Gmelin, 1791)
pubera, Venus pubera Bory De Saint-Vincent, 1827 - syn of: Puberella crenata (Gmelin, 1791)
pubescens, Dosinia pubescens (Philippi, 1847)
pudica, Pitar pudica (Menke, 1850)
pudica, Arthemis pudica Poli, 1795 - syn of: Dosinia exoleta (Linnaeus, 1758)
pudicissima, Aphrodora pudicissima (Smith, 1894)
puella, Anomalocardia puella (Pfeiffer, 1846)
puella, Transennella puella (Reeve, 1863)
puella, Venus puella Pfeiffer, 1846 - syn of: Anomalocardia puella (Pfeiffer, 1846)
puella, Callista puella Reeve, 1863 - syn of: Transennella puella (Reeve, 1863)
puellula, Timoclea venus puellula Gould
puerpera, Periglypta puerpera (Linnaeus, 1771)
puerpera, Venus puerpera Linnaeus, 1771 - syn of: Periglypta puerpera (Linnaeus, 1771)
puerpera, Chione puerpera Linnaeus, 1771 - syn of: Periglypta puerpera (Linnaeus, 1771)
pukeuriensis, Turia pukeuriensis Marwick, 1927 † (FOSSIL)
pulchella, Chione pulchella Adams, 1870 - syn of: Herouvalia pulchella (Adams, 1870)
pulchella, Anomalocardia pulchella Dunker, 1868 - syn of: Tegillarca granosa (Linnaeus, 1758)
pulchella, Venus pulchella Lamarck, 1818 - syn of: Polititapes aureus (Gmelin, 1791)
pulchella lucens, Venerupis pulchella lucens Locard, 1886 - syn of: Polititapes aureus lucens (Locard, 1886)
pulchellus bicolor, Tapes pulchellus bicolor Pallary, 1900 - syn of: Polititapes aureus (Gmelin, 1791)
pulcherrima, Venerupis pulcherrima Deshayes, 1854 - syn of: Irus irus (Linnaeus, 1758)
pulchra, Circe pulchra Deshayes, 1853 - syn of: Circenita callipyga (Born, 1778)
pulchra, Venus pulchra Wood, 1828 - syn of: Callista florida (Lamarck, 1818)
pulicaria, Chionopsis pulicaria (Broderip, 1835)
pulicaria, Venus pulicaria Broderip, 1835 - syn of: Chionopsis pulicaria (Broderip, 1835)
pulla, Periglypta pulla Philippi, 1851 - syn of: Tivela byronensis (Gray, 1838)
pullastra, Venus pullastra Montagu, 1803 - syn of: Venerupis corrugata saxatilis (Fleuriau de Bellevue, 1802)
pumila, Venus pumila Lamarck, 1818 - syn of: Gouldia minima (Montagu, 1803)
punctata, Venus punctata Linnaeus, 1758 - syn of: Codakia punctata (Linnaeus, 1758)
punctifera, Venus punctifera Lamarck, 1818 - syn of: Tapes literatus (Linnaeus, 1758)
punctifera, Venus punctifera Sowerby, 1853 - syn of: Anomalocardia flexuosa (Linnaeus, 1767)
punctigera, Clausinella punctigera (Dautzenberg & Fischer, 1906)
punctigera, Chione punctigera Dautzenberg & Fischer, 1906 - syn of: Clausinella punctigera (Dautzenberg & Fischer, 1906)
punctigera, Venus punctigera Dautzenberg & Fischer, 1906 - syn of: Clausinella punctigera (Dautzenberg & Fischer, 1906)
punctulata, Venus punctulata Gmelin, 1791 - syn of: Venerupis corrugata (Gmelin, 1791)
punicea, Tapes punicea Deshayes, 1853 - syn of: Venerupis aspera (Quoy & Gaimard, 1835)
pura, Pitar pura (Deshayes, 1853)
purpurascens, Venus purpurascens Gmelin, 1791 - syn of: Semele purpurascens (Gmelin, 1791)
purpurata, Amiantis purpurata (Lamarck, 1818)
purpurata, Venus purpurata Gmelin, 1791 - syn of: Asaphis violascens (Forsskål, 1775)
purpurata, Periglypta purpurata Lamarck, 1818 - syn of: Amiantis purpurata (Lamarck, 1818)
purpurata, Tapes purpurata Sowerby, 1852 - syn of: Saxidomus purpuratus (Sowerby, 1852)
purpuratus, Saxidomus purpuratus (Sowerby, 1852)
purpurissata, Chione purpurissata Dall, 1902 - syn of: Chionopsis lilacina (Carpenter, 1864)
pygmaea, Chioneryx pygmaea (Lamarck, 1818)
pygmaea, Aphrodora pygmaea (Sowerby, 1914)
pygmaea, Timoclea pygmaea Lamarck, 1818 - syn of: Chioneryx pygmaea (Lamarck, 1818)
pygmaea, Venus pygmaea Lamarck, 1818 - syn of: Chioneryx pygmaea (Lamarck, 1818)
pythinoides, Circe pythinoides Tenison-Woods, 1878 - syn of: Gafrarium pectinatum (Linnaeus, 1758)
quadrangularis, Samarangia quadrangularis (Adams & Reeve, 1850)
quadrasi, Petricola quadrasi (Hidalgo, 1886)
quadrasi, Venerupis quadrasi Hidalgo, 1886 - syn of: Petricola quadrasi (Hidalgo, 1886)
quadrata, Venus quadrata Deshayes, 1857 † (FOSSIL)
quadriradiata, Tapes quadriradiata Deshayes, 1853 - syn of: Tapes belcheri Sowerby, 1852
quebradillensis, Chione quebradillensis Maury, 1920 - syn of: Chione cancellata (Linnaeus, 1767)
queenslandica, Gomphina queenslandica (Huber, 2010)
queenslandica, Dosinia queenslandica Healy & Lamprell, 1992
queenslandicus, Pitar queenslandicus Lamprell & Healy, 1997
quintense, Loxo quintense Saul, 1993 † (FOSSIL)
quintucoensis, Aphrodina quintucoensis (Weaver, 1931) † (FOSSIL)
quirosanus, Pitar quirosanus Hodson, 1927 † (FOSSIL)
quirosensis, Lirophora quirosensis Hodson, 1927 † (FOSSIL)
quitana, Cyclinella subquadrata quitana Olsson
quoyi, Circe quoyi (Hanley, 1844)
rabelli, Clementia dariena rabelli Maury
radiata, Chamelea radiata (Brocchi, 1814) † (FOSSIL)
radiata, Venus radiata Gmelin, 1791 - syn of: Tapes literatus (Linnaeus, 1758)
radiata, Naranio radiata Gray, 1853 - syn of: Petricola fabagella Lamarck, 1818
radiata, Arthemis radiata Reeve, 1850 - syn of: Dosinia exoleta (Linnaeus, 1758)
radiata, Tapes radiata Schumacher, 1817 - syn of: Paphia rotundata (Linnaeus, 1758)
radiata, Periglypta radiata Sowerby, 1835 - syn of: Tivela byronensis (Gray, 1838)
radula, Exoleta radula Brown, 1827 - syn of: Dosinia exoleta (Linnaeus, 1758)
rajagopali, Dosinia rajagopali Fischer-Piette, 1976 - syn of: Pelecyora jukesbrowniana (Preston, 1915)
rariflamma, Petricola rariflamma Deshayes, 1834 - syn of: Petricola lithophaga (Retzius, 1788)
rariflamma, Venus rariflamma Lamarck, 1818 - syn of: Polititapes durus (Gmelin, 1791)
rawesi, Periglypta rawesi (Hislop, 1859) † (FOSSIL)
recens, Marcia recens (Holten, 1802)
recens, Venus recens Holten, 1802 - syn of: Marcia recens (Holten, 1802)
recens marmorata, Marcia recens marmorata (Lamarck, 1818)
reclusa, Venus reclusa Favanne, 1780 - syn of: Galatea paradoxa (Born, 1780)
recognita, Chione recognita Smith, 1886 - syn of: Timoclea subnodulosa (Hanley, 1845)
recondita, Pullastra recondita Phillips, 1829 † (FOSSIL)
rectodorsalis, Pitar rectodorsalis Lamprell & Kilburn, 1999
reeveana, Meretrix reeveana (Hidalgo, 1903)
reeveanum, Pitar reeveanum Hidalgo, 1903
reflexa, Venus reflexa Montagu, 1808 - syn of: Venus casina Linnaeus, 1758
reflexus, Irus reflexus (Gray, 1843)
regularis, Costellipitar regularis (Smith, 1885)
rejecta, Tivela rejecta Oliver, 1995 - syn of: Tivela damaoides (Wood, 1828)
rejecta, Tivela rejecta Smith, 1914
rekinensis, Pitar rekinensis Sinelnikova, 1990 † - syn of: Macrocallista rekinnensis Sinelnikova, 1990 † (FOSSIL)
rekinnensis, Macrocallista rekinnensis Sinelnikova, 1990 † (FOSSIL)
reposta, Macrocallista reposta (Conrad, 1834) † (FOSSIL)
resticulata, Antigona resticulata (Sowerby, 1853)
restinensis, Clementia restinensis Olsson, 1928 † (FOSSIL)
restorationensis, Leukoma restorationensis (Frizzell, 1930)
restorationensis, Protothaca restorationensis Frizzell, 1930 - syn of: Leukoma restorationensis (Frizzell, 1930)
reticulata, Periglypta reticulata (Linnaeus, 1758)
reticulata, Petricola reticulata Bellevue, 1802 - syn of: Petricola lithophaga (Retzius, 1788)
reticulata, Chione reticulata Linnaeus, 1758 - syn of: Periglypta reticulata (Linnaeus, 1758)
reticulata, Venus reticulata Linnaeus, 1758 - syn of: Periglypta reticulata (Linnaeus, 1758)
reticulata, Arthemis reticulata Récluz, 1844 - syn of: Dosinia lucinalis (Lamarck, 1818)
reticulata, Tapes reticulata Tenison-Woods, 1878 - syn of: Venerupis anomala (Lamarck, 1818)
reticulina, Venus reticulina Bory De Saint-Vincent, 1827 - syn of: Paphia textile (Gmelin, 1791)
retortus, Tapes retortus Locard, 1886 - syn of: Polititapes aureus (Gmelin, 1791)
retroversum, Placamen retroversum (Deshayes, 1853)
retugida, Chione retugida Woodring, 1925 † (FOSSIL)
reussi, Callista reussi (Speyer, 1866) † (FOSSIL)
rhaetica, Periglypta rhaetica (Henry, 1876) † (FOSSIL)
rhamphodes, Protapes rhamphodes (Oliver & Glover, 1996)
rhombifera, Venus rhombifera Bory De Saint-Vincent, 1827 - syn of: Protapes gallus (Gmelin, 1791)
rhomboides, Polititapes rhomboides (Pennant, 1777)
rhomboides, Paphia rhomboides Pennant, 1777 - syn of: Polititapes rhomboides (Pennant, 1777)
rhomboides, Venus rhomboides Pennant, 1777 - syn of: Polititapes rhomboides (Pennant, 1777)
rhomboides, Venerupis rhomboides Pennant, 1777 - syn of: Polititapes rhomboides (Pennant, 1777)
rhomboides, Tapes rhomboides Pennant, 1777 - syn of: Polititapes rhomboides (Pennant, 1777)
rhomboides major, Tapes rhomboides major Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Polititapes rhomboides (Pennant, 1777)
rhysomia, Venus rhysomia Gabb, 1861 - syn of: Nutricola tantilla (Gould, 1853)
rhyssodes, Petricola rhyssodes Philippi, 1887 - syn of: Petricola rugosa Sowerby, 1834
rhytiphora, Marcia rhytiphora Lamy, 1935 - syn of: Katelysia victoriae (Tenison-Woods, 1878)
rhytiphora, Katelysia rhytiphora Lamy, 1937 - syn of: Katelysia victoriae (Tenison-Woods, 1878)
richerdeforgersi, Lioconcha richerdeforgersi Lamprell & Stanisic, 1996
richthofeni, Chionopsis richthofeni (Hertlein, 1927) † (FOSSIL)
rigida, Globivenus rigida (Dillwyn, 1817)
rigida, Globivenus rigida Dillwyn, 1817 - syn of: Globivenus rigida (Dillwyn, 1817)
rigida, Venus rigida Dillwyn, 1817 - syn of: Globivenus rigida (Dillwyn, 1817)
rigida, Venus rigida Gould, 1850 - syn of: Leukoma staminea (Conrad, 1837)
rigida isocardia, Globivenus rigida isocardia Verrill, 1870 - syn of: Globivenus isocardia (Verrill, 1870)
rileyi, Mercenaria campechiensis rileyi Conrad
rileyi, Venus rileyi Gmelin, 1791 - syn of: Mercenaria campechiensis (Gmelin, 1791)
rimosa, Venus rimosa Philippi, 1847 - syn of: Paphia undulata (Born, 1778)
rimularis, Venus rimularis Lamarck, 1818 - syn of: Marcia hiantina (Lamarck, 1818)
riocanensis, Petricola riocanensis Maury, 1917 - syn of: Choristodon robustus (Sowerby, 1834)
riomaturensis, Lirophora riomaturensis (Maury, 1925)
riopejensis, Gemma beatrix riopejensis Richling (FOSSIL)
riosi, Cooperella riosi Huber, 2010
rissoiana, Dosinia rissoiana Locard, 1886 - syn of: Dosinia lupina (Linnaeus, 1758)
rivularis, Circe rivularis (Born, 1778)
robillardi, Circe robillardi Römer, 1869 - syn of: Circe scripta (Linnaeus, 1758)
roborata, Venus roborata Hanley, 1845 - syn of: Placamen placidum (Philippi, 1844)
robusta, Petricola robusta Philippi, 1849 - syn of: Choristodon robustus (Sowerby, 1834)
robusta, Petricola robusta Sowerby, 1834 - syn of: Choristodon robustus (Sowerby, 1834)
robusta, Atamarcia robusta Stilwell & Zinsmeister, 1992 † (FOSSIL)
robustus, Choristodon robustus (Sowerby, 1834)
rocellaria, Petricola rocellaria Lamarck, 1818 - syn of: Petricola lithophaga (Retzius, 1788)
rochebrunei, Tapes rochebrunei Locard, 1886 - syn of: Polititapes aureus (Gmelin, 1791)
rodatzi, Tapes rodatzi Dunker, 1848 - syn of: Tapes sulcarius (Lamarck, 1818)
rodriguezi, Venus rodriguezi Philippi, 1887 - syn of: Leukoma thaca (Molina, 1782)
rodulfi, Chione rodulfi Frassinetti & Covacevich, 1993 † (FOSSIL)
roemeri, Venus roemeri Dunker, 1860 - syn of: Anomalodiscus squamosa (Linnaeus, 1758)
roemeri, Dosinia roemeri Dunker, 1863 - syn of: Dosinia cumingii (Reeve, 1850)
roemeri, Protapes roemeri Huber, 2010
roemeriana, Timoclea roemeriana (Issel, 1869)
roetersiana, Meroe roetersiana Crosse, 1874 - syn of: Sunetta donacina (Gmelin, 1791)
rogersi, Petricola rogersi McGavock, 1944 - syn of: Petricolaria pholadiformis (Lamarck, 1818)
romani, Venerupis romani Calcara, 1845 - syn of: Coralliophaga lithophagella (Lamarck, 1819)
romeri, Pitar romeri Tomlin & Shackleford, 1913 - syn of: Pitar virgo (Gray, 1838)
rosa, Tawera rosa Powell, 1955
rosalina, Venus rosalina Philippi, 1849 - syn of: Venus subrosalina Tomlin, 1923
rosalina, Venus rosalina Rang, 1835 - syn of: Venus crebrisulca Lamarck, 1818
roscida, Callista roscida Gould, 1861 - syn of: Callista chinensis (Holten, 1802)
rosea, Hysteroconcha rosea (Broderip & Sowerby, 1851)
rosea, Periglypta rosea Broderip & Sowerby, 1829 - syn of: Hysteroconcha rosea (Broderip & Sowerby, 1851)
rosea vanwinkleae, Hysteroconcha rosea vanwinkleae Olsson, 1922
rosea wiedenmayeri, Pitar rosea wiedenmayeri Hodson, 1931 - syn of: Hysteroconcha rosea vanwinkleae Olsson, 1922
roseoprodissoconchus, Pitar roseoprodissoconchus Drivas & Jay, 1990 - syn of: Hyphantosoma nancyae (Lamprell & Whitehead, 1990)
roseotincta, Callista roseotincta (Smith, 1885)
roseotinctum, Placamen roseotinctum (Baird, 1873)
rostrata, Cytherea rostrata Koch, 1844 - syn of: Pitar patagonicus (D'Orbigny, 1842)
rostrata, Venus rostrata Sowerby, 1853 - syn of: Anomalocardia cuneimeris (Conrad, 1846)
rostratus, Pitar rostratus (Philippi, 1844)
rostratus, Tapes rostratus Locard, 1886 - syn of: Polititapes aureus (Gmelin, 1791)
rotundata, Paphia rotundata (Linnaeus, 1758)
rotundior, Circomphalus foliaceolamellosus rotundior Kautsky (FOSSIL)
rowleei, Chione rowleei Olsson, 1922 † (FOSSIL)
rubiginosa, Kyrina rubiginosa (Adams & Angas, 1864)
rubiginosa, Petricola rubiginosa Adams & Angas, 1864 - syn of: Kyrina rubiginosa (Adams & Angas, 1864)
rubiginosa, Periglypta rubiginosa Philippi, 1845 - syn of: Pitar fulminatus (Menke, 1828)
rubra, Venus rubra Gmelin, 1791 - syn of: Lamelliconcha circinata (Born, 1778)
ruderata, Chione ruderata Deshayes, 1853 - syn of: Leukoma staminea (Conrad, 1837)
ruderata, Leukoma ruderata Deshayes, 1853 - syn of: Leukoma staminea (Conrad, 1837)
rudis, Pitar rudis (Poli, 1795)
rudis gracilentum, Pitar rudis gracilentum Locard, 1892
rudis mediterranea, Venus rudis mediterranea Monterosato, 1874 - syn of: Pitar mediterraneus (Aradas & Benoit, 1872)
rudis mediterraneum, Pitar rudis mediterraneum Tiberi, 1885
rudis nitidulum, Pitar rudis nitidulum (Lamarck, 1818)
rudis radiata, Meretrix rudis radiata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Pitar rudis (Poli, 1795)
rudis rugatum, Pitar rudis rugatum Locard, 1892
rufa, Eurhomalea rufa (Lamarck, 1818)
rufa, Venus rufa Lamarck, 1818 - syn of: Eurhomalea rufa (Lamarck, 1818)
rufescens, Pitar rufescens (Deshayes, 1853)
rufiscescens, Venerupis rufiscescens Fischer-Piette & Métivier, 1971 - syn of: Polititapes durus (Gmelin, 1791)
rugata, Periglypta rugata Locard, 1892 - syn of: Pitar rudis (Poli, 1795)
rugatina, Globivenus rugatina (Heilprin, 1886)
rugatum, Pitar rudis rugatum Locard
rugifera, Circe rugifera (Lamarck, 1818)
rugosa, Venerupis rugosa (Sowerby, 1854)
rugosa, Antigona rugosa Gmelin, 1792 - syn of: Globivenus rigida (Dillwyn, 1817)
rugosa, Anomalocardia rugosa Schumacher, 1817 - syn of: Anomalocardia flexuosa (Linnaeus, 1767)
rugosa, Petricola rugosa Sowerby, 1834
rumoensis, Kaneharaia rumoensis Amano, 1983 † (FOSSIL)
rumphii, Lioconcha rumphii Meij, Moolenbeek & Dekker, 2010
ruperella, Petricola ruperella Lamarck, 1818 - syn of: Petricola lithophaga (Retzius, 1788)
rupestris, Mysia rupestris (Brocchi, 1814) † (FOSSIL)
ruscuriana, Venerupis ruscuriana Monterosato, 1884
rusterucii, Venus rusterucii Payraudeau, 1826 - syn of: Venus casina Linnaeus, 1758
rustica, Tivelina rustica (Deshayes, 1825) † (FOSSIL)
rustica, Meretrix rustica Deshayes, 1825 † - syn of: Tivelina rustica (Deshayes, 1825) † (FOSSIL)
rustica, Caryatis rustica Römer, 1867 - syn of: Pitar patagonicus (D'Orbigny, 1842)
rutila, Mercenaria rutila Sternheimer, 1957 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
rutila rarilineata, Mercenaria rutila rarilineata Sternheimer, 1957 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
saccata, Arthemis saccata Gould, 1851 - syn of: Cyclinella subquadrata (Hanley, 1844)
sachalinensis, Liocyma sachalinensis Lautenschläger, 1968 † - syn of: Liocyma fluctuosa (Gould, 1841) (FOSSIL)
sacyi, Chione sacyi Cossmann & Peyrot, 1910 † (FOSSIL)
sacyi, Tapes sacyi Cossmann & Peyrot, 1910 † (FOSSIL)
saincenyensis, Calpitaria saincenyensis (Deshayes of Krach, 1981) † (FOSSIL)
sainceyensis, Calpitaria sainceyensis (Deshayes, 1857) † (FOSSIL)
salamensis, Circe salamensis Thiele & Jaeckel, 1931 - syn of: Dorisca amica (Smith, 1885)
salamensis, Dorisca salamensis Thiele & Jaeckel, 1931 - syn of: Dorisca amica (Smith, 1885)
salanga, Pitar salanga Pilsbry & Olsson, 1941 - syn of: Lamelliconcha concinna (Sowerby, 1835)
salebrosa, Dosinia salebrosa Römer, 1860 - syn of: Dosinia altior Deshayes, 1853
salinensis, Eurhomalea salinensis Ramorino, 1968
sallei, Venus sallei Reeve, 1864 - syn of: Sunetta donacina (Gmelin, 1791)
sallomacensis, Tapes sallomacensis Fischer, 1879 † (FOSSIL)
salmonea, Psephis salmonea Carpenter, 1864 - syn of: Neolepton salmoneum (Carpenter, 1864)
salsola, Lamelliconcha salsola Dall, 1895 † - syn of: Lamelliconcha hillii (Dall, 1895) † (FOSSIL)
salvia, Callocardia salvia Olsson, 1928 † (FOSSIL)
samanensis, Lamelliconcha samanensis Olsson, 1928 † (FOSSIL)
sanata, Dosinia sanata Fischer-Piette & Delmas, 1967
sanguinolenta, Venus sanguinolenta Gmelin, 1791 - syn of: Polititapes rhomboides (Pennant, 1777)
santana, Dosinia santana Loel & Corey, 1932 † (FOSSIL)
santodomingensis, Chione santodomingensis Pilsbry & Johnson, 1917 - syn of: Chione cancellata (Linnaeus, 1767)
saponaria, Lamelliconcha saponaria Olsson, 1928 † (FOSSIL)
sapotanus, Pitar sapotanus Olsson, 1932 † (FOSSIL)
sarniensis, Venus sarniensis Turton, 1822 - syn of: Polititapes rhomboides (Pennant, 1777)
satparaensis, Sunetta satparaensis Preston, 1914 - syn of: Circe scripta (Linnaeus, 1758)
savignyi, Gafrarium savignyi (Jonas, 1846)
savignyi, Lioconcha savignyi Pallary, 1926 - syn of: Circenita varia (Forsskål, 1775)
sawitrae, Atopodonta sawitrae (Beets, 1941) † (FOSSIL)
sawkinsi, Chione sawkinsi Woodring, 1925 † (FOSSIL)
saxatilis, Venerupis corrugata saxatilis Fleuriau de Bellevue
saxicola, Venus saxicola Danilo & Sandri, 1856 - syn of: Venerupis corrugata (Gmelin, 1791)
sayana, Periglypta sayana Dall, 1902 - syn of: Pitar morrhuanus (Dall, 1902)
sayana, Pitar sayana Dall, 1902 - syn of: Pitar morrhuanus (Dall, 1902)
sayana, Agriopoma sayana Dall, 1902 - syn of: Pitar morrhuanus (Dall, 1902)
sayana, Callocardia sayana Dall, 1902 - syn of: Pitar morrhuanus (Dall, 1902)
scabra, Timoclea scabra (Hanley, 1845)
scabra, Dosinia scabra Philippi, 1849 - syn of: Dosinia histrio Gmelin, 1791
scabriuscula, Dosinia scabriuscula (Philippi, 1847)
scalarina, Katelysia scalarina (Lamarck, 1818)
scalarina, Venus scalarina Lamarck, 1818 - syn of: Katelysia scalarina (Lamarck, 1818)
scalarina aphrodina, Katelysia scalarina aphrodina (Lamarck, 1818)
scalaris, Clausinella scalaris (Bronn, 1831)
scalaris, Dosinia scalaris (Menke, 1843)
scalaris, Clausinella fasciata scalaris Bronn
scammoni, Liocyma scammoni Dall, 1871 - syn of: Liocyma fluctuosa (Gould, 1841)
scandularis, Timoclea scandularis (Hedley, 1909)
scansilis, Anomalocardia scansilis Römer, 1861 - syn of: Tawera spissa (Deshayes, 1835)
scarificata, Tivela scarificata Berry, 1940 - syn of: Tivela stultorum (Mawe, 1823)
schefferi, Liocyma schefferi Bartsch & Rehder, 1939 - syn of: Liocyma fluctuosa (Gould, 1841)
schencki, Protothaca schencki Nomura, 1937 - syn of: Venerupis decussata (Linnaeus, 1758)
schioettei, Lioconcha schioettei Lamprell & Healy, 2002
schiottei, Lioconcha schiottei Lamprell & Healy, 2002
schnelliana, Paphia schnelliana (Dunker, 1865)
schnelliana, Paphia schnelliana Springsteen & Leobrera, 1986 - syn of: Paphia declivis (Sowerby, 1852)
schottii, Chione schottii Dall, 1902 - syn of: Chamelea gallina (Linneus, 1758)
schwartzi, Notocallista schwartzi (Newton) † (FOSSIL)
sciaena, Pitar sciaena Olsson, 1928 † (FOSSIL)
scinctilla, Periglypta scinctilla (Deshayes, 1857) † (FOSSIL)
scintillaeformis, Cooperella scintillaeformis Carpenter, 1864 - syn of: Cooperella subdiaphana (Carpenter, 1864)
scobina, Petricola scobina Carpenter, 1857 - syn of: Petricola linguafelis (Carpenter, 1857)
scobinellata, Marcia scobinellata (Lamarck) † (FOSSIL)
scobinellata, Katelysia scobinellata (Lamarck, 1806) † (FOSSIL)
scordalus, Paphia scordalus Iredale, 1936 - syn of: Paphia undulata (Born, 1778)
scotti, Petricola scotti Coan, 1997
scripta, Circe scripta (Linnaeus, 1758)
scripta, Circe scripta Wells & Bryce, 1988 - syn of: Circe quoyi (Hanley, 1844)
scripta personata, Circe scripta personata Deshayes, 1854
scripta tumefacta, Circe scripta tumefacta Sowerby, 1851 - syn of: Circe tumefacta Sowerby, 1851
sculpta, Venus sculpta Deshayes, 1853 - syn of: Globivenus toreuma (Gould, 1850)
sculpta, Paleomarcia sculpta Fletcher, 1938 † (FOSSIL)
sculpta, Dosinia sculpta Hanley, 1845
sculpturata, Hyphantosoma sculpturata (Marshall, 1918) † (FOSSIL)
sculpturata, Callista sculpturata Stoliczka, 1870 † (FOSSIL)
sechuntana, Chionopsis sechuntana (Hanna & Israelsky, 1925) † (FOSSIL)
secunda, Venerella secunda (Deshayes, 1857) † (FOSSIL)
secunda insolida, Venerella secunda insolida Keen, 1954 † (FOSSIL)
securiformis, Pitar securiformis Conrad, 1865 † (FOSSIL)
securis, Securella securis (Shumard, 1858) † (FOSSIL)
segregata, Mysia segregata Cossmann, 1887 † (FOSSIL)
semiarata, Meretrix semiarata Cossmann, 1906 † (FOSSIL)
semicancellata, Venus semicancellata Koch, 1843 - syn of: Macridiscus donacinus semicancellatus (Koch, 1843)
semicancellatus, Macridiscus donacinus semicancellatus Koch
semidecussata, Tapes semidecussata Reeve, 1864 - syn of: Venerupis philippinarum (Adams & Reeve, 1850)
semifulva, Periglypta semifulva Menke, 1847 - syn of: Tivela byronensis (Gray, 1838)
semilaevis, Dosinia semilaevis Philippi, 1887 † (FOSSIL)
semilamellata, Petricola semilamellata Lamarck, 1818 - syn of: Petricola lithophaga (Retzius, 1788)
semilamellosa, Periglypta semilamellosa Delessert, 1841 - syn of: Hysteroconcha lupanaria (Lesson, 1831)
semilicentrifugata, Timoclea semilicentrifugata Viader, 1951 - syn of: Tawera similicentrifuga (Viader, 1951)
semiobliterata, Dosinia semiobliterata Deshayes, 1853
semiplicata, Chionopsis semiplicata (Nomland, 1917) † (FOSSIL)
semipunctata, Pitar semipunctata (Conrad, 1848) † (FOSSIL)
semipurpurea, Petricola semipurpurea Dunker, 1882 - syn of: Irus mitis (Deshayes, 1854)
semipurpurea, Rupellaria semipurpurea Dunker, 1882 - syn of: Irus mitis (Deshayes, 1854)
semirugata, Paphia semirugata (Philippi, 1847)
semirugata, Venus semirugata Philippi, 1847 - syn of: Paphia semirugata (Philippi, 1847)
semisulcata, Meroena semisulcata (Lamarck, 1806) † (FOSSIL)
semisulcata, Callista semisulcata (Sowerby, 1851)
semperi, Costacallista semperi (Lamarck, 1818)
sendaica, Pitar sendaica Nomura, 1938 † - syn of: Gigantocallista sendaica (Nomura, 1938) † (FOSSIL)
sendaica monstrosa, Pitar sendaica monstrosa Nomura, 1938 † - syn of: Gigantocallista sendaica (Nomura, 1938) † (FOSSIL)
senegalensis, Venerupis corrugata senegalensis Gmelin
senegalensis, Venus senegalensis Gmelin, 1791 - syn of: Venerupis corrugata senegalensis (Gmelin, 1791)
separata, Meroena separata (Deshayes, 1857) † (FOSSIL)
sericea, Dosinia sericea (Reeve, 1850)
sericeus, Tapes sericeus Matsukuma, 1986
serrata, Petricolaria serrata (Deshayes, 1853)
serricula, Petricola serricula Rochebrune, 1881 - syn of: Petricola lapicida (Gmelin, 1791)
servaini, Tapes servaini Locard, 1886 - syn of: Polititapes aureus (Gmelin, 1791)
sewelli, Aphrodora sewelli (Knudsen, 1967)
seymourensis, Leukoma seymourensis Dall & Oschner, 1928 † (FOSSIL)
shantii, Meretrix shantii Abbass, 1972 † (FOSSIL)
siamensis, Timoclea siamensis (Lynge, 1909)
sicarisinus, Dosinia sicarisinus Kensley & Pether, 1986 † (FOSSIL)
sicilianus, Venus casina sicilianus Aradas & Benoit
sidneyensis, Venus sidneyensis Menke, 1858 - syn of: Placamen chloroticum (Philippi, 1849)
sieboldi, Dosinia sieboldi Römer, 1862 - syn of: Dosinia eduardi Fischer-Piette & Delmas, 1967
sieboldii, Dosinia sieboldii Reeve, 1850 - syn of: Dosinia exasperata (Philippi, 1847)
silicifluvia, Pitar silicifluvia Dall, 1916 † (FOSSIL)
siliqua, Venerupis siliqua Deshayes, 1854 - syn of: Irus reflexus (Gray, 1843)
siliqua, Tivelina siliqua Olsson, 1928 † (FOSSIL)
simiensis, Pitar simiensis (Nelson, 1925) † (FOSSIL)
similicentrifuga, Tawera similicentrifuga (Viader, 1951)
similis, Tapes similis Deshayes, 1853 - syn of: Polititapes durus (Gmelin, 1791)
similis, Clementia similis Deshayes, 1853 - syn of: Kyrina granulifera (Sowerby, 1852)
similis, Clementia similis Sowerby, 1852 - syn of: Clementia papyracea (Gmelin, 1791)
similis, Venus similis Wood, 1828 - syn of: Corbicula similis (Wood, 1828)
simillima, Venus simillima Sowerby, 1853 - syn of: Chione undatella (Sowerby, 1835)
simils, Clementia simils Deshayes, 1853 - syn of: Kyrina granulifera (Sowerby, 1852)
simonnei, Hyphantosoma simonnei Dey, 1961 † (FOSSIL)
simplex, Dosinia simplex Adams, 1856 - syn of: Dosinia angulosa (Philippi, 1847)
simplex, Dosinia simplex Hanley, 1845 - syn of: Dosinia dunkeri (Philippi, 1844)
simplex, Dosinia simplex Hanley, 1845 - syn of: Dosinia dunkeri (Philippi, 1844)
simpsoni, Pitar simpsoni (Dall, 1895)
simulans, Venus simulans Sowerby, 1844 - syn of: Venus verrucosa Linnaeus, 1758
sincera, Callocardia sincera Dall, 1903 † (FOSSIL)
sinedepressus, Pitar sinedepressus (Nelson, 1925) † (FOSSIL)
sinensis, Cyclina sinensis (Gmelin, 1791)
sinensis, Venus sinensis Holton, 1802 - syn of: Callista chinensis (Holten, 1802)
sinensis, Tapes sinensis Reeve, 1864 - syn of: Marcia recens (Holten, 1802)
singleyi, Cyclinella singleyi Dall, 1902 - syn of: Cyclinella producta (Carpenter, 1856)
singularis, Marama singularis (Marwick, 1927) † (FOSSIL)
sinuata, Venus sinuata Born, 1778 - syn of: Chamelea gallina (Linneus, 1758)
sinuata, Venus sinuata Gmelin, 1791 - syn of: Pelecyora excisa (Röding, 1798)
sinuosa, Venus sinuosa (Lamarck, 1818)
sinuosa, Petricola sinuosa Conrad, 1849 - syn of: Choristodon robustus (Sowerby, 1834)
sinuosa, Tapes sinuosa Lamarck, 1818 - syn of: Venus sinuosa (Lamarck, 1818)
sinuosa, Protapes sinuosa Lamarck, 1818 - syn of: Venus sinuosa (Lamarck, 1818)
sinuosa, Venus sinuosa Pennant, 1777 - syn of: Mysia undata (Pennant, 1777)
sismondae, Periglypta sismondae Calcara, 1845 - syn of: Gouldia minima (Montagu, 1803)
smithiana, Timoclea smithiana Huber, 2010
smithii, Callocardia smithii Dall, 1889 - syn of: Isorropodon smithii (Dall, 1889)
smithvillensis, Katherinella smithvillensis Stenzel & al., 1957 † (FOSSIL)
snatolana, Tivela snatolana Slodkewitsch, 1938 † (FOSSIL)
snatolensis, Macrocallista snatolensis Krishtofovich, 1947 † (FOSSIL)
snellii, Globivenus snellii (Fischer-Piette, 1975)
sobrina, Callista sobrina (Conrad, 1848) † (FOSSIL)
sodalis, Raina sodalis Marwick, 1929 † (FOSSIL)
sokolowi, Pitar sokolowi (Slodkewitsch) † (FOSSIL)
solanderii, Sunetta solanderii (Gray, 1825)
solandri, Sunetta solandri Gray, 1838 - syn of: Sunetta solanderii (Gray, 1825)
solangensis, Venus solangensis D'Orbigny, 1845 - syn of: Tivela byronensis (Gray, 1838)
solida, Egesta solida (Dall, 1902)
solida, Dosinia solida Benoist, 1873 † (FOSSIL)
solida, Clementia solida Dall, 1902 - syn of: Egesta solida (Dall, 1902)
solida, Marcia solida Deshayes, 1825 † - syn of: Venerella secunda insolida Keen, 1954 † (FOSSIL)
solida, Petricola solida Sowerby, 1834 - syn of: Paphonotia elliptica (Sowerby, 1834)
solidissima, Periglypta solidissima Philippi, 1851 - syn of: Tivela stultorum (Mawe, 1823)
solidula, Dosinia solidula Sowerby, 1852 - syn of: Dosinia orbignyi Dunker, 1845
solidula, Petricola solidula Sowerby, 1855 - syn of: Paphonotia elliptica (Sowerby, 1834)
soligena, Pitar soligena (Römer, 1867)
somwangi, Antigona somwangi Huber, 2010
sophiae, Pitar sophiae (Angas, 1877)
sorachiensis, Pitar sorachiensis Oyama & Mizuno, 1958 † (FOSSIL)
soror, Periglypta soror (Deshayes, 1857) † (FOSSIL)
sororcula, Transennella sororcula Pilsbry & Lowe, 1932 - syn of: Transennella modesta (Broderip & Sowerby, 1835)
southlandica, Bassina southlandica Fleming, 1962
sowerbyi, Lioconcha sowerbyi (Deshayes, 1853)
sowerbyi, Antigona sowerbyi (Deshayes, 1853)
sowerbyi, Venus sowerbyi Deshayes, 1853 - syn of: Antigona sowerbyi (Deshayes, 1853)
soyoae, Laevicirce soyoae Habe, 1951
spada, Chamelea spada Dall, 1903 † (FOSSIL)
spaldingi, Dosinia spaldingi Jousseaume, 1894 - syn of: Meretrix meretrix (Linnaeus, 1758)
spathi, Trigonocallista spathi Rennie, 1930 † (FOSSIL)
speciosa, Clementia speciosa Yokoyama, 1923 - syn of: Clementia papyracea (Gmelin, 1791)
speciosum, Gafrarium speciosum (Römer, 1869)
specularis, Dosinia specularis Römer, 1860 - syn of: Dosinia scabriuscula (Philippi, 1847)
speighti, Bassina speighti (Suter, 1913) † (FOSSIL)
spenceri, Chione spenceri Mansfield, 1938 † - syn of: Chionopsis bainbridgensis (Dall, 1916) † (FOSSIL)
sphaericula, Tawera sphaericula (Deshayes, 1853)
sphaericula, Pelecyora sphaericula (Römer, 1862)
sphaericula, Hysteroconcha sphaericula Deshayes, 1853 - syn of: Tawera sphaericula (Deshayes, 1853)
sphaericula, Chamelea sphaericula Deshayes, 1853 - syn of: Tawera sphaericula (Deshayes, 1853)
sphaerisulca, Venus sphaerisulca Reeve, 1863 - syn of: Tawera sphaericula (Deshayes, 1853)
sphenarium, Tivelina sphenarium (Bayan, 1873) † (FOSSIL)
sphragitis, Lioconcha sphragitis Römer, 1864 - syn of: Lioconcha trimaculata (Lamarck, 1818)
spiekeri, Chionopsis spiekeri Olsson, 1932 † (FOSSIL)
spinifera, Chamelea spinifera Brown, 1827 - syn of: Myrtea spinifera (Montagu, 1803)
spinifera, Venus spinifera Montagu, 1803 - syn of: Myrtea spinifera (Montagu, 1803)
spissa, Tawera spissa (Deshayes, 1835)
spissa, Venus spissa Deshayes, 1835 - syn of: Tawera spissa (Deshayes, 1835)
splendida, Callista splendida Mérian, 1860
splendida, Cyclina splendida Römer, 1860 - syn of: Cyclina flavida Deshayes, 1853
spoori, Hyphantosoma spoori (Lamprell & Whitehead, 1990)
spoori, Pitar spoori Lamprell & Whitehead, 1990 - syn of: Hyphantosoma spoori (Lamprell & Whitehead, 1990)
springvalensis, Chione springvalensis Vokes, 1938 † (FOSSIL)
spuma, Callista spuma (Röding, 1798)
spurca, Venus spurca Sowerby, 1835 - syn of: Tawera spissa (Deshayes, 1835)
squalida, Megapitaria squalida (Sowerby, 1835)
squalida, Macrocallista squalida Sowerby, 1835 - syn of: Megapitaria squalida (Sowerby, 1835)
squalida, Periglypta squalida Sowerby, 1835 - syn of: Megapitaria squalida (Sowerby, 1835)
squalida, Callista squalida Sowerby, 1835 - syn of: Megapitaria squalida (Sowerby, 1835)
squalida biradiata, Megapitaria squalida biradiata (Gray, 1838)
squalida chionacea, Megapitaria squalida chionacea (Menke, 1847)
squalidus, Saxidomus squalidus Deshayes, 1853 - syn of: Saxidomus nuttalli Conrad, 1837
squamosa, Chioneryx squamosa (Carpenter, 1857)
squamosa, Anomalodiscus squamosa (Linnaeus, 1758)
squamosa, Chione squamosa Carpenter, 1857 - syn of: Chioneryx squamosa (Carpenter, 1857)
squamosa, Tapes squamosa Carpenter, 1857 - syn of: Chioneryx squamosa (Carpenter, 1857)
squamosa, Timoclea squamosa Carpenter, 1857 - syn of: Chioneryx squamosa (Carpenter, 1857)
squamosa, Venus squamosa Linnaeus, 1758 - syn of: Anomalodiscus squamosa (Linnaeus, 1758)
staadti, Timoclea staadti Fischer-Piette & Vukadinovic, 1977 - syn of: Timoclea cochinensis (Sowerby, 1853)
stabilis, Dosinia stabilis (Iredale, 1929)
stalderi, Pitar stalderi Clark, 1915 - syn of: Amiantis callosa (Conrad, 1837)
stalderi, Pitar stalderi Clark, 1915 - syn of: Amiantis callosa (Conrad, 1837)
staleyi, Protothaca staleyi Gabb, 1886 † - syn of: Leukoma staminea (Conrad, 1837) (FOSSIL)
staminea, Leukoma staminea (Conrad, 1837)
staminea, Paphia staminea Conrad, 1837 - syn of: Leukoma staminea (Conrad, 1837)
staminea, Venerupis staminea Conrad, 1837 - syn of: Leukoma staminea (Conrad, 1837)
staminea, Venus staminea Conrad, 1837 - syn of: Leukoma staminea (Conrad, 1837)
staminea, Periglypta staminea Conrad, 1838 - syn of: Leukoma staminea (Conrad, 1837)
staminea, Grateloupia staminea Des Moulins, 1828 † (FOSSIL)
staminea euglypta, Protothaca staminea euglypta Sowerby, 1914 - syn of: Leukoma euglypta (Sowerby, 1914)
staminea orbella, Venus staminea orbella Carpenter, 1864 - syn of: Leukoma staminea (Conrad, 1837)
staminea spatiosa, Protothaca staminea spatiosa Dall, 1916 - syn of: Leukoma laciniata (Carpenter, 1864)
staminea sulculosa, Venus staminea sulculosa Dall, 1902 - syn of: Leukoma staminea (Conrad, 1837)
stantoni, Macrocallista stantoni Waring, 1917 † (FOSSIL)
stefaninii, Tivela stefaninii (Nardini, 1933)
stefaninii, Gratelupia stefaninii Nardini, 1933 - syn of: Tivela stefaninii (Nardini, 1933)
steinekei, Costacallista steinekei Clark & Durham, 1946 † (FOSSIL)
stellae, Petricola stellae Narchi, 1975 - syn of: Petricolaria serrata (Deshayes, 1853)
stellata, Venus stellata Gmelin, 1791 - syn of: Glycymeris stellata (Bruguière, 1789)
stephensae, Psephidia stephensae Hertlein & Grant, 1972 - syn of: Nutricola cymata (Dall, 1913)
stephensae, Gafrarium stephensae Jordan, 1936 - syn of: Gouldia californica Dall, 1917
stewarti, Compsomyax stewarti Clark & Durham, 1946 † (FOSSIL)
stewartvillensis, Dosiniopsis stewartvillensis Clark & Woodford, 1927 † (FOSSIL)
stimpsoni, Mercenaria stimpsoni (Gould, 1861)
stimpsoni, Pitar stimpsoni Dall, 1895 - syn of: Pitar simpsoni (Dall, 1895)
stimpsoni, Transennella stimpsoni Dall, 1902
stimpsoni, Mercenaria stimpsoni Deshayes, 1863 † (FOSSIL)
stoffelsi, Sunetta stoffelsi (Nyst, 1843) † (FOSSIL)
strangei, Clementia strangei Deshayes, 1854 - syn of: Clementia papyracea (Gmelin, 1791)
striata, Pleiorytis striata (Conrad, 1833) † (FOSSIL)
striata, Petricola striata Bellevue, 1802 - syn of: Petricola lithophaga (Retzius, 1788)
striata, Venus striata Gmelin, 1791 - syn of: Marcia japonica (Gmelin, 1791)
striata, Meretrix striata Gray
striata, Circe striata Locard, 1892 - syn of: Gouldia minima (Montagu, 1803)
striatissima, Chione striatissima Sowerby, 1852 - syn of: Dosinia lucinalis (Lamarck, 1818)
striatissima, Artemis striatissima Sowerby, 1852 - syn of: Dosinia lucinalis (Lamarck, 1818)
striatissima, Venus striatissima Sowerby, 1853 - syn of: Chioneryx cardioides (Lamarck, 1818)
striatocostata, Pullastra striatocostata M'Coy, 1847 † (FOSSIL)
striatolamellata, Eurhomalea striatolamellata (Ihering, 1897) † (FOSSIL)
striatula, Chamelea striatula (Da Costa, 1778)
striatula, Venerella striatula (Deshayes, 1825) † (FOSSIL)
striatula subglobosa, Venerella striatula subglobosa (D'Orbigny, 1850) † (FOSSIL)
striatus, Pitar striatus (Gray, 1838)
strigillina, Globivenus strigillina (Dall, 1902)
strigillinus, Circomphalus strigillinus Dall, 1902
strigosa, Venus strigosa Lamarck, 1818 - syn of: Katelysia scalarina (Lamarck, 1818)
stultorum, Tivela stultorum (Mawe, 1823)
stutchburii, Venus stutchburii Wood, 1828 - syn of: Austrovenus stutchburyi (Wood, 1828)
stutchburyi, Austrovenus stutchburyi (Wood, 1828)
stutzeri, Venus stutzeri Donovan, 1824 - syn of: Circe scripta (Linnaeus, 1758)
subaequilateralis, Leukoma subaequilateralis Fischer-Piette, 1969 - syn of: Leukoma metodon (Pilsbry & Lowe, 1932)
subalata, Dosinia subalata Smith, 1916
subalbicans, Venus subalbicans Hupé, 1854 - syn of: Eurhomalea exalbida (Dillwyn, 1817)
subanaloga, Meretrix subanaloga (Dufour, 1881) † (FOSSIL)
subaniwana, Liocyma subaniwana Khomenko, 1931 - syn of: Liocyma fluctuosa (Gould, 1841)
subarata, Nitidavenus subarata (Sandberger, 1861) † (FOSSIL)
subarestus, Pitar subarestus Dall, 1912
subcordata, Chamelea subcordata Brown, 1827 - syn of: Chamelea striatula (Da Costa, 1778)
subcordata, Venus subcordata Montagu, 1803 - syn of: Venus verrucosa Linnaeus, 1758
subcrassa, Rhabdopitaria subcrassa Palmer, 1927 † (FOSSIL)
subdecussata, Venerupis subdecussata Deshayes, 1853 - syn of: Notopaphia grisea (Lamarck, 1818)
subdiaphana, Compsomyax subdiaphana (Carpenter, 1864)
subdiaphana, Cooperella subdiaphana (Carpenter, 1864)
subdiaphana, Clementia subdiaphana Carpenter, 1864 - syn of: Compsomyax subdiaphana (Carpenter, 1864)
subdiaphana pedroana, Callista subdiaphana pedroana Arnold, 1903 - syn of: Compsomyax subdiaphana (Carpenter, 1864)
subdichotoma, Dosinia subdichotoma Dunker, 1865 - syn of: Dosinia fibula (Reeve, 1850)
suberycinoides, Costacallista suberycinoides (Deshayes, 1825) † (FOSSIL)
subexentrica, Chione subexentrica (Orbigny, 1852) † (FOSSIL)
subglobosa, Venerella striatula subglobosa D'Orbigny (FOSSIL)
subglobosa, Tivela subglobosa Dunker, 1864 - syn of: Tivela mactroides (Born, 1778)
subheberti, Meretrix subheberti (Dufour, 1881) † (FOSSIL)
subimbricata, Venus subimbricata Sowerby, 1835 - syn of: Chione subimbricata Sowerby, 1835
subimbricata, Chione subimbricata Sowerby, 1835
subimpressa, Meretrix subimpressa Conrad, 1848 † (FOSSIL)
subinflata, Periglypta subinflata Sowerby, 1851 - syn of: Pitar laetus (Poli, 1791)
submercenaria, Venus submercenaria Palmer, 1927 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
submortoni, Venus submortoni D'Orbigny, 1852 - syn of: Mercenaria campechiensis (Gmelin, 1791)
submultistriata, Periglypta submultistriata (Tate, 1887) † (FOSSIL)
subnasuta, Agriopoma subnasuta (Conrad, 1841) † (FOSSIL)
subnitidula, Meretrix subnitidula (Orbigny, 1852) † (FOSSIL)
subnodulosa, Timoclea subnodulosa (Hanley, 1845)
subobliqua, Pitar subobliqua (Orbigny, 1850) † (FOSSIL)
suboblonga, Dosina suboblonga Marwick, 1927 † (FOSSIL)
suborbicularis, Pelecyora polytropa suborbicularis Goldfuss (FOSSIL)
subpellucidus, Pitar subpellucidus (Sowerby, 1851)
subpenicillata, Dosina subpenicillata Vredenburg, 1928 † (FOSSIL)
subplicata, Chione subplicata (Orbigny, 1852) † (FOSSIL)
subpusilla, Gouldia subpusilla D'Orbigny, 1850 † (FOSSIL)
subquadrangularis, Tivelina subquadrangularis Cossmann & Pissarro, 1905 † (FOSSIL)
subquadrata, Cyclinella subquadrata (Hanley, 1844)
subquadrata, Sunetta subquadrata (Sowerby, 1851)
subquadrata, Mysia subquadrata Gabb, 1873 † - syn of: Diplodonta puncturella (Dall, 1899) † (FOSSIL)
subquadrata, Dosinia hepatica subquadrata Krauss
subquadrata, Meroe subquadrata Sowerby, 1851 - syn of: Sunetta subquadrata (Sowerby, 1851)
subquadrata, Tapes subquadrata Sowerby, 1852 - syn of: Lajonkairia lajonkairii (Payraudeau, 1826)
subquadrata quitana, Cyclinella subquadrata quitana Olsson, 1922
subroborata, Chione subroborata Tate, 1887 † (FOSSIL)
subrosalina, Venus subrosalina Tomlin, 1923
subrosea, Dosinia subrosea (Gray, 1835)
subrostrata, Leukoma subrostrata (Lamarck, 1818)
subrostrata, Venus subrostrata Bory De Saint-Vincent, 1827 - syn of: Antigona lamellaris Schumacher, 1817
subrostrata, Venus subrostrata Lamarck, 1818 - syn of: Leukoma subrostrata (Lamarck, 1818)
subrotunda, Calva subrotunda (J. de C. sowerby) † (FOSSIL)
subrugosa, Anomalocardia subrugosa (Wood, 1828) - syn of: Anomalocardia subrugosa Wood, 1828
subrugosa, Anomalocardia subrugosa Manger, 1934 - syn of: Globivenus fordii (Yates, 1890)
subrugosa, Anomalocardia subrugosa Wood, 1828
subscobinellata, Marcia subscobinellata (Dufour, 1881) † (FOSSIL)
subspadicea, Timoclea subspadicea (Cossmann, 1895) † (FOSSIL)
substriata, Lajonkairia substriata (Montagu, 1808)
subsulcata, Tawera subsulcata (Suter, 1905) † (FOSSIL)
subtexta, Marcia subtexta (Dufour, 1881) † (FOSSIL)
subtrigona, Meretrix subtrigona (Dunker, 1857)
subtrigona, Dorisca subtrigona (Zhuang, 1964)
subtrigona, Circe subtrigona Carpenter, 1857 - syn of: Neolepton subtrigonum (Carpenter, 1857)
subtrigona, Gouldia subtrigona Zhuang, 1964 - syn of: Dorisca subtrigona (Zhuang, 1964)
subulata, Dosinia subulata Smith, 1916 - syn of: Dosinia subalata Smith, 1916
subviridis, Venus subviridis Gmelin, 1791 - syn of: Galatea paradoxa (Born, 1780)
succincta, Chione succincta Valenciennes, 1821 - syn of: Chione californiensis (Broderip, 1835)
succincta, Venus succincta Valenciennes, 1821 - syn of: Chione californiensis (Broderip, 1835)
suessioniensis, Pitar suessioniensis (Deshayes) † (FOSSIL)
sugillata, Venus sugillata Reeve, 1863 - syn of: Chione undatella (Sowerby, 1835)
sulcarius, Tapes sulcarius (Lamarck, 1818)
sulcarius deshayesii, Tapes sulcarius deshayesii (Hanley, 1844)
sulcata, Redicirce sulcata (Gray, 1838)
sulcata, Aphrodora sulcata (Zorina, 1978)
sulcata, Chamelea sulcata Brown, 1827 - syn of: Chamelea striatula (Da Costa, 1778)
sulcata, Chione sulcata Gabb, 1860 † (FOSSIL)
sulcata, Circe sulcata Gray, 1838 - syn of: Redicirce sulcata (Gray, 1838)
sulcata, Petricola sulcata Lamarck, 1801 - syn of: Petricola lithophaga (Retzius, 1788)
sulcataria, Pitar sulcataria (Deshayes, 1825) † (FOSSIL)
sulcataria perscita, Pitar sulcataria perscita Berezovski † (FOSSIL)
sulcatina, Lioconcha sulcatina (Lamarck, 1818)
sulcatorius, Pitar sulcatorius (Deshayes, 1825) † (FOSSIL)
sulcifera, Atamarcia sulcifera Marwick, 1927 † (FOSSIL)
sulcosa, Paphia sulcosa (Philippi, 1847)
sulcosa, Venus sulcosa Philippi, 1847 - syn of: Paphia sulcosa (Philippi, 1847)
sulcosa inflata, Tapes sulcosa inflata Sowerby, 1853 - syn of: Paphia inflata (Deshayes, 1853)
sulfureus, Pitar sulfureus Pilsbry, 1904
sumatranus, Tapes sumatranus Thiele & Jaeckel, 1931 - syn of: Paphia textile (Gmelin, 1791)
summersae, Atamarcia summersae (Beu, 1970) † (FOSSIL)
sunettina, Sunetta sunettina (Jousseaume, 1891)
sunettina, Sunettina sunettina Jousseaume, 1891 - syn of: Sunetta sunettina (Jousseaume, 1891)
superba, Venus superba Guppy, 1875 - syn of: Irus crenatus (Lamarck, 1818)
suppositrix, Cytherea suppositrix Menke, 1850 - syn of: Lamelliconcha concinna (Sowerby, 1835)
suteri, Dosinia suteri Marwick, 1927 † (FOSSIL)
swenneni, Protapes swenneni Huber, 2010
taberi, Chione undatella taberi Parker
taffi, Larma taffi (Cragin, 1893) † (FOSSIL)
tahitensis, Pitar tahitensis (Philippi, 1851)
tahitensis, Periglypta tahitensis Philippi, 1851 - syn of: Pitar tahitensis (Philippi, 1851)
taiwanensis, Costellipitar taiwanensis (Yokoyama) † (FOSSIL)
talovajensis, Macrocallista talovajensis Krishtofovich, 1969 † - syn of: Macrocallista olgensis Ilyina, 1963 † (FOSSIL)
tamakiensis, Austrovenus tamakiensis (Marwick, 1948) † (FOSSIL)
tamiamensis, Periglypta tamiamensis Olsson & Petit, 1964 † (FOSSIL)
tantilla, Nutricola tantilla (Gould, 1853)
tantillus, Venus tantillus Gould, 1853 - syn of: Nutricola tantilla (Gould, 1853)
tapina, Callocardia tapina Cossmann, 1886 † (FOSSIL)
tarquinia, Periglypta tarquinia (Dall, 1900) † (FOSSIL)
tasmanica, Clementia tasmanica Petterd, 1884 - syn of: Kyrina rubiginosa (Adams & Angas, 1864)
tasmanica, Venus tasmanica Reeve, 1864 - syn of: Tawera gallinula (Lamarck, 1818)
tasmanica, Gouldia tasmanica Tenison-Woods, 1876 - syn of: Myochama tasmanica (Tenison-Woods, 1876)
tatei, Paleomarcia tatei Fletcher, 1938 † (FOSSIL)
tauyensis, Pseudamiantis tauyensis (Yokoyama, 1927) † (FOSSIL)
tebblei, Dosinia tebblei Fischer-Piette & Delmas, 1967
tecta, Notocallista tecta Marwick, 1938 † (FOSSIL)
tegulum, Chionopsis tegulum (Brown & Pilsbry, 1911) † (FOSSIL)
tegulum, Chione tegulum Brouwn & Pilsbry, 1911 † (FOSSIL)
tegulum dauleana, Chionopsis tegulum dauleana Marks, 1951
tehuelcha, Venus tehuelcha D'Orbigny, 1846 - syn of: Pitar patagonicus (D'Orbigny, 1842)
tejonensis, Nitidavenus tejonensis (Waring, 1914) † (FOSSIL)
tellimyalis, Rupellaria tellimyalis (Carpenter, 1864)
tellimyalis, Psephis tellimyalis Carpenter, 1864 - syn of: Neolepton subtrigonum (Carpenter, 1857)
tellinaeformis, Venus tellinaeformis Philippi, 1847 - syn of: Costellipitar cor (Hanley, 1844)
tellinaria, Tivelina tellinaria Lamarck, 1906 † (FOSSIL)
tellinoidea, Pitar tellinoidea Sowerby, 1851 - syn of: Costellipitar cor (Hanley, 1844)
temblorensis, Chionopsis temblorensis (Anderson, 1905) † (FOSSIL)
tenella, Dosinia tenella Römer, 1860
tenerrima, Callithaca tenerrima (Carpenter, 1857)
tenerrima, Tapes tenerrima Carpenter, 1857 - syn of: Callithaca tenerrima (Carpenter, 1857)
tenerrima, Protothaca tenerrima Carpenter, 1857 - syn of: Callithaca tenerrima (Carpenter, 1857)
tenerrima alta, Paphia tenerrima alta Waterfall, 1929 - syn of: Callithaca tenerrima (Carpenter, 1857)
tenorii, Venus tenorii Costa, 1829 - syn of: Venerupis corrugata (Gmelin, 1791)
tenue, Hyphantosoma tenue Raines & Huber, 2012
tenuilamellata, Dosinia tenuilamellata Sowerby, 1852 - syn of: Dosinia tumida (Gray, 1838)
tenuilamellata, Venus tenuilamellata Sowerby, 1853 - syn of: Mercenaria campechiensis (Gmelin, 1791)
tenuilirata, Dosinia tenuilirata Dunker, 1865
tenuis, Callistotapes tenuis (Deshayes) † (FOSSIL)
tenuis, Cyclinella tenuis (Récluz, 1852)
tenuis, Cyclinella tenuis (Recluz, 1852) † (FOSSIL)
tenuis, Periglypta tenuis (Tate, 1887) † (FOSSIL)
tenuis, Dosinia tenuis Récluz, 1852 - syn of: Cyclinella tenuis (Récluz, 1852)
tenuis, Petricola tenuis Sowerby, 1834 - syn of: Petricola rugosa Sowerby, 1834
tenuistriata, Tapes tenuistriata Sowerby, 1852 - syn of: Marcia carneola (Lamarck, 1818)
tersa, Notocallista tersa Marwick, 1938 † (FOSSIL)
tessellata, Venus tessellata Adams & Reeve, 1850 - syn of: Venerupis philippinarum (Adams & Reeve, 1850)
testudinalis, Cytherea testudinalis Lamarck, 1818 - syn of: Gafrarium divaricatum (Gmelin, 1791)
tetrica, Venus tetrica Conrad, 1838 - syn of: Mercenaria campechiensis (Gmelin, 1791)
texacola, Calpitaria texacola (Harris, 1895) † (FOSSIL)
texana, Mercenaria texana (Dall, 1902)
texangelina, Rhabdopitaria texangelina Stenzel & al., 1957 † (FOSSIL)
texasiana, Agriopoma texasiana (Dall, 1892)
texasiana, Periglypta texasiana Dall, 1892 - syn of: Agriopoma texasiana (Dall, 1892)
texasiana, Callocardia texasiana Dall, 1892 - syn of: Agriopoma texasiana (Dall, 1892)
texibrazus, Calpitaria texibrazus Stenzel & al., 1957 † (FOSSIL)
texitrina, Katherinella texitrina Stenzel & al., 1957 † (FOSSIL)
texta, Kyrina texta (Deshayes, 1853)
texta, Katelysia texta (Lamarck, 1806) † (FOSSIL)
textile, Paphia textile (Gmelin, 1791)
textrix, Venus textrix Deshayes, 1853 - syn of: Paphia textile (Gmelin, 1791)
textrix, Tapes textrix Reeve, 1864 - syn of: Paphia textile (Gmelin, 1791)
texturata, Venus texturata Lamarck, 1818 - syn of: Polititapes aureus (Gmelin, 1791)
thaanumi, Samarangia thaanumi Kuroda, 1945 - syn of: Samarangia quadrangularis (Adams & Reeve, 1850)
thaca, Leukoma thaca (Molina, 1782)
thaca, Protothaca thaca Molina, 1782 - syn of: Leukoma thaca (Molina, 1782)
thiara, Venus thiara Sowerby, 1834 - syn of: Placamen lamellatum (Röding, 1798)
thomassini, Venus thomassini Fischer-Piette & Vukadinovic, 1977
thomsoni, Eumarcia thomsoni Marwick, 1927 † (FOSSIL)
thorae, Callocardia guttata thorae Vokes
thori, Dosinia acetabulum thori Ward (FOSSIL)
thornleyae, Pitar thornleyae Lamprell & Healy, 1997
thouarsii, Venus thouarsii Valenciennes, 1846 - syn of: Periglypta multicostata (Sowerby, 1835)
tia, Macrocallista tia Kellum, 1926 † (FOSSIL)
tiara, Venus tiara Dillwyn, 1817 - syn of: Placamen lamellatum (Röding, 1798)
tiara, Placamen tiara Dillwyn, 1817 - syn of: Placamen lamellatum (Röding, 1798)
tigerina, Venus tigerina auct. non Linnaeus, 1758 - syn of: Codakia distinguenda (Tryon, 1872)
tigilensis, Pitar tigilensis Krishtofovich, 1947 † - syn of: Katherinella arnoldi (Weaver, 1916) † (FOSSIL)
tigrina, Lioconcha tigrina (Lamarck, 1818)
tigris, Meretrix tigris Lai & Nien, 2008
tippana, Aphrodina tippana (Conrad, 1858) † (FOSSIL)
titan, Dosinia titan Maury, 1925 - syn of: Dosinia ponderosa Gray, 1838
tjuschevkensis, Macrocallista tjuschevkensis Khomenko, 1969 † (FOSSIL)
tomeana, Pitar tomeana Dall, 1902 - syn of: Agriopoma tomeanum (Dall, 1902)
tomeanum, Agriopoma tomeanum (Dall, 1902)
tomlini, Tivela tomlini Haughton, 1932 - syn of: Tivela compressa (Sowerby, 1851)
toreuma, Globivenus toreuma (Gould, 1850)
toreuma, Venus toreuma Gould, 1850 - syn of: Globivenus toreuma (Gould, 1850)
toreuma, Globivenus toreuma Singer & Mienis, 1995 - syn of: Globivenus orientalis (Cox, 1930)
tornadonis, Calpitaria tornadonis Harris, 1919 † (FOSSIL)
torresiana, Tawera torresiana (Smith, 1884)
torresiana, Venus torresiana Smith, 1884 - syn of: Tawera torresiana (Smith, 1884)
torresica, Hysteroconcha torresica Reeve, 1863 - syn of: Pitar subpellucidus (Sowerby, 1851)
torrida, Dosinia torrida Reeve, 1850 - syn of: Dosinia orbignyi Dunker, 1845
tortuosa, Lamelliconcha tortuosa (Broderip, 1835)
tottenii, Venus tottenii Stimpson, 1860 - syn of: Gemma gemma (Totten, 1834)
traftoni, Chione traftoni Broderip, 1835 - syn of: Chionopsis ornatissima (Broderip, 1835)
traftoni, Macrocallista traftoni Olsson, 1942
traftoni, Chionopsis traftoni Pilsbry & Olsson, 1941 † (FOSSIL)
trailli, Dosinia trailli Adams, 1856
tranquebarica, Dosinia tranquebarica Fischer-Piette, 1977
tranquilla, Nitidavenus tranquilla (Deshayes, 1857) † (FOSSIL)
transfusa, Acritopaphia transfusa Iredale, 1936 - syn of: Paphia inflata (Deshayes, 1853)
transversa, Tivela transversa (Sowerby, 1897)
transversalis, Anomalocardia transversalis Adams, 1872 - syn of: Anadara antiquata (Linnaeus, 1758)
transversaria, Circe transversaria Deshayes, 1854 - syn of: Gafrarium divaricatum (Gmelin, 1791)
trapezoidalis, Venus trapezoidalis Kurtz, 1860 - syn of: Chioneryx grus (Holmes, 1858)
trevori, Pitar trevori Lamprell & Whitehead, 1990
triangularis, Grateloupia triangularis (Basterot, 1825) † (FOSSIL)
triangularis, Venus triangularis Montagu, 1803 - syn of: Gouldia minima (Montagu, 1803)
tricolor, Venus tricolor Broderip & Sowerby, 1835 - syn of: Leukoma grata (Say, 1831)
tricuspis, Tapes tricuspis (Eichwald, 1829) † (FOSSIL)
tridacnoides, Venus tridacnoides Gmelin, 1791 - syn of: Mercenaria campechiensis (Gmelin, 1791)
tridacnoides, Mercenaria campechiensis tridacnoides Lamarck
trigona, Pelecyora trigona (Reeve, 1850)
trigona, Tivela trigona Borchert, 1901 - syn of: Tivela dentaria (Lamarck, 1818)
trigona, Dosinia trigona Dautzenberg, 1923 - syn of: Costellipitar madecassinus (Fischer-Piette & Delmas, 1967)
trigona, Dosinia trigona Reeve, 1850 - syn of: Pelecyora trigona (Reeve, 1850)
trigona, Cytherea trigona Reeve, 1864 - syn of: Meretrix attenuata Dunker, 1863
trigonalis, Rohea trigonalis (Marwick, 1927) † (FOSSIL)
trigonella, Tivela trigonella (Lamarck, 1818)
trigonoovata, Callista trigonoovata Scarlato, 1980 - syn of: Ezocallista brevisiphonata (Carpenter, 1864)
trigonula, Meroena trigonula (Deshayes, 1825) † (FOSSIL)
trimaculata, Lioconcha trimaculata (Lamarck, 1818)
trimeris, Lirophora trimeris Gardner, 1947 † (FOSSIL)
trinitatis, Katherinella trinitatis Stenzel & al., 1957 † (FOSSIL)
tripla, Tivela tripla (Linnaeus, 1758)
tripla, Pelecyora tripla (Römer, 1860)
triquetra, Parastarte triquetra (Conrad, 1846)
triradiata, Venus triradiata Anton, 1838 - syn of: Anomalocardia subrugosa Wood, 1828
triradiata, Venus triradiata Gmelin, 1791 - syn of: Marcia opima (Gmelin, 1791)
tristis, Venus tristis Lamarck, 1818 - syn of: Marcia japonica (Gmelin, 1791)
troglodytes, Venus troglodytes Mörch, 1861 - syn of: Chioneryx squamosa (Carpenter, 1857)
troscheli, Dosinia troscheli Lischke, 1873
truncata, Sunetta truncata (Deshayes, 1853)
truncata, Venus truncata Lamarck, 1818 - syn of: Venerupis decussata (Linnaeus, 1758)
truncata, Dosinia truncata Zhuang, 1964
tuberosa, Venus tuberosa Deshayes, 1853 - syn of: Venus verrucosa Linnaeus, 1758
tugaruana, Dosinia tugaruana Nomura, 1935 † (FOSSIL)
tumbezana, Agriopoma tumbezana Olsson, 1932 † (FOSSIL)
tumefacta, Circe tumefacta Sowerby, 1851
tumefacta, Circe tumefacta Sowerby, 1851 - syn of: Circe tumefacta Sowerby, 1851
tumefacta lenticularis, Circe tumefacta lenticularis Deshayes, 1853
tumens, Pitar tumens (Gmelin, 1791)
tumens, Chione tumens Verrill, 1870
tumida, Dosinia tumida (Gray, 1838)
tumida, Marama tumida (Marshall, 1918) † (FOSSIL)
tumida, Mysia tumida Adams, 1871 - syn of: Lajonkairia elegans (Adams, 1870)
tumida, Tapes tumida Carpenter, 1857 - syn of: Leukoma staminea (Conrad, 1837)
tumida, Tapes tumida Sowerby, 1852 - syn of: Leukoma staminea (Conrad, 1837)
tumida, Venerupis tumida Sowerby, 1854 - syn of: Irus reflexus (Gray, 1843)
tumida, Petricola tumida Verrill, 1872 - syn of: Petricolaria pholadiformis (Lamarck, 1818)
tumidissima, Sunetta tumidissima Tomlin, 1922 - syn of: Sunetta solanderii (Gray, 1825)
tumidum, Gafrarium pectinatum tumidum Röding
tumidum, Gafrarium tumidum Röding, 1798 - syn of: Gafrarium pectinatum tumidum Röding, 1798
tumidus, Costellipitar tumidus (Sowerby, 1895)
tumidus, Pitar tumidus Sowerby, 1895 - syn of: Costellipitar tumidus (Sowerby, 1895)
turgens, Venus turgens Dillwyn, 1817 - syn of: Tivela mactroides (Born, 1778)
turgescens, Venus turgescens Deshayes, 1857 † (FOSSIL)
turgida, Dosinia turgida (Reeve, 1850)
turgida, Venus turgida Lamarck, 1818 - syn of: Tapes conspersus (Gmelin, 1791)
turgidula, Tapes turgidula Deshayes, 1853 - syn of: Tapes conspersus (Gmelin, 1791)
turgidula, Tapes turgidula Reeve, 1864 - syn of: Protapes monstrosus (Römer, 1870)
typica, Petricola typica Jonas, 1844 - syn of: Choristodon robustus (Sowerby, 1834)
typica, Petricola typica Sowerby, 1892 - syn of: Petricola bicolor Sowerby, 1854
typicum, Choristodon typicum Jonas, 1844 - syn of: Choristodon robustus (Sowerby, 1834)
uandiensis, Pitar uandiensis Lautenschläger, 1990 † - syn of: Neogenella uandiensis Lautenschläger, 1990 † (FOSSIL)
ucuttana, Globivenus ucuttana (Dall, 1903) † (FOSSIL)
ugolnensis, Costacallista ugolnensis Devjatilova, 1981 † (FOSSIL)
ulloana, Cyclinella ulloana Hertlein & Strong, 1948
ulocyma, Panchione ulocyma (Dall, 1895) † (FOSSIL)
umbonella, Callista umbonella (Lamarck, 1818)
umbonella, Periglypta umbonella Lamarck, 1818 - syn of: Callista umbonella (Lamarck, 1818)
umbonella, Meretrix umbonella Lamarck, 1818 - syn of: Callista umbonella (Lamarck, 1818)
umbonella nivea, Callista umbonella nivea Hanley, 1843
undata, Meretrix undata (Basterot, 1825) † (FOSSIL)
undata, Mysia undata (Pennant, 1777)
undata aequalis, Mysia undata aequalis Jeffreys, 1864 - syn of: Mysia undata (Pennant, 1777)
undata ventrosa, Mysia undata ventrosa Jeffreys, 1864 - syn of: Mysia undata (Pennant, 1777)
undatella, Chione undatella (Sowerby, 1835)
undatella, Venus undatella Sowerby, 1835 - syn of: Chione undatella (Sowerby, 1835)
undatella neglecta, Chione undatella neglecta (Sowerby, 1835)
undatella taberi, Chione undatella taberi Parker, 1949
undatina, Circe undatina (Lamarck, 1818)
undatostriata, Periglypta undatostriata Orcutt, 1885 - syn of: Chione californiensis (Broderip, 1835)
undulata, Paphia undulata (Born, 1778)
undulata, Venus undulata Dillwyn, 1817 - syn of: Paphia textile (Gmelin, 1791)
undulata, Circe undulata Locard, 1892 - syn of: Gouldia minima (Montagu, 1803)
undulata, Periglypta undulata Sowerby, 1851 - syn of: Tivela planulata (Broderip & Sowerby, 1830)
undulifera, Meretrix undulifera Cossmann, 1906 † (FOSSIL)
undulosa, Gomphina undulosa (Lamarck, 1818)
undulosa, Venus undulosa Lamarck, 1818 - syn of: Gomphina undulosa (Lamarck, 1818)
unicolor, Lamelliconcha unicolor (Sowerby, 1835)
usiacurina, Lirophora usiacurina Weisbord, 1929 † (FOSSIL)
ustulata, Hysteroconcha ustulata Reeve, 1863 - syn of: Pitar citrinus (Lamarck, 1818)
uttleyi, Dosina uttleyi (Marwick, 1927) † (FOSSIL)
vaga, Marama vaga Marwick, 1927 † (FOSSIL)
vaginacarum, Calpitaria vaginacarum Wrigley, 1925 † (FOSSIL)
vaginalis, Sunetta vaginalis (Menke, 1843)
valae, Tivela valae Lussi, 1996
valdiviae, Venus valdiviae Thiele & Jaeckel, 1931 - syn of: Timoclea lionota (Smith, 1885)
valida, Pitar parisiensis valida Berezovsky (FOSSIL)
vandermeermohri, Paphia vandermeermohri Oostingh, 1935 † (FOSSIL)
vanwinkleae, Hysteroconcha rosea vanwinkleae Olsson
vaquerosensis, Saxidomus vaquerosensis Arnold, 1909 † (FOSSIL)
varia, Circenita varia (Forsskål, 1775)
varia, Venus varia Forsskål, 1775 - syn of: Circenita varia (Forsskål, 1775)
variabilis, Chionopsis variabilis (Nelson, 1870) † (FOSSIL)
variabilis, Venus variabilis Broderip & Sowerby, 1835 - syn of: Gomphina undulosa (Lamarck, 1818)
variabilis, Venus variabilis Philippi, 1844 - syn of: Marcia recens (Holten, 1802)
varians, Gouldia varians Carpenter, 1857 - syn of: Crassinella varians (Carpenter, 1857)
varians, Calva varians Gabb, 1864 † - syn of: Loxo quintense Saul, 1993 † (FOSSIL)
varians, Periglypta varians Hanley, 1844 - syn of: Pitar fulminatus (Menke, 1828)
varicosa, Venus varicosa Sowerby, 1853 - syn of: Lirophora latilirata (Conrad, 1841)
variegata, Dosinia variegata (Gray, 1838)
variegata, Paphia variegata Sowerby, 1852 - syn of: Venerupis aspera (Quoy & Gaimard, 1835)
variegata, Venerupis variegata Sowerby, 1852 - syn of: Venerupis aspera (Quoy & Gaimard, 1835)
variegatum, Pitar variegatum Kuroda, Habe & Oyama, 1971 - syn of: Pitar inflatus (Sowerby, 1851)
variegatus, Ruditapes variegatus Sowerby, 1852 - syn of: Venerupis aspera (Quoy & Gaimard, 1835)
variegatus, Tapes variegatus Sowerby, 1852 - syn of: Venerupis aspera (Quoy & Gaimard, 1835)
variegatus kioroshiensis, Tapes variegatus kioroshiensis Hirayama & Ando, 1954 † - syn of: Venerupis aspera kioroshiensis Hirayama & Ando, 1954 † (FOSSIL)
variopicta, Venus variopicta Bianconi, 1856 - syn of: Tapes sulcarius (Lamarck, 1818)
vatheleti, Clementia papyracea vatheleti Mabille
vatheliti, Clementia vatheliti Mabille, 1901 - syn of: Clementia papyracea (Gmelin, 1791)
veatchiana, Chione veatchiana Maury, 1912 † (FOSSIL)
vellicata, Kuia vellicata (Hutton, 1873) † (FOSSIL)
venadensis, Chione venadensis Pilsbry & Olsson, 1941 † (FOSSIL)
venadoensis, Chionopsis venadoensis Pilsbry & Olsson, 1941
veneriformis, Macridiscus veneriformis (Lamarck) † (FOSSIL)
veneris, Hysteroconcha veneris Deshayes, 1853 - syn of: Hysteroconcha dione (Linnaeus, 1758)
venetiana, Periglypta venetiana Lamarck, 1818 - syn of: Pitar rudis (Poli, 1795)
venezuelana, Cyclinella venezuelana Hodson, 1927 † - syn of: Cyclinella cyclica (Guppy, 1866) † (FOSSIL)
ventricosa, Tivela ventricosa (Gray, 1838)
ventricosa, Petricola ventricosa Deshayes, 1853 - syn of: Petricola denticulata Sowerby, 1834
ventricosa, Petricola ventricosa Krauss, 1848 - syn of: Gastrana ventricosa (Krauss, 1848)
venus, Timoclea venus Gould, 1861
venus puellula, Timoclea venus puellula Gould, 1861
venusta, Petricola venusta de Folin, 1867 - syn of: Choristodon robustus (Sowerby, 1834)
verdensis, Venus verdensis Dautzenberg & Fischer, 1906
verdevilla, Gemma verdevilla Gardner, 1943 † (FOSSIL)
vermiculosa, Venus vermiculosa Lamarck, 1818 - syn of: Marcia hiantina (Lamarck, 1818)
vernicosa, Paphia vernicosa (Gould, 1861)
vernicosa, Tapes vernicosa Gould, 1861 - syn of: Paphia vernicosa (Gould, 1861)
verrucosa, Venus verrucosa Linnaeus, 1758
verrucosa aegyptiaca, Venus verrucosa aegyptiaca Pallary, 1912 - syn of: Venus verrucosa Linnaeus, 1758
verrucosa albolimbata, Venus verrucosa albolimbata Brusina, 1891 - syn of: Venus verrucosa Linnaeus, 1758
verrucosa capensis, Venus verrucosa capensis Sowerby, 1889 - syn of: Venus verrucosa Linnaeus, 1758
verrucosa inaequivalvis, Venus verrucosa inaequivalvis Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Venus verrucosa Linnaeus, 1758
verrucosa major, Venus verrucosa major Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Venus verrucosa Linnaeus, 1758
verrucosa mitzopoulosi, Venus verrucosa mitzopoulosi Sakellariou, 1958 - syn of: Venus verrucosa Linnaeus, 1758
verrucosa ornata, Venus verrucosa ornata Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Venus verrucosa Linnaeus, 1758
verrucosa rosea, Venus verrucosa rosea Pallary, 1900 - syn of: Venus verrucosa Linnaeus, 1758
verrucosa transversa, Venus verrucosa transversa Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Venus verrucosa Linnaeus, 1758
verrucosa tumida, Venus verrucosa tumida Bucquoy, Dautzenberg & Dollfus, 1893 - syn of: Venus verrucosa Linnaeus, 1758
versicolor, Venus versicolor Gmelin, 1791 - syn of: Asaphis violascens (Forsskål, 1775)
vertumnalium, Irus vertumnalium (Melvill, 1918)
vesica, Veneriglossa vesica (Dall, 1886)
vesta, Venus vesta Brusina, 1870 - syn of: Venerupis decussata (Linnaeus, 1758)
vestita, Meretrix vestita (Reeve, 1864)
vetula, Gouldia vetula Deshayes, 1857 † (FOSSIL)
vetula, Clementia dariena vetula Woodring
vetulus, Callistotapes vetulus (Basterot, 1825) † (FOSSIL)
vetulus genei, Callistotapes vetulus genei (Michelotti, 1839) † (FOSSIL)
victoria, Lirophora victoria Dall, 1982 † (FOSSIL)
victoriae, Katelysia victoriae (Tenison-Woods, 1878)
victoriae, Dosinia victoriae Gatliff & Gabriel, 1914
victoriae, Tapes victoriae Tenison-Woods, 1878 - syn of: Katelysia victoriae (Tenison-Woods, 1878)
vinacea, Lamelliconcha vinacea Olsson, 1961
vincentiana, Tivelina vincentiana (Cossmann, 1882) † (FOSSIL)
violacea, Venus violacea Gmelin, 1791 - syn of: Leukoma granulata (Gmelin, 1791)
violacea, Venus violacea Quoy & Gaimard, 1835 - syn of: Tawera spissa (Deshayes, 1835)
violacea, Circe violacea Schumacher, 1817 - syn of: Circe scripta (Linnaeus, 1758)
violacea, Mercenaria violacea Schumacher, 1817 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
violascens, Tapes violascens Deshayes, 1853 - syn of: Venerupis philippinarum (Adams & Reeve, 1850)
violascens, Venus violascens Forsskål, 1775 - syn of: Asaphis violascens (Forsskål, 1775)
virago, Venus virago Lovén, 1846 - syn of: Polititapes rhomboides (Pennant, 1777)
virgatula, Meretrix virgatula Tomlin, 1923 - syn of: Meretrix lusoria (Röding, 1798)
virgatus, Callistotapes virgatus (Sowerby, 1840) † (FOSSIL)
virginea, Tapes virginea (Linnaeus, 1767)
virginea, Periglypta virginea Adams & Reeve, 1850 - syn of: Tivela stultorum (Mawe, 1823)
virgineus, Tapes virgineus Linnaeus, 1767 - syn of: Polititapes rhomboides (Pennant, 1777)
virgineus elongata, Tapes virgineus elongata Jeffreys, 1864 - syn of: Polititapes rhomboides (Pennant, 1777)
virgo, Pitar virgo (Gray, 1838)
viridis, Liocyma viridis Dall, 1871 - syn of: Liocyma fluctuosa (Gould, 1841)
vitalianus, Tapes vitalianus D'Orbigny † (FOSSIL)
vittatus, Sunetta vittatus Da Costa, 1778 - syn of: Donax vittatus da Costa, 1778
volckmanni, Chione volckmanni Philippi, 1887 † (FOSSIL)
vredenburgi, Lirophora vredenburgi Ward, 1992 † (FOSSIL)
vulgaris, Chione vulgaris Gray, 1838 - syn of: Callista chione (Linnaeus, 1758)
vulgaris, Tivela vulgaris Link, 1807 - syn of: Tivela mactroides (Born, 1778)
vulgaris, Venerupis vulgaris Sowerby, 1826 - syn of: Venerupis corrugata (Gmelin, 1791)
vulnerata, Transennella vulnerata (Broderip, 1835)
vulvina, Venus vulvina Lamarck, 1818 - syn of: Marcia japonica (Gmelin, 1791)
waiauensis, Turia waiauensis Marwick, 1927 † (FOSSIL)
waiparaensis, Dosinia waiparaensis Marwick, 1927 † (FOSSIL)
waipipiensis, Dosinia waipipiensis Marwick, 1927 † (FOSSIL)
waitakiensis, Dosinia waitakiensis Marwick, 1927 † (FOSSIL)
walli, Chione walli Guppy, 1866 † (FOSSIL)
waltonensis, Macrocallista waltonensis Gardner, 1926 † (FOSSIL)
waltonensis, Pitar waltonensis Gardner, 1926 † (FOSSIL)
wanganuiensis, Tawera wanganuiensis Marwick, 1927 † (FOSSIL)
wapsharei, Periglypta wapsharei (Hislop, 1859) † (FOSSIL)
watlingi, Tapes watlingi Iredale, 1958 - syn of: Tapes conspersus (Gmelin, 1791)
watti, Callista watti Marwick, 1938 † (FOSSIL)
weedingi, Circe weedingi Cotton, 1934 - syn of: Circe quoyi (Hanley, 1844)
wellsi, Paphia wellsi Iredale, 1958 - syn of: Tivela polita (Sowerby, 1851)
whitneyi, Dosinia whitneyi Gabb, 1866 † (FOSSIL)
wiedenmayeri, Chionopsis wiedenmayeri (Hodson, 1927) † (FOSSIL)
williamsi, Marama williamsi Marwick, 1927 † (FOSSIL)
willisi, Antigona willisi Trask, 1922 - syn of: Amiantis callosa (Conrad, 1837)
wilsoni, Periglypta wilsoni (Hislop, 1859) † (FOSSIL)
wolfi, Lamelliconcha wolfi Olsson, 1931 † (FOSSIL)
woodburnei, Marwickia woodburnei Zinsmeister & Macellari, 1988 † (FOSSIL)
woodiaeformis, Timoclea woodiaeformis (Sandberger, 1863) † (FOSSIL)
woodsi, Resatrix woodsi Casey, 1952 † (FOSSIL)
woodsi, Cyclorismina woodsi Marwick, 1927 † (FOSSIL)
woodwardi, Chionopsis woodwardi (Guppy, 1866) † (FOSSIL)
xenophontii, Pitar xenophontii Krishtofovich, 1964 † (FOSSIL)
yanagawana, Leukoma yanagawana Nomura & Zinbo, 1936 † (FOSSIL)
yasila, Pitar yasila Olsson, 1930 † (FOSSIL)
yatei, Circomphalus yatei (Gray, 1835) - syn of: Bassina yatei (Gray, 1835)
yatei, Bassina yatei (Gray, 1835)
yatei, Venus yatei Gray, 1835 - syn of: Bassina yatei (Gray, 1835)
yerburyi, Aphrodora yerburyi (Smith, 1891)
yerburyi, Pitar yerburyi Smith, 1891 - syn of: Aphrodora yerburyi (Smith, 1891)
yiizukai, Securella yiizukai Kanehara, 1937 † - syn of: Protocallithaca adamsi (Reeve, 1863) (FOSSIL)
yokoyamai, Timoclea yokoyamai Habe, 1947
yukitai, Gafrarium yukitai Habe, 1977 - syn of: Gafrarium barandae (Hidalgo, 1885)
zelandica, Dosina zelandica Gray, 1835 - syn of: Dosina mactracea (Broderip, 1835)
zelandica, Dosinia zelandica Gray, 1835 - syn of: Dosina mactracea (Broderip, 1835)
zelandica, Venus zelandica Quoy & Gaimard, 1835 - syn of: Austrovenus stutchburyi (Wood, 1828)
zeta, Paraesa zeta (Popenoe, 1937) † (FOSSIL)
zeta, Flaventia zeta Popenoe, 1937 † - syn of: Paraesa zeta (Popenoe, 1937) † (FOSSIL)
ziczac, Protapes ziczac (Linnaeus, 1758)
ziczac, Venus ziczac Linnaeus, 1758 - syn of: Protapes ziczac (Linnaeus, 1758)
ziczac, Venus ziczac Pearse, 1936 - syn of: Mercenaria mercenaria (Linnaeus, 1758)
zilchi, Dosinia zilchi Fischer-Piette & Delmas, 1967 - syn of: Dosinia physema Römer, 1870
zonaria, Tivela zonaria (Lamarck, 1818)
zonaria, Periglypta zonaria Lamarck, 1818 - syn of: Meretrix meretrix (Linnaeus, 1758)
zonaria, Cytherea zonaria Reeve, 1864 - syn of: Meretrix petechialis (Lamarck, 1818)
zonata, Agriopoma zonata Dall, 1902 - syn of: Pitar zonatus (Dall, 1902)
zonatus, Pitar zonatus (Dall, 1902)
zorritensis, Leukoma zorritensis Olsson, 1961 - syn of: Leukoma metodon (Pilsbry & Lowe, 1932)
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