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abietis, Argopecten abietis Jordan & Hertlein, 1926
abscondita, Talochlamys abscondita (Fischer, 1898)
abyssalis, Hyalopecten abyssalis Kamenev, 2016
abyssorum, Delectopecten vitreus abyssorum Sars
abyssorum, Pecten abyssorum Sars, 1868 - syn of: Delectopecten vitreus abyssorum (Sars, 1868)
acanikos, Lindapecten acanikos (Gardner, 1926) † (FOSSIL)
acanthodes, Aequipecten acanthodes Dall, 1925 - syn of: Lindapecten exasperatus (Sowerby, 1842)
acanthoides, Aequipecten acanthoides Dall, 1925 - syn of: Lindapecten exasperatus (Sowerby, 1842)
acroporicola, Coralichlamys acroporicola Iredale, 1939 - syn of: Coralichlamys madreporarum (Sowerby, 1842)
actinodes, Zygochlamys actinodes (Sowerby, 1846) † (FOSSIL)
actoni, Pecten actoni Von Martens, 1856 - syn of: Parvamussium fenestratum (Forbes, 1844)
aculeata, Mimachlamys aculeata Gmelin, 1791 - syn of: Mimachlamys varia (Linnaeus, 1758)
aculeatus, Palliolum aculeatus Jeffreys, 1838 - syn of: Palliolum striatum (Müller, 1776)
acuteauritus, Lyriochlamys acuteauritus (Schafhaeutl, 1851) † (FOSSIL)
acutiplicatus, Pecten acutiplicatus Meek, 1864 † - syn of: Weyla meeki Damborenea, 1987 † (FOSSIL)
adamsi, Pseudohinnites adamsi (Dall, 1886)
adelaidensis, Lentipecten adelaidensis Ludbrook, 1955 † (FOSSIL)
adorabilis, Bractechlamys adorabilis Dijkstra & Roussy, 1994
adspersus, Pseudamussium adspersus Lamarck, 1819 - syn of: Pseudamussium peslutrae (Linnaeus, 1771)
aduncus, Lamellipecten aduncus Dijkstra & Maestrati, 2010
aequicostatus, Pecten aequicostatus Roemer, 1849 † - syn of: Neithea texana Roemer, 1849 † (FOSSIL)
aequistriata, Ochotochlamys aequistriata Aberhan, 1998 † (FOSSIL)
aequisulcatus, Argopecten ventricosus aequisulcatus Carpenter
aequisulcatus, Pecten aequisulcatus Carpenter, 1864 - syn of: Argopecten ventricosus aequisulcatus (Carpenter, 1864)
aequivalvis, Pseudopecten aequivalvis Bayle, 1878 † (FOSSIL)
afribenedictus, Pecten afribenedictus Kilburn & Dijkstra, 1995
africana, Veprichlamys africana Dijkstra & Kilburn, 2001
afrobenedictus, Pecten afrobenedictus Kilburn & Dijkstra, 1995 - syn of: Pecten afribenedictus Kilburn & Dijkstra, 1995
agronomica, Argopecten agronomica Maury, 1924 † (FOSSIL)
aguaclarensis, Amusium aguaclarensis Hodson, 1927 † (FOSSIL)
akazara, Azumapecten farreri akazara Kuroda
akhioensis, Placopecten akhioensis (Matsumoto, 1930) † (FOSSIL)
akiyamae, Amussiopecten akiyamae Masuda, 1962 † (FOSSIL)
aktinos, Semipallium aktinos (Petterd, 1886)
alanbeui, Antarctipecten alanbeui (Jonkers, 2003) † (FOSSIL)
alaskensis, Camptochlamys alaskensis Waller & Marincovich, 1992 † (FOSSIL)
alazanum, Amusium alazanum Cooke, 1928 † (FOSSIL)
alba, Mimachlamys varia alba Scacchi
albicans, Pecten albicans (Schröter, 1802)
albicans, Pecten albicans Schröter, 1802 - syn of: Pecten albicans (Schröter, 1802)
albicans naganumanus, Pecten albicans naganumanus Yokoyama, 1920
albida, Chlamys albida (Dall, 1906)
albolineatus, Mimachlamys albolineatus (Sowerby, 1842)
albus, Pecten fumatus albus Reeve
alcesianus, Pecten alcesianus McLearn, 1933 † (FOSSIL)
alcocki, Delectopecten alcocki (Smith, 1904)
aldingensis, Serripecten aldingensis (Tate, 1886) † (FOSSIL)
aletes, Pecten aletes Hertlein, 1925 † (FOSSIL)
alexandri, Chlamys alexandri Vredenburg, 1928 † (FOSSIL)
alexclarki, Vertipecten alexclarki Addicott, 1973 † (FOSSIL)
aliae, Laevichlamys aliae (Dijkstra, 1988)
alicei, Pseudamussium alicei (Dautzenberg & Fischer, 1897)
allani, Sectipecten allani Marwick, 1928 † (FOSSIL)
alli, Cryptopecten alli Dall, Bartsch & Rehder, 1938 - syn of: Cryptopecten bullatus (Dautzenberg & Bavay, 1912)
allorenti, Laevichlamys allorenti (Dijkstra, 1988)
alpha, Pecten alpha Dall, 1898 † (FOSSIL)
alta, Chlamys alta (Reeve, 1853)
alternans, Pecten alternans Münster, 1841 † - syn of: Pecten subalternans D'Orbigny, 1849 † (FOSSIL)
alternilineatus, Delectopecten alternilineatus (Clark, 1918) † (FOSSIL)
altiplectus, Pecten altiplectus Conrad, 1857 - syn of: Chlamys hastata (Sowerby, 1842)
altiplicatus, Pecten altiplicatus Conrad, 1857 - syn of: Chlamys hastata (Sowerby, 1842)
alumensis, Antillipecten alumensis (Dall, 1898) † (FOSSIL)
alumensis, Chlamys alumensis Gardner, 1926 † (FOSSIL)
amaliae, Mirapecten amaliae Kobelt, 1887 - syn of: Mirapecten rastellum (Lamarck, 1819)
amandi, Chlamys amandi Hertlein, 1935
ambigua, Volachlamys ambigua Bavay, 1904 - syn of: Volachlamys hirasei (Bavay, 1904)
ameleus, Argopecten ameleus Woodring, 1925 † (FOSSIL)
amiculum, Decatopecten amiculum Philippi, 1851
amicum, Semipallium amicum (Smith, 1885)
amphicyrtus, Chlamys amphicyrtus Locard, 1888 - syn of: Flexopecten flexuosus (Poli, 1795)
amplicostatus, Argopecten irradians amplicostatus Dall
amusiiformis, Indopecten amusiiformis Hudson & Jefferies, 1961 † (FOSSIL)
amusoides, Euvola amusoides (Macsotay & Campos, 2001)
amusoides, Pecten amusoides Macsotay & Campos, 2001 - syn of: Euvola amusoides (Macsotay & Campos, 2001)
anapleus, Nanaochlamys anapleus Woodring, 1946 † (FOSSIL)
anapleus kakertensis, Nanaochlamys anapleus kakertensis Sinelnikova, 1975 † - syn of: Nanaochlamys kakertensis Sinelnikova, 1975 † (FOSSIL)
anatipes, Anatipopecten anatipes (Morton, 1833) † (FOSSIL)
andamanense, Amusium andamanense Bavay, 1905 - syn of: Propeamussium andamanense (Bavay, 1905)
andamanica, Laevichlamys andamanica (Preston, 1908)
andersoni, Leptopecten andersoni (Loel & Corey) † (FOSSIL)
andersoni, Aequipecten andersoni Arnold, 1906 † (FOSSIL)
andersoni, Pseudamussium andersoni Dall, 1919 - syn of: Similipecten greenlandicus (Sowerby, 1842)
andersoni clemonensis, Aequipecten andersoni clemonensis Etherington † (FOSSIL)
anderssoni, Austrochlamys anderssoni (Hennig, 1911)
anellus, Capedopecten anellus Dijkstra & Janssen, 1988 † (FOSSIL)
angelonii, Mimachlamys angelonii (De Stefani & Pantanelli, 1880) † (FOSSIL)
anglica, Eopecten anglica Arkell, 1931 † (FOSSIL)
angsanana, Chlamys angsanana Martin, 1922 † (FOSSIL)
anguillensis, Antillipecten anguillensis (Guppy, 1867) † (FOSSIL)
anguineus, Pecten anguineus Finlay, 1927 - syn of: Notochlamys hexactes (Péron, 1819)
angusticostata, Serratovola angusticostata Dijkstra, 2008
anisopleurus, Pecten anisopleurus Locard, 1888 - syn of: Flexopecten glaber (Linnaeus, 1758)
annulatus, Camptonectes annulatus (Sowerby, 1826) † (FOSSIL)
annulatus, Pecten annulatus Goldfuss, 1833 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
anteamplicostata, Argopecten anteamplicostata Mansfield, 1936 † (FOSSIL)
antecedens, Notochlamys antecedens Singleton, 1941 † - syn of: Semipallium foulcheri (Tenison Woods, 1865) † (FOSSIL)
antiaustralis, Chlamys antiaustralis Tate, 1886 † (FOSSIL)
antiguensis, Pecten antiguensis Brown, 1913 † (FOSSIL)
antillarum, Antillipecten antillarum (Récluz, 1853)
antillarum, Delectopecten antillarum Jung, 1971 † (FOSSIL)
antillarum, Pecten antillarum Récluz, 1853 - syn of: Antillipecten antillarum (Récluz, 1853)
antillarum, Lyropecten antillarum Récluz, 1853 - syn of: Antillipecten antillarum (Récluz, 1853)
antiquatus, Pecten antiquatus Philippi, 1844 - syn of: Cyclopecten antiquatus (Philippi, 1844)
antonitaensis, Argopecten antonitaensis Durham, 1950 † (FOSSIL)
aotus, Pecten aotus Verrill & Bush, 1897 - syn of: Similipecten nanus (Verrill & Bush, 1897)
arachnoideus, Delectopecten arachnoideus Sokolov & Bodylevsky, 1931 † (FOSSIL)
arakawai, Chlamys arakawai Nomura, 1935 † (FOSSIL)
araroaensis, Talochlamys araroaensis (Beu, 1970) † (FOSSIL)
arata, Chlamys arata Gmelin, 1791 - syn of: Karnekampia sulcata (Müller, 1776)
aratus, Pecten aratus Waagen, 1867 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
arces, Pseudamussium arces Dall, 1913 - syn of: Delectopecten polyleptus (Dall, 1908)
arcuatus, Pecten arcuatus Brocchi, 1814 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
argenteus, Delectopecten argenteus Bernard, 1978 - syn of: Delectopecten vancouverensis (Whiteaves, 1893)
argenteus, Pecten argenteus Reeve, 1853 - syn of: Antillipecten antillarum (Récluz, 1853)
argenteus, Pecten argenteus Reeve, 1853 - syn of: Antillipecten antillarum (Récluz, 1853)
argentinensis, Chlamys argentinensis De Castellanos, 1973
argillensis, Pecten argillensis Conrad, 1860 † (FOSSIL)
arlesensis, Dhondtichlamys arlesensis (Woods, 1902) † (FOSSIL)
armoricanus, Palliolum armoricanus Chenu, 1843 - syn of: Palliolum tigerinum (Müller, 1776)
arnoldi, Lyropecten arnoldi (Aguerrevere, 1925) † (FOSSIL)
arntzi, Hyalopecten arntzi Egorova, 1999
arthricticus, Nodipecten arthricticus (Reeve, 1853) - syn of: Nodipecten arthriticus (Reeve, 1853)
arthriticus, Nodipecten arthriticus (Reeve, 1853)
articulatus, Chlamys articulatus Sowerby, 1840 † (FOSSIL)
articulosus, Nodipecten articulosus Cooke, 1919 † (FOSSIL)
arzellus, Pecten arzellus De Gregorio, 1885 - syn of: Mimachlamys varia (Linnaeus, 1758)
ashiyaensis, Chlamys ashiyaensis Nomura, 1935 † (FOSSIL)
ashleyi, Lyropecten ashleyi Arnold, 1906 † - syn of: Nodipecten cerrosensis (Gabb, 1869) † (FOSSIL)
asper, Pecten asper Lamarck, 1819 † (FOSSIL)
asper, Chlamys asper Sowerby, 1847
aspera, Serratovola rubicunda aspera Sowerby
asperacrispata, Chlamys asperacrispata Tashiro, 1976 † (FOSSIL)
asperatus, Camptonectes asperatus Girty, 1909 † - syn of: Eocamptonectes asperatus (Girty, 1909) † (FOSSIL)
asperrima, Mimachlamys asperrima (Lamarck, 1819)
asperrimoides, Chlamys asperrimoides Powell, 1958 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
asperrimus, Chlamys asperrimus , † (FOSSIL)
aspersus, Pecten aspersus Lamarck, 1819 - syn of: Pseudamussium peslutrae (Linnaeus, 1771)
aspersus, Leptopecten aspersus Sowerby, 1835 - syn of: Leptopecten tumbezensis (D'Orbigny, 1846)
asperulata, Azumapecten farreri asperulata Adams & Reeve
asperulata pelseneeri, Chlamys asperulata pelseneeri Dautzenberg & Bavay, 1912 - syn of: Mimachlamys cloacata pelseneeri (Dautzenberg & Bavay, 1912)
asperulatus, Chlamys asperulatus (Adams & Reeve, 1850) - syn of: Azumapecten farreri asperulata (Adams & Reeve, 1850)
assinboiensis, Pecten assinboiensis Russell & Landes, 1937 † (FOSSIL)
atava, Neithea atava (Roemer, 1839) † (FOSSIL)
athleta, Athlopecten athleta (Zittel, 1865) † (FOSSIL)
atlanticola, Nodipecten atlanticola Anderson, 1929 † (FOSSIL)
atlanticus, Pecten atlanticus Smith, 1890
aubryi, Eopecten aubryi Goldfuss, 1833 † - syn of: Eopecten velatus (Goldfuss, 1833) † (FOSSIL)
audouinii, Aequipecten opercularis audouinii Payraudeau
audouinii, Pecten audouinii Payraudeau, 1826 - syn of: Aequipecten opercularis audouinii (Payraudeau, 1826)
augusticostatus, Aequipecten augusticostatus Gabb, 1873 † - syn of: Argopecten thetidis (Sowerby, 1850) † (FOSSIL)
aurantia, Mimachlamys varia aurantia Clement
aurantiacus, Anguipecten aurantiacus Adams & Reeve, 1850 - syn of: Anguipecten picturatus Dijkstra, 1995
aurantiacus, Pecten aurantiacus Adams & Reeve, 1850 - syn of: Anguipecten picturatus Dijkstra, 1995
aurantiacus, Pecten aurantiacus Roding, 1798
aurantius, Pecten aurantius Lamarck, 1819 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
auriculatum, Pseudamussium auriculatum Grabau, 1931 † - syn of: Streblopteria auriculatum (Grabau, 1931) † (FOSSIL)
auristriatum, Adamussium auristriatum Quaglio, 2008 † (FOSSIL)
auristriatus, Pecten auristriatus Münster, 1841 † - syn of: Pecten nerei Münster, 1841 † (FOSSIL)
auritus, Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
auroraensis, Leptopecten auroraensis Ward & Blackwelder, 1987 † (FOSSIL)
australiae, Amusium pleuronectes australiae Linnaeus
australis, Pecten australis Philippi, 1845 - syn of: Zygochlamys patagonica (King & Broderip, 1832)
australis, Pecten australis Sowerby, 1842 - syn of: Mimachlamys asperrima (Lamarck, 1819)
aviculoides, Pecten aviculoides Smith, 1885 - syn of: Cyclochlamys aviculoides (Smith, 1885)
awajiensis, Volachlamys hirasei awajiensis Pilsbry
awajiensis, Pecten awajiensis Pilsbry, 1905 - syn of: Volachlamys hirasei awajiensis (Pilsbry, 1905)
aztecus, Pecten aztecus Bose, 1906 † (FOSSIL)
badenpowelli, Chlamys badenpowelli Weir, 1929 † (FOSSIL)
badioriva, Talochlamys badioriva Beu & Darragh, 2001 † (FOSSIL)
baitoanensis, Lindapecten baitoanensis Waller, 2011 † (FOSSIL)
bakeri, Leopecten bakeri (Hanna & Hertlein, 1927) † (FOSSIL)
balloti, Ylistrum balloti (Bernardi, 1861)
banakensis, Minnivola banakensis Eames & Cox, 1956 † (FOSSIL)
barnetti, Semipallium barnetti Dijkstra, 1989
barretti, Pecten barretti Seeley, 1861 † (FOSSIL)
barretti, Pecten barretti Wooding, 1925 † - syn of: Euvola jamaicensis Waller, 2011 † (FOSSIL)
bartschi, Chlamys bartschi Arnold, 1906 † (FOSSIL)
bavayi, Paraleptopecten bavayi (Dautzenberg, 1900)
bavayi, Hyalopecten bavayi (Dijkstra, 1990)
baylei, Chlamys baylei Jousseaume, 1928 - syn of: Mimachlamys townsendi (Sowerby, 1895)
beali, Pecten beali Hertlein, 1925 † (FOSSIL)
beaveri, Pecten beaveri Sowerby, 1817 † (FOSSIL)
behringiana, Chlamys behringiana Middendorff, 1849
behringiana gregaria, Chlamys behringiana gregaria Devjatilova, 1981 † - syn of: Chlamys behringiana Middendorff, 1849 (FOSSIL)
behringiana scarlatovi, Chlamys behringiana scarlatovi Myasnikov, 1992 - syn of: Chlamys behringiana Middendorff, 1849
behringiana unalaskae, Chlamys behringiana unalaskae MacNeil, 1967 - syn of: Chlamys behringiana Middendorff, 1849
bellaturus, Micronectes bellaturus Ichikawa & Maeda, 1958 † (FOSSIL)
bellicostata, Chlamys bellicostata Wood, 1861 † (FOSSIL)
bellilamellatus, Pecten bellilamellatus Arnold, 1906 - syn of: Leptopecten latiauratus (Conrad, 1837)
bellipictus, Chlamys bellipictus Woodring, 1925 - syn of: Antillipecten antillarum (Récluz, 1853)
bellipictus, Chlamys bellipictus Woodring, 1925 - syn of: Antillipecten antillarum (Récluz, 1853)
bellulus, Neithea bellulus Cragin, 1893 † (FOSSIL)
bellus, Pecten bellus Conrad, 1857 † (FOSSIL)
benedicti, Spathochlamys benedicti (Dall, 1898)
benedictus tepungai, Pecten benedictus tepungai Fleming, 1957 - syn of: Pecten novaezelandiae Reeve, 1852
benedictus zeehaanae, Pecten benedictus zeehaanae Fleming, 1957 - syn of: Pecten novaezelandiae Reeve, 1852
beringiana graui, Chlamys beringiana graui MacNeil, 1967 - syn of: Chlamys behringiana Middendorff, 1849
beringianus, Pecten beringianus Middendorff, 1849
bernardi, Cryptopecten bernardi (Philippi, 1851)
berryae, Rebeccapecten berryae Ward, 1992 † (FOSSIL)
berryi, Leopecten berryi Bernard, 1983 - syn of: Leopecten stillmani (Dijkstra, 1998)
besseri, Pecten besseri Andrzejowski, 1830 † (FOSSIL)
beudanti, Pecten beudanti Basterot, 1825 † (FOSSIL)
beudanti pluriscissus, Pecten beudanti pluriscissus Cossmann & Peyrot, 1921 † (FOSSIL)
biangulata, Neithea biangulata Imlay, 1940 † (FOSSIL)
biarritzensis, Chlamys biarritzensis d'Archiac, 1846 † (FOSSIL)
biddleana, Chlamys biddleana Kellum, 1926 † (FOSSIL)
bierringi, Aequipecten bierringi Rosenkrantz, 1934 † (FOSSIL)
bifida, Hilberia bifida (Münster, 1835) † (FOSSIL)
bifidus, Pecten bifidus Menke, 1843 - syn of: Pecten fumatus Reeve, 1852
bifidus, Pecten bifidus Menke, 1843 - syn of: Pecten fumatus Reeve, 1852
bifrons, Equichlamys bifrons (Lamarck, 1819)
bilineatus, Leptopecten bilineatus Clark, 1915 † (FOSSIL)
binominatus, Pseudamussium binominatus Hanna, 1924 - syn of: Similipecten greenlandicus (Sowerby, 1842)
biolleyi, Paraleptopecten biolleyi (Hertlein & Strong, 1946)
biradiatus, Pecten biradiatus Tiberi, 1855 - syn of: Flexopecten flexuosus (Poli, 1795)
biscayensis, Hyalopecten biscayensis Locard, 1886 - syn of: Hyalopecten pudicus (Smith, 1885)
bittneri, Hyalopecten bittneri (Toula) † (FOSSIL)
blandus, Pecten blandus Reeve, 1853 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
blowi, Mimachlamys blowi Waller, 2011 † (FOSSIL)
bocasense, Amusium bocasense Olsson, 1922 † (FOSSIL)
boellingi, Agerchlamys boellingi Taylor & Guex, 2002 † (FOSSIL)
bollenensis, Chlamys bollenensis Mayer-Eymar, 1876 † (FOSSIL)
boninensis, Laevichlamys boninensis (Dijkstra & Matsukuma, 1993)
borealis, Pecten borealis Say, 1822 † - syn of: Argopecten invalidus Hanna, 1924 † (FOSSIL)
bornii, Chlamys bornii Payraudeau, 1826 - syn of: Manupecten pesfelis (Linnaeus, 1758)
bosei, Patinopecten bosei Hanna & Hertlein, 1927 † (FOSSIL)
bosei, Pecten bosei Quiroz-Barroso & Perrilliat, 0 † - syn of: Plagiostoma rodburgensis Whidborne, 1883 † (FOSSIL)
boutetorum, Mirapecten boutetorum Dijkstra, 2011
bowdenensis, Euvola bowdenensis Dall, 1898 † (FOSSIL)
brandti, Patinopecten brandti Schrenck, 1861 - syn of: Mizuhopecten yessoensis (Jay, 1857)
branneri, Chlamys branneri Arnold, 1906 † (FOSSIL)
breviauritum, Palliolum breviauritum (Deshayes, 1830) † (FOSSIL)
broenlundi, Boreionectes broenlundi Ravn, 1911 † (FOSSIL)
browni, Camptonectes browni Cox, 1935 † (FOSSIL)
bruei, Chlamys bruei Payraudeau, 1826 - syn of: Karnekampia sulcata (Müller, 1776)
bruei pulchricostata, Chlamys bruei pulchricostata Nordsieck, 1969 - syn of: Aequipecten opercularis (Linnaeus, 1758)
brummeli, Patinopecten brummeli (Nyst, 1864) † (FOSSIL)
bubonis, Camptonectes bubonis Stephenson, 1941 † (FOSSIL)
buchivacoanus, Lindapecten buchivacoanus (Hodson & al., 1927) † (FOSSIL)
buckinghamensis, Chlamys eboreus buckinghamensis Mansfield
bullatus, Cryptopecten bullatus (Dautzenberg & Bavay, 1912)
burdigalensis, Pecten burdigalensis (Lamarck, 1809) † (FOSSIL)
bureiensis, Ochotochlamys bureiensis Sey, 1984 † (FOSSIL)
burlesonensis, Eburneopecten burlesonensis (Harris, 1919) † (FOSSIL)
burlingtonensis, Camptonectes burlingtonensis (Gabb, 1860) † (FOSSIL)
burnetti, Mesopeplum burnetti (Zittel, 1865) † (FOSSIL)
byoritsuensis, Pecten byoritsuensis Nomura, 1933 † (FOSSIL)
byramensis, Pecten byramensis Gardner, 1945 † (FOSSIL)
byronensis, Pecten byronensis Fleming, 1955 - syn of: Pecten fumatus Reeve, 1852
cacawensis, Chlamys cacawensis Harris, 1919 † (FOSSIL)
cactaceus, Chagrepecten cactaceus (Dall, 1898) † (FOSSIL)
caducum, Amussium caducum Smith, 1885 - syn of: Propeamussium caducum (Smith, 1885)
cadwalladerensis, Pecten cadwalladerensis McLearn, 1942 † (FOSSIL)
caillaudi, Chlamys caillaudi Oppenheim, 1903 † (FOSSIL)
caimiticus, Argopecten eccentricus caimiticus Maury
calkinsi, Chlamys calkinsi Arnold, 1906 † (FOSSIL)
calli, Pecten calli Hertlein, 1925 - syn of: Argopecten ventricosus (Sowerby, 1842)
callidus, Argopecten callidus Hertlein, 1925 † (FOSSIL)
callimorphus, Chlamys callimorphus Maury, 1924 † (FOSSIL)
callosus, Pecten callosus Lundgren, 1895 † - syn of: Entolium callosum Lundgren, 1895 † (FOSSIL)
caloosaensis, Nodipecten caloosaensis Dall, 1898 † (FOSSIL)
caloosensis, Chlamys caloosensis Mansfield, 1939 † (FOSSIL)
calvatus, Eburneopecten calvatus (Morton, 1833) † (FOSSIL)
camerella, Leptopecten camerella (Berry, 1968)
campbellica, Chlamys campbellica Odhner, 1924 - syn of: Zygochlamys delicatula (Hutton, 1873)
campestris, Ruthipecten campestris Quilty & al., 2016 † (FOSSIL)
camuycenicus, Pecten camuycenicus Maury, 1920 † (FOSSIL)
canalis, Mimachlamys canalis (Brown & Pilsbry, 1913) † (FOSSIL)
cancellosus, Patinopecten oregonensis cancellosus Moore (FOSSIL)
capensis, Pecten capensis Sowerby, 1892 - syn of: Pecten sulcicostatus Sowerby, 1842
carinata, Chlamys carinata Sowerby, 1828 † (FOSSIL)
caroli, Mesopeplum caroli Iredale, 1929 - syn of: Mesopeplum fenestratum (Hedley, 1901)
carrizoensis, Pecten carrizoensis Arnold, 1906 † (FOSSIL)
cataractes, Euvola cataractes Dall, 1914 - syn of: Euvola vogdesi (Arnold, 1906)
catherina, Chlamys catherina (Cragin, 1893) † (FOSSIL)
caurinus, Patinopecten caurinus (Gould, 1850)
ceccae, Chesapecten middlesexensis ceccae Ward (FOSSIL)
ceibanus, Pecten ceibanus Cooke, 1928 † (FOSSIL)
celator, Chlamys celator Finlay, 1928 - syn of: Talochlamys zelandiae (Gray, 1843)
cellularis, Chlamys cellularis Oliver, 1915 - syn of: Pascahinnites coruscans (Hinds, 1845)
centralis, Jorgechlamys centralis (Sowerby, 1846) † (FOSSIL)
cercadicus, Antillipecten cercadicus (Maury, 1917) † (FOSSIL)
cerinus, Eburneopecten cerinus Conrad, 1869 † (FOSSIL)
cerrosensis, Nodipecten cerrosensis (Gabb, 1869) † (FOSSIL)
challengeri, Pseudamussium challengeri (Smith, 1891)
chaoxianensis, Periclaraia chaoxianensis Li & Ding, 1981 † - syn of: Periclaraia circularis Li & Ding, 1981 † (FOSSIL)
chaperi, Delectopecten chaperi Dautzenberg & Fischer, 1897 - syn of: Delectopecten vitreus (Gmelin, 1791)
chathamensis, Chlamys chathamensis (Hutton, 1873) † (FOSSIL)
chazaliei, Euvola chazaliei (Dautzenberg, 1900)
chihuahuensis, Merklinia chihuahuensis (Bose, 1910) † (FOSSIL)
chipolanus, Lindapecten chipolanus (Dall, 1898) † (FOSSIL)
choctavensis, Chlamys choctavensis Aldrich, 1895 † (FOSSIL)
chosenica, Chlamys chosenica Kuroda, 1932
cibaoense, Palliolum cibaoense Waller, 2011 † (FOSSIL)
cinnabarina, Chlamys cinnabarina Bolten, 1798
cinnabarina, Chlamys cinnabarina Born, 1778 - syn of: Chlamys islandica (Müller, 1776)
circularis, Periclaraia circularis Li & Ding, 1981 † (FOSSIL)
circularis, Argopecten circularis Sowerby, 1835 - syn of: Argopecten irradians concentricus (Say, 1822)
citrina, Flexopecten glaber citrina Gmelin
clarkeana, Chlamys clarkeana , † (FOSSIL)
clathratum, Palliolum clathratum (Von Martens, 1881)
clathratus, Camptochlamys clathratus Roemer, 1836 † (FOSSIL)
clavatum, Pseudamussium clavatum (Poli, 1795)
clavatum dumasii, Pseudamussium clavatum dumasii (Payraudeau, 1826)
clemonensis, Aequipecten andersoni clemonensis Etherington (FOSSIL)
clignetti, Indopecten clignetti (Krumbeck, 1913) † (FOSSIL)
clintonius, Placopecten clintonius (Say, 1824) † (FOSSIL)
cloacata, Mimachlamys cloacata (Reeve, 1853)
cloacata curtisiana, Mimachlamys cloacata curtisiana Iredale, 1939
cloacata pelseneeri, Mimachlamys cloacata pelseneeri (Dautzenberg & Bavay, 1912)
clydonus, Nodipecten clydonus Woodring, 1982 † - syn of: Nodipecten colinensis Hodson & Hodson, 1927 † (FOSSIL)
coarctatus, Flexopecten coarctatus (Born, 1778)
coatsi, Chlamys coatsi MacNeil, 1967 † (FOSSIL)
coccymelus, Chesapecten coccymelus (Dall, 1898) † (FOSSIL)
cockburnensis, Adamussium cockburnensis Jonkers, 2003 † (FOSSIL)
cocoanus, Aequipecten cocoanus Dall, 1898 † (FOSSIL)
cocosensis, Leopecten cocosensis Waller, 2007
codercola, Euvola codercola Harris, 1927 † (FOSSIL)
coderensis, Pecten coderensis Harris, 1927 † (FOSSIL)
coeni, Karnekampia sulcata coeni Nordsieck
colbecki, Adamussium colbecki (Smith, 1902)
colinensis, Nodipecten colinensis Hodson & Hodson, 1927 † (FOSSIL)
collapsus, Pecten collapsus White, 1887 † (FOSSIL)
colpotus, Oppenheimopecten colpotus Woodring, 1982 † (FOSSIL)
columbiana, Leochlamys columbiana Clark & Arnold, 1923 † (FOSSIL)
comatus, Pecten comatus Valenciennes, 1846 - syn of: Chlamys hastata (Sowerby, 1842)
commutatus, Aequipecten commutatus (Monterosato, 1875)
commutatus peripheralis, Aequipecten commutatus peripheralis Dijkstra & Kilburn, 2001
compactus, Pecten compactus Dall, 1898 - syn of: Argopecten ventricosus (Sowerby, 1842)
comparalis, Chlamys comparalis (Tuomey & Holmes) † (FOSSIL)
comparilis, Aequipecten comparilis (Tuomey & Holmes, 1855) † (FOSSIL)
complanatus, Pecten complanatus Sowerby, 1828 † (FOSSIL)
complanus, Cryptopecten complanus Wang, 1983 - syn of: Cryptopecten bullatus (Dautzenberg & Bavay, 1912)
complexicostata, Lyriochlamys complexicostata (Gabb, 1869) † (FOSSIL)
comptus, Pecten comptus Dana, 1847 † - syn of: Fletcheripecten laticostatus Waterhouse, 1982 † (FOSSIL)
concentricus, Pecten concentricus Forbes, 1844 - syn of: Parvamussium fenestratum (Forbes, 1844)
concentricus, Argopecten irradians concentricus Say
concentricus, Pecten concentricus Say, 1822 - syn of: Argopecten irradians concentricus (Say, 1822)
concinna, Excellichlamys concinna Reeve, 1853 - syn of: Gloripallium maculosum (Forsskål, 1775)
concinnata, Argopecten concinnata Woodring, 1925 † - syn of: Argopecten uselmae Pilsbry & Johnson, 1917 † (FOSSIL)
condoni, Yabepecten condoni (Hertlein, 1925) † (FOSSIL)
condylomatus, Nodipecten condylomatus Dall, 1912 † (FOSSIL)
consobrinus, Equichlamys consobrinus Tate, 1886 - syn of: Equichlamys bifrons (Lamarck, 1819)
consociata, Chlamys consociata Smith, 1915 - syn of: Talochlamys dichroa (Suter, 1909)
contorta, Talochlamys contorta Dijkstra, 1993
convexum, Mesopeplum convexum (Quoy, 1835)
cookei, Laevichlamys cuneata cookei Dall, Bartsch & Rehder
cookei, Chlamys cookei Kellum, 1926 † (FOSSIL)
cooperi, Argopecten cooperi Arnold, 1906 † - syn of: Argopecten invalidus Hanna, 1924 † (FOSSIL)
cooperi, Pecten cooperi Smith, 1903 - syn of: Glorichlamys elegantissima (Deshayes, 1863)
cooperi, Chlamys cooperi Smith, 1903 - syn of: Glorichlamys elegantissima (Deshayes, 1863)
coosensis, Patinopecten coosensis (Shumard, 1858) † (FOSSIL)
coquandi, Neithea coquandi (Péron, 1877) † (FOSSIL)
corallina, Manupecten corallina Poli, 1795 - syn of: Manupecten pesfelis (Linnaeus, 1758)
corallina, Loxochlamys corallina Waller, 2005 † (FOSSIL)
corallinoides, Bractechlamys corallinoides (D'Orbigny, 1840)
corallinus, Hinnites corallinus Sowerby, 1827
coralliphila, Pecten coralliphila Olsson, 1922 † (FOSSIL)
corioensis, Austrohinnites corioensis (McCoy, 1879) † (FOSSIL)
corioensis, Hinnites corioensis Darragh, 0 † - syn of: Lima cholla Stoyanow, 1949 † (FOSSIL)
cornellanus, Pecten cornellanus Hodson & Hodson, 1927 † - syn of: Argopecten levicostatus Toula, 1909 † (FOSSIL)
corneus, Lentipecten corneus (Sowerby, 1818) † (FOSSIL)
corneus coxi, Lentipecten corneus coxi Glibert & Poel, 1965 † (FOSSIL)
cortesyi, Hinnites cortesyi Defrance, 1821
corteziana, Chlamys corteziana Durham, 1950 † (FOSSIL)
coruscans, Pascahinnites coruscans (Hinds, 1845)
coruscans hawaiensis, Pascahinnites coruscans hawaiensis (Dall, Bartsch & Rehder, 1938)
corymbiatus, Chlamys corymbiatus Hedley, 1909 - syn of: Cryptopecten nux (Reeve, 1853)
cosibensis, Chlamys cosibensis Yokoyama, 1911 † (FOSSIL)
cosibensis hanzawae, Chlamys cosibensis hanzawae Masuda, 1972 † - syn of: Chlamys cosibensis Yokoyama, 1911 † (FOSSIL)
cosibensis heteroglypta, Chlamys cosibensis heteroglypta Yokoyama, 1911 † - syn of: Chlamys cosibensis Yokoyama, 1911 † (FOSSIL)
cosibensis piltukensis, Chlamys cosibensis piltukensis Khomenko, 1979 † - syn of: Chlamys cosibensis Yokoyama, 1911 † (FOSSIL)
cosibensis turpicula, Chlamys cosibensis turpicula Yokoyama, 1911 † - syn of: Chlamys cosibensis Yokoyama, 1911 † (FOSSIL)
cossmanni, Pecten cossmanni Koenen, 1893 † (FOSSIL)
costaricensis, Chlamys costaricensis Olsson, 1922 † - syn of: Argopecten uselmae Pilsbry & Johnson, 1917 † (FOSSIL)
costatostriatum, Mesopeplum costatostriatum (Marshall, 1918) † (FOSSIL)
costellata, Chlamys costellata Verrill & Bush, 1897 - syn of: Chlamys islandica (Müller, 1776)
coudeini, Juxtamusium coudeini (Bavay, 1903)
covepointensis, Chesapecten covepointensis Ward, 1992 † (FOSSIL)
coxi, Indoweyla coxi Fursich & Heinze, 1995 † (FOSSIL)
coxi, Lentipecten corneus coxi Glibert & Poel (FOSSIL)
cracens, Leptopecten cracens Olsson, 1964 † (FOSSIL)
cranmerorum, Mirapecten cranmerorum (Waller, 1986)
crassa, Hinnites crassa Conrad, 1857 - syn of: Crassadoma gigantea (Gray, 1825)
crassa, Hinnites crassa Conrad, 1857 - syn of: Crassadoma gigantea (Gray, 1825)
crassicardo, Lyropecten crassicardo (Conrad, 1856) † (FOSSIL)
crassicostata, Mimachlamys crassicostata (Sowerby, 1842)
crassiradiatus, Argopecten crassiradiatus Clark, 1915 † (FOSSIL)
crassistriatus, Delectopecten crassistriatus Beu & Darragh, 2001
crassivenium, Gloripallium crassivenium (Yokoyama, 1929) † (FOSSIL)
crassus, Chesapecten crassus Del Rio, 1992 † - syn of: Chesapecten patagonensis (D'Orbigny, 1842) † (FOSSIL)
crawfordi, Mesopeplum crawfordi (Hutton, 1873) † (FOSSIL)
crebricostatus, Minnivola crebricostatus Philippi, 1845 - syn of: Minnivola pyxidata (Born, 1778)
cretatus, Pecten cretatus Reeve, 1853 - syn of: Aequipecten opercularis (Linnaeus, 1758)
cretosus, Chlamys cretosus Defrance, 1822 † (FOSSIL)
crispus, Hinnites crispus (Brocchi, 1814) † (FOSSIL)
crispus megalomorphus, Hinnites crispus megalomorphus Cossmann & Peyrot, 1921 † (FOSSIL)
cristatocostatus, Oppenheimopecten cristatocostatus (Sacco, 1897) † (FOSSIL)
cristatum, Cristatopecten cristatum (Bronn, 1827) † (FOSSIL)
cristatum, Amusium cristatum Bavay, 1905 - syn of: Parvamussium cristatellum (Dautzenberg & Bavay, 1912)
cristatus, Amusium cristatus Bavay, 1905 - syn of: Parvamussium cristatellum (Dautzenberg & Bavay, 1912)
cristobalensis, Argopecten cristobalensis Hertlein, 1925 † (FOSSIL)
cristularis, Pecten cristularis Adams & Reeve, 1850 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
crocus, Dimarzipecten crocus Ward, 1992 † (FOSSIL)
crotilus, Chlamys crotilus Reeve, 1853 - syn of: Talochlamys pusio (Linnaeus, 1758)
crouchi, Semipallium crouchi (Smith, 1892)
cruentatus, Pecten cruentatus Reeve, 1853 - syn of: Mimachlamys lentiginosa (Reeve, 1853)
cumingi, Pecten cumingi Reeve, 1853 - syn of: Volachlamys singaporina cumingii (Reeve, 1853)
cumingii, Volachlamys singaporina cumingii Reeve
cuneata, Laevichlamys cuneata (Reeve, 1853)
cuneata cookei, Laevichlamys cuneata cookei (Dall, Bartsch & Rehder, 1938)
cuneolus, Pecten cuneolus Reeve, 1853 - syn of: Pascahinnites coruscans (Hinds, 1845)
curtisiana, Mimachlamys cloacata curtisiana Iredale
curvivarians, Chlamys curvivarians Dietrich, 1933 † (FOSSIL)
cushmani, Chlamys cushmani Kellum, 1926 † (FOSSIL)
cytherea, Chlamys cytherea Bavay, 1904
daideleus, Argopecten daideleus Maury, 1924 † (FOSSIL)
daishakaensis, Leochlamys daishakaensis Masuda & Sawada, 1961 † - syn of: Leochlamys tanassevitschi Khomenko, 1934 † (FOSSIL)
dallasi, Chagrepecten dallasi (Jordan & Hertlein, 1926) † (FOSSIL)
dalli, Amussium dalli Smith, 1885 - syn of: Propeamussium dalli (Smith, 1885)
danicus, Pecten danicus Chemnitz, 1795
danicus, Pseudamussium danicus Reeve, 1852 - syn of: Pseudamussium peslutrae (Linnaeus, 1771)
darwinianum, Amusium darwinianum D'Orbigny, 1846 † (FOSSIL)
daucus, Pecten daucus Reeve, 1853 - syn of: Aequipecten opercularis (Linnaeus, 1758)
decemnarius, Chlamys decemnarius Conrad, 1834 † (FOSSIL)
decemradiata, Lyropecten decemradiata Gmelin, 1791 - syn of: Nodipecten nodosus (Linnaeus, 1758)
decemradiatus, Pecten decemradiatus Gmelin, 1791 - syn of: Nodipecten magnificus (Sowerby, 1835)
decheni, Pecten decheni Roemer, 1939 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
decoratus, Pecten decoratus Klipstein, 1843 † - syn of: Pecten tubulifer Münster, 1841 † (FOSSIL)
decorus, Aequipecten decorus Cooke, 1919 † (FOSSIL)
decussata, Chlamys decussata Deshayes, 1858 † (FOSSIL)
deformis, Pecten deformis Gabb, 1864 † (FOSSIL)
deformis, Pecten deformis Tate, 1887 † (FOSSIL)
defuniak, Pseudamussium defuniak Gardner, 1926 † - syn of: Cyclopecten defuniak Gardner, 1926 † (FOSSIL)
delawarensis, Dhondtichlamys delawarensis (Richards & Harbison, 1944) † (FOSSIL)
delicatula, Zygochlamys delicatula (Hutton, 1873)
delicatula, Psychrochlamys delicatula Jonkers, 2003 - syn of: Zygochlamys delicatula (Hutton, 1873)
delicatula subantartica, Zygochlamys delicatula subantartica Hedley, 1916
deliciosa, Laevichlamys deliciosa (Iredale, 1939)
demissus, Pecten demissus Phillips, 1835 † - syn of: Entolium demissus (Phillips, 1835) † (FOSSIL)
demiurgus, Argopecten demiurgus Dall, 1898 † (FOSSIL)
democracianus, Argopecten gilbertharrisi democracianus Hodson & Hodson
denaius, Nodipecten denaius Woodring, 1982 † (FOSSIL)
dendyi, Pecten dendyi Hutton, 1902 † (FOSSIL)
dentatus, Pecten dentatus Sowerby, 1842 - syn of: Euvola vogdesi (Arnold, 1906)
denticostatus, Hinnites denticostatus Klipstein, 1843 † (FOSSIL)
denticulatus, Pecten denticulatus Adams & Reeve, 1850 - syn of: Chlamys hastata (Sowerby, 1842)
denudatum, Amusium denudatum Deperet & Roman † (FOSSIL)
deserti, Argopecten deserti (Conrad, 1855) † (FOSSIL)
deshayana, Neithea deshayana (Matheron, 1843) † (FOSSIL)
deshayesii, Chlamys deshayesii Lea, 1833 † (FOSSIL)
destefanii, Amusium destefanii Ugolini, 1903 † (FOSSIL)
dettermani, Camptonectes dettermani Imlay, 1961 † (FOSSIL)
devinctus, Duplipecten devinctus (Suter, 1917) † (FOSSIL)
deynzerorum, Veprichlamys deynzerorum Dijkstra, 2004
dianae, Semipallium dianae (Crandall, 1979)
dichotomalis, Dichotochlamys dichotomalis (Tate, 1886) † (FOSSIL)
dichroa, Talochlamys dichroa (Suter, 1909)
dickersoni, Pecten dickersoni Wagner & Schilling, 1923 † (FOSSIL)
dieffenbachi, Chlamys dieffenbachi Reeve, 1853 - syn of: Talochlamys zelandiae (Gray, 1843)
diegensis, Leopecten diegensis (Dall, 1898)
diegensis, Euvola diegensis Dall, 1898 - syn of: Leopecten diegensis (Dall, 1898)
diffluxus, Sectipecten diffluxus (Hutton, 1873) † (FOSSIL)
difformis, Hemipecten difformis Odhner, 1917 - syn of: Hemipecten forbesianus Adams & Reeve, 1849
dijkstrai, Pecten dijkstrai Duncan & Wilson, 2012
dilectus, Hyalopecten dilectus Verrill & Bush, 1897 - syn of: Hyalopecten pudicus (Smith, 1885)
dilleri, Patinopecten dilleri Dall, 1901 † (FOSSIL)
diminutivus, Argopecten diminutivus Hertlein, 1927 † (FOSSIL)
diomedeus, Pecten diomedeus Dall, Bartsch & Rehder, 1938
diprosopa, Argopecten diprosopa (Fontannes, 1878) † (FOSSIL)
discus, Leptopecten discus (Conrad, 1857) † (FOSSIL)
dislocatus, Pecten dislocatus Say, 1822 - syn of: Argopecten gibbus (Linnaeus, 1758)
dispar, Chlamys dispar Lamarck, 1819 - syn of: Lissochlamys exotica (Dillwyn, 1817)
disparatus, Pecten disparatus Wood, 1882 † (FOSSIL)
dissimilis, Mimachlamys dissimilis (Montrouzier, 1858)
distans, Pecten distans Lamarck, 1819 - syn of: Flexopecten glaber (Linnaeus, 1758)
distorta, Talochlamys pusio distorta Da Costa
distorta, Hinnites distorta Da Costa, 1778 - syn of: Talochlamys pusio distorta (Da Costa, 1778)
distorta, Chlamys distorta da Costa, 1778 † - syn of: Talochlamys pulleiniana (Tate, 1887) † (FOSSIL)
donmilleri, Swiftopecten donmilleri MacNeil, 1973 † (FOSSIL)
dorotheae, Pecten dorotheae Melvill, 1907
dringi, Semipallium dringi (Reeve, 1853)
dringi, Chlamys dringi , † (FOSSIL)
dringi, Pecten dringi Reeve, 1853 - syn of: Semipallium dringi (Reeve, 1853)
dubius, Pecten dubius Linnaeus, 1758 - syn of: Aequipecten opercularis (Linnaeus, 1758)
ducenticostatus, Batequeus ducenticostatus Campbell, 1995 † (FOSSIL)
dumasii, Pseudamussium clavatum dumasii Payraudeau
dumasii, Pecten dumasii Payraudeau, 1826 - syn of: Pseudamussium clavatum dumasii (Payraudeau, 1826)
dumblei, Lyropecten dumblei Gardner, 1945 † (FOSSIL)
duncanensis, Lyropecten duncanensis Mansfield, 1934 † (FOSSIL)
duplex, Pecten duplex Cooke, 1919 † (FOSSIL)
duplicicosta, Neithea duplicicosta Roemer, 1849 † (FOSSIL)
duplicosta, Pecten duplicosta Roemer, 1849 † - syn of: Neithea duplicicosta Roemer, 1849 † (FOSSIL)
durchanaensis, Aequipecten durchanaensis Karagyuleva, 1964 † (FOSSIL)
durhami, Chlamys durhami Adegoke, 1969 - syn of: Chlamys rubida Hinds, 1845
dutrugei, Neithea dutrugei Coquand, 1862 † (FOSSIL)
duwelzi, Pecten duwelzi Nyst, 1861 † (FOSSIL)
eboreus, Argopecten eboreus (Conrad, 1833) † (FOSSIL)
eboreus, Chlamys eboreus Mansfield, 1936 † (FOSSIL)
eboreus buckinghamensis, Chlamys eboreus buckinghamensis Mansfield, 1939
eboreus watsonensis, Argopecten eboreus watsonensis (Mangfield) † (FOSSIL)
eboreus yorkensis, Argopecten eboreus yorkensis (Conrad, 1867) † (FOSSIL)
eccentricus, Argopecten eccentricus (Gabb, 1873) † (FOSSIL)
eccentricus caimiticus, Argopecten eccentricus caimiticus Maury, 1917
eccentricus lacabrensis, Argopecten eccentricus lacabrensis Waller, 2011
ecnomius, Leptopecten ecnomius Woodring, 1982 † (FOSSIL)
ecostata, Volachlamys hirasei ecostata Bavay
effluens, Chlamys effluens Dall, 1886 - syn of: Laevichlamys multisquamata (Dunker, 1864)
effluens, Chlamys effluens Dall, 1886 - syn of: Laevichlamys multisquamata (Dunker, 1864)
effosus, Aequipecten effosus Brown & Pilsbry, 1911 - syn of: Leopecten stillmani (Dijkstra, 1998)
effulgens, Chlamys effulgens Reeve, 1853 - syn of: Talochlamys multistriata (Poli, 1795)
egregius, Chlamys egregius Nomland, 1917 † (FOSSIL)
electrum, Amusium electrum Pelseneer, 1911 - syn of: Propeamussium caducum (Smith, 1885)
elegans, Glorichlamys elegans (Wang, 1983)
elegantissima, Glorichlamys elegantissima (Deshayes, 1863)
eleganus, Nippononectes eleganus Tashiro, 1982 † (FOSSIL)
elixatus, Pecten elixatus Conrad, 1846 † (FOSSIL)
ellochena, Chlamys ellochena Iredale, 1939 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
elsae, Chlamys elsae Wagner, 1988 - syn of: Laevichlamys gladysiae (Melvill, 1888)
empressae, Chlamys empressae Kuroda, Habe & Oyama, 1971 - syn of: Veprichlamys jousseaumei (Bavay, 1904)
enfieldensis, Serripecten enfieldensis (Marwick, 1926) † (FOSSIL)
eous, Pecten eous Melvill, 1907 - syn of: Similipecten eous (Melvill, 1907)
equivalvis, Pseudopecten equivalvis (Sowerby, 1816) † (FOSSIL)
ercolanianus, Hinnites ercolanianus Cocconi, 1873 - syn of: Talochlamys abscondita (Fischer, 1898)
ericellus, Argopecten ericellus Hertlein, 1929 † (FOSSIL)
erici, Leochlamys erici Wiedey, 1928 † (FOSSIL)
erlangeri, Chlamys erlangeri Dacque, 1905 † (FOSSIL)
ermanensis, Chlamys ermanensis Sinelnikova, 1975 † (FOSSIL)
ernestsmithi, Lyropecten ernestsmithi Tucker, 1931 † (FOSSIL)
erubescens, Chlamys erubescens (Reeve, 1853)
erycina, Mimachlamys erycina Dijkstra & Maestrati, 2010
erythraeensis, Pecten erythraeensis Sowerby, 1842
erythrocomata, Chlamys islandica erythrocomata Dall
eseri, Pecten eseri Oppel, 1856 † (FOSSIL)
estheris, Pecten estheris Crema, 1903 - syn of: Pseudamussium peslutrae (Linnaeus, 1771)
estrellanus, Nodipecten estrellanus (Conrad, 1856) † (FOSSIL)
etolonensis, Chlamys etolonensis Sinelnikova, 1990 † (FOSSIL)
eucosmia, Pecten eucosmia Turton, 1932 - syn of: Pascahinnites coruscans (Hinds, 1845)
eucymatus, Pecten eucymatus Dall, 1898 - syn of: Catillopecten eucymatus (Dall, 1898)
eugeniarum, Excellichlamys eugeniarum (Eames & Cox, 1956) † (FOSSIL)
eugrammatus, Pecten eugrammatus Dall, 1898 † - syn of: Argopecten thetidis (Sowerby, 1850) † (FOSSIL)
eulyratus, Lyropecten eulyratus Bayer, 1943 - syn of: Antillipecten antillarum (Récluz, 1853)
eulyratus, Lyropecten eulyratus Bayer, 1943 - syn of: Antillipecten antillarum (Récluz, 1853)
eulyratus, Pecten eulyratus Bayer, 1943 - syn of: Antillipecten antillarum (Récluz, 1853)
eulyratus, Bractechlamys eulyratus Bayer, 1943 - syn of: Antillipecten antillarum (Récluz, 1853)
eupatagonicus, Chlamys eupatagonicus Ihering, 1907 † (FOSSIL)
euterpes, Leptopecten euterpes Berry, 1957 - syn of: Paraleptopecten velero (Hertlein, 1935)
evecta, Bractechlamys evecta Iredale, 1939 - syn of: Bractechlamys vexillum (Reeve, 1853)
evecta, Bractechlamys evecta Iredale, 1939 - syn of: Bractechlamys vexillum (Reeve, 1853)
evermanni, Argopecten evermanni Jordan & Hertlein, 1926 † (FOSSIL)
exaratus, Chlamys exaratus Martin, 1879 † (FOSSIL)
exasperatus, Lindapecten exasperatus (Sowerby, 1842)
excavatus, Pecten excavatus Anton, 1838
excavatus, Pecten excavatus Valenciennes, 1846 - syn of: Euvola vogdesi (Arnold, 1906)
excavatus puncticulatus, Pecten excavatus puncticulatus Dunker, 1877
excentricus, Pecten excentricus Gabb, 1873 † - syn of: Argopecten eccentricus (Gabb, 1873) † (FOSSIL)
excisa, Lissochlamys excisa (Sacco, 1897) † (FOSSIL)
exotica, Lissochlamys exotica (Dillwyn, 1817)
exotica, Chlamys exotica Holton, 1802 - syn of: Lissochlamys exotica (Dillwyn, 1817)
exoticus, Pecten exoticus Chemnitz, 1795 - syn of: Lissochlamys exotica (Dillwyn, 1817)
expansus, Pecten expansus Dall, 1879 † - syn of: Patinopecten healeyi Arnold, 1906 † (FOSSIL)
expansus, Pecten expansus Smith, 1847 † (FOSSIL)
exsertus, Radulonectites exsertus Chen, 1982 † (FOSSIL)
eyrei, Talochlamys eyrei (Tate, 1886) † (FOSSIL)
fabricii, Pecten fabricii Philippi, 1844 - syn of: Chlamys islandica (Müller, 1776)
falconensis, Chlamys falconensis Hodson & Hodson, 1927 † - syn of: Lindapecten plurinominis (Pilsbry & Johnson, 1917) † (FOSSIL)
famigerator, Chlamys famigerator Iredale, 1925 - syn of: Talochlamys pulleineana (Tate, 1887)
farreri, Azumapecten farreri (Jones & Preston, 1904)
farreri akazara, Azumapecten farreri akazara (Kuroda, 1932)
farreri asperulata, Azumapecten farreri asperulata (Adams & Reeve, 1850)
farreri nipponensis, Azumapecten farreri nipponensis (Kuroda, 1932)
fasciculatum, Pseudamussium fasciculatum (Hinds, 1845)
fasciculatus, Manupecten fasciculatus (Millet, 1854) † (FOSSIL)
feddeni, Chlamys feddeni Vredenburg, 1928 † (FOSSIL)
felipes, Manupecten felipes Locard, 1886 - syn of: Manupecten pesfelis (Linnaeus, 1758)
felipponei, Flexopecten felipponei (Dall, 1922)
fenestralis, Pecten fenestralis Whidborne † (FOSSIL)
fenestratum, Mesopeplum fenestratum (Hedley, 1901)
fenestratus, Pecten fenestratus Forbes, 1844 - syn of: Parvamussium fenestratum (Forbes, 1844)
fenestratus, Chlamys fenestratus Martin, 1883 † (FOSSIL)
ferrugineus, Pecten ferrugineus Locard, 1889 - syn of: Flexopecten flexuosus (Poli, 1795)
fibrillosum, Pseudamussium fibrillosum (Salter) † (FOSSIL)
fibrosus, Pecten fibrosus Sowerby, 1816 † (FOSSIL)
fililextus, Pecten fililextus Li, 1930 - syn of: Argopecten ventricosus (Sowerby, 1842)
filosum, Amusium filosum Hauer, 1857 † (FOSSIL)
fimbriatus, Pecten fimbriatus Philippi, 1844 - syn of: Cyclopecten antiquatus (Philippi, 1844)
fimbriatus, Pecten fimbriatus Phillips, 1836 † (FOSSIL)
fischeri, Talochlamys fischeri (Zittel, 1865) † (FOSSIL)
fissicosta, Lyriochlamys fissicosta (Etheridge, 1881) † (FOSSIL)
fissicosta, Pecten fissicosta Etheridge, 1881 † - syn of: Lyriochlamys fissicosta (Etheridge, 1881) † (FOSSIL)
fittoni, Pecten fittoni Morris, 1845 † - syn of: Morrisipecten fittoni (Morris, 1845) † (FOSSIL)
flabellatus, Annachlamys flabellatus (Lamarck, 1819)
flabelliformis, Pecten flabelliformis (Brocchi, 1814) † (FOSSIL)
flabelloides, Decatopecten flabelloides Reeve, 1852 - syn of: Decatopecten amiculum Philippi, 1851
flabellum, Aequipecten flabellum (Gmelin, 1791)
flabellum, Pecten vaughani flabellum Cooke
flagellatus, Pecten flagellatus Delessert, 1841 - syn of: Flexopecten hyalinus (Poli, 1795)
flagellatus, Pecten flagellatus Lamarck, 1819 - syn of: Flexopecten flexuosus (Poli, 1795)
flagellatus, Chlamys flagellatus Lamarck, 1819 - syn of: Flexopecten flexuosus (Poli, 1795)
flammea, Mimachlamys flammea Gmelin, 1791 - syn of: Mimachlamys varia (Linnaeus, 1758)
flavicans, Semipallium flavicans (Linnaeus, 1758)
flavidulus, Pecten flavidulus Lamarck, 1819 - syn of: Flexopecten glaber (Linnaeus, 1758)
flemingianus, Pecten flemingianus de Koninck, 1863 † (FOSSIL)
flexuosus, Flexopecten flexuosus (Poli, 1795)
flindersi, Pecten flindersi Tate, 1886 † - syn of: Talochlamys eyrei (Tate, 1886) † (FOSSIL)
flintensis, Antillipecten flintensis (Mansfield, 1937) † (FOSSIL)
florens, Pecten florens Lamarck, 1819 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
florida, Aequipecten florida (Gmelin, 1791)
floridus, Leopecten floridus Hinds, 1845 - syn of: Leopecten diegensis (Dall, 1898)
fluctuatus, Delectopecten fluctuatus (Bavay, 1905)
fluctuatus, Ciclopecten fluctuatus Bavay, 1905 - syn of: Delectopecten fluctuatus (Bavay, 1905)
fluctuatus, Chlamys fluctuatus Bavay, 1905 - syn of: Delectopecten fluctuatus (Bavay, 1905)
foezyi, Praechlamys foezyi Fozy & al., 2013 † (FOSSIL)
foliaceus, Chlamys foliaceus Quoy & Gaimard, 1835 - syn of: Scaeochlamys livida (Lamarck, 1819)
forbesianus, Hemipecten forbesianus Adams & Reeve, 1849
foresti, Pecten foresti Martin, 1858 - syn of: Similipecten similis (Laskey, 1811)
formosum, Amusium japonicum formosum Habe
forticosta, Austrochlamys forticosta Beu & Taviani, 2013 † (FOSSIL)
fosterianus, Delectopecten fosterianus (Powell, 1933)
foulcheri, Semipallium foulcheri (Tenison Woods, 1865) † (FOSSIL)
fragilis, Pecten fragilis Jeffreys, 1876 - syn of: Hyalopecten pudicus (Smith, 1885)
fragosus, Nodipecten fragosus (Conrad, 1849)
fraterculus, Pecten fraterculus Sowerby, 1841
fredericksburgensis, Pecten fredericksburgensis Cragin, 1924 † - syn of: Neithea occidentalis (Conrad, 1855) † (FOSSIL)
freneixae, Eburneopecten freneixae Stilwell, 1998 † (FOSSIL)
fricata, Chlamys fricata Reeve, 1853 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
frigidus, Hyalopecten frigidus (Jensen, 1904)
fucanus, Vertipecten fucanus (Dall) † (FOSSIL)
fucatum, Pecten fucatum Reeve, 1853 - syn of: Antillipecten antillarum (Récluz, 1853)
fucatum, Pecten fucatum Reeve, 1853 - syn of: Antillipecten antillarum (Récluz, 1853)
fucatus, Bractechlamys fucatus Reeve, 1853 - syn of: Antillipecten antillarum (Récluz, 1853)
fuci, Pecten fuci Bosc, 1802 - syn of: Palliolum striatum (Müller, 1776)
fuci, Palliolum fuci Gmelin, 1791 - syn of: Palliolum striatum (Müller, 1776)
fultoni, Volachlamys fultoni (Sowerby, 1904)
fulvicostatum, Semipallium fulvicostatum (Adams & Reeve, 1850)
fulvicostatum luculentum, Semipallium fulvicostatum luculentum (Reeve, 1853)
fumatus, Pecten fumatus Barnard, 1962 - syn of: Pecten afribenedictus Kilburn & Dijkstra, 1995
fumatus, Pecten fumatus Reeve, 1852
fumatus albus, Pecten fumatus albus Reeve, 1852
funebris, Mimachlamys funebris (Reeve, 1853)
funebris, Chlamys funebris , † (FOSSIL)
furtivus, Pecten furtivus Lovén, 1846 - syn of: Palliolum incomparabile (Risso, 1826)
fuscopurpureus, Pecten fuscopurpureus Conrad, 1849 - syn of: Lindapecten muscosus (Wood, 1828)
fuscus, Pecten fuscus Sowerby, 1842 - syn of: Pecten fumatus Reeve, 1852
gabonensis, Nodipecten nodosus gabonensis Nicolay
gackhense, Chlamys gackhense Krishtofovich & Ilyina, 1963 † (FOSSIL)
galapagensis, Euvola galapagensis (Grau, 1959)
gallegosi, Lyropecten gallegosi Jordan & Hertlein, 1926 † (FOSSIL)
gallimus, Pecten gallimus De Gregorio, 1885 - syn of: Parvamussium fenestratum (Forbes, 1844)
gardineri, Serratovola gardineri (Smith, 1903)
gardnerae, Antillipecten gardnerae Cooke, 1919 † - syn of: Antillipecten cercadicus (Maury, 1917) † (FOSSIL)
gardneri, Pecten gardneri (Smith, 1903) - syn of: Serratovola gardineri (Smith, 1903)
gatunensis, Leopecten gatunensis (Toula, 1909) † (FOSSIL)
gatunensis macdonaldi, Leopecten gatunensis macdonaldi (Olsson, 1922)
gatunensis protistus, Leopecten gatunensis protistus Woodring, 1982
gatunensis tapeinus, Leopecten gatunensis tapeinus Woodring, 1982
gaussiana, Palliolum gaussiana Thiele, 1912 - syn of: Cyclochlamys gaussiana (Thiele, 1912)
gavena, Mimachlamys gavena Iredale, 1939 - syn of: Mimachlamys lentiginosa (Reeve, 1853)
gazdickii, Austrochlamys gazdickii Jonkers, 2003 † (FOSSIL)
gazdzickii, Leoclunipecten gazdzickii (Jonkers, 2003) † (FOSSIL)
gedinganensis, Pecten gedinganensis Martin, 1909 † (FOSSIL)
gelatinosum, Pseudamussium gelatinosum Mabille & Rochebrune, 1889 - syn of: Delectopecten vitreus (Gmelin, 1791)
gelatinosus, Delectopecten gelatinosus Mabille & Rochebrune, 1889 - syn of: Delectopecten vitreus (Gmelin, 1791)
geminata, Zygochlamys geminata (Sowerby, 1846) † (FOSSIL)
gemmeus, Chlamys gemmeus Reeve, 1853 - syn of: Talochlamys gemmulata (Reeve, 1853)
gemmulata, Talochlamys gemmulata (Reeve, 1853)
gemmulata suteri, Talochlamys gemmulata suteri (Hertlein, 1933)
generosus, Chlamys generosus (Cragin, 1893) † (FOSSIL)
gentoni, Chlamys gentoni (Fontannes) † (FOSSIL)
georgetownensis, Neithea georgetownensis Kniker, 1919 † (FOSSIL)
gerardi, Palliolum gerardi (Nyst, 1835) † (FOSSIL)
gibbosa, Neithea gibbosa (Pultney, 1813) † (FOSSIL)
gibbus, Argopecten gibbus (Linnaeus, 1758)
gibbus amplicostatus, Argopecten gibbus amplicostatus Dall, 1898 - syn of: Argopecten irradians amplicostatus (Dall, 1898)
gibbus imitatoides, Argopecten gibbus imitatoides Macsotay & Campos, 2001
gigantea, Crassadoma gigantea (Gray, 1825)
giganteus, Camptonectes giganteus Arkell, 1926 † (FOSSIL)
gigas, Oopecten gigas (von Schlotheim, 1813) † (FOSSIL)
gigas, Oopecten gigas Schlotheim, 1813 † (FOSSIL)
gilbertharrisi, Argopecten gilbertharrisi Hodson & Hodson, 1927 † (FOSSIL)
gilbertharrisi democracianus, Argopecten gilbertharrisi democracianus Hodson & Hodson, 1927
gilchristi, Pseudamussium gilchristi (Sowerby III, 1904)
glaber, Indopecten glaber (Douglas, 1929) † (FOSSIL)
glaber, Flexopecten glaber (Linnaeus, 1758)
glaber citrina, Flexopecten glaber citrina (Gmelin, 1791)
glaber jonstoni, Flexopecten glaber jonstoni (Delle Chiaje, 1842)
glaber ponticus, Flexopecten glaber ponticus (Bucquoy, Dautzenberg & Dollfus, 1889)
glaber proteus, Flexopecten glaber proteus (Dillwyn, 1817)
glabra, Chlamys glabra Linnaeus, 1758 - syn of: Flexopecten glaber (Linnaeus, 1758)
gladysiae, Laevichlamys gladysiae (Melvill, 1888)
gloriosa, Mimachlamys gloriosa (Reeve, 1853)
glyptus, Aequipecten glyptus (Verrill, 1882)
golus, Pecten golus De Gregorio, 1885 - syn of: Flexopecten glaber (Linnaeus, 1758)
gonioides, Argopecten gonioides Woodring, 1925 † - syn of: Argopecten uselmae Pilsbry & Johnson, 1917 † (FOSSIL)
gordus, Pecten gordus Olsson, 1964 † (FOSSIL)
gracilis, Pecten gracilis Linnaeus, 1758 - syn of: Aequipecten opercularis (Linnaeus, 1758)
gradus, Eopecten gradus (Lycett, 1863) † (FOSSIL)
gramamensis, Pecten gramamensis Maury, 1930 † (FOSSIL)
grandis, Camptonectes grandis Hector, 1886 † (FOSSIL)
grandis, Pecten grandis Sowerby, 1828 † (FOSSIL)
grangei, Sectipecten grangei Boreham, 1961 † (FOSSIL)
granulocostatus, Pecten granulocostatus Klipstein, 1843 † - syn of: Pecten protei Münster, 1841 † (FOSSIL)
granulosus, Hinnites granulosus Klipstein, 1843 † (FOSSIL)
grapteus, Pecten grapteus Maury, 1924 † (FOSSIL)
gratus, Argopecten gratus Del Rio, 1992 † (FOSSIL)
greenlandicus, Pecten greenlandicus Sowerby, 1842 - syn of: Similipecten greenlandicus (Sowerby, 1842)
greggi, Dhondtichlamys greggi (Harris, 1897) † (FOSSIL)
gregoryi, Anguipecten gregoryi Dall & al., 1938
griggi, Decatopecten radula griggi Webb
griseus, Pecten griseus Lamarck, 1819 - syn of: Flexopecten glaber (Linnaeus, 1758)
groenlandica, Pecten groenlandica Sowerby, 1842 - syn of: Similipecten greenlandicus (Sowerby, 1842)
grossiana, Mimachlamys grossiana Iredale, 1939 - syn of: Laevichlamys squamosa (Gmelin, 1791)
grossouvrei, Chlamys grossouvrei Cossmann, 1907
guajatacus, Pecten guajatacus Maury, 1920 † (FOSSIL)
guanicus, Antillipecten guanicus (Maury, 1920) † (FOSSIL)
guayubinensis, Caribachlamys guayubinensis Waller, 2011 † (FOSSIL)
guendolenae, Pecten guendolenae Melvill, 1888 - syn of: Cryptopecten nux (Reeve, 1853)
guendolinae, Pecten guendolinae Melvill, 1888 - syn of: Cryptopecten nux (Reeve, 1853)
guersi, Palliolum guersi Wienrich, 1999
gurabensis, Euvola gurabensis Waller, 2011 † (FOSSIL)
hadalis, Hyalopecten hadalis (Knudsen, 1970)
hakei, Argopecten hakei Hertlein, 1925 † (FOSSIL)
hallae, Fortipecten hallae (Dall, 1921) † (FOSSIL)
hallae, Semipallium hallae Cotton, 1960
hamlini, Pecten hamlini Arnold, 1906 † (FOSSIL)
hanaishiensis, Chlamys hanaishiensis Masuda, 1962 - syn of: Chlamys albida (Dall, 1906)
hancocki, Euvola hancocki (Grau, 1959)
harfordus, Delectopecten harfordus (Davis, 1913) † (FOSSIL)
harmeri, Crassadoma harmeri (Regteren Altena, 1937) † (FOSSIL)
hartmanni, Pecten hartmanni Hertlein, 1925 † (FOSSIL)
hartzi, Eopecten hartzi Rosenkrantz, 1957 † (FOSSIL)
hastata, Chlamys hastata (Sowerby, 1842)
hastata, Chlamys hastata Oldroyd, 1920 - syn of: Chlamys hastata pudgetensis Oldroyd, 1920
hastata hericius, Chlamys hastata hericius (Gould, 1850)
hastata pudgetensis, Chlamys hastata pudgetensis Oldroyd, 1920
hastingsii, Pecten hastingsii Melvill, 1888 - syn of: Cryptopecten nux (Reeve, 1853)
hatoviejonis, Pecten hatoviejonis Maury, 1917 † - syn of: Argopecten thetidis (Sowerby, 1850) † (FOSSIL)
hausmanni, Palliolum hausmanni (Goldfuss, 1835) † (FOSSIL)
hawaiensis, Pascahinnites coruscans hawaiensis Dall, Bartsch & Rehder
hawni, Pecten hawni Geinitz, 1866 † - syn of: Acanthopecten carboniferus (Stevens, 1858) † (FOSSIL)
healeyi, Patinopecten healeyi Arnold, 1906 † (FOSSIL)
hectori, Kaparachlamys hectori (Hutton, 1873) † (FOSSIL)
heimi, Pecten heimi Hertlein, 1925 - syn of: Euvola vogdesi (Arnold, 1906)
heliacus, Aequipecten heliacus (Dall, 1925)
helleri, Decatopecten helleri Preston, 1909 - syn of: Decatopecten amiculum Philippi, 1851
hemicostata, Radulopecten hemicostata Morris & Lycett, 1853 † (FOSSIL)
hemiradiatus, Pseudohinnites hemiradiatus (de Folin, 1887)
hemphillii, Pecten hemphillii Dall, 1879 † - syn of: Pecten bellus Conrad, 1857 † (FOSSIL)
herica, Chlamys herica Sowerby, 1842 - syn of: Chlamys hastata (Sowerby, 1842)
hericeus, Chlamys hericeus Dall, 1898 - syn of: Chlamys behringiana Middendorff, 1849
hericius, Chlamys hastata hericius Gould
hericius, Pecten hericius Gould, 1850 - syn of: Chlamys hastata hericius (Gould, 1850)
hericius albidus, Chlamys hericius albidus Arnold, 1906 - syn of: Chlamys albida (Dall, 1906)
hertleini, Chlamys hertleini Loel & Corey, 1932 † (FOSSIL)
hexactes, Notochlamys hexactes (Péron, 1819)
hexactes, Pecten hexactes Péron, 1819 - syn of: Notochlamys hexactes (Péron, 1819)
hexactus, Chlamys hexactus Lamarck, 1819 - syn of: Notochlamys hexactes (Péron, 1819)
hilli, Mesopeplum hilli (Hutton, 1905) † (FOSSIL)
himalayensis, Indopecten himalayensis Wen & Lan, 1976 † (FOSSIL)
hindsii, Pecten hindsii Carpenter, 1864 - syn of: Chlamys rubida Hinds, 1845
hindsii, Pecten hindsii Carpenter, 1864 - syn of: Chlamys rubida Hinds, 1845
hindsii kincaidi, Pecten hindsii kincaidi Oldroyd, 1920 - syn of: Chlamys rubida Hinds, 1845
hirasei, Volachlamys hirasei (Bavay, 1904)
hirasei, Chlamys hirasei Bavay, 1904 - syn of: Volachlamys hirasei (Bavay, 1904)
hirasei awajiensis, Volachlamys hirasei awajiensis (Pilsbry, 1905)
hirasei ecostata, Volachlamys hirasei ecostata (Bavay, 1904)
histrionica, Excellichlamys histrionica (Gmelin, 1791)
hochstetteri, Lentipecten hochstetteri (Zittel, 1864) † (FOSSIL)
hodgei, Chlamys hodgei Hertlein, 1925 † (FOSSIL)
hodgii, Pecten hodgii Hubbard, 1920 † - syn of: Mimachlamys canalis (Brown & Pilsbry, 1913) † (FOSSIL)
hohxilensis, Praechlamys hohxilensis Sha, 1995 † (FOSSIL)
hokurikuensis, Patinopecten tokyoensis hokurikuensis Akiyama (FOSSIL)
hornensis, Pecten hornensis Deperet & Roman, 1902 † (FOSSIL)
hoskynsi, Pecten hoskynsi Forbes, 1844 - syn of: Cyclopecten hoskynsi (Forbes, 1844)
hoskynsi major, Pecten hoskynsi major Leche, 1883 - syn of: Cyclopecten hoskynsi (Forbes, 1844)
hulshofi, Amusium hulshofi Martin, 1883 † (FOSSIL)
humilis, Talochlamys humilis (Sowerby, 1904)
humphreysii, Pecten humphreysii Conrad, 1842 † (FOSSIL)
humphreysii woolmani, Pecten humphreysii woolmani Richards & Harbison, 1942
hupeanus, Chlamys hupeanus Philippi, 1887 † (FOSSIL)
hutchinsoni, Serripecten hutchinsoni (Hutton, 1873) † (FOSSIL)
hyalina radiata, Aequipecten hyalina radiata Pallary, 1900 - syn of: Flexopecten hyalinus (Poli, 1795)
hyalinus, Flexopecten hyalinus (Poli, 1795)
hybridum, Flexopecten hybridum (Gmelin, 1791)
hypomeces, Amussium hypomeces Dautzenberg & Fischer, 1897 - syn of: Propeamussium lucidum (Jeffreys, 1873)
hysginodes, Pecten hysginodes Melvill, 1888 - syn of: Cryptopecten vesiculosus (Dunker, 1877)
hyugaensis, Amussiopecten hyugaensis Shuto, 1955 † - syn of: Amussiopecten iitomiensis Otuka, 1934 † (FOSSIL)
iacobaeus waikikius, Pecten iacobaeus waikikius Dall, Bartsch & Rehder, 1938 - syn of: Pecten waikikius Dall, Bartsch & Rehder, 1938
idaea, Chlamys idaea Reeve, 1853 - syn of: Karnekampia sulcata (Müller, 1776)
iheringii, Swiftopecten iheringii Del Rio, 1995 † (FOSSIL)
iitomiensis, Amussiopecten iitomiensis Otuka, 1934 † (FOSSIL)
iljinensis, Chlamys iljinensis Sinelnikova, 1990 † (FOSSIL)
illawarensis, Pecten illawarensis Morris, 1845 † - syn of: Deltopecten illawarrensis (Morris, 1845) † (FOSSIL)
illawarrensis, Pecten illawarrensis Morris, 1845 † - syn of: Deltopecten illawarrensis (Morris, 1845) † (FOSSIL)
illesca, Pecten illesca Olsson, 1932 † (FOSSIL)
imbricata, Chlamys imbricata Gmelin, 1791 - syn of: Caribachlamys pellucens (Linnaeus, 1758)
imbrifer, Pecten imbrifer Lovén, 1846 - syn of: Cyclopecten hoskynsi imbrifer (Lovén, 1846)
imitatoides, Argopecten gibbus imitatoides Macsotay & Campos
imparicostatus, Chlamys imparicostatus Bavay, 1905 - syn of: Talochlamys zelandiae (Gray, 1843)
imperfectus, Duplipecten imperfectus Marwick, 1928 † (FOSSIL)
ina, Amussium ina Dautzenberg & Bavay, 1912 - syn of: Propeamussium ina (Dautzenberg & Bavay, 1912)
inaequalis, Pecten inaequalis Cossmann & Lambert, 1884 † (FOSSIL)
inaequalis, Talochlamys inaequalis Dijkstra & Moolenbeek, 2008
inaequalis, Pecten inaequalis Sowerby, 1842 - syn of: Haumea minuta (Linnaeus, 1758)
inaequicostalis, Chlamys inaequicostalis Lamarck, 1819 † (FOSSIL)
inaequisculptus, Pecten inaequisculptus Tiberi, 1855 - syn of: Parvamussium fenestratum (Forbes, 1844)
inaequistriata, Velata inaequistriata Futterer, 1897 † - syn of: Eopecten inaequistriatus Futterer, 1897 † (FOSSIL)
inaequistriatus, Eopecten inaequistriatus Futterer, 1897 † (FOSSIL)
inaequistriatus, Pecten inaequistriatus Goldfuss, 1838 † - syn of: Leptochondria albertii (Goldfuss, 1838) † (FOSSIL)
inaequivalvis, Argopecten inaequivalvis Sowerby, 1842 - syn of: Haumea minuta (Linnaeus, 1758)
inca, Argopecten ventricosus inca D'Orbigny
inca, Pecten inca D'Orbigny, 1846 - syn of: Argopecten ventricosus inca (D'Orbigny, 1846)
incantata, Veprichlamys incantata (Hertlein, 1972)
incarnata, Mimachlamys incarnata Gmelin, 1791 - syn of: Mimachlamys varia (Linnaeus, 1758)
incarnata, Chlamys incarnata Hertlein, 1972
incertae, Anatipopecten incertae (Tucker-Rowland, 1938) † (FOSSIL)
incertus, Mesopeplum incertus (Tenison Woods, 1867) † (FOSSIL)
incomparabile, Palliolum incomparabile (Risso, 1826)
incongruus, Pseudamusium incongruus Dall, 1916 - syn of: Cyclopecten incongruus (Dall, 1916)
inconspicuus, Pecten inconspicuus Cragin, 1895 † - syn of: Syncyclonema inconspicuus (Cragin, 1895) † (FOSSIL)
indecisa, Chlamys indecisa Dall, 1898 † (FOSSIL)
indicus, Pecten indicus Deshayes, 1832 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
indissolubilis, Chlamys indissolubilis Maury, 1924 † (FOSSIL)
inflexum, Pseudamussium inflexum (Poli, 1795) † (FOSSIL)
infumata, Chlamys infumata (Lamarck) † (FOSSIL)
infumata, Mimachlamys infumata (Lamarck, 1806) † (FOSSIL)
ingeniosa, Chlamys ingeniosa Yokoyama, 1929 † (FOSSIL)
insculpta, Chlamys islandica insculpta Verrill
instar, Chlamys instar Iredale, 1925 - syn of: Zygochlamys delicatula (Hutton, 1873)
insuetus, Argopecten insuetus Del Rio, 1992 † (FOSSIL)
interlineatus, Pecten interlineatus Gabb, 1873 † - syn of: Insolitotheca communis (Billings, 1872) † (FOSSIL)
intermedius, Pecten intermedius Monterosato, 1899 - syn of: Pecten jacobaea (Linnaeus, 1758)
intermittens, Pecten intermittens Whidborne † (FOSSIL)
interstriatus, Pecten interstriatus Münster, 1841 † - syn of: Pecten nerei Münster, 1841 † (FOSSIL)
intuscostatum, Pecten intuscostatum Yokoyama, 1920 - syn of: Parvamussium intuscostatum (Yokoyama, 1920)
invalidus, Argopecten invalidus Hanna, 1924 † (FOSSIL)
investigatoris, Amussium investigatoris Smith, 1906 - syn of: Propeamussium investigatoris (Smith, 1906)
iredalei, Annachlamys iredalei Powell, 1958
irradians, Argopecten irradians (Lamarck, 1819)
irradians amplicostatus, Argopecten irradians amplicostatus (Dall, 1898)
irradians concentricus, Argopecten irradians concentricus (Say, 1822)
irradians sablensis, Argopecten irradians sablensis Clarke, 1965
irradians taylorae, Argopecten irradians taylorae Petuch, 1987
irregularis, Peeten irregularis Bose, 1925 † - syn of: Neithea occidentalis (Conrad, 1855) † (FOSSIL)
irregularis, Pecten irregularis Deshayes, 1832 - syn of: Talochlamys pusio (Linnaeus, 1758)
irregularis, Chlamys irregularis Sowerby, 1842 - syn of: Laevichlamys cuneata (Reeve, 1853)
irremotis, Leptopecten irremotis (Olsson & Harbison, 1953) † (FOSSIL)
isabella, Flexopecten isabella Lamarck, 1819 - syn of: Flexopecten flexuosus (Poli, 1795)
isabellae, Chlamys isabellae Macgillivray, 1843 - syn of: Talochlamys pusio (Linnaeus, 1758)
isabellensis, Leopecten isabellensis Waller, 2007
ischnon, Pecten ischnon Pilsbry & Johnson, 1917 † - syn of: Leptopecten thompsoni (Maury, 1917) † (FOSSIL)
islandica, Chlamys islandica (Müller, 1776)
islandica albida, Chlamys islandica albida Arnold, 1906 - syn of: Chlamys albida (Dall, 1906)
islandica erythrocomata, Chlamys islandica erythrocomata Dall, 1907
islandica insculpta, Chlamys islandica insculpta Verrill, 1897
islandicus pugetensis, Pecten islandicus pugetensis Oldroyd, 1920 - syn of: Chlamys hastata (Sowerby, 1842)
isomeres, Minnivola isomeres Iredale, 1939 - syn of: Minnivola pyxidata (Born, 1778)
itoigawae, Chlamys itoigawae Masuda, 1962 † (FOSSIL)
iwakiana, Leochlamys iwakiana Yokoyama, 1925 † (FOSSIL)
iwamurensis, Chlamys iwamurensis Itoigawa, 1955 † (FOSSIL)
iwriensis, Chlamys iwriensis Sinelnikova, 1990 † (FOSSIL)
izuensis, Decatopecten izuensis (Nomura & Niino) † (FOSSIL)
izurense, Gloripallium izurense Masuda, 1958 † (FOSSIL)
jacobaea, Pecten jacobaea (Linnaeus, 1758)
jacobaeus byronensis, Pecten jacobaeus byronensis Fleming, 1955 - syn of: Pecten fumatus albus Reeve, 1852
jacobea, Vola jacobea Linnaeus, 1758 - syn of: Pecten jacobaea (Linnaeus, 1758)
jacobea striatissima, Vola jacobea striatissima Foresti, 1876 - syn of: Pecten jacobaea (Linnaeus, 1758)
jacobeus, Pecten jacobeus Linnaeus, 1758 - syn of: Pecten jacobaea (Linnaeus, 1758)
jacobianus, Aequipecten jacobianus Cooke, 1919 † (FOSSIL)
jamaicensis, Euvola jamaicensis Waller, 2011 † (FOSSIL)
jamesoni, Pecten jamesoni Forbes, 1839 - syn of: Pseudamussium peslutrae (Linnaeus, 1771)
jamieae, Carolinapecten jamieae Petuch, 2004 † (FOSSIL)
jamviniensis, Chlamys jamviniensis Cox, 1927 † (FOSSIL)
janicoensis, Antillipecten janicoensis Waller, 2011 † (FOSSIL)
janiroides, Chlamys janiroides Cossmann, 1907
janus, Bractechlamys janus Montrouzier, 1858 - syn of: Bractechlamys vexillum (Reeve, 1853)
japonica, Amusium japonica Gmelin, 1791 - syn of: Amusium japonicum (Gmelin, 1791)
japonicum, Amusium japonicum (Gmelin, 1791)
japonicum, Radulonectites japonicum (Hayami, 1975) † (FOSSIL)
japonicum balloti, Amusium japonicum balloti Bernardi, 1861 - syn of: Ylistrum balloti (Bernardi, 1861)
japonicum formosum, Amusium japonicum formosum Habe, 1964
japonicum taiwanense, Amusium japonicum taiwanense Dijkstra, 1988
javanus, Pecten javanus Martin, 1879 † (FOSSIL)
jeffersonius, Chesapecten jeffersonius (Say, 1824) † (FOSSIL)
jeffersonius septenarius, Chesapecten jeffersonius septenarius (Say, 1824) † (FOSSIL)
jeffreysi, Chlamys jeffreysi De Gregorio, 1884 - syn of: Austrochlamys natans (Philippi, 1845)
jickelii, Pecten jickelii Dunker, 1882
jinyaensis, Periclaraia jinyaensis Chen & Komatsu, 2002 † (FOSSIL)
johnsoni, Dhondtichlamys johnsoni (Clark, 1895) † (FOSSIL)
johnstrupi, Pecten johnstrupi Lundgren, 1895
jonkersi, Adamussium jonkersi Quaglio & al., 2010 † (FOSSIL)
jonstoni, Flexopecten glaber jonstoni Delle Chiaje
jordani, Chlamys jordani Arnold, 1903 - syn of: Chlamys rubida Hinds, 1845
jordani, Chlamys jordani Arnold, 1903 - syn of: Chlamys rubida Hinds, 1845
jorgensis, Zygochlamys jorgensis Ihering, 1907 † (FOSSIL)
josslingi, Oppenheimopecten josslingi (Smith, 1857) † (FOSSIL)
jousseaumei, Veprichlamys jousseaumei (Bavay, 1904)
juddi, Haumea juddi Dall, Bartsch & Rehder, 1938 - syn of: Haumea loxoides (Sowerby, 1882)
juliana, Jorgechlamys juliana (Ihering, 1907) † (FOSSIL)
jullieni, Pecten jullieni Jousseaume, 1882
jungi, Caribachlamys jungi Waller, 2011 † (FOSSIL)
kachhensis, Pecten kachhensis Cox, 1952 † - syn of: Weyla kachhensis (Cox, 1952) † (FOSSIL)
kadari, Lentipecten kadari Kotaka & Hasibuan, 1983 † (FOSSIL)
kagamianus, Kotorapecten kagamianus (Yokoyama, 1923) † (FOSSIL)
kaiparaense, Mesopeplum kaiparaense (Finlay, 1924) † (FOSSIL)
kakertensis, Nanaochlamys kakertensis Sinelnikova, 1975 † (FOSSIL)
kallinubilosus, Leptopecten kallinubilosus Bayer, 1943 - syn of: Leptopecten linki (Dall, 1926)
kamtschatica, Delectopecten kamtschatica Krishtofovich, 1984 † - syn of: Pseudamussium peckhami Gabb, 1906 † (FOSSIL)
kaneharai, Mimachlamys kaneharai (Yokoyama, 1926) † (FOSSIL)
kapitiensis, Mesopeplum kapitiensis Mestayer, 1929 - syn of: Mesopeplum convexum (Quoy, 1835)
karaginskiensis, Chlamys karaginskiensis Sinelnikova, 1975 † (FOSSIL)
katieae, Towaipecten katieae Beu, 1995 † (FOSSIL)
kauaiensis, Mimachlamys kauaiensis (Dall, Bartsch & Rehder, 1938)
kavranensis, Chlamys kavranensis Sinelnikova, 1975 † (FOSSIL)
kebolintangensis, Chlamys kebolintangensis Martin, 1909 † (FOSSIL)
keepi, Euvola keepi Arnold, 1906 † (FOSSIL)
keiloriana, Talochlamys keiloriana (Crespin, 1926) † (FOSSIL)
kengaluorum, Semipallium kengaluorum Dijkstra, 1986 - syn of: Semipallium dringi (Reeve, 1853)
kenyoshiensis, Fortipecten kenyoshiensis (Chinzei, 1960) † (FOSSIL)
keppelianus, Pecten keppelianus Sowerby, 1905
kikaiensis, Aequipecten kikaiensis Nomura & Zinbo, 1934 - syn of: Cryptopecten nux (Reeve, 1853)
kimurai, Mizuhopecten kimurai (Yokoyama, 1925) † (FOSSIL)
kimurai, Patinopecten kimurai Nomura & Hatai, 1937 † - syn of: Mizuhopecten kimurai (Yokoyama, 1925) † (FOSSIL)
kincaidi, Pecten kincaidi Oldroyd, 1920 - syn of: Chlamys rubida Hinds, 1845
kincaidi, Chlamys kincaidi Oldroyd, 1920 - syn of: Chlamys rubida Hinds, 1845
kindlei, Swiftopecten swifti kindlei Dall (FOSSIL)
kitamiensis, Mizuhopecten kitamiensis Satoru & al., 1966 † (FOSSIL)
kitamurai, Nanaochlamys kitamurai (Kotaka, 1955) † (FOSSIL)
kiwaensis, Veprichlamys kiwaensis Powell, 1939
kokcharofi, Pecten kokcharofi de Verneuil, 1845 † (FOSSIL)
korfiensis, Kotorapecten korfiensis Sinelnikova, 1975 † (FOSSIL)
kotaklensis, Chlamys kotaklensis Hayami, 1957 † (FOSSIL)
kotorana, Chlamys kotorana Otuka, 1934 † (FOSSIL)
kryshtofowichi, Chlamys kryshtofowichi Kiparisova, 1938 † - syn of: Confusionella loczyi (Bittner, 1901) † (FOSSIL)
kuhnholtzi, Annachlamys kuhnholtzi (Bernardi, 1860)
kularensis, Janopecten kularensis Archipov & Truschelev, 1980 † (FOSSIL)
kulkensis, Mizuhopecten kulkensis (Slodkewitsch, 1938) † (FOSSIL)
kumanodoensis, Chlamys kumanodoensis Masuda, 1953 † (FOSSIL)
kupei, Pecten kupei Fleming, 1951 - syn of: Pecten novaezelandiae Reeve, 1852
kurilensis, Hyalopecten kurilensis Kamenev, 2016
kuroishiensis, Fortipecten kuroishiensis Kotaka & Noda, 1967 † (FOSSIL)
labadyei, Amussiopecten labadyei (d'Archaic & Haime, 1853) † (FOSSIL)
lacabrensis, Argopecten eccentricus lacabrensis Waller
lachenbruchi, Vertipecten lachenbruchi MacNeil, 1967 † (FOSSIL)
laetus, Chlamys laetus Gould, 1850 - syn of: Talochlamys zelandiae (Gray, 1843)
laevigata, Amusium laevigata Swainson, 1840 - syn of: Amusium pleuronectes (Linnaeus, 1758)
laevigatus, Delectopecten vitreus laevigatus Lovén
laevis, Pleuronectia laevis Jeffreys, 1879 - syn of: Similipecten similis (Laskey, 1811)
laevis, Palliolum tigerinum laevis Pennant
laevis, Pecten laevis Pennant, 1777 - syn of: Palliolum tigerinum laevis (Pennant, 1777)
laleiensis, Pecten tagicus laleiensis Erunal-Erentoz (FOSSIL)
lamarcki, Pecten lamarcki Chenu, 1843 - syn of: Pecten fumatus Reeve, 1852
lamberti, Anguipecten lamberti (Souverbie, 1874)
laminatus, Camptonectes laminatus (Sowerby, 1818) † (FOSSIL)
laminatus, Pecten laminatus Sowerby, 1818 † (FOSSIL)
landsburgi, Palliolum landsburgi Smith, 1839 - syn of: Palliolum striatum (Müller, 1776)
langfordi, Bractechlamys langfordi (Dall, Bartsch & Rehder, 1938)
lapparenti, Neithea lapparenti Choffat, 1900 † (FOSSIL)
laqueatus, Pecten laqueatus Sowerby, 1842 - syn of: Pecten albicans (Schröter, 1802)
laresianus, Pecten sansebastianus laresianus Maury
larvata, Azumapecten larvata (Reeve, 1853)
larvata, Laevichlamys squamosa larvata Reeve
larvata, Chlamys larvata Reeve, 1853 - syn of: Laevichlamys squamosa larvata (Reeve, 1853)
lastroensis, Neithea quadricostata lastroensis Maury (FOSSIL)
latiauratus, Leptopecten latiauratus (Conrad, 1837)
latiauratus, Pecten latiauratus Conrad, 1837 - syn of: Leptopecten latiauratus (Conrad, 1837)
latiauratus cerritensis, Pecten latiauratus cerritensis Arnold, 1906 - syn of: Leptopecten latiauratus (Conrad, 1837)
latiauratus delosi, Pecten latiauratus delosi Arnold, 1906 - syn of: Leptopecten latiauratus (Conrad, 1837)
latiauratus fragilis, Pecten latiauratus fragilis Arnold, 1903 - syn of: Leptopecten latiauratus (Conrad, 1837)
latiauratus fucicolus, Pecten latiauratus fucicolus Dall, 1898 - syn of: Leptopecten latiauratus (Conrad, 1837)
latiauratus indentus, Pecten latiauratus indentus Li, 1930 - syn of: Leptopecten tumbezensis (D'Orbigny, 1846)
latiauratus monotimeris, Leptopecten latiauratus monotimeris (Conrad, 1837)
latiauratus splendens, Pecten latiauratus splendens Li, 1930 - syn of: Leptopecten tumbezensis (D'Orbigny, 1846)
laticostata, Vola laticostata Angas, 1865 - syn of: Pecten fumatus albus Reeve, 1852
laticostata, Talochlamys laticostata Beu & Darragh, 2001 † (FOSSIL)
laticostatus, Pecten laticostatus Gray, 1835 - syn of: Pecten novaezelandiae Reeve, 1852
laticostatus, Pecten laticostatus Lamarck, 1819 - syn of: Pecten novaezelandiae Reeve, 1852
latissima, Chlamys latissima (Brocchi, 1814) † (FOSSIL)
latissima, Macrochlamis latissima (Bruguière) † (FOSSIL)
lauensis, Laevichlamys lauensis (Ladd, 1945) † (FOSSIL)
laurenti, Euvola laurenti (Gmelin, 1791)
laurenti, Euvola laurenti Gmelin, 1791 - syn of: Euvola laurenti (Gmelin, 1791)
layardi, Chlamys layardi Reeve, 1853 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
lecontei, Pecten lecontei Arnold, 1906 † (FOSSIL)
ledonicus, Camptonectes ledonicus De Loriol, 1904 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
lemniscata, Scaeochlamys lemniscata (Reeve, 1853)
lemniscata, Laevichlamys lemniscata Reeve, 1853 - syn of: Scaeochlamys lemniscata (Reeve, 1853)
lemniscatus, Pecten lemniscatus Reeve, 1853 - syn of: Scaeochlamys lemniscata (Reeve, 1853)
lenaensis, Janopecten lenaensis Kurushin, 1985 † (FOSSIL)
leniusculus, Pecten leniusculus Dana, 1847 † - syn of: Etheripecten leniusculus (Dana, 1847) † (FOSSIL)
lens, Camptonectes lens (Sowerby, 1818) † (FOSSIL)
lens, Camptonectes lens Greppin, 1899 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
lens, Pecten lens Sowerby, 1818 † - syn of: Camptonectes lens (Sowerby, 1818) † (FOSSIL)
lentiginosa, Mimachlamys lentiginosa (Reeve, 1853)
leopardus, Annachlamys leopardus Reeve, 1853 - syn of: Annachlamys flabellatus (Lamarck, 1819)
leopardus, Pecten leopardus Reeve, 1853 - syn of: Annachlamys flabellatus (Lamarck, 1819)
leopardus rena, Annachlamys leopardus rena Iredale, 1939 - syn of: Annachlamys kuhnholtzi (Bernardi, 1860)
leprosa, Veprichlamys leprosa Beu & Darragh, 2001 † (FOSSIL)
leptaleus, Pecten leptaleus Verrill, 1897 - syn of: Cyclopecten leptaleus (Verrill, 1884)
leptogaster, Chlamys leptogaster Brusina, 1866 - syn of: Karnekampia sulcata (Müller, 1776)
leucophaeus, Argopecten leucophaeus Reeve, 1852 - syn of: Argopecten irradians concentricus (Say, 1822)
levicostatus, Argopecten levicostatus Toula, 1909 † (FOSSIL)
levii, Pseudohinnites levii Dijkstra, 1989
lilli, Pseudamussium lilli (Pusch, 1837) † (FOSSIL)
lillisi, Delectopecten lillisi Hertlein, 1934 † (FOSSIL)
liltvedi, Chlamys liltvedi Wagner, 1984 - syn of: Scaeochlamys lemniscata (Reeve, 1853)
limaeformis, Pecten limaeformis Morris, 1845 † - syn of: Deltopecten limaeformis (Morris, 1845) † (FOSSIL)
limatulus, Laevichlamys limatulus (Reeve, 1853)
lindae, Aequipecten lindae Petuch, 1995 - syn of: Lindapecten muscosus (Wood, 1828)
lineata, Aequipecten opercularis lineata Da Costa
lineatus, Chlamys lineatus Da Costa, 1778 - syn of: Aequipecten opercularis lineata (Da Costa, 1778)
lineatus albida, Pecten lineatus albida Locard, 1888 - syn of: Aequipecten opercularis (Linnaeus, 1758)
lineatus bicolor, Pecten lineatus bicolor Locard, 1888 - syn of: Aequipecten opercularis (Linnaeus, 1758)
lineolaris, Aequipecten lineolaris (Lamarck, 1819)
linki, Leptopecten linki (Dall, 1926)
liocymatus, Argopecten liocymatus Dall, 1925 - syn of: Argopecten gibbus (Linnaeus, 1758)
lioicus, Chlamys lioicus Dall, 1907 - syn of: Chlamys behringiana Middendorff, 1849
lischkei, Chlamys lischkei Dunker, 1850 - syn of: Zygochlamys patagonica (King & Broderip, 1832)
livida, Scaeochlamys livida (Lamarck, 1819)
livida peroniana, Scaeochlamys livida peroniana Iredale, 1939 - syn of: Scaeochlamys livida (Lamarck, 1819)
lividae, Scaeochlamys lividae (Lamarck, 1819) † (FOSSIL)
lohri, Patinopecten lohri Hertlein, 1928 † (FOSSIL)
lompocensis, Amusium lompocensis Arnold, 1907 † (FOSSIL)
longus, Pecten longus Lutkevitch & Lobanova, 1960 † - syn of: Streblopteria levis Lutkevitch & Lobanova, 1960 † (FOSSIL)
lorentzianum, Euvola lorentzianum Röding, 1798 - syn of: Euvola laurenti (Gmelin, 1791)
loveni, Chlamys loveni Dunker, 1853 - syn of: Lissochlamys exotica (Dillwyn, 1817)
lowei, Chlamys lowei Hertlein, 1935 - syn of: Spathochlamys vestalis (Reeve, 1853)
loxoides, Haumea loxoides (Sowerby, 1882)
lucens, Amusium lucens Tate, 1886 † (FOSSIL)
lucida, Pleuronectia lucida Jeffreys, 1873 - syn of: Propeamussium lucidum (Jeffreys, 1873)
lucidum marmoratum, Amussium lucidum marmoratum Dall, 1881 - syn of: Parvamussium marmoratum (Dall, 1881)
lucidum striata, Amusium lucidum striata Jeffreys, 1879 - syn of: Propeamussium lucidum (Jeffreys, 1873)
lucidus, Pecten lucidus Goldfuss, 1835 † - syn of: Hilberia bifida (Münster, 1835) † (FOSSIL)
luculentum, Chlamys luculentum (Reeve, 1853) - syn of: Semipallium fulvicostatum luculentum (Reeve, 1853)
luculentum, Semipallium fulvicostatum luculentum Reeve
luna, Amusium luna Brown & Pilsbry, 1913 † - syn of: Amusium toulae Brown & Pilsbry, 1911 † (FOSSIL)
lunaris, Pecten lunaris Berry, 1963 - syn of: Leopecten stillmani (Dijkstra, 1998)
lunaris, Pecten lunaris Berry, 1963 - syn of: Leopecten stillmani (Dijkstra, 1998)
lunaris, Leopecten lunaris Berry, 1963 - syn of: Leopecten stillmani (Dijkstra, 1998)
luxurians, Pecten luxurians Küster, 1888 - syn of: Gloripallium maculosum (Forsskål, 1775)
lynnae, Nevadapecten lynnae Waller, 2005 † (FOSSIL)
lyonii, Amusium lyonii Gabb, 1873 † (FOSSIL)
macassarensis, Annachlamys macassarensis Chenu, 1845 - syn of: Annachlamys striatula (Linnaeus, 1758)
macassarensis rena, Annachlamys macassarensis rena Iredale, 1939 - syn of: Annachlamys kuhnholtzi (Bernardi, 1860)
macdonaldi, Leopecten gatunensis macdonaldi Olsson
macfadyeni, Aequipecten macfadyeni Cox, 1935 † (FOSSIL)
mackrothi, Pecten mackrothi von Schauroth, 1854 † - syn of: Streblochondria sericea (de Verneuil, 1845) † (FOSSIL)
macloskeyi, Nodipecten macloskeyi Anderson, 1929 † (FOSSIL)
macrocheiricola, Delectopecten macrocheiricola (Habe, 1951)
macrothi, Pecten macrothi Schauroth, 1856 † - syn of: Streblopteria pusilla (von Schlotheim, 1816) † (FOSSIL)
maculosum, Gloripallium maculosum (Forsskål, 1775)
madisonius, Chesapecten madisonius (Say, 1824) † (FOSSIL)
madisonius, Pecten madisonius Conrad, 1840 † - syn of: Chesapecten nefrens Ward & Blackwlder, 1975 † (FOSSIL)
madreporarum, Coralichlamys madreporarum (Sowerby, 1842)
madrynensis, Aequipecten tehuelchus madrynensis Bavay
magellanica, Placopecten magellanica Gmelin, 1791 - syn of: Placopecten magellanicus (Gmelin, 1791)
magellanicus, Placopecten magellanicus (Gmelin, 1791)
magneticum, Amusium magneticum Röding, 1798 - syn of: Amusium pleuronectes (Linnaeus, 1758)
magnificus, Nodipecten magnificus (Sowerby, 1835)
maldivense, Juxtamusium maldivense (Smith, 1903)
maldivensis, Juxtamusium maldivensis Smith, 1903 - syn of: Juxtamusium maldivense (Smith, 1903)
maltoniensis, Pecten maltoniensis Young & Bird, 1822 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
manaricum, Amusium manaricum Smith, 1906
mansfieldi, Argopecten mansfieldi Woodring, 1925 † - syn of: Argopecten uselmae Pilsbry & Johnson, 1917 † (FOSSIL)
mantelliana, Mimachlamys mantelliana (Orbigny, 1847) † (FOSSIL)
maoensis, Zamorapecten maoensis Waller, 2011 † (FOSSIL)
maracaibensis, Chlamys maracaibensis Hodson & Hodson, 1927 † - syn of: Lindapecten plurinominis (Pilsbry & Johnson, 1917) † (FOSSIL)
marensis, Euvola marensis (Weisbord, 1964)
margaritiferum, Amussium margaritiferum Dautzenberg & Bavay, 1912 - syn of: Propeamussium investigatoris (Smith, 1906)
mariae, Towaipecten mariae (Finlay, 1927) † (FOSSIL)
mariae, Chlamys mariae Tenison-Woods, 1876 - syn of: Notochlamys hexactes (Péron, 1819)
marisrossensis, Austrochlamys marisrossensis Jonkers, 2003 † (FOSSIL)
marshallae, Euvola marshallae Petuch & Myers, 2014
marshallensis, Chlamys marshallensis Waller, 1972 - syn of: Laevichlamys wilhelminae (Bavay, 1904)
marwicki, Phialopecten marwicki (Beu, 1970) † (FOSSIL)
marwicki, Austrohinnites marwicki (R.S. Allan, 1946) † (FOSSIL)
marwicki, Pecten marwicki Finlay, 1930 - syn of: Pecten novaezelandiae Reeve, 1852
marwicki, Serripecten marwicki Maxwell, 1992 † (FOSSIL)
marybellae, Semipallium marybellae Raines, 1996
marylandica, Placopecten marylandica (Wagner, 1839) † (FOSSIL)
matchgarensis, Chlamys matchgarensis Makiyama, 1934 † (FOSSIL)
matonabbei, Camptonectes matonabbei McLearn, 1933 † (FOSSIL)
matschiense, Mizuhopecten matschiense (Lautenschläger, 1964) † (FOSSIL)
matsumoriensis, Miyagipecten matsumoriensis Masuda, 1952 † (FOSSIL)
matumoriensis, Mizuhopecten matumoriensis (Nakamura, 1940) † (FOSSIL)
mauritiana, Aequipecten opercularis mauritiana Linnaeus
mawsoni, Leoclunipecten mawsoni (Fletcher, 1938) † (FOSSIL)
maxima, Pecten maxima (Linnaeus, 1758)
maxima, Pecten maxima Linnaeus, 1758 - syn of: Pecten maxima (Linnaeus, 1758)
maximus jacobeus, Pecten maximus jacobeus Linnaeus, 1758 - syn of: Pecten jacobaea (Linnaeus, 1758)
maximus sulcicostatus, Pecten maximus sulcicostatus Sowerby, 1842 - syn of: Pecten sulcicostatus Sowerby, 1842
mayaguezensis, Pecten mayaguezensis Dall & Simpson, 1901 - syn of: Aequipecten lineolaris (Lamarck, 1819)
mclellani, Pecten mclellani Gibson, 1987 † (FOSSIL)
mediacostatus, Chlamys mediacostatus Hanna, 1926 † (FOSSIL)
medius, Pecten medius Lamarck, 1819 - syn of: Pecten maxima (Linnaeus, 1758)
megadesma, Hinnites megadesma Coen, 1930 - syn of: Talochlamys pusio (Linnaeus, 1758)
megalomorphus, Hinnites crispus megalomorphus Cossmann & Peyrot (FOSSIL)
meisensis, Mimachlamys meisensis (Makiyama, 1926) † (FOSSIL)
meli, Mimachlamys meli Cossignani, 2016
melica, Annachlamys melica Iredale, 1939 - syn of: Annachlamys flabellatus (Lamarck, 1819)
mellevillei, Palliolum mellevillei (D'Orbigny, 1850) † (FOSSIL)
mendenhalli, Argopecten mendenhalli Arnold, 1906 † (FOSSIL)
menkrawitensis, Chlamys menkrawitensis Beets, 1941 † (FOSSIL)
menthifontis, Lyropecten menthifontis Glawe, 1970 † (FOSSIL)
mercuria, Chlamys mercuria Marwick, 1928 † (FOSSIL)
meridionale, Amussium meridionale Smith, 1885 - syn of: Propeamussium meridionale Smith, 1885
meridionalis, Pecten meridionalis Tate, 1887 - syn of: Pecten fumatus Reeve, 1852
merklini, Swiftopecten merklini Sinelnikova, 1975 † (FOSSIL)
meseticus, Pecten meseticus Maury, 1920 † (FOSSIL)
mexicana, Neithea mexicana Jaworski, 1929 † - syn of: Weyla meeki Damborenea, 1987 † (FOSSIL)
mexicanus, Pecten mexicanus Perrilliat, 1992 † (FOSSIL)
mezquitalensis, Batequeus mezquitalensis Squires & Demetrion, 1990 † (FOSSIL)
micaceus, Delectopecten micaceus (Dautzenberg & Bavay, 1912)
microlineatus, Antillipecten microlineatus Waller, 2011 † (FOSSIL)
middlesexensis, Chesapecten middlesexensis (Mansfield, 1936) † (FOSSIL)
middlesexensis ceccae, Chesapecten middlesexensis ceccae Ward, 1992 † (FOSSIL)
midwayensis, Chlamys midwayensis Habe & Okutani, 1968 - syn of: Laevichlamys cuneata (Reeve, 1853)
miguelensis, Lyropecten miguelensis Arnold, 1906 † (FOSSIL)
mildredae, Caribachlamys mildredae (Bayer, 1941)
miles, Flexopecten miles (Reeve, 1853)
milneedwardsi, Pecten milneedwardsi De Gregorio, 1898 - syn of: Amusium pleuronectes australiae (Linnaeus, 1758)
milnelandensis, Costicamptonectes milnelandensis Fürsich, 1982 † (FOSSIL)
milvus, Chlamys milvus Cox, 1928 † (FOSSIL)
mimikirensis, Boreionectes mimikirensis Kurata & Kimura, 1951 † (FOSSIL)
mimyum, Amusium mimyum Woodring, 1982 † (FOSSIL)
miniata, Chlamys miniata Born, 1778 - syn of: Talochlamys pusio (Linnaeus, 1758)
minuta, Haumea minuta (Linnaeus, 1758)
minutulum, Palliolum minutulum Dijkstra & Southgate, 2000
minutus, Pecten minutus Nicklés, 1955 - syn of: Aequipecten nicklesi Dijkstra, 1998
mireilleae, Hyalopecten mireilleae Dijkstra, 1995
miricus, Mirapecten miricus (Reeve, 1843) † (FOSSIL)
mirificus, Mirapecten mirificus (Reeve, 1853)
mirificus thaanumi, Mirapecten mirificus thaanumi (Dall, Bartsch & Rehder, 1939)
miser, Pseudamussium miser Dall, 1908 - syn of: Pseudamussium fasciculatum (Hinds, 1845)
mitis, Pecten mitis Dana, 1849 † - syn of: Etheripecten leniusculus (Dana, 1847) † (FOSSIL)
miurensis, Chlamys miurensis Yokoyama, 1920 † (FOSSIL)
miyatokoensis, Chlamys miyatokoensis Nomura & Hatai, 1937 † (FOSSIL)
modestus, Pecten modestus Reeve, 1852 - syn of: Pecten fumatus Reeve, 1852
modulatus, Lyropecten modulatus Hertlein, 1925 † (FOSSIL)
mollitus, Laevichlamys mollitus (Reeve, 1853)
moluccensis, Mirapecten moluccensis Dijkstra, 1988
mongkensis, Radulonectites mongkensis Milova, 1985 † (FOSSIL)
monicae, Chesapecten monicae Ward, 1992 † (FOSSIL)
moniliferus, Pecten moniliferus D'Orbigny, 1849 † - syn of: Pecten subalternans D'Orbigny, 1849 † (FOSSIL)
monobensis, Nippononectes monobensis Tashiro, 1982 † (FOSSIL)
monotimeris, Leptopecten latiauratus monotimeris Conrad
monotimeris, Pecten monotimeris Conrad, 1837 - syn of: Leptopecten latiauratus monotimeris (Conrad, 1837)
monotis, Mimachlamys monotis Da Costa, 1778 - syn of: Mimachlamys varia (Linnaeus, 1758)
moretonicus, Leptopecten moretonicus Finlay, 1927 - syn of: Leptopecten linki (Dall, 1926)
morrisi, Neithea morrisi Pictet & Renevier, 1858 † (FOSSIL)
mortoni, Amusium mortoni Ravenel, 1844 † (FOSSIL)
mucosus, Aequipecten mucosus Wood, 1828 - syn of: Lindapecten muscosus (Wood, 1828)
multicolor, Talochlamys multicolor (Melvill & Standen, 1907)
multicostatus, Pecten multicostatus Nilsson, 1827 † (FOSSIL)
multilamellata, Talochlamys multilamellata Beu & Darragh, 2001 † (FOSSIL)
multirugosus, Pecten multirugosus Gale, 1928 - syn of: Crassadoma gigantea (Gray, 1825)
multirugosus, Chlamys multirugosus Gale, 1928 - syn of: Crassadoma gigantea (Gray, 1825)
multirugosus crassiplicatus, Pecten multirugosus crassiplicatus Gale, 1928 - syn of: Crassadoma gigantea (Gray, 1825)
multisqualida, Laevichlamys multisqualida Dijkstra, 1994
multisquamata, Laevichlamys multisquamata (Dunker, 1864)
multistriata, Talochlamys multistriata (Poli, 1795)
mundus, Pecten mundus Reeve, 1853 - syn of: Spathochlamys benedicti (Dall, 1898)
murayamai, Mizuhopecten murayamai (Yokoyama, 1926) † (FOSSIL)
muricata, Mimachlamys muricata Gmelin, 1791 - syn of: Mimachlamys varia (Linnaeus, 1758)
murrayana, Annachlamys murrayana (Tate, 1886) † (FOSSIL)
muscosus, Lindapecten muscosus (Wood, 1828)
muscosus acanthodes, Aequipecten muscosus acanthodes Dall, 1925 - syn of: Lindapecten exasperatus (Sowerby, 1842)
musorstomi, Delectopecten musorstomi Poutiers, 1981
mustellina, Mimachlamys mustellina Gmelin, 1791 - syn of: Mimachlamys varia (Linnaeus, 1758)
naganumana, Pecten naganumana Yokoyama, 1920 - syn of: Pecten albicans (Schröter, 1802)
naganumanus, Pecten albicans naganumanus Yokoyama
nakatombetsuensis, Mizuhopecten nakatombetsuensis (Akiyama, 1962) † (FOSSIL)
namigataensis, Leochlamys namigataensis Ozaki, 1956 † (FOSSIL)
nantiensis, Chlamys nantiensis Bernard, Cai & Morton, 1993 - syn of: Talochlamys zelandiae (Gray, 1843)
natalensis, Chlamys natalensis Smith, 1906 - syn of: Laevichlamys weberi (Bavay, 1904)
natans, Austrochlamys natans (Philippi, 1845)
natans walosseki, Austrochlamys natans walosseki Jonkers, 2003
navarchus, Chlamys navarchus Dall, 1898 - syn of: Chlamys rubida Hinds, 1845
nearchi, Pecten nearchi Vredenburg, 1928 † (FOSSIL)
nebulosa, Chlamys nebulosa Poli, 1795 - syn of: Flexopecten glaber (Linnaeus, 1758)
nebulosus, Pecten nebulosus Brown, 1835 - syn of: Pseudamussium peslutrae (Linnaeus, 1771)
necopinatum, Adamussium necopinatum Quilty & al., 2016 † (FOSSIL)
nefrens, Chesapecten nefrens Ward & Blackwlder, 1975 † (FOSSIL)
neoceanicus, Hyalopecten neoceanicus (Dall, 1908)
nerei, Pecten nerei Münster, 1841 † (FOSSIL)
nerterus, Argopecten nerterus Woodring, 1982 † (FOSSIL)
neuquenensis, Delectopecten neuquenensis Del Rio & al., 2008 † (FOSSIL)
neuvillei, Pecten tournali neuvillei Cossmann & Peyrot (FOSSIL)
nevadanus, Vertipecten nevadanus (Dall, 1909) † (FOSSIL)
newsomi, Pecten newsomi Arnold, 1903 - syn of: Argopecten ventricosus (Sowerby, 1842)
nicholsi, Chlamys nicholsi Gardner, 1926 † (FOSSIL)
nicklesi, Aequipecten nicklesi Dijkstra, 1998
nigromaculatus, Pecten nigromaculatus Kobelt, 1888 - syn of: Coralichlamys madreporarum (Sowerby, 1842)
nigromagnus, Pecten nigromagnus (Sacco, 1897) † (FOSSIL)
nilssoni, Pecten nilssoni Goldfuss, 1836 † (FOSSIL)
nipponensis, Azumapecten farreri nipponensis Kuroda
nisataiensis, Chlamys nisataiensis Otuka, 1935 † (FOSSIL)
nivea, Mimachlamys varia nivea Macgillivray
niveus, Pecten niveus Macgillivray, 1825 - syn of: Mimachlamys varia nivea (Macgillivray, 1825)
nobilis, Pecten nobilis Reeve, 1852 - syn of: Mimachlamys crassicostata (Sowerby, 1842)
nodosa, Lyropecten nodosa Linnaeus, 1758 - syn of: Nodipecten nodosus (Linnaeus, 1758)
nodosus, Nodipecten nodosus (Linnaeus, 1758)
nodosus, Lyropecten nodosus Linnaeus, 1758 - syn of: Nodipecten nodosus (Linnaeus, 1758)
nodosus fragosus, Lyropecten nodosus fragosus Conrad, 1849 - syn of: Nodipecten fragosus (Conrad, 1849)
nodosus gabonensis, Nodipecten nodosus gabonensis (Nicolay, 1981)
nodulifer, Pecten nodulifer Drouët, 1858 - syn of: Bractechlamys corallinoides (D'Orbigny, 1840)
nodulifera, Bractechlamys nodulifera (Sowerby, 1842)
noronhensis, Argopecten noronhensis (Smith, 1885)
notalis, Camptonectes notalis Thiele, 1912 - syn of: Cyclochlamys notalis (Thiele, 1912)
notoensis otutumiensis, Nanaochlamys notoensis otutumiensis Nomura & Hatai, 1937 † - syn of: Nanaochlamys otutumiensis (Nomura & Hatai, 1937) † (FOSSIL)
novaeguinae, Pecten novaeguinae Tenison Woods, 1878 - syn of: Gloripallium pallium (Linnaeus, 1758)
novaeguinae, Pecten novaeguinae Tenison-Woods, 1878 - syn of: Gloripallium pallium (Linnaeus, 1758)
novaeguineae, Gloripallium novaeguineae Tenison-Woods, 1878 - syn of: Gloripallium pallium (Linnaeus, 1758)
novaezelandiae, Pecten novaezelandiae Reeve, 1852
novaezelandiae rakiura, Pecten novaezelandiae rakiura Reeve, 1852
novaezelandiae raoulensis, Pecten novaezelandiae raoulensis Powell, 1958 - syn of: Pecten raoulensis Powell, 1958
novaezelandicus, Pecten novaezelandicus Reeve, 1852 - syn of: Pecten novaezelandiae Reeve, 1852
nucleus, Argopecten nucleus (Born, 1778)
nugenti, Pecten nugenti Brown, 1913 † (FOSSIL)
nupera, Chlamys nupera Conrad, 1854 † (FOSSIL)
nutteri, Nanaochlamys nutteri (Arnold, 1906) † (FOSSIL)
nux, Cryptopecten nux (Reeve, 1853)
nympha, Chlamys nympha Bavay, 1906 - syn of: Spathochlamys benedicti (Dall, 1898)
oatus, Pecten oatus Olsson, 1922 † (FOSSIL)
oblectatum, Juxtamusium oblectatum Iredale, 1939 - syn of: Juxtamusium coudeini (Bavay, 1903)
oblectatum, Juxtamusium oblectatum Iredale, 1939 - syn of: Juxtamusium coudeini (Bavay, 1903)
obliquum, Amussium obliquum Smith, 1885 - syn of: Parvamussium obliquum (Smith, 1885)
obliquus, Hinnites obliquus Münster, 1841 † (FOSSIL)
obliterata, Dentamussium obliterata Linnaeus, 1758 - syn of: Dentamussium obliteratum (Linnaeus, 1758)
obliteratum, Dentamussium obliteratum (Lamarck) † (FOSSIL)
obliteratum, Dentamussium obliteratum (Linnaeus, 1758)
oblonga, Korobkovia oblonga (Philippi, 1844) † (FOSSIL)
oblongus, Pecten oblongus Philippi, 1893 † (FOSSIL)
oboloides, Giraliapecten oboloides Darragh & Kendrick 1, 9 † (FOSSIL)
obscura, Chlamys obscura Forsskål, 1775 - syn of: Flexopecten glaber (Linnaeus, 1758)
obscurus, Camptochlamys obscurus (Sowerby, 1818) † (FOSSIL)
obscurus, Pecten obscurus Goldfuss, 1833 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
obsoletus, Palliolum obsoletus Pennant, 1777 - syn of: Palliolum tigerinum (Müller, 1776)
ocalum, Amusium ocalum Dall † (FOSSIL)
occidentalis, Neithea occidentalis (Conrad, 1855) † (FOSSIL)
occidentalis, Pecten occidentalis Shumard, 1855 † - syn of: Aviculopecten occidentalis (Shumard, 1855) † (FOSSIL)
ochlockoneensis, Pecten ochlockoneensis Mansfield, 1932 † (FOSSIL)
ochotica, Maclearnia ochotica Milova, 1985 † (FOSSIL)
ochroleuca, Mimachlamys ochroleuca Gmelin, 1791 - syn of: Mimachlamys varia (Linnaeus, 1758)
ocklockoneensis, Pecten ocklockoneensis (Mansfield, 1932) † (FOSSIL)
octoplectus, Pecten octoplectus Münster, 1841 † - syn of: Pecten protei Münster, 1841 † (FOSSIL)
okiensis, Yabepecten okiensis Matsubara, 2014 † (FOSSIL)
olgensis, Leptopecten olgensis Mansfield, 1939 † (FOSSIL)
oligolepis, Pecten oligolepis Brown & Pilsbry, 1913 † - syn of: Cyclopecten oligolepis (Brown & Pilsbry, 1913) † (FOSSIL)
ongleyi, Towaipecten ongleyi (Marwick, 1965) † (FOSSIL)
ootanii, Chlamys ootanii Azuma, 1960 - syn of: Laevichlamys squamosa (Gmelin, 1791)
opercularis, Aequipecten opercularis (Linnaeus, 1758)
opercularis albopurpurascens, Pecten opercularis albopurpurascens Lamarck, 1819 - syn of: Aequipecten opercularis (Linnaeus, 1758)
opercularis albovariegata, Pecten opercularis albovariegata Clement, 1875 - syn of: Aequipecten opercularis (Linnaeus, 1758)
opercularis aspera, Pecten opercularis aspera Bucquoy, Dautzenberg & Dollfus, 1889 - syn of: Aequipecten opercularis (Linnaeus, 1758)
opercularis audouinii, Aequipecten opercularis audouinii (Payraudeau, 1826)
opercularis concolor, Pecten opercularis concolor Bucquoy, Dautzenberg & Dollfus, 1889 - syn of: Aequipecten opercularis (Linnaeus, 1758)
opercularis depressa, Pecten opercularis depressa Locard, 1888 - syn of: Aequipecten opercularis (Linnaeus, 1758)
opercularis elongata, Pecten opercularis elongata Jeffreys, 1864 - syn of: Aequipecten opercularis (Linnaeus, 1758)
opercularis lineata, Aequipecten opercularis lineata (Da Costa, 1778)
opercularis luteus, Pecten opercularis luteus Lamarck, 1819 - syn of: Aequipecten opercularis (Linnaeus, 1758)
opercularis mauritiana, Aequipecten opercularis mauritiana (Linnaeus, 1758)
operculiformis, Argopecten operculiformis Toula, 1909 † (FOSSIL)
optatus, Chlamys parisiensis optatus Deshayes (FOSSIL)
optimum, Argopecten thetidis optimum Brown & Pilsbry
opuntia, Chlamys opuntia Dall, 1898 † (FOSSIL)
orbicularis, Chlamys orbicularis Sowerby, 1842 - syn of: Lissochlamys exotica (Dillwyn, 1817)
ordonesi, Prohinnites ordonesi Imlay, 1940 † (FOSSIL)
oregonensis, Patinopecten oregonensis Howe, 1922 † (FOSSIL)
oregonensis cancellosus, Patinopecten oregonensis cancellosus (Moore) † (FOSSIL)
orientale, Amusium orientale Dey, 1961 † (FOSSIL)
ornatus, Caribachlamys ornatus (Lamarck, 1819)
otianus, Lyriochlamys otianus (McLearn, 1939) † (FOSSIL)
otukae, Chlamys otukae Masuda & Sawada, 1961 † (FOSSIL)
otutumiensis, Nanaochlamys otutumiensis (Nomura & Hatai, 1937) † (FOSSIL)
oweni, Bractechlamys oweni (De Gregorio, 1884)
oxygonum, Pecten oxygonum Sowerby, 1850 † - syn of: Argopecten thetidis (Sowerby, 1850) † (FOSSIL)
oxygonum optimum, Pecten oxygonum optimum Brown & Pilsbry, 1913 - syn of: Argopecten thetidis optimum Brown & Pilsbry, 1913
pabloensis, Leptopecten pabloensis (Conrad, 1857) † (FOSSIL)
pacificus, Anguipecten pacificus Dijkstra, 2002
palinurus, Spondylopecten palinurus (D'Orbigny, 1850) † (FOSSIL)
pallium, Gloripallium pallium (Linnaeus, 1758)
pallium speciosum, Gloripallium pallium speciosum Reeve, 1853 - syn of: Gloripallium speciosum (Reeve, 1853)
pallula, Serratovola pallula Dijkstra, 1998
palmeri, Paraleptopecten palmeri (Dall, 1897)
palmeri, Pecten palmeri Dall, 1897 - syn of: Paraleptopecten palmeri (Dall, 1897)
palmipes, Pecten palmipes Tate, 1886 † (FOSSIL)
palmyrensis, Chlamys palmyrensis Krumbeck, 1905 † (FOSSIL)
pamirensis, Radulopecten pamirensis Wen, 1992 † (FOSSIL)
panamensis, Pseudamussium panamensis Dall, 1898 - syn of: Pseudamussium fasciculatum (Hinds, 1845)
papillatus, Camptonectes papillatus Girty, 1909 † - syn of: Eocamptonectes papillatus (Girty, 1909) † (FOSSIL)
papyracea, Euvola papyracea auct.
papyracea, Chlamys papyracea Röding, 1798 - syn of: Delectopecten vitreus (Gmelin, 1791)
papyraceum, Amusium papyraceum Gabb, 1873 † (FOSSIL)
paracactaceus, Chagrepecten paracactaceus Waller, 2011 † (FOSSIL)
parachlamys, Hunanonectes parachlamys Fang, 1978 † - syn of: Hunanonectes sanduensis Fang, 1978 † (FOSSIL)
paramuscosus, Lindapecten paramuscosus Waller, 2011 † (FOSSIL)
paranensis, Aequipecten paranensis (D'Orbigny, 1842) † (FOSSIL)
paranensis pennatus, Aequipecten paranensis pennatus Rio, 1992
paraplebejus, Mizuhopecten paraplebejus (Nomura & Hatai, 1936) † (FOSSIL)
parathetidis, Argopecten parathetidis Waller, 2011 † (FOSSIL)
paredezii, Pecten paredezii D'Orbigny, 1842 † (FOSSIL)
paris, Amusium paris Del Rio, 1992 † (FOSSIL)
parisiensis, Chlamys parisiensis D'Orbigny, 1850 † (FOSSIL)
parisiensis optatus, Chlamys parisiensis optatus Deshayes, 1864 † (FOSSIL)
parki, Duplipecten parki (Marwick, 1942) † (FOSSIL)
parmeleei, Swiftopecten parmeleei (Dall, 1898) † (FOSSIL)
parvulinus, Hyalopecten parvulinus (Locard, 1898)
parvus, Pecten parvus Sowerby, 1835 - syn of: Excellichlamys spectabilis (Reeve, 1853)
pasca, Pascahinnites pasca (Dall, 1908)
pascoei, Pecten pascoei Cox, 1936 † (FOSSIL)
passerina, Serratovola rubicunda passerina Hinds
passerinus, Pecten passerinus Hinds, 1845 - syn of: Serratovola rubicunda passerina (Hinds, 1845)
patagonensis, Chesapecten patagonensis (D'Orbigny, 1842) † (FOSSIL)
patagonica, Zygochlamys patagonica (King & Broderip, 1832)
patagonica, Psychrochlamys patagonica King, 1832 - syn of: Zygochlamys patagonica (King & Broderip, 1832)
patagonicus, Zygochlamys patagonicus (King, 1832) - syn of: Zygochlamys patagonica (King & Broderip, 1832)
patagonicus, Pecten patagonicus (King, 1832) - syn of: Zygochlamys patagonica (King & Broderip, 1832)
patriae, Pecten patriae Doello-Jurado, 1918 - syn of: Zygochlamys patagonica (King & Broderip, 1832)
paucicostatus, Canadonectites paucicostatus Aberhan, 1998 † (FOSSIL)
paucicostatus, Leptopecten paucicostatus Carpenter, 1864 - syn of: Leptopecten tumbezensis (D'Orbigny, 1846)
paucicostatus, Pecten paucicostatus Carpenter, 1864 - syn of: Leptopecten tumbezensis (D'Orbigny, 1846)
paucicostatus, Chlamys prototranquebaricus paucicostatus Vredenburg
pauciplicatum, Decatopecten pauciplicatum Iredale, 1939 - syn of: Decatopecten radula (Linnaeus, 1758)
paucirama, Caribachlamys paucirama Waller, 1993 † (FOSSIL)
paueri, Lentipecten paueri (Frauscher, 1886) † (FOSSIL)
pealeii, Pecten pealeii Conrad, 1831 - syn of: Chlamys islandica (Müller, 1776)
peckhami, Pseudamussium peckhami Gabb, 1906 † (FOSSIL)
pectinatus, Eopecten pectinatus Seeley † (FOSSIL)
pedroanus, Delectopecten pedroanus (Trask, 1856) † (FOSSIL)
pedroanus peckhami, Delectopecten pedroanus peckhami Gabb, 1906 † - syn of: Pseudamussium peckhami Gabb, 1906 † (FOSSIL)
pedum, Pedum pedum Röding, 1798 - syn of: Pedum spondyloideum (Gmelin, 1791)
pedum intensum, Pedum pedum intensum Iredale, 1939 - syn of: Pedum spondyloideum (Gmelin, 1791)
pellucens, Caribachlamys pellucens (Linnaeus, 1758)
pellucides, Delectopecten pellucides Kalishevich, 1981 † (FOSSIL)
pellucidus, Pecten pellucidus Lamarck, 1819 - syn of: Flexopecten hyalinus (Poli, 1795)
peloritanus, Ciclopecten peloritanus Seguenza, 1877 † (FOSSIL)
pelseneeri, Mimachlamys cloacata pelseneeri Dautzenberg & Bavay
pennatus, Aequipecten paranensis pennatus Rio
percarus, Argopecten percarus Hertlein, 1925 † (FOSSIL)
perfectus, Chlamys perfectus Melvill, 1909 - syn of: Laevichlamys andamanica (Preston, 1908)
perillustris, Veprichlamys perillustris (Iredale, 1925)
peripheralis, Aequipecten commutatus peripheralis Dijkstra & Kilburn
peroni, Chlamys peroni Tate, 1886 † (FOSSIL)
perplanus, Pecten perplanus Morton, 1833 † (FOSSIL)
persimplicula, Chlamys tauroperstriaus persimplicula Sacco
perula, Euvola perula (Olsson, 1961)
pesanatis, Chlamys pesanatis Reeve, 1852 - syn of: Notochlamys hexactes (Péron, 1819)
pesfelis, Manupecten pesfelis (Linnaeus, 1758)
peslei, Pecten peslei Lucas, 1979 - syn of: Chlamys islandica (Müller, 1776)
peslutrae, Pseudamussium peslutrae (Linnaeus, 1771)
phalara, Zygochlamys phalara (Roth, 1975)
phalara, Chlamys phalara Roth, 1975 - syn of: Zygochlamys phalara (Roth, 1975)
philippi, Pecten philippi Récluz, 1853 - syn of: Aequipecten commutatus (Monterosato, 1875)
philippii, Pecten philippii Acton, 1855 - syn of: Parvamussium fenestratum (Forbes, 1844)
phrygium, Cryptopecten phrygium (Dall, 1886)
pica, Pecten pica Reeve, 1853 - syn of: Volachlamys singaporina (Sowerby, 1842)
picoensis, Chlamys picoensis Waterfall, 1929 - syn of: Chlamys rubida Hinds, 1845
picta, Chlamys picta (Goldfuss, 1834) † (FOSSIL)
picta, Chlamys picta Fritel, 1910 † (FOSSIL)
picturatus, Anguipecten picturatus Dijkstra, 1995
pictus, Pecten pictus Cossmann & Lambert, 1884 † (FOSSIL)
pictus, Pecten pictus Da Costa, 1778 - syn of: Aequipecten opercularis (Linnaeus, 1758)
pilgrimi, Pecten pilgrimi Cox, 1936 † (FOSSIL)
pilicaensis, Chlamys pilicaensis Kubota, 1950
pinnulatus, Pecten pinnulatus Toula, 1911 - syn of: Leopecten stillmani (Dijkstra, 1998)
pinorum, Chlamys pinorum Cossmann & Peyrot, 1921 † (FOSSIL)
pinulatus, Pecten pinulatus Dall, 1898 † - syn of: Lepidopecten scissuratus (Dall, 1898) † (FOSSIL)
pirillus, Pecten pirillus De Gregorio, 1885 - syn of: Flexopecten glaber (Linnaeus, 1758)
pittieri, Gigantopecten pittieri Dall, 1912 † (FOSSIL)
placenta, Amussiopecten placenta (Fuchs, 1879) † (FOSSIL)
placitus, Camptonectes placitus White, 1887 † (FOSSIL)
planicosta, Lyropecten planicosta Gardner, 1943 † (FOSSIL)
planicostulatum, Amussiopecten planicostulatum Nomura & Niino, 1932 † (FOSSIL)
planivalvis, Neithea planivalvis Cossmann † (FOSSIL)
platessa, Camptonectes platessa White, 1874 † (FOSSIL)
plebeia, Pecten plebeia Lamarck, 1806 † (FOSSIL)
pleuronectes, Amusium pleuronectes (Linnaeus, 1758)
pleuronectes australiae, Amusium pleuronectes australiae (Linnaeus, 1758)
pleuronectes nanshaensis, Amusium pleuronectes nanshaensis Wang & Chen, 1991 - syn of: Amusium pleuronectes (Linnaeus, 1758)
plica, Decatopecten plica (Linnaeus, 1758)
plica, Pecten plica Sowerby, 1839 - syn of: Decatopecten plica (Linnaeus, 1758)
plicatulus, Chlamys plicatulus Risso, 1826 - syn of: Flexopecten flexuosus (Poli, 1795)
plinsbachiensis, Chlamys plinsbachiensis Milova, 1985 † (FOSSIL)
plurinominis, Lindapecten plurinominis (Pilsbry & Johnson, 1917) † (FOSSIL)
pluriscissus, Pecten beudanti pluriscissus Cossmann & Peyrot (FOSSIL)
polemicus, Janupecten polemicus (Marwick, 1928) † (FOSSIL)
politus, Pecten politus Gemmellaro, 1896 † (FOSSIL)
polubotkae, Ochotochlamys polubotkae Bychkov, 1985 † (FOSSIL)
polyaktinos, Austrohinnites polyaktinos (Ludbrook, 1955) † (FOSSIL)
polyleptus, Delectopecten polyleptus (Dall, 1908)
polymorphoides, Chlamys polymorphoides (Zittel, 1864) † (FOSSIL)
polymorphus, Chlamys polymorphus Bronn, 1836 - syn of: Flexopecten flexuosus (Poli, 1795)
pomatea, Pecten pomatea Valenciennes, 1846 - syn of: Argopecten ventricosus (Sowerby, 1842)
pontiamnis, Pecten pontiamnis McLearn, 1942 † (FOSSIL)
ponticus, Flexopecten glaber ponticus Bucquoy, Dautzenberg & Dollfus
ponticus, Pecten ponticus Bucquoy, Dautzenberg & Dollfus, 1889 - syn of: Flexopecten glaber ponticus (Bucquoy, Dautzenberg & Dollfus, 1889)
popofensis, Vertipecten popofensis MacNeil, 1967 † (FOSSIL)
porphyrea, Mimachlamys sanguinea porphyrea Linnaeus
porphyreus, Pecten porphyreus Chemnitz, 1784
porterensis, Vertipecten porterensis (Weaver, 1912) † (FOSSIL)
portoricensis, Chlamys portoricensis Hubbard, 1920 † - syn of: Chlamys portoricoensis Hubbard, 1920 † (FOSSIL)
portoricoensis, Chlamys portoricoensis Hubbard, 1920 † (FOSSIL)
poulsoni, Hinnites poulsoni Conrad, 1834 - syn of: Crassadoma gigantea (Gray, 1825)
poulsoni, Hinnites poulsoni Conrad, 1834 - syn of: Crassadoma gigantea (Gray, 1825)
poulsoni, Pecten poulsoni Morton, 1834 † (FOSSIL)
praecox, Pecten praecox Waagen, 1881 † - syn of: Aviculopecten praecox (Waagen, 1881) † (FOSSIL)
praenuncius, Chlamys praenuncius Ihering, 1897 † (FOSSIL)
praepedroanus, Delectopecten praepedroanus Krishtofovich, 1984 † - syn of: Pseudamussium peckhami Gabb, 1906 † (FOSSIL)
praesignis, Amussiopecten praesignis Yokoyama, 1922 † (FOSSIL)
praeteritus, Pecten praeteritus Bucquoy, Dautzenberg & Dollfus, 1898 - syn of: Flexopecten glaber (Linnaeus, 1758)
praevalidus, Leptopecten praevalidus (Jordan & Hertlein, 1926) † (FOSSIL)
preglyptus, Aequipecten preglyptus Olsson, 1922 † (FOSSIL)
preissiana, Pecten preissiana Iredale, 1949 - syn of: Pecten fumatus Reeve, 1852
prestwichi, Palliolum prestwichi (Morris, 1852) † (FOSSIL)
pretiosus, Lyropecten pretiosus Hertlein, 1925 † (FOSSIL)
princepoides, Placopecten princepoides (Emmons, 1858) † (FOSSIL)
princeps, Pseudamussium princeps (Sowerby, 1826) † (FOSSIL)
princessae, Chlamys princessae Kuroda, Habe & Oyama, 1971 - syn of: Laevichlamys deliciosa (Iredale, 1939)
proavus, Chlamys proavus Arnold, 1906 † (FOSSIL)
proeteus, Pecten proeteus D'Orbigny, 1847 † (FOSSIL)
profundicola, Hyalopecten profundicola (Okutani, 1962)
propatulus, Patinopecten propatulus (Conrad) † (FOSSIL)
propinquum, Amussium propinquum Smith, 1885 - syn of: Parvamussium propinquum (Smith, 1885)
protei, Pecten protei Münster, 1841 † (FOSSIL)
proterus, Lepidopecten proterus Woodring, 1982 † (FOSSIL)
proteus, Flexopecten glaber proteus Dillwyn
proteus, Pecten proteus Dillwyn, 1817 - syn of: Flexopecten glaber proteus (Dillwyn, 1817)
protistus, Leopecten gatunensis protistus Woodring
prototextorius, Pecten prototextorius Waagen, 1881 † - syn of: Aviculopecten prototextorius (Waagen, 1881) † (FOSSIL)
prototranquebaricus, Chlamys prototranquebaricus Vredenburg, 1928 † (FOSSIL)
prototranquebaricus paucicostatus, Chlamys prototranquebaricus paucicostatus Vredenburg, 1928
proximus, Mesopeplum proximus Ihering, 1897 † (FOSSIL)
psarus, Pecten psarus Melvill, 1888 - syn of: Volachlamys singaporina (Sowerby, 1842)
pseudamussium, Pecten pseudamussium Sowerby, 1842 - syn of: Lissochlamys exotica (Dillwyn, 1817)
pseudislandica, Chlamys pseudislandica MacNeil, 1967 - syn of: Chlamys behringiana Middendorff, 1849
pseudobeudanti, Pecten pseudobeudanti Deperet & Roman, 1902 † (FOSSIL)
pseudohastata, Chlamys pseudohastata Sinelnikova, 1975 † (FOSSIL)
pseudolima, Chlamys pseudolima Sowerby, 1842 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
pseudolioica, Chlamys pseudolioica Sinelnikova, 1975 † (FOSSIL)
pseudosolarium, Pecten pseudosolarium Hassan, 1953 † (FOSSIL)
pteriola, Pseudamusium pteriola Melvill & Standen, 1907 - syn of: Cyclochlamys pteriola (Melvill & Standen, 1907)
pteriola, Pecten pteriola Melvill & Standen, 1907 - syn of: Cyclochlamys pteriola (Melvill & Standen, 1907)
ptychotis, Pecten ptychotis M'Coy, 1847 † (FOSSIL)
pudgetensis, Chlamys hastata pudgetensis Oldroyd
pudicus, Hyalopecten pudicus (Smith, 1885)
pulchellus, Dhondtichlamys pulchellus (Nilsson, 1827) † (FOSSIL)
pulchellus, Leptopecten pulchellus Reeve, 1853 - syn of: Leptopecten linki (Dall, 1926)
pulcherrimus, Pecten pulcherrimus Risso, 1826 - syn of: Flexopecten hyalinus (Poli, 1795)
pulchricostata, Karnekampia sulcata pulchricostata Nordsieck
pulleineana, Talochlamys pulleineana (Tate, 1887)
pulleiniana, Talochlamys pulleiniana (Tate, 1887) † (FOSSIL)
pullus, Pecten pullus Cantraine, 1835 - syn of: Similipecten similis (Laskey, 1811)
punctatus, Pecten punctatus Locard, 1888 - syn of: Palliolum striatum (Müller, 1776)
puncticulatus, Pecten excavatus puncticulatus Dunker
purpuratus, Argopecten purpuratus (Lamarck, 1819)
pusillus, Pecten pusillus von Schlotheim, 1816 † - syn of: Streblopteria pusilla (von Schlotheim, 1816) † (FOSSIL)
pusio, Talochlamys pusio (Linnaeus, 1758)
pusio distorta, Talochlamys pusio distorta (Da Costa, 1778)
pustulosus, Pecten pustulosus Verrill, 1872 - syn of: Cyclopecten hoskynsi (Forbes, 1844)
pyramidesensis, Pecten pyramidesensis Ihering, 1907 † (FOSSIL)
pyxidata, Minnivola pyxidata (Born, 1778)
pyxidatus, Pecten pyxidatus Born, 1778
quadricostata, Neithea quadricostata (J. de C. Sowerby, 1814) † (FOSSIL)
quadricostata lastroensis, Neithea quadricostata lastroensis Maury, 1936 † (FOSSIL)
quadricostata regoi, Neithea quadricostata regoi Maury, 1936 † (FOSSIL)
quadricostatus, Pecten quadricostatus J. de C. Sowerby, 1814 † - syn of: Neithea quadricostata (J. de C. Sowerby, 1814) † (FOSSIL)
quadricostatus, Pecten quadricostatus Roemer, 1849 † - syn of: Neithea occidentalis (Conrad, 1855) † (FOSSIL)
quadrilirata, Glorichlamys quadrilirata (Lischke, 1870)
quadriradiatus, Pecten quadriradiatus Lamarck, 1819
quemadosensis, Antillipecten quemadosensis Waller, 2011 † (FOSSIL)
quilonensis, Chlamys quilonensis Dey, 1961 † (FOSSIL)
quinquecostata, Neitheops quinquecostata (Sowerby, 1814) † (FOSSIL)
quitmanensis, Chlamys stantoni quitmanensis Stanton (FOSSIL)
racovitzai, Pecten racovitzai Pelseneer, 1903 - syn of: Adamussium colbecki (Smith, 1902)
radians, Aequipecten radians (Nyst & Westendorp, 1839) † (FOSSIL)
radiatus, Chlamys radiatus Hutton, 1873 - syn of: Talochlamys gemmulata (Reeve, 1853)
radula, Decatopecten radula (Linnaeus, 1758)
radula griggi, Decatopecten radula griggi Webb, 1957
raduloides, Pecten raduloides Stoliczka, 1871 † (FOSSIL)
raffrayi, Pecten raffrayi Jousseaume, 1886 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
rakitiensis, Chlamys rakitiensis Pronina, 1969 † - syn of: Chlamys cosibensis Yokoyama, 1911 † (FOSSIL)
rakiura, Pecten novaezelandiae rakiura Reeve
randolphi, Pecten randolphi Dall, 1897 - syn of: Delectopecten vancouverensis (Whiteaves, 1893)
randolphi tillamookensis, Pecten randolphi tillamookensis Arnold, 1906 - syn of: Delectopecten vancouverensis (Whiteaves, 1893)
raoulensis, Pecten raoulensis Powell, 1958
rapanense, Semipallium rapanense (Bavay, 1905)
raricostatus, Pecten raricostatus Münster, 1841 † - syn of: Pecten protei Münster, 1841 † (FOSSIL)
rastellinum, Pecten rastellinum Valenciennes, 1846 - syn of: Chlamys hastata (Sowerby, 1842)
rastellum, Mirapecten rastellum (Lamarck, 1819)
raveneli, Pecten raveneli (Dall, 1898) - syn of: Euvola raveneli Dall, 1898
raveneli, Euvola raveneli Dall, 1898
raymondi, Aequipecten raymondi Conrad, 1857 † - syn of: Leptopecten discus (Conrad, 1857) † (FOSSIL)
reconditus, Mimachlamys reconditus (Solander, 1766) † (FOSSIL)
redwoodensis, Aequipecten redwoodensis Dockery, 1982 † (FOSSIL)
reedsi, Argopecten reedsi Vokes, 1938 † (FOSSIL)
reevei, Annachlamys reevei (Adams, 1850)
refugioensis, Pecten refugioensis Hertlein, 1925 † (FOSSIL)
regoi, Neithea quadricostata regoi Maury (FOSSIL)
rehderi, Haumea rehderi (Grau, 1960)
reliquus, Oppenheimopecten reliquus (Brown & Pilsbry, 1913) † (FOSSIL)
rendoi, Chlamys rendoi Ozaki, 1958 † (FOSSIL)
renevieri, Pecten renevieri Oppel, 1856 † (FOSSIL)
reticulata, Chlamys reticulata (Reeve, 1853)
reticulata, Praechlamys reticulata (Scholtheim, 1823) † (FOSSIL)
reticulata, Palliolum reticulata Holton, 1802 - syn of: Palliolum striatum (Müller, 1776)
reticulata, Periclaraia reticulata Li & Ding, 1981 † - syn of: Periclaraia circularis Li & Ding, 1981 † (FOSSIL)
reticulatus, Pecten reticulatus Jeffreys, 1864 - syn of: Palliolum striatum (Müller, 1776)
reticulus, Pecten reticulus Dall, 1886 - syn of: Cyclopecten reticulus (Dall, 1886)
retiferus, Camptochlamys retiferus Morris & Lycett, 1853 † (FOSSIL)
revellei, Argopecten revellei Durham, 1950 † (FOSSIL)
revolutus, Pecten revolutus Michelotti † (FOSSIL)
reynali, Antillipecten reynali (Mongin, 1968) † (FOSSIL)
rhipidata, Annachlamys rhipidata Beu & Darragh, 2001 † (FOSSIL)
rigidus, Camptonectes rigidus (Sowerby, 1818) † (FOSSIL)
rigidus, Pecten rigidus Sowerby, 1821 † - syn of: Camptonectes rigidus (Sowerby, 1818) † (FOSSIL)
rikinnensis, Gloripallium rikinnensis Sinelnikova, 1975 † (FOSSIL)
rimulosus, Palliolum rimulosus Philippi, 1844 - syn of: Palliolum striatum (Müller, 1776)
ringnesia, Pseudamussium ringnesia Dall, 1924 - syn of: Cyclopecten ringnesia (Dall, 1924)
rinki, Pecten rinki Lundgren, 1895
robinaldina, Mimachlamys robinaldina (D'Orbigny, 1847) † (FOSSIL)
roemeri, Neithea roemeri Hill, 1889 † (FOSSIL)
rogersii, Chlamys rogersii Conrad, 1834 † (FOSSIL)
rollei, Chlamys rollei Stoliczka, 1861 † (FOSSIL)
rosealbus, Chlamys rosealbus (Scarlato, 1981)
roseopunctatus, Mesopeplum roseopunctatus Reeve, 1853 - syn of: Mesopeplum convexum (Quoy, 1835)
rosimon, Camptochlamys rosimon D'Orbigny, 1850 † (FOSSIL)
rotundus, Pecten rotundus Lutkevitch & Lobanova, 1960 † - syn of: Streblopteria levis Lutkevitch & Lobanova, 1960 † (FOSSIL)
rubicunda, Serratovola rubicunda (Récluz, 1843)
rubicunda aspera, Serratovola rubicunda aspera (Sowerby, 1842)
rubicunda passerina, Serratovola rubicunda passerina (Hinds, 1845)
rubicundus, Pecten rubicundus Chenu, 1843 - syn of: Serratovola rubicunda (Récluz, 1843)
rubida, Chlamys rubida Hinds, 1845
rubidus, Pecten rubidus Martyn, 1792 - syn of: Chlamys islandica (Müller, 1776)
rubromaculata, Laevichlamys rubromaculata (Sowerby, 1842)
rufiradiatus, Chlamys rufiradiatus Reeve, 1853 - syn of: Zygochlamys patagonica (King & Broderip, 1832)
rugosus, Pecten rugosus Sowerby, 1842 - syn of: Mimachlamys cloacata (Reeve, 1853)
ruschenbergeri, Laevichlamys ruschenbergeri (Tryon, 1869)
ruschenbergerii, Azumapecten ruschenbergerii (Tryon, 1869)
rushdenensis, Radulopecten rushdenensis Lycett, 1863 † (FOSSIL)
russata, Chlamys russata Reeve, 1853
rustica, Chlamys rustica Poli, 1795 - syn of: Flexopecten glaber (Linnaeus, 1758)
rutteni, Chlamys rutteni Martin, 1914 † (FOSSIL)
sablensis, Argopecten irradians sablensis Clarke
sacyi, Chlamys sacyi Cossmann & Peyrot, 1921 † (FOSSIL)
sanctiludovici, Chlamys sanctiludovici Anderson & Martin, 1914 † (FOSSIL)
sandbergeri, Pecten sandbergeri Klipstein, 1843 † - syn of: Pecten protei Münster, 1841 † (FOSSIL)
sandsfootensis, Camptonectes sandsfootensis Arkell W J † (FOSSIL)
sanduensis, Hunanonectes sanduensis Fang, 1978 † (FOSSIL)
sanguinea, Mimachlamys sanguinea (Linnaeus, 1758)
sanguinea porphyrea, Mimachlamys sanguinea porphyrea (Linnaeus, 1758)
sanguinolenta, Chlamys sanguinolenta (Gmelin, 1791) † (FOSSIL)
sanguinolentum, Gloripallium sanguinolentum Gmelin, 1791 - syn of: Gloripallium maculosum (Forsskål, 1775)
sansebastianus, Pecten sansebastianus Maury, 1920 † (FOSSIL)
sansebastianus laresianus, Pecten sansebastianus laresianus Maury, 1920
santacruzensis, Pecten santacruzensis Arnold, 1906 † (FOSSIL)
santamaria, Chesapecten santamaria (Tucker, 1934) † (FOSSIL)
santamaria, Chlamys santamaria Mansfield, 1936 † (FOSSIL)
santamaria middlesexensis, Chlamys santamaria middlesexensis Mansfield, 1936 † - syn of: Chesapecten middlesexensis (Mansfield, 1936) † (FOSSIL)
santarosanus, Pecten santarosanus Bose, 1905 † (FOSSIL)
sapolwanaensis, Minnivola sapolwanaensis Carter, 1966 † (FOSSIL)
saskatchewanensis, Pecten saskatchewanensis Warren, 1934 † (FOSSIL)
satoi, Chlamys satoi Yokoyama, 1928 † (FOSSIL)
sauciata, Laevichlamys sauciata (Gmelin, 1791)
sayanus, Chesapecten sayanus (Dall, 1898) † (FOSSIL)
scabrellus, Chlamys scabrellus Lamarck, 1819 † (FOSSIL)
scabricostata, Mimachlamys scabricostata (Sowerby, 1915)
scabriusculus, Aequipecten scabriusculus (Matherou) † (FOSSIL)
scandula, Talochlamys scandula (Hutton, 1873) † (FOSSIL)
schmeltzii, Pecten schmeltzii Dunker, 1888 - syn of: Pascahinnites coruscans (Hinds, 1845)
schrammi, Aequipecten schrammi Fischer, 1868 - syn of: Lindapecten exasperatus (Sowerby, 1842)
schréteri, Chlamys schréteri Noszky, 1936 † (FOSSIL)
scintillatus, Eburneopecten scintillatus (Conrad, 1854) † (FOSSIL)
scissuratus, Lepidopecten scissuratus (Dall, 1898) † (FOSSIL)
scitulum, Amussium scitulum Smith, 1885 - syn of: Parvamussium scitulum (Smith, 1885)
sculptilis, Camptonectes sculptilis Girty, 1909 † - syn of: Eocamptonectes sculptilis (Girty, 1909) † (FOSSIL)
seabeensis, Pecten seabeensis Richards, 1947 † (FOSSIL)
sealyi, Pecten sealyi Richards, 1947 † (FOSSIL)
secernendus, Pecten secernendus Tapparone-Canefri, 1874 - syn of: Mimachlamys crassicostata (Sowerby, 1842)
sedanensis, Pecten sedanensis Martin, 1909 † (FOSSIL)
segonzaci, Sinepecten segonzaci Schein, 2006
semilaevis, Serripecten semilaevis (McCoy, 1876) † (FOSSIL)
senatoria, Chlamys senatoria Gmelin, 1791 - syn of: Mimachlamys sanguinea (Linnaeus, 1758)
sendaiensis, Chlamys sendaiensis Masuda, 1962 † (FOSSIL)
sendanensis, Pecten sendanensis Martin, 1909 † (FOSSIL)
seniensis, Chlamys seniensis (Lamarck, 1819) † (FOSSIL)
seniensis, Aequipecten seniensis (Lamarck, 1819) † (FOSSIL)
senotrussovi, Ochotochlamys senotrussovi Truschelev, 1996 † (FOSSIL)
senticosus, Pecten senticosus Jeffreys, 1879 - syn of: Talochlamys pusio (Linnaeus, 1758)
sentis, Caribachlamys sentis (Reeve, 1853)
septemradiatum, Pseudamussium septemradiatum (Sacco, 1897) † (FOSSIL)
septemradiatum, Pseudamussium septemradiatum Auct. non Müller, 1776 - syn of: Pseudamussium clavatum (Poli, 1795)
septemradiatum, Pseudamussium septemradiatum Müller, 1776 - syn of: Pseudamussium peslutrae (Linnaeus, 1771)
septemradiatus, Pecten septemradiatus Müller, 1776 - syn of: Pseudamussium peslutrae (Linnaeus, 1771)
septenarius, Chesapecten jeffersonius septenarius Say (FOSSIL)
sergipensis, Neithea sergipensis White, 1887 † (FOSSIL)
sericeus, Leopecten sericeus (Hinds, 1845)
serrata, Laevichlamys squamosa serrata Sowerby
serraticosta, Indopecten serraticosta (Bittner, 1899) † (FOSSIL)
serratus, Pecten serratus Reeve, 1853 - syn of: Laevichlamys squamosa (Gmelin, 1791)
serratus, Pecten serratus Sowerby, 1842 - syn of: Mimachlamys dissimilis (Montrouzier, 1858)
sespensis, Chlamys sespensis Arnold, 1906 † (FOSSIL)
seymouri, Chlamys seymouri Marwick, 1928 † (FOSSIL)
shirahamaensis, Laevichlamys shirahamaensis (Masuda, 1962) † (FOSSIL)
shitakaraensis, Chlamys shitakaraensis Honda, 1980 † (FOSSIL)
sibogai, Amussium sibogai Dautzenberg & Bavay, 1904 - syn of: Propeamussium sibogai Dautzenberg, 1912
sibyllae, Pecten sibyllae G.B. Sowerby III, 1882 - syn of: Talochlamys gemmulata (Reeve, 1853)
siebenrocki, Amussium siebenrocki Sturany, 1901 - syn of: Parvamussium siebenrocki (Sturany, 1901)
sigsbeei, Pecten sigsbeei Dall, 1886 - syn of: Pectinella sigsbeei (Dall, 1886)
silentiensis, Pecten silentiensis McLearn, 1926 † (FOSSIL)
simanense, Pseudamussium simanense Kuroda, 1931 - syn of: Parvamussium alaskensis (Dall, 1871)
similis, Hyalopecten similis Laskey, 1811 - syn of: Similipecten similis (Laskey, 1811)
similis, Pecten similis Sowerby, 1842 - syn of: Pecten maxima (Linnaeus, 1758)
simoneae, Anguipecten simoneae Morrison & Whisson, 2009
simplicius, Pecten simplicius Conrad, 1860 † (FOSSIL)
sinensis, Pecten sinensis Sowerby, 1842 - syn of: Pecten excavatus Anton, 1838
singaporina, Volachlamys singaporina (Sowerby, 1842)
singaporina cumingii, Volachlamys singaporina cumingii (Reeve, 1853)
singaporinus, Mimachlamys singaporinus (Sowerby, 1853)
singkirensis, Amussiopecten singkirensis Martin, 1909 † (FOSSIL)
singularis, Kotorapecten singularis (Slodkewitsch, 1938) † (FOSSIL)
sinomarina, Volachlamys sinomarina Hertlein, 1936 - syn of: Volachlamys hirasei (Bavay, 1904)
sinuosa, Chlamys sinuosa Gmelin, 1791 - syn of: Talochlamys pusio (Linnaeus, 1758)
skiptonensis, Chesapecten skiptonensis (Mansfield, 1936) † (FOSSIL)
slodkewitschi, Mizuhopecten slodkewitschi Sinelnikova, 1969 † (FOSSIL)
smithi, Euvola smithi Olsson, 1914 † (FOSSIL)
smithi, Chlamys smithi Sowerby, 1908 - syn of: Cryptopecten nux (Reeve, 1853)
sojalis, Pecten sojalis Wittenburg, 1908 † - syn of: Confusionella loczyi (Bittner, 1901) † (FOSSIL)
sokolovi, Chlamys sokolovi Kluschnikov, 1958 † (FOSSIL)
sol, Amusium sol Brown & Pilsbry, 1913 † (FOSSIL)
solarioides, Chlamys solarioides (Heilprin, 1887) † (FOSSIL)
solaris, Annachlamys solaris Sowerby, 1842 - syn of: Annachlamys striatula (Linnaeus, 1758)
solarium, Pecten solarium (Lamarck, 1819) † (FOSSIL)
solaroides, Carolinapecten solaroides (Heilprin, 1887) † (FOSSIL)
solea, Chlamys solea Deshayes, 1824 † (FOSSIL)
solidulus, Pecten solidulus Reeve, 1853 - syn of: Argopecten ventricosus (Sowerby, 1842)
sollingensis, Hilberia sollingensis (Koenen, 1868) † (FOSSIL)
soror, Euvola soror (Gabb, 1873) † (FOSSIL)
sosneadoensis, Radulonectites sosneadoensis (Weaver, 1931) † (FOSSIL)
sowerbyi, Excellichlamys sowerbyi Dijkstra, 1998
sowerbyi, Pecten sowerbyi Reeve, 1852 - syn of: Leptopecten tumbezensis (D'Orbigny, 1846)
sp, Karnekampia sp (Munster, 1833) † (FOSSIL)
spathulatus, Pecten spathulatus Rouillier, 1846 † (FOSSIL)
speciosa, Gloripallium speciosa Reeve, 1853 - syn of: Gloripallium speciosum (Reeve, 1853)
speciosum, Gloripallium speciosum (Reeve, 1853)
spectabilis, Excellichlamys spectabilis (Reeve, 1853)
spectabilis, Hinnites spectabilis Cosel & Gofas, 1985 - syn of: Hinnites corallinus Sowerby, 1827
spendulum, Amusium spendulum Woodring, 1928 † (FOSSIL)
spiceri, Mirapecten spiceri Rehder, 1944 - syn of: Mirapecten rastellum (Lamarck, 1819)
spiniferum, Gloripallium spiniferum (Sowerby, 1835)
spinosula, Aequipecten tehuelchus spinosula Bavay
spinosus, Chlamys spinosus Brown, 1827 - syn of: Talochlamys pusio (Linnaeus, 1758)
spinulosa, Aequipecten spinulosa Bavay, 1906 - syn of: Aequipecten tehuelchus spinosula (Bavay, 1906)
splendens, Chlamys splendens Dollfus, 1863 † (FOSSIL)
splendidula, Mimachlamys splendidula (Sowerby, 1842)
spondyloides, Eopecten spondyloides (Roemer, 1836) † (FOSSIL)
spondyloideum, Pedum spondyloideum (Gmelin, 1791)
squamata, Scaeochlamys squamata (Gmelin, 1791)
squamea, Scaeochlamys squamea Dijkstra & Maestrati, 2009
squamigerum, Amussium squamigerum Smith, 1885 - syn of: Parvamussium squamigerum (Smith, 1885)
squamocostatus, Serripecten squamocostatus Beu & Darragh, 2001 † (FOSSIL)
squamosa, Laevichlamys squamosa (Gmelin, 1791)
squamosa larvata, Laevichlamys squamosa larvata (Reeve, 1853)
squamosa serrata, Laevichlamys squamosa serrata (Sowerby, 1842)
squamula, Pecten squamula Lamarck, 1806 † (FOSSIL)
squamuliferus, Pecten squamuliferus Morris, 1845 † - syn of: Squamuliferipecten squamuliferus (Morris, 1845) † (FOSSIL)
squamundata, Notochlamys squamundata Beu & Darragh, 2001 † (FOSSIL)
stantoni, Chlamys stantoni Hill, 1893 † (FOSSIL)
stantoni quitmanensis, Chlamys stantoni quitmanensis Stanton † (FOSSIL)
stapfi, Chlamys stapfi Neuffer, 1973 † (FOSSIL)
stearnsii, Pecten stearnsii Dall, 1878 † (FOSSIL)
steindachneri, Amussium steindachneri Sturany, 1901 - syn of: Propeamussium steindachneri (Sturany, 1901)
stellatus, Pecten stellatus Reeve, 1852 - syn of: Pseudamussium peslutrae (Linnaeus, 1771)
stettinensis, Hilberia stettinensis (von Koenen, 1868) † (FOSSIL)
stewartianus, Pecten stewartianus Lundgren, 1895
stillmani, Leopecten stillmani (Dijkstra, 1998)
stillmani, Pecten stillmani Dijkstra, 1998 - syn of: Leopecten stillmani (Dijkstra, 1998)
strangei, Decatopecten strangei Reeve, 1852 - syn of: Decatopecten plica (Linnaeus, 1758)
strategus, Chlamys strategus (Dall, 1898)
striata, Chlamys striata Müller, 1776 - syn of: Palliolum striatum (Müller, 1776)
striatocostata, Neithea striatocostata (Goldfuss, 1833) † (FOSSIL)
striatula, Annachlamys striatula (Linnaeus, 1758)
striatum, Palliolum striatum (Müller, 1776)
striatum, Decatopecten striatum Schumacher, 1817 - syn of: Decatopecten plica (Linnaeus, 1758)
striatum, Pecten striatum Schumacher, 1817 - syn of: Decatopecten plica (Linnaeus, 1758)
striatus, Palliolum striatus Müller, 1776 - syn of: Palliolum striatum (Müller, 1776)
striatus, Pecten striatus Müller, 1776 - syn of: Palliolum striatum (Müller, 1776)
strigillatus, Hyalopecten strigillatus (Dall, 1886)
strionatis, Pecten strionatis Quenstedt, 1858 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
studeri, Eopecten studeri (Pictet & Roux) † (FOSSIL)
sturtiana, Mimachlamys sturtiana (Tate, 1886) † (FOSSIL)
subalpina, Neithea subalpina Bose, 1919 † (FOSSIL)
subalpina linki, Neithea subalpina linki Kniker, 1928 † - syn of: Neithea subalpina Bose, 1919 † (FOSSIL)
subalternans, Pecten subalternans D'Orbigny, 1849 † (FOSSIL)
subantarctica, Chlamys subantarctica Hedley, 1916 - syn of: Zygochlamys delicatula (Hutton, 1873)
subantartica, Zygochlamys delicatula subantartica Hedley
subarcuatus, Pecten subarcuatus Tournouer, 1874 † (FOSSIL)
subauriculatus, Pecten subauriculatus Montagu, 1808 - syn of: Limatula subauriculata (Montagu, 1808)
subbenedictus, Oppenheimopecten subbenedictus (Fontannes, 1878) † (FOSSIL)
subbifrons, Equichlamys subbifrons (Tate, 1886) † (FOSSIL)
subconvexum, Mesopeplum subconvexum (Tate, 1887) † (FOSSIL)
subcorneum, Amusium subcorneum d'Archaic & Haime, 1854 † (FOSSIL)
subdemissus, Pecten subdemissus Münster, 1841 † (FOSSIL)
subdolus, Argopecten subdolus Hertlein, 1925 † (FOSSIL)
subgloriosa, Mimachlamys subgloriosa Iredale, 1939 - syn of: Mimachlamys gloriosa (Reeve, 1853)
subgranosus, Pecten subgranosus Waagen, 1881 † - syn of: Streblochondria subgranosa (Waagen, 1881) † (FOSSIL)
subgranosus, Pecten subgranosus Waagen, 1881 † - syn of: Streblochondria subgranosa (Waagen, 1881) † (FOSSIL)
subimbrifer, Palliolum subimbrifer Verrill & Bush, 1897 - syn of: Cyclopecten hoskynsi imbrifer (Lovén, 1846)
sublobatum, Pseudamussium sublobatum (Phillips, 1836) † (FOSSIL)
sublucidum, Amussium sublucidum Dautzenberg & Fischer, 1897 - syn of: Parvamussium propinquum (Smith, 1885)
subminutus, Eburneopecten subminutus Aldrich, 1903 † (FOSSIL)
subnodosus, Nodipecten subnodosus (Sowerby, 1836)
subplicatus, Pecten subplicatus Sowerby, 1842 - syn of: Decatopecten plica (Linnaeus, 1758)
subplicatus, Pecten subplicatus Sowerby, 1842 - syn of: Decatopecten plica (Linnaeus, 1758)
subquinquelineatus, Pecten subquinquelineatus M'Coy, 1847 † - syn of: Etheripecten subquinquelineatus (M'Coy, 1847) † (FOSSIL)
subrefugionensis, Kotorapecten subrefugionensis (Slodkewitsch, 1938) † (FOSSIL)
subrufa, Mimachlamys subrufa Gmelin, 1791 - syn of: Mimachlamys varia (Linnaeus, 1758)
subrufus, Pecten subrufus Pennant, 1777 - syn of: Aequipecten opercularis (Linnaeus, 1758)
subsingularis, Kotorapecten subsingularis Sinelnikova, 1975 † (FOSSIL)
subspinosus, Plesiopecten subspinosus Schlotheim, 1822 † (FOSSIL)
substriata, Chlamys substriata Roemer, 1835 † (FOSSIL)
subsulcata, Chlamys subsulcata Locard, 1888 - syn of: Flexopecten glaber (Linnaeus, 1758)
subteres, Janupecten subteres Marwick, 1943 † (FOSSIL)
subtripartita, Aequipecten subtripartita (d'Archiac, 1847) † (FOSSIL)
subulatus, Camptonectes subulatus (Goldfuss, 1834) † (FOSSIL)
subventricosus, Pecten subventricosus Dall, 1898 - syn of: Argopecten ventricosus (Sowerby, 1842)
subyessoensis, Mizuhopecten subyessoensis (Yokoyama, 1930) † (FOSSIL)
succineus, Pecten succineus Risso, 1826 - syn of: Flexopecten hyalinus (Poli, 1795)
sulcata, Karnekampia sulcata (Müller, 1776)
sulcata, Minnivola sulcata Gmelin, 1791 - syn of: Minnivola pyxidata (Born, 1778)
sulcata, Pecten sulcata Müller, 1776 - syn of: Karnekampia sulcata (Müller, 1776)
sulcata, Chlamys sulcata Müller, 1776 - syn of: Karnekampia sulcata (Müller, 1776)
sulcata coeni, Karnekampia sulcata coeni (Nordsieck, 1969)
sulcata pulchricostata, Karnekampia sulcata pulchricostata (Nordsieck, 1969)
sulcatum, Pseudamussium sulcatum Müller, 1776 - syn of: Karnekampia sulcata (Müller, 1776)
sulcatus, Pecten sulcatus Lamarck, 1819 - syn of: Flexopecten glaber (Linnaeus, 1758)
sulcatus, Pecten sulcatus Müller, 1776 - syn of: Karnekampia sulcata (Müller, 1776)
sulcatus crebricostata, Pecten sulcatus crebricostata Sars, 1878 - syn of: Karnekampia sulcata (Müller, 1776)
sulcatus typica, Pecten sulcatus typica Sars, 1878 - syn of: Karnekampia sulcata (Müller, 1776)
sulcicostatus, Pecten sulcicostatus Sowerby, 1842
sulcicostatus casa, Pecten sulcicostatus casa Bruggen, 1961 - syn of: Pecten novaezelandiae Reeve, 1852
sulphureus, Pecten sulphureus Dunker, 1888 - syn of: Pascahinnites coruscans (Hinds, 1845)
superbus, Anguipecten superbus (Sowerby, 1842)
superficialis, Laevichlamys superficialis (Forsskål, 1775)
superficialis, Scaeochlamys superficialis Forsskål, 1775 - syn of: Laevichlamys superficialis (Forsskål, 1775)
suprajurensis, Pecten suprajurensis Buvignier, 1843 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
suprajurensis, Camptonectes suprajurensis Cossmann, 1914 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
suprasilis, Talochlamys zelandiae suprasilis Finlay
suprasilis, Pecten suprasilis Finlay, 1928 - syn of: Talochlamys zelandiae suprasilis (Finlay, 1928)
suteri, Talochlamys gemmulata suteri Hertlein
suteri, Chlamys suteri Hertlein, 1933 - syn of: Talochlamys gemmulata suteri (Hertlein, 1933)
suttonensis, Chlamys suttonensis (Tawney) † (FOSSIL)
suwaneensis, Aequipecten suwaneensis Dall, 1898 † (FOSSIL)
suwanneensis, Pecten suwanneensis Dall, 1898 † (FOSSIL)
suzukii, Pecten suzukii Kobayashi, 1931 † - syn of: Tosapecten suzukii (Kobayashi, 1931) † (FOSSIL)
sverdrupi, Argopecten sverdrupi Durham, 1950 † (FOSSIL)
swifti, Swiftopecten swifti (Bernardi, 1858)
swifti kindlei, Swiftopecten swifti kindlei (Dall, 1920) † (FOSSIL)
swiftii echegoini, Decadopecten swiftii echegoini Anderson, 1905 † - syn of: Chlamys cosibensis Yokoyama, 1911 † (FOSSIL)
syagrus, Mesopeplum syagrus (Marwick, 1924) † (FOSSIL)
tagicus, Pecten tagicus Gotter † (FOSSIL)
tagicus laleiensis, Pecten tagicus laleiensis Erunal-Erentoz, 1958 † (FOSSIL)
tahuianus, Serripecten tahuianus Laws, 1935 † (FOSSIL)
taiaroa, Chlamys taiaroa Powell, 1952 - syn of: Talochlamys dichroa (Suter, 1909)
tainui, Pecten tainui Finlay, 1930 - syn of: Pecten novaezelandiae Reeve, 1852
tainui aotea, Pecten tainui aotea Fleming, 1953 - syn of: Pecten novaezelandiae Reeve, 1852
taiwanense, Amusium japonicum taiwanense Dijkstra
takahashii, Fortipecten takahashii (Yokoyama, 1930) † (FOSSIL)
talahabensis, Chlamys talahabensis Martin, 1922 † (FOSSIL)
tamiamiensis, Pecten tamiamiensis Mansfield, 1939 † (FOSSIL)
tamurae, Chlamys tamurae Masuda & Sawada, 1961
tamurai, Chlamys tamurai Tashiro, 1976 † (FOSSIL)
tanassevitschi, Leochlamys tanassevitschi Khomenko, 1934 † (FOSSIL)
tapeinus, Leopecten gatunensis tapeinus Woodring
tapensis, Chlamys tapensis Milova, 1985 † (FOSSIL)
tasmanicum, Mesopeplum tasmanicum (Adams, 1863) † (FOSSIL)
tasmanicus, Pecten tasmanicus Adams & Angas, 1863 - syn of: Notochlamys hexactes (Péron, 1819)
tauroperstriata, Chlamys tauroperstriata Sacco, 1897 † (FOSSIL)
tauroperstriaus, Chlamys tauroperstriaus Sacco, 1897 † (FOSSIL)
tauroperstriaus persimplicula, Chlamys tauroperstriaus persimplicula Sacco, 1897
taylorae, Argopecten irradians taylorae Petuch
tegulatus, Eopecten tegulatus (Morris & Lycett, 1853) † (FOSSIL)
tehuelchus, Aequipecten tehuelchus (D'Orbigny, 1842)
tehuelchus madrynensis, Aequipecten tehuelchus madrynensis (Bavay, 1906)
tehuelchus spinosula, Aequipecten tehuelchus spinosula (Bavay, 1906)
tehuelchus vanvincqii, Aequipecten tehuelchus vanvincqii (Bernardi, 1852)
teilhardi, Pecten teilhardi Grabau & King, 1928 - syn of: Volachlamys hirasei (Bavay, 1904)
telegdirothi, Pecten telegdirothi Csepreghy, 1960 † (FOSSIL)
tener, Taimyronectes tener Kurushin, 1987 † (FOSSIL)
tentorialis, Chlamys tentorialis Noodt, 1819 - syn of: Flexopecten flexuosus (Poli, 1795)
tenuicollis, Pecten tenuicollis Dana, 1847 † - syn of: Etheripecten tenuicollis (Dana, 1847) † (FOSSIL)
tenuicostata, Chlamys tenuicostata Klushnikov, 1958 † (FOSSIL)
tenuicostatus, Placopecten tenuicostatus Mighels & Adams, 1842 - syn of: Placopecten magellanicus (Gmelin, 1791)
tenuisculpta, Volachlamys tenuisculpta (Cox, 1927) † (FOSSIL)
terebratulaeformis, Gigantopecten terebratulaeformis Serres, 1829 † - syn of: Pecten tournali Serres, 1829 † (FOSSIL)
terebratuloides, Pecten terebratuloides Klipstein, 1843 † (FOSSIL)
tereinus, Euvola tereinus Dall, 1925 - syn of: Euvola chazaliei (Dautzenberg, 1900)
teres, Grandinectes teres Fürsich & Pan, 2014 † (FOSSIL)
terryi, Delectopecten terryi Olsson, 1942 † (FOSSIL)
testae, Pecten testae Bivona-Bernardi, 1836 - syn of: Palliolum incomparabile (Risso, 1826)
testae suborbicularis, Pecten testae suborbicularis Jeffreys, 1864 - syn of: Palliolum striatum (Müller, 1776)
testudinea, Mimachlamys testudinea Reeve, 1853 - syn of: Mimachlamys gloriosa (Reeve, 1853)
texana, Neithea texana Roemer, 1849 † (FOSSIL)
texana elongata, Neithea texana elongata Bose, 1919 † - syn of: Neithea texana Roemer, 1849 † (FOSSIL)
textilis, Chlamys textilis Reeve, 1853 - syn of: Talochlamys multistriata (Poli, 1795)
textoria, Chlamys textoria Schlotheim, 1820 † (FOSSIL)
thaanumi, Mirapecten mirificus thaanumi Dall, Bartsch & Rehder
thalerus, Chlamys thalerus Maury, 1924 † (FOSSIL)
thaumastus, Pecten thaumastus Maury, 1924 † (FOSSIL)
thetidis, Argopecten thetidis (Sowerby, 1850) † (FOSSIL)
thetidis, Amussium thetidis Hedley, 1902 - syn of: Parvamussium thetidis (Hedley, 1902)
thetidis, Pecten thetidis Sowerby, 1850 † - syn of: Argopecten thetidis (Sowerby, 1850) † (FOSSIL)
thetidis, Chlamys thetidis Sowerby, 1850 † - syn of: Argopecten thetidis (Sowerby, 1850) † (FOSSIL)
thetidis, Aequipecten thetidis Sowerby, 1850 † - syn of: Argopecten thetidis (Sowerby, 1850) † (FOSSIL)
thetidis optimum, Argopecten thetidis optimum Brown & Pilsbry, 1913
thomasi, Chlamys thomasi Sowerby, 1897 - syn of: Austrochlamys natans (Philippi, 1845)
thompsoni, Leptopecten thompsoni (Maury, 1917) † (FOSSIL)
thompsoni, Pecten thompsoni Maury, 1917 † - syn of: Leptopecten thompsoni (Maury, 1917) † (FOSSIL)
thompsoni, Chlamys thompsoni Stoyanow, 1949 † (FOSSIL)
thomsoni, Phialopecten thomsoni Marwick, 1965 † (FOSSIL)
thunensis, Aequipecten thunensis Mayer-Eymar, 1887 † (FOSSIL)
thyrideus, Pecten thyrideus Melvill, 1907 - syn of: Parvamussium thyrideum (Melvill, 1907)
tigerinum, Palliolum tigerinum (Müller, 1776)
tigerinum, Palliolum tigerinum (Muller, 1776) † (FOSSIL)
tigerinum laevis, Palliolum tigerinum laevis (Pennant, 1777)
tigerinus, Pecten tigerinus Müller, 1776 - syn of: Palliolum tigerinum (Müller, 1776)
tigerinus, Pecten tigerinus Muller, 1776 † (FOSSIL)
tigerinus costata, Pecten tigerinus costata Jeffreys, 1864 - syn of: Palliolum tigerinum (Müller, 1776)
tigrinum, Palliolum tigrinum Müller, 1776 - syn of: Palliolum tigerinum (Müller, 1776)
tigrinus, Palliolum tigrinus Müller, 1776 - syn of: Palliolum tigerinum (Müller, 1776)
tigrinus, Pecten tigrinus Reeve, 1853 - syn of: Palliolum tigerinum (Müller, 1776)
tigris, Semipallium tigris Lamarck, 1819 - syn of: Semipallium flavicans (Linnaeus, 1758)
tigris, Pecten tigris Lamarck, 1819 - syn of: Semipallium flavicans (Linnaeus, 1758)
tincta, Chlamys tincta Reeve, 1853 - syn of: Talochlamys multistriata (Poli, 1795)
tiorioriensis, Serripecten tiorioriensis Marwick, 1928 † (FOSSIL)
tipperi, Radulopecten tipperi Cox, 1936 † (FOSSIL)
tissotii, Pecten tissotii Bernardi, 1858
titirangiensis, Chlamys titirangiensis Marwick, 1928 - syn of: Zygochlamys delicatula (Hutton, 1873)
tjaringinensis, Chlamys tjaringinensis Martin, 1909 † (FOSSIL)
toaensis, Sectipecten toaensis Marwick, 1928 † (FOSSIL)
toi, Pecten toi Fleming, 1951 - syn of: Pecten novaezelandiae Reeve, 1852
tokyoensis, Patinopecten tokyoensis Tokunaga, 1906 † (FOSSIL)
tokyoensis hokurikuensis, Patinopecten tokyoensis hokurikuensis (Akiyama, 1962) † (FOSSIL)
tolagaensis, Phialopecten tolagaensis (Marwick, 1931) † (FOSSIL)
tolmani, Leptopecten tolmani Hall & Ambrose, 1916 † (FOSSIL)
toolinnensis, Abrachlamys toolinnensis Beu & Darragh, 2001 † (FOSSIL)
tornabeni, Pecten tornabeni Biondi-Giunti, 1860 - syn of: Palliolum incomparabile (Risso, 1826)
torresi, Amussium torresi Smith, 1885 - syn of: Parvamussium torresi (Smith, 1885)
toulae, Amusium toulae Brown & Pilsbry, 1911 † (FOSSIL)
tournali, Pecten tournali Serres, 1829 † (FOSSIL)
tournali neuvillei, Pecten tournali neuvillei Cossmann & Peyrot, 1921 † (FOSSIL)
tournoueri?, Pseudamussium tournoueri? Author unknown † (FOSSIL)
townsendi, Mimachlamys townsendi (Sowerby, 1895)
trailli, Austrohinnites trailli (Hutton, 1873) † (FOSSIL)
tranquebaria, Volachlamys tranquebaria (Gmelin, 1791)
transenna, Pecten transenna Suter, 1913 - syn of: Cyclochlamys transenna (Suter, 1913)
translucens, Delectopecten translucens Dautzenberg & Bavay, 1912 - syn of: Catillopecten translucens (Dautzenberg & Bavay, 1912)
traskii, Lyriochlamys traskii (Gabb, 1864) † (FOSSIL)
trentensis, Rebeccapecten trentensis (Harris, 1919) † (FOSSIL)
triadicus, Camptonectes triadicus Nakazawa, 1952 † (FOSSIL)
tricarinatus, Pecten tricarinatus Anton, 1838 - syn of: Serratovola rubicunda (Récluz, 1843)
trifida, Chlamys trifida Dunker, 1877 - syn of: Pecten jickelii Dunker, 1882
triggi, Mesopeplum triggi Cotton & Godfrey, 1938 - syn of: Mesopeplum fenestratum (Hedley, 1901)
trigintaradiata, Aequipecten trigintaradiata (Sowerby, 1850) † (FOSSIL)
trigris, Semipallium trigris (Lamarck, 1819)
trilinearis, Eopecten trilinearis (Seeley) † (FOSSIL)
triphooki, Chlamys triphooki (Zittel, 1864) † (FOSSIL)
triradiatus, Pecten triradiatus Müller, 1776 - syn of: Palliolum tigerinum (Müller, 1776)
triradiatus, Palliolum triradiatus Müller, 1776 - syn of: Palliolum tigerinum (Müller, 1776)
tryoni, Pecten tryoni Dall, 1889 - syn of: Aequipecten glyptus (Verrill, 1882)
tuberculosus, Eopecten tuberculosus (Goldfuss) † (FOSSIL)
tuberosus, Mirapecten tuberosus Dijkstra & Kilburn, 2001
tubulifer, Pecten tubulifer Münster, 1841 † (FOSSIL)
tuftsensis, Ruthipecten tuftsensis (Turner, 1967) † (FOSSIL)
tumbezensis, Leptopecten tumbezensis (D'Orbigny, 1846)
tumidus, Pecten tumidus Sowerby, 1835 - syn of: Argopecten ventricosus (Sowerby, 1842)
tunica, Leptopecten tunica Philippi, 1844 - syn of: Leptopecten latiauratus (Conrad, 1837)
turtoni, Euvola turtoni Smith, 1890 - syn of: Euvola ziczac (Linnaeus, 1758)
tyaughtonae, Pecten tyaughtonae McLearn, 1942 † (FOSSIL)
tydemani, Hyalopecten tydemani (Dijkstra, 1990)
ugolinii, Pecten ugolinii Déperet & Roam, 1910 † (FOSSIL)
umaltensis, Boreionectes umaltensis Sey, 1980 † (FOSSIL)
undatus, Hyalopecten undatus Verrill & Smith, 1885 - syn of: Hyalopecten pudicus (Smith, 1885)
undulatus, Chlamys undulatus Sowerby, 1842 - syn of: Notochlamys hexactes (Péron, 1819)
unicolor, Pecten unicolor Lamarck, 1819 - syn of: Flexopecten glaber (Linnaeus, 1758)
urbannaensis, Carolinapecten urbannaensis (Mansfield, 1928) † (FOSSIL)
urgonensis, Prohinnites urgonensis De Loriol † (FOSSIL)
urgonensis, Chlamys urgonensis De Loriol † (FOSSIL)
urumaconis, Euvola urumaconis Hodson & al., 1927 † (FOSSIL)
uselmae, Argopecten uselmae Pilsbry & Johnson, 1917 † (FOSSIL)
utahensis, Pecten utahensis Meek, 1860 † - syn of: Entolioides utahensis (Meek, 1860) † (FOSSIL)
utcholokensis, Delectopecten utcholokensis Krishtofovich, 1984 † - syn of: Pseudamussium peckhami Gabb, 1906 † (FOSSIL)
uttleyi, Janupecten uttleyi (Marwick, 1924) † (FOSSIL)
vagans, Radulopecten vagans (Sowerby, 1826) † (FOSSIL)
vaginula, Spathochlamys vaginula (Dall, 1898) † (FOSSIL)
valdecostatus, Pecten valdecostatus Melvill, 1888 - syn of: Mimachlamys cloacata (Reeve, 1853)
valoniensis, Praechlamys valoniensis (Defrance, 1825) † (FOSSIL)
vancouverensis, Delectopecten vancouverensis (Whiteaves, 1893)
vancouverensis fernandoensis, Pseudamussium vancouverensis fernandoensis Hertlein, 1925 - syn of: Delectopecten vancouverensis (Whiteaves, 1893)
vanvincqii, Aequipecten tehuelchus vanvincqii Bernardi
vanvlecki, Amussiopecten vanvlecki Arnold, 1907 † (FOSSIL)
varia, Mimachlamys varia (Linnaeus, 1758)
varia alba, Mimachlamys varia alba (Scacchi, 1836)
varia aurantia, Mimachlamys varia aurantia (Clement, 1879)
varia nivea, Mimachlamys varia nivea (Macgillivray, 1825)
variecostatus, Indopecten variecostatus Wen & Lan, 1976 † (FOSSIL)
vasatensis, Pecten vasatensis Benoist † (FOSSIL)
vasconiensis, Chlamys vasconiensis Cossmann & Peyrot, 1921 † (FOSSIL)
vasseli, Pecten vasseli Fuchs, 1878 † (FOSSIL)
vaughani, Pecten vaughani Cooke, 1919 † (FOSSIL)
vaughani flabellum, Pecten vaughani flabellum Cooke, 1919
vaun, Antillipecten vaun (Cooke, 1921) † (FOSSIL)
veatchii, Nodipecten veatchii (Gabb, 1869) † (FOSSIL)
velatus, Eopecten velatus (Goldfuss, 1833) † (FOSSIL)
velero, Paraleptopecten velero (Hertlein, 1935)
velero biolleyi, Leptopecten velero biolleyi Hertlein & Strong, 1946 - syn of: Paraleptopecten biolleyi (Hertlein & Strong, 1946)
vellicatus, Mesopeplum vellicatus Hutton, 1873 - syn of: Mesopeplum convexum (Quoy, 1835)
velutinus, Pecten velutinus Sowerby, 1842 - syn of: Decatopecten plica (Linnaeus, 1758)
velutinus, Pecten velutinus Sowerby, 1842 - syn of: Decatopecten plica (Linnaeus, 1758)
venezualanus, Argopecten venezualanus Hodson & Hodson, 1927 † (FOSSIL)
venosus, Serripecten venosus (Hutton, 1873) † (FOSSIL)
ventonensis, Pecten ventonensis Cooke, 1919 † (FOSSIL)
ventricosus, Argopecten ventricosus (Sowerby, 1842)
ventricosus aequisulcatus, Argopecten ventricosus aequisulcatus (Carpenter, 1864)
ventricosus inca, Argopecten ventricosus inca (D'Orbigny, 1846)
venturaensis, Chlamys venturaensis Waterfall, 1929 - syn of: Chlamys rubida Hinds, 1845
veracruzensis, Nodipecten veracruzensis Smith, 1991 † (FOSSIL)
verdachellensis, Pecten verdachellensis Forbes, 1846
verrilli, Chlamys verrilli Dollfus, 1898 - syn of: Spathochlamys benedicti (Dall, 1898)
versipellis, Veprichlamys versipellis Dijkstra & Kastoro, 1997
vescoi, Pecten vescoi Bavay, 1903 - syn of: Aequipecten opercularis (Linnaeus, 1758)
vesiculosus, Cryptopecten vesiculosus (Dunker, 1877)
vesiculosus, Aequipecten vesiculosus Dunker, 1877 - syn of: Cryptopecten vesiculosus (Dunker, 1877)
vesiculosus, Pecten vesiculosus Dunker, 1877 - syn of: Cryptopecten vesiculosus (Dunker, 1877)
vestalis, Spathochlamys vestalis (Reeve, 1853)
vexilium, Semipallium vexilium Reeve, 1853 - syn of: Bractechlamys vexillum (Reeve, 1853)
vexillum, Bractechlamys vexillum (Reeve, 1853)
vicenarius, Argopecten vicenarius (Conrad, 1843) † (FOSSIL)
vicinalis, Neithea vicinalis Stoyanow, 1949 † (FOSSIL)
victoriensis, Victoripecten victoriensis (Crespin, 1950) † (FOSSIL)
viezzenensis, Pecten viezzenensis Wilckens, 1909 † - syn of: Leptochondria occidanea (Meek, 1877) † (FOSSIL)
vigintisulcatus, Pecten vigintisulcatus Müller, 1776
virdunensis, Camptonectes virdunensis (Buvignier, 1852) † (FOSSIL)
virginiana, Placopecten virginiana (Conrad, 1840) † (FOSSIL)
virgo, Pecten virgo Lamarck, 1819 - syn of: Flexopecten glaber (Linnaeus, 1758)
vitreus, Delectopecten vitreus (Gmelin, 1791)
vitreus, Pecten vitreus Risso, 1826 - syn of: Palliolum incomparabile (Risso, 1826)
vitreus abyssorum, Delectopecten vitreus abyssorum (Sars, 1868)
vitreus albida, Pecten vitreus albida Locard, 1888 - syn of: Delectopecten vitreus (Gmelin, 1791)
vitreus denudata, Pecten vitreus denudata Locard, 1898 - syn of: Delectopecten vitreus (Gmelin, 1791)
vitreus elongata, Pecten vitreus elongata Locard, 1898 - syn of: Delectopecten vitreus (Gmelin, 1791)
vitreus inflata, Pecten vitreus inflata Locard, 1898 - syn of: Delectopecten vitreus (Gmelin, 1791)
vitreus laevigatus, Delectopecten vitreus laevigatus (Lovén, 1878)
vitreus lavigata, Pecten vitreus lavigata Lovén, 1846 - syn of: Delectopecten vitreus (Gmelin, 1791)
vitreus macrocheiricola, Delectopecten vitreus macrocheiricola Habe, 1951 - syn of: Delectopecten macrocheiricola (Habe, 1951)
vitreus minor, Pecten vitreus minor Locard, 1888 - syn of: Delectopecten vitreus (Gmelin, 1791)
vitreus sublaevigata, Pecten vitreus sublaevigata Locard, 1888 - syn of: Delectopecten vitreus (Gmelin, 1791)
vityazi, Hyalopecten vityazi Kamenev, 2016
vogdesi, Euvola vogdesi (Arnold, 1906)
vokesorum, Mimachlamys vokesorum Waller, 2011 † (FOSSIL)
vulgaris, Pecten vulgaris Da Costa, 1778 - syn of: Pecten maxima (Linnaeus, 1758)
wagenaari, Aequipecten wagenaari Marquet & Dijkstra, 2000 † (FOSSIL)
wahtubbeana, Chlamys wahtubbeana Dall, 1898 † (FOSSIL)
waihaeoensis, Duplipecten waihaeoensis (Suter, 1917) † (FOSSIL)
waihaoensis, Duplipecten waihaoensis (Suter, 1917) † (FOSSIL)
waikikius, Pecten waikikius Dall, Bartsch & Rehder, 1938
waikohuense, Mesopeplum waikohuense (Marwick, 1931) † (FOSSIL)
wainwrightensis, Chlamys wainwrightensis MacNeil, 1967 - syn of: Chlamys albida (Dall, 1906)
wajampolkensis, Chlamys wajampolkensis Sinelnikova, 1984 † (FOSSIL)
walleri, Aequipecten walleri (Glibert, 1976) † (FOSSIL)
walosseki, Austrochlamys natans walosseki Jonkers
wardiana, Complicachlamys wardiana Iredale, 1939
watanabei, Delectopecten watanabei Yokoyama, 1929 † - syn of: Pseudamussium peckhami Gabb, 1906 † (FOSSIL)
watsonensis, Argopecten eboreus watsonensis Mangfield (FOSSIL)
watsoni, Amussium watsoni Smith, 1885 - syn of: Propeamussium watsoni (Smith, 1885)
waylandi, Chlamys waylandi Cooke, 1919 † (FOSSIL)
weaveri, Leptopecten weaveri Clark, 1915 † (FOSSIL)
weberi, Laevichlamys weberi (Bavay, 1904)
weberi, Amussium weberi Dautzenberg & Bavay, 1912 - syn of: Propeamussium caducum (Smith, 1885)
welschbergensis, Chlamys welschbergensis Neuffer, 1973 † (FOSSIL)
wendelli, Pecten wendelli Tucker, 1934 † (FOSSIL)
werthi, Mirapecten werthi (Philippi, 1901) † (FOSSIL)
wilhelminae, Laevichlamys wilhelminae (Bavay, 1904)
wilhelminae maculata, Chlamys wilhelminae maculata Bavay, 1904 - syn of: Laevichlamys wilhelminae (Bavay, 1904)
williamsoni, Talochlamys williamsoni (Zittel, 1864) † (FOSSIL)
willobianus, Antillipecten willobianus (Cooke, 1919) † (FOSSIL)
wollastoni, Sectipecten wollastoni (Finlay, 1927) † (FOSSIL)
woodi, Korobkovia woodi (Nyst, 1861) † (FOSSIL)
woodringi, Amussiopecten woodringi Masuda, 1971 † - syn of: Pecten antiguensis Brown, 1913 † (FOSSIL)
woodringi, Argopecten woodringi Spieker, 1922 † (FOSSIL)
woodwardii, Pecten woodwardii Morris & Lycett, 1853 † - syn of: Camptonectes rigidus (Sowerby, 1818) † (FOSSIL)
woolmani, Pecten humphreysii woolmani Richards & Harbison
wrighti, Neithea wrighti (Shumard, 1860) † (FOSSIL)
wrightii, Janira wrightii Shumard, 1860 † - syn of: Neithea wrighti (Shumard, 1860) † (FOSSIL)
wunschae, Camptochlamys wunschae Marwick, 1953 † (FOSSIL)
wynnei, Pecten wynnei Waagen, 1881 † - syn of: Aviculopecten wynnei (Waagen, 1881) † (FOSSIL)
xishaense, Semipallium xishaense Wang, 1985 - syn of: Excellichlamys spectabilis (Reeve, 1853)
yahliensis, Serripecten yahliensis (Tenison Woods, 1865) † (FOSSIL)
yaroni, Mirapecten yaroni Dijkstra & Knudsen, 1998
yastchanensis, Chlamys yastchanensis Milova, 1985 † (FOSSIL)
yessoensis, Mizuhopecten yessoensis (Jay, 1857)
yessoensis yokoyamae, Mizuhopecten yessoensis yokoyamae (Masuda, 1962) † (FOSSIL)
yizhangensis, Hunanonectes yizhangensis Fang, 1978 † - syn of: Hunanonectes sanduensis Fang, 1978 † (FOSSIL)
yneziana, Vertipecten yneziana (Arnold, 1907) † (FOSSIL)
yokoyamae, Mizuhopecten yessoensis yokoyamae Masuda (FOSSIL)
yorkensis, Argopecten eboreus yorkensis Conrad (FOSSIL)
zacae, Delectopecten zacae (Hertlein, 1935)
zamorensis, Zamorapecten zamorensis (Hodson & Hodson, 1927) † (FOSSIL)
zeelandona, Chlamys zeelandona Hertlein, 1931 - syn of: Talochlamys zelandiae (Gray, 1843)
zelandiae, Talochlamys zelandiae (Gray, 1843)
zelandiae suprasilis, Talochlamys zelandiae suprasilis (Finlay, 1928)
ziczac, Euvola ziczac (Linnaeus, 1758)
ziczag, Pecten ziczag Linnaeus, 1758 - syn of: Euvola ziczac (Linnaeus, 1758)
zieteneus, Pecten zieteneus Buvignier, 1852 † - syn of: Camptonectes auritus (Schlotheim, 1813) † (FOSSIL)
zitteli, Camptochlamys zitteli Wohrmann & Koken, 1892 † (FOSSIL)
zonatus, Pecten zonatus Locard, 1888 - syn of: Palliolum striatum (Müller, 1776)
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