- adnata, Witchellia adnata Imlay, 1964 † - (HAMMATOCERATIDAE) (FOSSIL)
- adnata, Tanousia adnata (M. von Neumayr in Herbich & M. von Neumayr, 1875 †) - (HYDROBIIDAE) (FOSSIL)
- Adnatoceras, Genus Adnatoceras Flower, 1939 † (SPYROCERATIDAE) (FOSSIL)
- adnatum, Williamsoceras adnatum (Flower, 1964 †) - (ALLOTRIOCERATIDAE) (FOSSIL)
- adnatum, Nathorstoceras adnatum Kröger, 2013 † - (ERIDITIDAE) (FOSSIL)
- adnatus, Tomelasmus adnatus (L. Pfeiffer, 1864) - (UROCOPTIDAE)
- adnatus franciscanus, Tomelasmus adnatus franciscanus C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- adnatus guamaensis, Tomelasmus adnatus guamaensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- Adnethiceras, Genus Adnethiceras Wiedmann , 1970 † (LYTOCERATIDAE) (FOSSIL)
- adnethicum, Adnethiceras adnethicum (J. Von Hauer, 1854 †) - (LYTOCERATIDAE) (FOSSIL)
- adnethicus, Ammonites adnethicus J. Von Hauer, 1854 † - syn of: Adnethiceras adnethicum (J. Von Hauer, 1854 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- adneticus, Cenoceras adneticus (Pia, 1914 †) - (CENOCERATIDAE) (FOSSIL)
- adneticus, Nautilus adneticus Pia, 1914 † - syn of: Cenoceras adneticus (Pia, 1914 †) - (NAUTILIDAE) (FOSSIL)
- adolfi, Xeromagna adolfi (L. Pfeiffer, 1854) - (HYGROMIIDAE)
- adolfi, Leiostyla adolfi B.M. Pokryszko, 1991 - syn of: Caucasipupa paulinae (W.A. Lindholm, 1913) - (LAURIIDAE)
- adolfi, Abbottella adolfi L. Pfeiffer, 1858 - syn of: Abbottella adolphi (L. Pfeiffer, 1858) - (POMATIIDAE)
- adolfi, Albea adolfi (L. Pfeiffer, 1854) - (SPHINCTEROCHILIDAE)
- adolforolani, Turbonilla adolforolani A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- adolphei, Calyptraea adolphei R.P. Lesson, 1831 - syn of: Crepipatella peruviana (J.B.P.A. Lamarck, 1822) - (CALYPTRAEIDAE)
- adolphi, Deroceras adolphi A. Wiktor, 1998 - (AGRIOLIMACIDAE)
- adolphi, Barbatia adolphi R.W. Dunker, 1868 - syn of: Barbatia pistachia (J.B.P.A. Lamarck, 1819) - (ARCIDAE)
- adolphi, Helicella adolphi (L. Pfeiffer, 1854) - (HYGROMIIDAE)
- adolphi, Musculus adolphi R.W. Dunker, 1871 - syn of: Musculus nanus R.W. Dunker, 1856 - (MYTILIDAE)
- adolphi, Abbottella adolphi (L. Pfeiffer, 1858) - (POMATIIDAE)
- adolphi, Megastomia adolphi (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- adolphi, Paratibetites adolphi Mojsisovics, 1896 † - (TIBETITIDAE) (FOSSIL)
- adolphi peninsularis, Abbottella adolphi peninsularis P. Bartsch, 1946 - (POMATIIDAE)
- Adolphinoba, syn of: Genus Attenuata C. Hedley, 1918 (RISSOIDAE)
- Adomelon, syn of: Genus Adelomelon W.H. Dall in H.A. Pilsbry & A.A. Olsson, 1954 (VOLUTIDAE)
- adonensis, Riebeckia adonensis (H.H. Godwin-Austen, 1881) - (SUBULINIDAE)
- adonis, Ancistrobasis adonis B.A. Marshall, 1991 - (ANCISTROBASIDAE)
- adonis, Colus adonis W.H. Dall, 1919 - syn of: Kanamarua adonis (W.H. Dall, 1919) - (BUCCINIDAE)
- adonis, Papuina adonis G.F. Angas, 1869 - (CAMAENIDAE)
- adonis, Kanamarua adonis (W.H. Dall, 1919) - (COLUBRARIIDAE)
- adonis, Conus adonis T. Shikama, 1971 - syn of: Conasprella memiae T. Habe & S. Kosuge, 1970 - (CONIDAE)
- adonis, Lyncina adonis S.T. Rous, 1905 - syn of: Lyncina carneola (C. Linnaeus, 1758) - (CYPRAEIDAE)
- adonis, Palustorina adonis M. Yokoyama, 1927 - syn of: Littoraria sinensis (R.A. Philippi, 1847) - (LITTORINIDAE)
- adonis, Littorina adonis M. Yokoyama, 1927 - syn of: Littoraria sinensis (R.A. Philippi, 1847) - (LITTORINIDAE)
- adonis, Carinodrillia adonis H.A. Pilsbry & H.N. Lowe, 1932 - (PSEUDOMELATOMIDAE)
- Adontorhina, Genus Adontorhina S.S. Berry, 1947 (THYASIRIDAE)
- adonus, Unio adonus G. Servain, 1889 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- adoptata, Xerotricha adoptata (A. Mousson, 1872) - (HYGROMIIDAE)
- adoptus, Dryptus adoptus (L.A. Reeve, 1849) - (AMPHIBULIMIDAE)
- adoptus, Bulimus adoptus L.A. Reeve, 1849 - syn of: Dryptus marmoratus (R.W. Dunker, 1844) - (BULIMULIDAE)
- adorabilis, Bractechlamys adorabilis H.H. Dijkstra & H.P. Roussy, 1994 - (PECTINIDAE)
- adorfense, Manticoceras adorfense (Wedekind, 1913 †) - (GEPHUROCERATIDAE) (FOSSIL)
- adorfensis, Natica adorfensis Holzapfel, 1882 † - (NATICIDAE) (FOSSIL)
- adornata, Panenka adornata Barrande 1881 † - (ANTIPLEURIDAE) (FOSSIL)
- adornata, Vexillum curviliratum adornata (J.R. le B. Tomlin, 1920) - (COSTELLARIIDAE)
- adornata, Cernuella adornata Auct. - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- adornata, Mitra adornata J.R. le B. Tomlin, 1920 - syn of: Vexillum curviliratum (G.B. III Sowerby, 1874) - (MITRIDAE)
- adornata, Myophoria adornata McLearn, 1942 † - (MYOPHORIIDAE) (FOSSIL)
- Adoryherpia, Genus Adoryherpia E. Gil-Mansilla, Ó. García-Álvarez & V. Urgorri, 2009 (SIMROTHIELLIDAE)
- adotymensys, Buldowskia adotymensys Labay & Shulga, 1999 - syn of: Anemina arcaeformis (P.M. Heude, 1877) - (UNIONIDAE)
- adoxa, Bathrotomaria adoxa C. Bosch, 1998 † - syn of: Pleurotomaria subornata Münster, 1844 † - (PLEUROTOMARIIDAE) (FOSSIL)
- adpressa, Loxonema adpressa B. Phillips, 1841 † - syn of: Bensbergia elongata (B. Phillips, 1841 †) - (LOXONEMATIDAE) (FOSSIL)
- adpressa, Bensbergia adpressa A. Römer, 1843 † - syn of: Bensbergia elongata (B. Phillips, 1841 †) - (SOLENISCIDAE) (FOSSIL)
- adpressum, Reticuloceras adpressum Bisat & Hudson, 1943 † - (RETICULOCERATIDAE) (FOSSIL)
- adpressus, Hamites adpressus J. de C. Sowerby, 1814 † - syn of: Mastigohamites adpressus (J. de C. Sowerby, 1814 †) - (HAMITIDAE) (FOSSIL)
- adpressus, Mastigohamites adpressus (J. de C. Sowerby, 1814 †) - (PTYCHOCERATIDAE) (FOSSIL)
- adrae, Bohemojovellania adrae Kröger, 2008 † - (JOVELLANIIDAE) (FOSSIL)
- Adrana, Genus Adrana A. Adams & H. Adams, 1858 (NUCULANIDAE)
- Adranella, Genus Adranella A.E. Verrill & K.J. Bush, 1898 (YOLDIIDAE)
- adrarensis, Melanopsis adrarensis P.M. Pallary, 1912 - (MELANOPSIDAE)
- Adrarunio, Genus Adrarunio Van Damme & Bogan, 2015 † (NAKAMURANAIADIDAE) (FOSSIL)
- adrastia, Carinoturris adrastia (W.H. Dall, 1919) - (PSEUDOMELATOMIDAE)
- adria, Glyphostoma adria W.H. Dall, 1919 - (CLATHURELLIDAE)
- adria, Coelostemma adria (P. Bartsch, 1926) - (UROCOPTIDAE)
- Adriaca, syn of: Subgenus Delima (Semirugata) O. Böttger, 1878 (CLAUSILIIDAE)
- adriana, Allodiscus adriana (F.W. Hutton, 1883) - (CHAROPIDAE)
- adrianadiae, Volvarina adrianadiae T. Cossignani, 2006 - (MARGINELLIDAE)
- adrianae, Albinaria adrianae E. Gittenberger, 1979 - (CLAUSILIIDAE)
- adrianae, Virpazaria adrianae E. Gittenberger, 1969 - (SPELAEODISCIDAE)
- adrianae dubia, Albinaria adrianae dubia E. Gittenberger, 1979 - (CLAUSILIIDAE)
- adrianense, Hemibactrites adrianense (C. Gemmellaro, 1889 †) - (BACTRITIDAE) (FOSSIL)
- adrianense, Waagenoceras adrianense A. De Gregorio, 1930 † - (CYCLOLOBIDAE) (FOSSIL)
- adrianense, Orthoceras adrianense C. Gemmellaro, 1889 † - syn of: Hemibactrites adrianense (C. Gemmellaro, 1889 †) - (ORTHOCERATIDAE) (FOSSIL)
- adrianensis, Soleniscus adrianensis (C. Gemmellaro, 1889 †) - (SOLENISCIDAE) (FOSSIL)
- adrianensis, Macrochilina adrianensis C. Gemmellaro, 1889 † - syn of: Soleniscus adrianensis (C. Gemmellaro, 1889 †) - (SOLENISCIDAE) (FOSSIL)
- adrianensis, Trochus adrianensis C. Gemmellaro, 1889 † - (TROCHIDAE) (FOSSIL)
- adriani, Suniellus adriani A.S.H. Breure, 2011 - (BULIMULIDAE)
- adriani, Isabellaria adriani (E. Gittenberger, 1987) - (CLAUSILIIDAE)
- adriani, Nordophiceratoides adriani Guex & al., 2005 † - (NORDOPHICERATIDAE) (FOSSIL)
- adriani gittenbergeri, Isabellaria adriani gittenbergeri H. Nordsieck, 2007 - (CLAUSILIIDAE)
- Adriania, syn of: Genus Hadriania M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 (MURICIDAE)
- Adrianites, Genus Adrianites Gemmellaro, 1887 † (ADRIANITIDAE) (FOSSIL)
- ADRIANITIDAE Schindewolf, 1931 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-ADRIANITOIDEA [Superfamily]) (FOSSIL)
- Adriaria, syn of: Genus Gibbula Risso, 1826 † (TROCHIDAE) (FOSSIL)
- adriatica, Paludinella adriatica S. Clessin, 1878 - syn of: Paludinella sicana (G.A. Brugnone, 1876) - (ASSIMINEIDAE)
- adriatica, Galeodea echinophora adriatica (C. Linnaeus, 1758) - (CASSIDAE)
- Adriatica, syn of: Subgenus Delima (Semirugata) O. Böttger, 1878 (CLAUSILIIDAE)
- adriatica, Serrula adriatica T.A. de M. Monterosato, 1884 - syn of: Donax trunculus C. Linnaeus, 1758 - (DONACIDAE)
- adriatica, Ovatella adriatica H.C. Küster, 1844 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- adriatica, Emarginula adriatica A. da Costa, 1830 - (FISSURELLIDAE)
- adriatica, Haliotis adriatica G.D. Nardo, 1847 - syn of: Haliotis tuberculata lamellosa J.B.P.A. Lamarck, 1822 - (HALIOTIDAE)
- adriatica, Helix adriatica J.R. Bourguignat, 1888 - syn of: Chilostoma pouzolzi (G.P. Deshayes, 1830 ) - (HELICIDAE)
- adriatica, Hydrobia adriatica S. Clessin, 1878 - (HYDROBIIDAE)
- adriatica, Lyonsia adriatica G.S. Coen, 1937 - (LYONSIIDAE)
- adriatica, Gibbomodiola adriatica (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- adriatica, Modiolus adriatica J.B.P.A. Lamarck, 1819 - syn of: Gibbomodiola adriatica (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- adriatica, Nassa adriatica G.S. Coen, 1933 † - syn of: Tritia mutabilis (C. Linnaeus, 1758 †) - (NASSARIIDAE) (FOSSIL)
- adriatica, Nucula adriatica J.F. Gmelin, 1791 - syn of: Nucula nucleus (C. Linnaeus, 1758) - (NUCULIDAE)
- adriatica, Ostrea adriatica J.B.P.A. Lamarck, 1819 - syn of: Ostrea edulis C. Linnaeus, 1758 - (OSTREIDAE)
- adriatica, Pseudosimnia adriatica (G.B. I Sowerby, 1828) - (OVULIDAE)
- adriatica, Ovula adriatica G.B. I Sowerby, 1828 - syn of: Pseudosimnia adriatica (G.B. I Sowerby, 1828) - (OVULIDAE)
- adriatica, Pseudosimnia adriatica F.A. Schilder, 1941 - syn of: Pseudosimnia adriatica (G.B. I Sowerby, 1828) - (OVULIDAE)
- adriatica, Primovula adriatica J.K. Allan, 1956 - syn of: Pseudosimnia adriatica (G.B. I Sowerby, 1828) - (OVULIDAE)
- adriatica, Rimella adriatica Dainelli, 1919 † - (RIMELLIDAE) (FOSSIL)
- adriatica, Runcina adriatica T.E. Thompson, 1980 - (RUNCINIDAE)
- adriatica, Tellina adriatica J.F. Gmelin, 1791 - syn of: Nucula nucleus (C. Linnaeus, 1758) - (TELLINIDAE)
- adriatica, Gibbula adriatica (R.A. Philippi, 1844) - (TROCHIDAE)
- adriatica brachyterus, Gibbomodiola adriatica brachyterus (É.A.A. Locard, 1888) - (MYTILIDAE)
- adriatica elongata, Ovula adriatica elongata E. Réquien, 1848 - syn of: Pseudosimnia carnea (J.L.M. Poiret, 1789) - (OVULIDAE)
- adriatica iberia, Pseudosimnia adriatica iberia C.N. Cate, 1973 - syn of: Pseudosimnia adriatica (G.B. I Sowerby, 1828) - (OVULIDAE)
- adriatica iberica, Pseudosimnia adriatica iberica C.N. Cate, 1973 - (OVULIDAE)
- adriatica oblonga, Ovula adriatica oblonga E. Réquien, 1848 - syn of: Pseudosimnia carnea (J.L.M. Poiret, 1789) - (OVULIDAE)
- adriaticum, Ovula adriaticum G.B. I Sowerby, 1828 - syn of: Pseudosimnia adriatica (G.B. I Sowerby, 1828) - (OVULIDAE)
- adriaticus, Conus adriaticus G.D. Nardo, 1847 - syn of: Lautoconus ventricosus (J.F. Gmelin, 1791) - (CONIDAE)
- adriaticus, Donax trunculus adriaticus T.A. de M. Monterosato, 1884 - (DONACIDAE)
- adriaticus, Modiolus adriaticus J.B.P.A. Lamarck, 1819 - syn of: Gibbomodiola adriatica (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- adriaticus, Phaxas adriaticus (G.S. Coen, 1933) - (PHARIDAE)
- adriaticus ovalis, Modiolus adriaticus ovalis G.B. Sowerby, 1859 - syn of: Gibbomodiola adriatica (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- Adriella, syn of: Genus Lepidochitona J.E. Gray, 1821 (LEPIDOCHITONIDAE)
- Adriohydrobia, Genus Adriohydrobia P. Radoman, 1973 (HYDROBIIDAE)
- Adrioinsulana, Genus Adrioinsulana P. Radoman, 1978 (HYDROBIIDAE)
- adriolitoralis, Belgrandiella lacheineri adriolitoralis P. Radoman, 1975 - (HYDROBIIDAE)
- Adroina, syn of: Genus Adrana A. Adams & H. Adams, 1858 (NUCULANIDAE)
- adscabra, Epifungium adscabra E. Gittenberger & A. Gittenberger, 2005 - (EPITONIIDAE)
- adscita, Estria adscita J.L. Van Goethem, 1975 - (UROCYCLIDAE)
- adserseni, Bulimulus adserseni (G. Coppois, 1985) - (BULIMULIDAE)
- adsharica, Bythinella adsharica W.A. Lindholm, 1913 - syn of: Belgrandiella adsharica (W.A. Lindholm, 1913) - (BYTHINELLIDAE)
- adsharica, Belgrandiella adsharica (W.A. Lindholm, 1913) - (HYDROBIIDAE)
- adsharicus, Ortizius decipiens adsharicus F. Riedel, 1966 - (OXYCHILIDAE)
- adsharicus, Trigonochlamys adsharicus H.R. Simroth, 1901 - (TRIGONOCHLAMYDIDAE)
- adshariensis, Helix adshariensis W.A. Lindholm, 1913 - syn of: Hesseola solidior (A. Mousson, 1863) - (HELICIDAE)
- adshariensis, Euomphalia adshariensis W.A. Lindholm, 1913 - syn of: Hesseola solidior (A. Mousson, 1863) - (HYGROMIIDAE)
- adshariensis antontomashevici, Hesseola adshariensis antontomashevici V. Hüdec, 1972 - syn of: Hesseola solidior (A. Mousson, 1863) - (HYGROMIIDAE)
- adshariensis erzincanensis, Euomphalia adshariensis erzincanensis V. Hüdec, 1971 - syn of: Hesseola solidior (A. Mousson, 1863) - (HYGROMIIDAE)
- adshricus, Phrixolestes adshricus H.R. Simroth, 1901 - syn of: Trigonochlamys imitatrix O. Böttger, 1881 - (TRIGONOCHLAMYDIDAE)
- adspersa, Gabbiella adspersa (C.F. Jickeli, 1874) - (BITHYNIIDAE)
- adspersa, Cominella adspersa (J.G. Bruguière, 1789) - (BUCCINIDAE)
- adspersa, Crepidula adspersa R.W. Dunker, 1846 - syn of: Crepidula porcellana J.B.P.A. Lamarck, 1801 - (CALYPTRAEIDAE)
- adspersa, Lucapina adspersa (R.A. Philippi, 1845) - (FISSURELLIDAE)
- adspersa, Helix adspersa H.H. Beck, 1837 - syn of: Cornu aspersum (O.F. Müller, 1774) - (HELICIDAE)
- adspersa, Helicina adspersa L. Pfeiffer, 1839 - (HELICINIDAE)
- adspersa, Mactra adspersa R.W. Dunker, 1849 - syn of: Mactra achatina H.S. Holten, 1802 - (MACTRIDAE)
- adspersa, Natica adspersa K.T. Menke, 1830 - syn of: Naticarius hebraeus (T. Martyn, 1786) - (NATICIDAE)
- adspersa, Oliva carneola adspersa P. Dautzenberg, 1927 - (OLIVIDAE)
- adspersa, Patella caerulea adspersa unknown - (PATELLIDAE)
- adspersa, Tenellia adspersa (A. Nordmann, 1845) - (TRINCHESIIDAE)
- adspersa, Venus adspersa J.B.P.A. Lamarck, 1818 - syn of: Tapes literatus (C. Linnaeus, 1758) - (VENERIDAE)
- adspersa, Tapes conspersus adspersa A. Römer, 1870 - (VENERIDAE)
- adspersa nimia, Cominella adspersa nimia H.J. Finlay, 1928 - syn of: Cominella adspersa (J.G. Bruguière, 1789) - (BUCCINIDAE)
- adspersum, Granosolarium adspersum R.B. Hinds, 1844 - syn of: Granosolarium asperum (R.B. Hinds, 1844) - (ARCHITECTONICIDAE)
- adspersum, Buccinum adspersum J.G. Bruguière, 1789 - syn of: Cominella adspersa (J.G. Bruguière, 1789) - (BUCCINIDAE)
- adspersum, Calliostoma adspersum (R.A. Philippi, 1851) - (CALLIOSTOMATIDAE)
- adspersus, Pseudamussium adspersus J.B.P.A. Lamarck, 1819 - syn of: Pseudamussium peslutrae (C. Linnaeus, 1771) - (PECTINIDAE)
- adstrictum, Platyostoma adstrictum Lindström, 1884 † - (PLATYCERATIDAE) (FOSSIL)
- Adula, Genus Adula H. Adams & A. Adams, 1857 (MYTILIDAE)
- aduloides, Bathymodiolus aduloides J. Hashimoto & T.A. Okutani, 1994 - (MYTILIDAE)
- Adulomya, Genus Adulomya Kuroda, 1931 † (VESICOMYIDAE) (FOSSIL)
- adulta, Euplecta adulta (A.R.J.B. Bavay, 1908) - (ARIOPHANTIDAE)
- adulta, Tyrannozaptyx adulta F. Käufel, 1930 - (CLAUSILIIDAE)
- adulterata, Turritella adulterata (G.P. Deshayes, 1861 †) - (TURRITELLIDAE) (FOSSIL)
- adulterata, Haustator adulterata G.P. Deshayes, 1861 † - syn of: Turritella adulterata (G.P. Deshayes, 1861 †) - (TURRITELLIDAE) (FOSSIL)
- adumbra, Strophiops adumbra C.J. Maynard & W.F. Clapp, 1920 - (CERIONIDAE)
- adumbrata, Rhachistia adumbrata (L. Pfeiffer, 1855) - (CERASTUIDAE)
- adumbrata, Mitra adumbrata S.M. Souverbie, 1876 - syn of: Thala jaculanda (A.A. Gould, 1860) - (MITRIDAE)
- adumbrata, Neritina adumbrata L.A. Reeve, 1855 - (NERITIDAE)
- adumbratum, Plagiostomoceras adumbratum P.A. Zhuravleva, 2006 † - (SPHAERORTHOCERATIDAE) (FOSSIL)
- adunca, Arca adunca A. Adams & L.A. Reeve, 1850 - (ARCIDAE)
- adunca, Crepidula adunca G.B. I Sowerby, 1825 - (CALYPTRAEIDAE)
- adunca, Ceratotheca adunca (Barrande, 1867 †) - (CERATOTHECIDAE) (FOSSIL)
- adunca, Clypeomorus adunca (A.A. Gould, 1849) - (CERITHIIDAE)
- adunca, Cocculina adunca (J.G. Jeffreys, 1870) - (COCCULINIDAE)
- adunca, Latouchella adunca W.C. Zhou & Q. Xiao, 1984 † - (COREOSPIRIDAE) (FOSSIL)
- adunca, Leiomya adunca (A.A. Gould, 1861) - (CUSPIDARIIDAE)
- adunca, Corbicula adunca P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- adunca, Pteropurpura adunca G.B. II Sowerby, 1834 - syn of: Ocinebrellus falcata (G.B. II Sowerby, 1834) - (MURICIDAE)
- adunca, Myalinella adunca Chronic, 1952 † - (MYALINIDAE) (FOSSIL)
- adunca, Pelagiella adunca Missarzhevsky in Rozanov & Missarzhevsky, 1966 † - (PELAGIELLIDAE) (FOSSIL)
- adunca, Pelagiella adunca He & al., 1984 † - syn of: Pelagiella adunca Missarzhevsky in Rozanov & Missarzhevsky, 1966 † - (PELAGIELLIDAE) (FOSSIL)
- adunca, Pelagiella adunca He & al., 1984 † - syn of: Pelagiella adunca Missarzhevsky in Rozanov & Missarzhevsky, 1966 † - (PELAGIELLIDAE) (FOSSIL)
- adunca, Scrobicularia adunca A.A. Gould, 1861 - syn of: Leptomya cochlearis (R.B. Hinds, 1844) - (SCROBICULARIIDAE)
- adunca, Leptomya adunca (A.A. Gould, 1861) - (SEMELIDAE)
- adunca, Gafrarium adunca A. Römer, 1869 - syn of: Gafrarium savignyi (I.H. Jonas, 1846) - (VENERIDAE)
- adunca uncata, Crepidula adunca uncata K.T. Menke, 1847 - (CALYPTRAEIDAE)
- aduncanosa, Peronidia aduncanosa (C.J.S. Hickman, 1969 †) - (TELLINIDAE) (FOSSIL)
- aduncata, Crassinella aduncata N.E. Weisbord, 1964 - syn of: Crassinella dupliniana W.H. Dall, 1903 - (CRASSATELLIDAE)
- aduncospinosus, Murex aduncospinosus G.B. II Sowerby, 1841 - (MURICIDAE)
- aduncum, Cyrtoceras aduncum Barrande, 1866 † - syn of: Sthenoceras aduncum (Barrande, 1866 †) - (ONCOCERIDA (unassigned)) (FOSSIL)
- aduncum, Sthenoceras aduncum (Barrande, 1866 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- aduncum, Proplina aduncum Berkey, 1898 † - syn of: Proplina cornutaformis (Walcott, 1879 †) - (TRYBLIDIIDAE) (FOSSIL)
- aduncus, Fusus aduncus H.G. Bronn, 1831 - syn of: Euthria cornea (C. Linnaeus, 1758) - (FASCIOLARIIDAE)
- aduncus, Lamellipecten aduncus H.H. Dijkstra & P. Maestrati, 2010 - (PECTINIDAE)
- aduncus, Ancylus aduncus A.A. Gould, 1847 - (PLANORBIDAE)
- aduncus, Loxobidens aduncus Hodgkinson, 1992 † - (THECOSOMATA (UNASSIGNED)) (FOSSIL)
- adurni, Globularia adurni Wrigley † - (AMPULLINIDAE) (FOSSIL)
- adusta, Achatinella adusta L.A. Reeve, 1850 - (ACHATINELLIDAE)
- adusta, Achatina adusta A.A. Gould - syn of: Carelia bicolor (J.C. Jay, 1839) - (ACHATINIDAE)
- adusta, Carelia bicolor adusta (A.A. Gould) - (AMASTRIDAE)
- adusta, Pila adusta (L.A. Reeve, 1856) - (AMPULLARIIDAE)
- adusta, Arene adusta J.H. McLean, 1970 - (ARENEIDAE)
- adusta, Gabbia adusta W.F. Ponder, 2003 - (BITHYNIIDAE)
- adusta, Penion sulcatus adusta (R.A. Philippi, 1845) - (BUCCINIDAE)
- adusta, Incaglaia adusta (O. Böttger, 1880) - (CLAUSILIIDAE)
- adusta, Tropidauchenia dorri adusta H. Nordsieck, 2012 - (CLAUSILIIDAE)
- adusta, Potamocorbula adusta (L.A. Reeve, 1844) - (CORBULIDAE)
- adusta, Corbula adusta L.A. Reeve, 1844 - syn of: Potamocorbula adusta (L.A. Reeve, 1844) - (CORBULIDAE)
- adusta, Erronea adusta (J.B.P.A. Lamarck, 1810) - (CYPRAEIDAE)
- adusta, Cypraea adusta J.B.P.A. Lamarck, 1810 - syn of: Erronea adusta (J.B.P.A. Lamarck, 1810) - (CYPRAEIDAE)
- Adusta, syn of: Genus Erronea F.H. Troschel, 1863 (CYPRAEIDAE)
- adusta, Drillia adusta (G.B. I Sowerby, 1834) - (DRILLIIDAE)
- adusta, Mitra adusta J.B.P.A. Lamarck, 1811 - syn of: Mitra eremitarum P.F. Röding, 1798 - (MITRIDAE)
- adusta, Tricolia adusta T.C. Nangammbi & D.G. Herbert, 2006 - (PHASIANELLIDAE)
- adusta, Pinna adusta L.W. Dillwyn, 1817 - syn of: Atrina exusta (J.F. Gmelin, 1791) - (PINNIDAE)
- adusta, Goniobasis adusta (I. Lea, 1831) - (PLEUROCERIDAE)
- adusta, Turbonilla adusta W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- adusta, Euprotomus adusta L.W. Dillwyn, 1817 - syn of: Euprotomus aratrum (P.F. Röding, 1798) - (STROMBIDAE)
- adusta, Anodonta adusta H. Drouët, 1894 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- adusta angulata, Carelia adusta angulata W.H. Pease - syn of: Carelia bicolor angulata W.H. Pease, 1871 - (AMASTRIDAE)
- adusta callistoglypta, Incaglaia adusta callistoglypta (H.A. Pilsbry, 1949) - (CLAUSILIIDAE)
- adusta cuencaensis, Incaglaia adusta cuencaensis (W.K. Weyrauch, 1964) - (CLAUSILIIDAE)
- adusta melanesiae, Erronea adusta melanesiae F.A. Schilder & M. Schilder, 1937 - (CYPRAEIDAE)
- adusta melanesiae andamanensis, Erronea adusta melanesiae andamanensis (F.A. Schilder, 1937) - (CYPRAEIDAE)
- adusta minor, Carelia adusta minor F. Borcherding - syn of: Carelia bicolor fuliginea minor F. Borcherding - (AMASTRIDAE)
- adusta olssoni, Incaglaia adusta olssoni (H.A. Pilsbry, 1949) - (CLAUSILIIDAE)
- adusta persica, Erronea adusta persica (F.A. Schilder & M. Schilder, 1938) - (CYPRAEIDAE)
- adusta tumens, Incaglaia adusta tumens (F. Haas, 1955) - (CLAUSILIIDAE)
- adusta zonata, Carelia adusta zonata F. Borcherding - syn of: Carelia bicolor fuliginea zonata F. Borcherding - (AMASTRIDAE)
- adustella, Tropidauchenia dorri adustella H. Nordsieck, 2012 - (CLAUSILIIDAE)
- Adustini, syn of: Subgenus Umbilia (Palliocypraea) A.E.M. Cossmann, 1906 † (CYPRAEIDAE) (FOSSIL)
- adustum, Cerithium adustum L.C. Kiener, 1841 - (CERITHIIDAE)
- adustum, Cerithium adustum G.B. Sowerby, 1855 - syn of: Cerithium adustum L.C. Kiener, 1841 - (CERITHIIDAE)
- adustus, Phoenicobius adustus (G.B. I Sowerby, 1841) - (BRADYBAENIDAE)
- adustus, Conus adustus G.B. II Sowerby, 1858 - syn of: Phasmoconus erythraeensis (L.A. Reeve, 1843) - (CONIDAE)
- adustus, Fusus adustus R.A. Philippi, 1845 - syn of: Penion sulcatus (J.B.P.A. Lamarck, 1816) - (FASCIOLARIIDAE)
- adustus, Fusinus adustus G.S. Coen, 1914 - syn of: Fusinus pulchellus (R.A. Philippi, 1844) - (FASCIOLARIIDAE)
- adustus, Murex adustus J.B.P.A. Lamarck, 1822 - syn of: Triplex brunneus (J.H.F. Link, 1807) - (MURICIDAE)
- adustus, Hexaplex trunculus adustus (T.A. de M. Monterosato, 1879) - (MURICIDAE)
- adustus, Strombus adustus W.J. Swainson in L.A. Reeve, 1851 - syn of: Lentigo pipus (P.F. Röding, 1798) - (STROMBIDAE)
- advena, Batillaria advena K.V.W. Palmer, 1953 † - (BATILLARIIDAE) (FOSSIL)
- advena, Neocyrtolites advena J. Perner, 1903 † - (CYRTOLITIDAE) (FOSSIL)
- Advena, Genus Advena G.P.L.K. Gude, 1913 (EUCONULIDAE)
- advena, Eremina advena P.B. Webb & S. Berthelot, 1833 - syn of: Leptaxis advena (P.B. Webb & S. Berthelot, 1833) - (HELICIDAE)
- advena, Leptaxis advena (P.B. Webb & S. Berthelot, 1833) - (HYGROMIIDAE)
- advena, Spiculata advena C.N. Cate, 1978 - syn of: Simnia arcuata (L.A. Reeve, 1865) - (OVULIDAE)
- advena, Pleurotomaria advena Winchell, 1864 † - syn of: Sinuopea advena (Winchell, 1864 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- advena, Sinuopea advena (Winchell, 1864 †) - (SINUOPEIDAE) (FOSSIL)
- advena myristica, Eremina advena myristica R.J. Shuttleworth, 1852 - syn of: Leptaxis advena myristica (R.J. Shuttleworth, 1852) - (HELICIDAE)
- advena myristica, Leptaxis advena myristica (R.J. Shuttleworth, 1852) - (HYGROMIIDAE)
- advenoides, Helix advenoides C.de Paiva, 1867 - syn of: Leptaxis simia (A.E.J. Férussac, 1832) - (HELICIDAE)
- advenoides, Leptaxis simia advenoides (C.de Paiva, 1867) - (HYGROMIIDAE)
- adventa, Ectomaria adventa (Butts, 1926 †) - (LOPHOSPIRIDAE) (FOSSIL)
- adventa, Omospira adventa Butts, 1926 † - syn of: Ectomaria adventa (Butts, 1926 †) - (LOXONEMATIDAE) (FOSSIL)
- adventicia, Alopia adventicia M. von Kimakowicz, 1894 - (CLAUSILIIDAE)
- adventicia, Syrnola adventicia A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- adventus, Typhis adventus P. Vella, 1961 † - (MURICIDAE) (FOSSIL)
- advenus, Glycymeris advenus Pronina, 1969 † - (GLYCYMERIDIDAE) (FOSSIL)
- advenus, Pazinotus advenus L.H. Poorman, 1980 - (MURICIDAE)
- adversa, Kiaclymenia adversa G. Richter, 1848 † - syn of: Kiaclymenia laevis (G. Richter, 1848 †) - (BILOCLYMENIIDAE) (FOSSIL)
- adversa, Caprina adversa A.V.M.D. D'Orbigny, 1850 † - (CAPRINIDAE) (FOSSIL)
- adversa, Clymenia adversa G. Richter, 1848 † - syn of: Kiaclymenia laevis (G. Richter, 1848 †) - (CLYMENIIDAE) (FOSSIL)
- adversa, Sulcomitrella adversa K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- adversa, Gastroptychia adversa (H. Adams & A. Adams, 1851) - (DIPLOMMATINIDAE)
- adversa, Physa adversa (E.M. Da Costa, 1778) - (PHYSIDAE)
- adversa, Marshallora adversa (G. Montagu, 1803) - (TRIPHORIDAE)
- Adversaria, syn of: Subgenus Synprosphyma (Excussispira) W.A. Lindholm, 1925 (CLAUSILIIDAE)
- adversarium, Sinistrofulgur adversarium (T.A. Conrad, 1862 †) - (BUSYCONIDAE) (FOSSIL)
- adversarius, Contraconus adversarius (T.A. Conrad, 1840 †) - (CONIDAE) (FOSSIL)
- adversidentatus, Porterius adversidentatus (G.P. Deshayes, 1858 †) - (PARALLELODONTIDAE) (FOSSIL)
- adversum, Cerithium adversum G. Montagu, 1803 - syn of: Marshallora adversa (G. Montagu, 1803) - (CERITHIIDAE)
- adversus, Murex adversus G. Montagu, 1803 - syn of: Marshallora adversa (G. Montagu, 1803) - (MURICIDAE)
- advertex, Plicaustraconus advertex (T.A. Garrard, 1961) - (CONIDAE)
- advertex, Rhizoconus advertex T.A. Garrard, 1961 - syn of: Plicaustraconus advertex (T.A. Garrard, 1961) - (CONIDAE)
- advolvens, Erbenoceras advolvens (Erben, 1960 †) - (MIMOSPHINCTIDAE) (FOSSIL)
- adwani, Euchondrus adwani E. Neubert & Amr, 2016 - (ENIDAE)
- adyarensis, Cuthona adyarensis Subba Rao, 1952 - (FIONIDAE)
- Adygeites, Genus Adygeites Shevyrev , 1995 † (ADYGEITIDAE) (FOSSIL)
- ADYGEITIDAE Shevyrev, 1995 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-TROPITOIDEA [Superfamily]) (FOSSIL)
- adygensis, Adygeya adygensis Doguzhaeva, 1996 † - (ADYGEYIDAE) (FOSSIL)
- Adygeya, Genus Adygeya Doguzhaeva, 1996 † (ADYGEYIDAE) (FOSSIL)
- ADYGEYIDAE Doguzhaeva, 1996 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-SPIRULIDA [Order]) (FOSSIL)
- adyshevi, Adyshevitheca adyshevi Mambetov & Repina, 1979 † - (CALYPTOPTOMATIDA (UNASSIGNED)) (FOSSIL)
- Adyshevitheca, Genus Adyshevitheca Mambetov & Repina, 1979 † (CALYPTOPTOMATIDA (UNASSIGNED)) (FOSSIL)
- Adzharia, syn of: Genus Bulimulus W.E. Leach, 1814 (BULIMULIDAE)
- Adzharia, Genus Adzharia P. Hesse, 1933 (ENIDAE)
- adzubae, Gibberula adzubae J.A. Ortea, 2015 - (CYSTISCIDAE)
- Adzvaella, Genus Adzvaella Kanev, 1983 † (PROKOPIEVSKIIDAE) (FOSSIL)
- aeaea, Eulimella aeaea J.C. Melvill, 1904 - (PYRAMIDELLIDAE)
- Aechmospira, Genus Aechmospira Qiao † (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- aeci, Spinoaglaja aeci (J.A. Ortea & J. Espinosa, 2001) - (AGLAJIDAE)
- aeci, Philinopsis aeci J.A. Ortea & J. Espinosa, 2001 - syn of: Spinoaglaja aeci (J.A. Ortea & J. Espinosa, 2001) - (AGLAJIDAE)
- aeclili, Cerion caroli aeclili C.G. Aguayo & C. de la Torre, 1951 - (CERIONIDAE)
- Aecotraustes, syn of: Genus Oecotraustes Waagen, 1869 † (OPPELIIDAE) (FOSSIL)
- aedemata, Atys aedemata W.H. Dall, 1895 † - syn of: Atys oedemata W.H. Dall, 1895 † - (HAMINOEIDAE) (FOSSIL)
- aedicnema, Pugilina aedicnema A.A. Olsson, 1928 † - (MELONGENIDAE) (FOSSIL)
- aedicula, Onoba aedicula (C.R. Laws, 1940 †) - (RISSOIDAE) (FOSSIL)
- aedicula, Manawatawhia aedicula C.R. Laws, 1940 † - syn of: Onoba aedicula (C.R. Laws, 1940 †) - (RISSOIDAE) (FOSSIL)
- aedicula, Cirsonella aedicula C.R. Laws, 1936 † - (SKENEIDAE) (FOSSIL)
- aedicularum, Ocenebra aedicularum K.H. Barnard, 1969 - syn of: Vaughtia babingtoni (G.B. III Sowerby, 1892) - (MURICIDAE)
- aedificata, Turritella uvasana aedificata Clark & J.W. Durham, 1946 - (TURRITELLIDAE)
- aedificator, Cucurbitula aedificator (L. de Folin in L. de Folin & J.P.L. Périer, 1879) - (GASTROCHAENIDAE)
- aedificatum, Vasum aedificatum R.J.L. Guppy, 1876 † - (TURBINELLIDAE) (FOSSIL)
- aedilii, Cerion aedilii C.G. Aguayo & C. de la Torre, 1951 - (CERIONIDAE)
- aedilii, Ustronia sloanii aedilii (C.G. Aguayo & C. de la Torre, 1954) - (HELICINIDAE)
- aedilis, Limicolaria kambeul aedilis A.E.J. Férussac - (ACHATINIDAE)
- aedilis, Littorina aedilis (Münster in Goldfuss) † - (LITTORINIDAE) (FOSSIL)
- Aedimytilus, Genus Aedimytilus Olsson, 1961 (MYTILIDAE)
- Aedituans, Subgenus Tornatellides (Aedituans) C.M. Cooke & Y. Kondo, 1960 (ACHATINELLIDAE)
- aedonia, Anatoma aedonia (R.B. Watson, 1886) - (ANATOMIDAE)
- aedonia, Coralliophila aedonia (R.B. Watson, 1886) - (MURICIDAE)
- aedonis, Onoba aedonis (R.B. Watson, 1886) - (RISSOIDAE)
- aedonium, Bittium aedonium (R.B. Watson, 1880) - (CERITHIIDAE)
- Aeg1ia, syn of: Genus Lampsilis C.S. Rafinesque, 1820 (UNIONIDAE)
- Aega, syn of: Subgenus Partula (Marquesana) H.A. Pilsbry, 1909 (PARTULIDAE)
- Aegacrioceras, syn of: Genus Aegocrioceras Spath, 1924 † (AEGOCRIOCERATIDAE) (FOSSIL)
- aegaea, Goniochilus aegaea (H. Schütt in H. Schütt & Besenecker, 1973 †) - (HYDROBIIDAE) (FOSSIL)
- aegaea, Corymbina aegaea (P. Oppenheim, 1919 †) - (LYMNAEIDAE) (FOSSIL)
- aegaeicus, Milax aegaeicus A. Wiktor & M. Mylonas, 1986 - (MILACIDAE)
- Aegaeotheba, Subgenus Monacha (Aegaeotheba) Neiber & Hausdorf, 2017 (HYGROMIIDAE)
- aegaeus, Gyraulus aegaeus Willmann, 1981 - (PLANORBIDAE)
- Aegasteroceras, Genus Aegasteroceras Spath, 1925 † (ARIETITIDAE) (FOSSIL)
- aegea, Melanopsis aegea J.R. Tournouër, 1875 † - (MELANOPSIDAE) (FOSSIL)
- aegeensis, Allogramma aegeensis R. Sturany, 1896 - syn of: Allogramma formosa (J.G. Jeffreys, 1882) - (LYONSIELLIDAE)
- aegeensis, Lyonsia aegeensis R. Sturany, 1896 - syn of: Allogramma formosa (J.G. Jeffreys, 1882) - (LYONSIIDAE)
- aegeensis, Bela aegeensis L.A. Reeve, 1844 - syn of: Bela nebula (G. Montagu, 1803) - (MANGELIIDAE)
- aegeensis, Ennucula aegeensis (E. Forbes, 1844) - (NUCULIDAE)
- aegeensis, Jujubinus karpathoensis aegeensis F. Nordsieck, 1982 - (TROCHIDAE)
- Aegeiceras, Genus Aegeiceras Fantini Sestini, 1981 † (GYMNITIDAE) (FOSSIL)
- aegensis, Jujubinus striatus aegensis F. Nordsieck, 1973 - (TROCHIDAE)
- Aegeofusinus, Genus Aegeofusinus Russo, 2017 (FASCIOLARIIDAE)
- aegeum, Fissidentalium aegeum (R.B. Watson, 1879) - (DENTALIIDAE)
- aegialea, Kurtzia aegialea W.H. Dall, 1919 - syn of: Kurtzia granulatissima (O.A.L. Mörch, 1860) - (MANGELIIDAE)
- aegialia, Hypselodoris aegialia L.S.R. Bergh, 1904 - syn of: Felimare agassizii (L.S.R. Bergh, 1894) - (CHROMODORIDIDAE)
- aegialia, Glossodoris aegialia L.S.R. Bergh, 1905 - syn of: Felimare agassizii (L.S.R. Bergh, 1894) - (CHROMODORIDIDAE)
- aegiatilis, Pythia pachyodon aegiatilis H.A. Pilsbry & Y. Hirase, 1908 - (ELLOBIIDAE)
- Aegides, Genus Aegides Jiang, 1980 † (MAIKHANELLIDAE) (FOSSIL)
- aegila, Cernuella aegila É.A.A. Locard, 1897 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- Aegilops, Genus Aegilops Hall, 1850 † (ARCIDA (UNASSIGNED)) (FOSSIL)
- aegilops, Conus aegilops Anderson & Hanna, 1925 † - (CONIDAE) (FOSSIL)
- aegina, Calliclava aegina (W.H. Dall, 1919) - (DRILLIIDAE)
- aegina, Amphioctopus aegina (J.E. Gray, 1849) - (OCTOPODIDAE)
- Aegires, Genus Aegires S.L. Lovén, 1844 (AEGIRIDAE)
- AEGIRETIDAE - syn of Family: AEGIRIDAE
- aegiri, Helluoherpia aegiri C. Handl & T. Büchinger, 1996 - (DONDERSIIDAE)
- AEGIRIDAE P. Fischer, 1883 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-NUDIBRANCHIA [Order]-POLYCEROIDEA [Superfamily])
- Aegirus, syn of: Genus Aegires S.L. Lovén, 1844 (AEGIRIDAE)
- aegis, Acanthohoplites aegis F.M. Anderson, 1938 † - (DESHAYESITIDAE) (FOSSIL)
- aegis, Lucapina aegis (L.A. Reeve, 1850) - (FISSURELLIDAE)
- aegis, Gigantopelta aegis C. Chen, K. Linse & al., 2015 - (PELTOSPIRIDAE)
- aegis, Crassispira aegis W.P. Woodring, 1928 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- Aegista, Genus Aegista J.A. Albers, 1850 (BRADYBAENIDAE)
- Aegistohadra, Genus Aegistohadra M. Wu, 2004 (CAMAENIDAE)
- Aegitellus, Genus Aegitellus Feng & al., 2000 † (HELCIONELLIDAE) (FOSSIL)
- aegle, Helicostyla aegle (W.J. Broderip, 1841) - (BRADYBAENIDAE)
- Aegle, syn of: Genus Pneumoderma A.F.P.M. de Roissy, 1805 (PNEUMODERMATIDAE)
- aegle, Triphora aegle F.P. Jousseaume, 1884 - syn of: Coriophora granosa (W.H. Pease, 1871) - (TRIPHORIDAE)
- aegle, Mastonia aegle F.P. Jousseaume, 1884 - syn of: Coriophora granosa (W.H. Pease, 1871) - (TRIPHORIDAE)
- aegle, Notosinister aegle F.P. Jousseaume, 1884 - syn of: Coriophora granosa (W.H. Pease, 1871) - (TRIPHORIDAE)
- aegle barandae, Helicostyla aegle barandae J.G. Hidalgo, 1887 - syn of: Helicostyla aegle brandae (J.G. Hidalgo, 1887) - (BRADYBAENIDAE)
- aegle brandae, Helicostyla aegle brandae (J.G. Hidalgo, 1887) - (BRADYBAENIDAE)
- aeglees, Calliotropis aeglees (R.B. Watson, 1879) - (CALLIOTROPIDAE)
- aeglees, Niso aeglees K.J. Bush, 1885 - (EULIMIDAE)
- aeglees, Trochus aeglees R.B. Watson, 1879 - syn of: Calliotropis aeglees (R.B. Watson, 1879) - (TROCHIDAE)
- aegleis, Solariella aegleis R.B. Watson, 1879 - (SOLARIELLIDAE)
- aegoceras, Parancyloceras aegoceras (A. von Koenen, 1902 †) - (AEGOCRIOCERATIDAE) (FOSSIL)
- aegoceras, Clymenia aegoceras Frech, 1902 † - syn of: Progonioclymenia aegoceras (Frech, 1902 †) - (CLYMENIIDAE) (FOSSIL)
- aegoceras, Crioceras aegoceras A. von Koenen, 1902 † - syn of: Parancyloceras aegoceras (A. von Koenen, 1902 †) - (CRIOCERATITIDAE) (FOSSIL)
- Aegoceras, Genus Aegoceras Trueman, 1919 † (LIPAROCERATIDAE) (FOSSIL)
- aegoceras, Progonioclymenia aegoceras (Frech, 1902 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- aegoceratoides, Eubrancoceras aegoceratoides Steinmann, 1881 † - (BRANCOCERATIDAE) (FOSSIL)
- aegoceroides, Galaticeras aegoceroides C. Gemmellaro, 1884 † - (LYTOCERATIDAE) (FOSSIL)
- Aegocrioceras, Genus Aegocrioceras Spath, 1924 † (AEGOCRIOCERATIDAE) (FOSSIL)
- AEGOCRIOCERATIDAE Vermeulen, 2006 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ANCYLOCERATINA [Suborder]-PROTANCYLOCERATOIDEA [Superfamily]) (FOSSIL)
- Aegolytoceras, Genus Aegolytoceras Spath, 1924 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Aegophthalmus, syn of: Genus Zonites P.D. Montfort, 1810 (ZONITIDAE)
- Aegopina, syn of: Genus Retinella P. Fischer in R.J. Shuttleworth, 1877 (ZONITIDAE)
- Aegopinella, Genus Aegopinella W.A. Lindholm, 1927 (ZONITIDAE)
- aegopinoides, Helicophanta aegopinoides H. von Maltzan, 1883 - syn of: Oxychilus aegopinoides (H. von Maltzan, 1883) - (ACAVIDAE)
- aegopinoides, Oxychilus aegopinoides (H. von Maltzan, 1883) - (OXYCHILIDAE)
- Aegopis, Genus Aegopis L.I. Fitzinger, 1833 (ZONITIDAE)
- Aegopsina, syn of: Genus Retinella P. Fischer in R.J. Shuttleworth, 1877 (ZONITIDAE)
- aegotis, Plekocheilus aegotis L. Pfeiffer, 1855 - (AMPHIBULIMIDAE)
- aegra, Cancilla aegra (L.A. Reeve, 1845) - (MITRIDAE)
- aegra, Adrana aegra A.A. Olsson, 1964 † - (NUCULANIDAE) (FOSSIL)
- aegrota, Helicostyla aegrota (L.A. Reeve, 1854) - (BRADYBAENIDAE)
- aegrota, Corasia aegrota L.A. Reeve, 1854 - syn of: Helicostyla aegrota (L.A. Reeve, 1854) - (BRADYBAENIDAE)
- aegrota, Metula aegrota (L.A. Reeve, 1845) - (BUCCINIDAE)
- aegrota, Antimitra aegrota L.A. Reeve, 1845 - syn of: Metula aegrota (L.A. Reeve, 1845) - (CLATHURELLIDAE)
- aegrota, Synprosphyma aegrota Hunyadi & Szekeres, 2016 - (CLAUSILIIDAE)
- aegrota, Antimitrella aegrota L.A. Reeve, 1845 - syn of: Metula aegrota (L.A. Reeve, 1845) - (COLUMBELLIDAE)
- aegrota, Purpura aegrota L.A. Reeve, 1846 - syn of: Dicathais orbita aegrota (L.A. Reeve, 1846) - (MURICIDAE)
- aegrota, Dicathais orbita aegrota (L.A. Reeve, 1846) - (MURICIDAE)
- aegrota, Pleurotoma aegrota L.A. Reeve, 1845 - syn of: Metula aegrota (L.A. Reeve, 1845) - (TURRIDAE)
- aegrota, Venus aegrota L.A. Reeve, 1863 - syn of: Antigona lacerata (S.C.T. Hanley, 1845) - (VENERIDAE)
- aegrotum, Ranularia aegrotum L.A. Reeve, 1844 - syn of: Ranularia gallinago (L.A. Reeve, 1844) - (RANELLIDAE)
- aegrotum, Cymatium aegrotum L.A. Reeve, 1844 - syn of: Ranularia gallinago (L.A. Reeve, 1844) - (RANELLIDAE)
- aegrotus, Conus aegrotus L.A. Reeve, 1849 - syn of: Calibanus furvus (L.A. Reeve, 1843) - (CONIDAE)
- aegrotus, Helix aegrotus L.A. Reeve, 1854 - syn of: Helicostyla aegrota (L.A. Reeve, 1854) - (HELICIDAE)
- aegrotus, Ambersites aegrotus (Buckman) † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- aegrum, Gomphoceras aegrum Barrande, 1865 † - syn of: Vespoceras aegrum (Barrande, 1865 †) - (DIESTOCERATIDAE) (FOSSIL)
- aegrum, Vespoceras aegrum (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- aegusina, Papillifera aegusina T.A. de M. Monterosato, 1892 - syn of: Papillifera bidens (C. Linnaeus, 1758) - (CLAUSILIIDAE)
- aegusina, Theba aegusina T.A. de M. Monterosato, 1892 - syn of: Theba pisana (O.F. Müller, 1774) - (HELICIDAE)
- aegypos, Teredo aegypos C.E. von Moll, 1941 - (TEREDINIDAE)
- aegyptia, Teredo aegyptia G.F. Roch, 1935 - syn of: Teredo bartschi W.F. Clapp, 1923 - (TEREDINIDAE)
- aegyptiaca, Barbatia aegyptiaca Fourtau, 1917 † - (ARCIDAE) (FOSSIL)
- aegyptiaca, Cecilioides aegyptiaca (P.M. Pallary, 1909) - (FERUSSACIIDAE)
- aegyptiaca, Mutela aegyptiaca P.M. Pallary, 1924 - syn of: Mutela rostrata (P.C.A.S.L. Rang, 1835) - (IRIDINIDAE)
- aegyptiaca, Eastonia aegyptiaca L.W. Dillwyn, 1817 - syn of: Meropesta nicobarica (J.F. Gmelin, 1791) - (MACTRIDAE)
- aegyptiaca, Mactra aegyptiaca L.W. Dillwyn, 1817 - syn of: Meropesta nicobarica (J.F. Gmelin, 1791) - (MACTRIDAE)
- aegyptiaca, Melanopsis aegyptiaca Blanckenhorn, 1901 † - (MELANOPSIDAE) (FOSSIL)
- aegyptiaca, Nassa aegyptiaca P. Fischer in E. Vassel, 1880 - syn of: Nassarius nitidus (J.G. Jeffreys, 1867) - (NASSARIIDAE)
- aegyptiaca, Pteria aegyptiaca (L.W. Dillwyn, 1817) - (PTERIIDAE)
- aegyptiaca, Kermia aegyptiaca R.N. Kilburn & H. Dekker, 2008 - (RAPHITOMIDAE)
- aegyptiaca, Abra aegyptiaca P.G. Oliver & M. Zuschin, 2000 - (SEMELIDAE)
- aegyptiaca, Tridacna aegyptiaca J.C. Chenu, 1845 - syn of: Tridacna squamosa J.B.P.A. Lamarck, 1819 - (TRIDACNIDAE)
- aegyptiaca, Monodonta aegyptiaca J.B.P.A. Lamarck, 1822 - syn of: Rubritrochus declivis (P. Forsskål in C. Niebuhr, 1775) - (TROCHIDAE)
- aegyptiaca, Coelatura aegyptiaca (F. Cailliaud, 1827) - (UNIONIDAE)
- aegyptiaca, Valvata aegyptiaca W. Innes, 1884 - (VALVATIDAE)
- aegyptiaca, Lyria aegyptiaca Abbass, 1967 † - (VOLUTIDAE) (FOSSIL)
- aegyptiaca chudeaui, Coelatura aegyptiaca chudeaui J. Germain, 1906 - (UNIONIDAE)
- aegyptiaca juliani, Coelatura aegyptiaca juliani P.C.A.S.L. Rang, 1863 - (UNIONIDAE)
- aegyptiaca koehleri, Coelatura aegyptiaca koehleri J. Germain, 1909 - (UNIONIDAE)
- aegyptiaca lacoini, Coelatura aegyptiaca lacoini J. Germain, 1906 - (UNIONIDAE)
- aegyptiaca mandinguorum, Coelatura aegyptiaca mandinguorum A. de Rochebrune, 1882 - (UNIONIDAE)
- aegyptiaca obtusa, Mutelina aegyptiaca obtusa P.M. Pallary, 1924 - syn of: Mutela rostrata (P.C.A.S.L. Rang, 1835) - (IRIDINIDAE)
- aegyptiaca rhynchota, Mutelina aegyptiaca rhynchota P.M. Pallary, 1909 - syn of: Mutela rostrata (P.C.A.S.L. Rang, 1835) - (IRIDINIDAE)
- aegyptiacum, Knemiceras aegyptiacum Mahmoud, 1955 † - (KNEMICERATIDAE) (FOSSIL)
- aegyptiacus, Lithoconus aegyptiacus P. Oppenheim, 1906 † - (CONIDAE) (FOSSIL)
- aegyptica, Ancilla aegyptica P. Oppenheim, 1906 † - (ANCILLARIIDAE) (FOSSIL)
- aegyptica, Polinices aegyptica P.M. Pallary, 1913 - syn of: Neverita josephinia (A. Risso, 1826) - (NATICIDAE)
- aegyptius, Trochus aegyptius J.F. Gmelin, 1791 - syn of: Rubritrochus declivis (P. Forsskål in C. Niebuhr, 1775) - (TROCHIDAE)
- aegyptius, Turbo aegyptius J.F. Gmelin, 1791 - syn of: Rubritrochus declivis (P. Forsskål in C. Niebuhr, 1775) - (TURBINIDAE)
- Aegyptosaepia, Genus Aegyptosaepia Košták & al., 2013 † (BELOSAEPIIDAE) (FOSSIL)
- Aehmospira, syn of: Genus Aechmospira Qiao † (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- Aeidimytilus, syn of: Genus Brachidontes W.J. Swainson, 1840 (MYTILIDAE)
- aelaenoteuthis, syn of: Genus Celaenoteuthis Naef, 1922 † (TEUTHIDA (UNASSIGNED)) (FOSSIL)
- Aelga, Subgenus Periploma (Aelga) Slodkewitsch, 1935 † (PERIPLOMATIDAE) (FOSSIL)
- aelleni, Helicopsis aelleni B. Hausdorf, 1996 - (HYGROMIIDAE)
- aelomitra, Gemmula aelomitra S.W. Tinker, 1952 - syn of: Gemmula monilifera (W.H. Pease, 1860) - (TURRIDAE)
- aembe, Neopleurotomoides aembe R.M.A. Figueira & R.S. Absalão, 2012 - (RAPHITOMIDAE)
- aemilia, Turbonilla aemilia K.H.J. Thiele, 1925 - (PYRAMIDELLIDAE)
- Aemiliella, Subgenus Virpazaria (Aemiliella) E. Gittenberger, 1969 (SPELAEODISCIDAE)
- aemilii, Barleeia aemilii S. Gofas, 1995 - (BARLEEIIDAE)
- aemilii, Tornus aemilii E. Rolán & F. Rubio, 2002 - (TORNIDAE)
- aemula, Aegista aemula G.P.L.K. Gude, 1900 - (BRADYBAENIDAE)
- aemula, Pillomena aemula (R. Tate, 1894) - (CHAROPIDAE)
- aemula, Granopupa aemula E.C. Von Martens, 1872 - syn of: Granopupa granum (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- aemula, Vexillum aemula E.A. Smith, 1879 - syn of: Pusia inerme (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- aemula, Helix aemula L. Pfeiffer, 1852 - syn of: Kosicia ambrosi (P. von Ströbel, 1851) - (HELICIDAE)
- aemula, Mitra aemula E.A. Smith, 1879 - syn of: Pusia inerme (L.A. Reeve, 1845) - (MITRIDAE)
- aemula, Comitas aemula G.F. Angas, 1877 - syn of: Comitas trailli (F.W. Hutton, 1873) - (PSEUDOMELATOMIDAE)
- aemula, Rissoa granulum aemula (J. Granata Grillo, 1877) - (RISSOIDAE)
- aemula, Bankia aemula C.R. Laws, 1944 † - (TEREDINIDAE) (FOSSIL)
- aemula, Gregoia aemula D. Fehse, 2015 - (TRIVIIDAE)
- aemula hadaka, Aegista aemula hadaka H.A. Pilsbry & Y. Hirase, 1904 - (BRADYBAENIDAE)
- aemula shikokuensis, Aegista aemula shikokuensis H.A. Pilsbry, 1902 - (BRADYBAENIDAE)
- aemula subdivesta, Aegista aemula subdivesta H.A. Pilsbry & Y. Hirase, 1904 - (BRADYBAENIDAE)
- aemulans, Grypoceras aemulans Kummel, 1953 † - (TAINOCERATIDAE) (FOSSIL)
- aemulans, Iniforis aemulans (R.B. Hinds, 1843) - (TRIPHORIDAE)
- aemulans, Infundibulum aemulans A. Adams, 1854 - (TROCHIDAE)
- aemulata, Mitrella aemulata E. Rolán, 2005 - (COLUMBELLIDAE)
- aemulator, Amastra aemulator A. Hyatt & H.A. Pilsbry, 1911 - (AMASTRIDAE)
- aemulator, Conus aemulator J. Brown & H.A. Pilsbry, 1911 † - (CONIDAE) (FOSSIL)
- aemulator manzanillaensis, Conus aemulator manzanillaensis W.C. Mansfield, 1925 † - (CONIDAE) (FOSSIL)
- aemulator michoacanensis, Conus aemulator michoacanensis Perrilliat, 1992 † - (CONIDAE) (FOSSIL)
- aemulatrix, Parthenina aemulatrix Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- aemulum, Epidomatoceras aemulum Shimanskiy, 1967 † - (GRYPOCERATIDAE) (FOSSIL)
- aemulus, Varioconus aemulus (L.A. Reeve, 1844) - (CONIDAE)
- aemulus, Donax aemulus E.A. Smith, 1878 † - syn of: Dentilatona lubricus (S.C.T. Hanley, 1845 †) - (DONACIDAE) (FOSSIL)
- aemulus, Trapezotheca aemulus (Holm, 1893 †) - (ORTHOTHECIDAE) (FOSSIL)
- aemulus, Wailiceras aemulus Brayard & Bucher, 2008 † - (PROPTYCHITIDAE) (FOSSIL)
- aemulus hybridus, Conus aemulus hybridus L.C. Kiener, 1845 - syn of: Lautoconus hybridus (L.C. Kiener, 1845) - (CONIDAE)
- Aenator, syn of: Genus Aeneator H.J. Finlay, 1926 (BUCCINIDAE)
- aenea, Pliciphaedusa aenea (H.A. Pilsbry, 1903) - (CLAUSILIIDAE)
- aenea, Patinigera aenea T. Martyn, 1784 - syn of: Nacella deaurata (J.F. Gmelin, 1791) - (NACELLIDAE)
- aenea, Patella aenea T. Martyn, 1784 - syn of: Nacella deaurata (J.F. Gmelin, 1791) - (PATELLIDAE)
- aenea, Abbottella aenea G.T. Watters, 2010 - (POMATIIDAE)
- aenea, Platysuccinea aenea H.A. Pilsbry, 1899 - syn of: Simpulopsis aenea L. Pfeiffer, 1861 - (SAGDIDAE)
- aenea, Simpulopsis aenea L. Pfeiffer, 1861 - (SIMPULOPSIDAE)
- aenea, Strobilops aenea H.A. Pilsbry, 1926 - (STROBILOPSIDAE)
- aenea, Venus aenea W. Turton, 1819 - syn of: Polititapes aureus (J.F. Gmelin, 1791) - (VENERIDAE)
- aenea mexicana, Strobilops aenea mexicana H.A. Pilsbry, 1927 - (STROBILOPSIDAE)
- Aeneator, Genus Aeneator H.J. Finlay, 1926 (BUCCINIDAE)
- aeneolina, Anodonta aeneolina H. Drouët, 1893 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- aeneolus, Pseudodon aeneolus H. Drouët & M.A. Chaper, 1892 - (UNIONIDAE)
- aeneus, Acanthochitona aeneus T.A. de M. Monterosato, 1878 - syn of: Acanthochitona crinita (T. Pennant, 1777) - (ACANTHOCHITONIDAE)
- aeneus, Acanthochites aeneus A. Risso, 1826 - syn of: Acanthochitona discrepans (T. Brown, 1827) - (ACANTHOCHITONIDAE)
- aeneus, Joculator aeneus Cecalupo & Perugia, 2017 - (CERITHIOPSIDAE)
- aeneus, Donax aeneus O.A.L. Mörch, 1853 - syn of: Donax fossor T. Say, 1822 - (DONACIDAE)
- aeneus, Clavus aeneus C. Hedley, 1922 - syn of: Antiguraleus aeneus (C. Hedley, 1922) - (DRILLIIDAE)
- aeneus, Antiguraleus aeneus (C. Hedley, 1922) - (MANGELIIDAE)
- Aenictomya, Genus Aenictomya P.G. Oliver & H.C.G. Chesney, 1997 (CORBULIDAE)
- aenigma, Notoplax aenigma (T. Iredale & A.F.B. Hull, 1925) - (ACANTHOCHITONIDAE)
- aenigma, Deroceras aenigma A.B. Leonard, 1950 † - (AGRIOLIMACIDAE) (FOSSIL)
- aenigma, Pyrgobaicalia aenigma Y.I. Starobogatov, 1972 - (AMNICOLIDAE)
- Aenigma, syn of: Genus Enigmonia T. Iredale, 1918 (ANOMIIDAE)
- aenigma, Costatoaphanaia aenigma (Astafieva, 1989 †) - (ATOMODESMATIDAE) (FOSSIL)
- aenigma, Nesiocypraea aenigma F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- aenigma, Pyrgula aenigma B.M. Logvinenko & Y.I. Starobogatov, 1968 - (HYDROBIIDAE)
- aenigma, Attiliosa aenigma D.G. Herbert & R. Portell, 2002 † - (MURICIDAE) (FOSSIL)
- aenigma, Habuprionovolva aenigma (M. Azuma & C.N. Cate, 1971) - (OVULIDAE)
- aenigma, Prionovolva aenigma M. Azuma & C.N. Cate, 1971 - syn of: Habuprionovolva aenigma (M. Azuma & C.N. Cate, 1971) - (OVULIDAE)
- aenigma, Sibirenauta aenigma (C.A. Westerlund, 1876) - (PHYSIDAE)
- Aenigmabonus, Genus Aenigmabonus L.I. Moskalev, 1978 (BATHYPHYTOPHILIDAE)
- Aenigmastyletus, Genus Aenigmastyletus A.V. Martynov, 1998 (EUBRANCHIDAE)
- aenigmata, Saturnopecten aenigmata (Astafieva, 1994 †) - (CHAENOCARDIIDAE) (FOSSIL)
- aenigmata, Saturnella aenigmata Astafieva, 1994 † - syn of: Saturnopecten aenigmata (Astafieva, 1994 †) - (CHAENOCARDIIDAE) (FOSSIL)
- aenigmatica, Enigmonia aenigmatica (H.S. Holten, 1802) - (ANOMIIDAE)
- aenigmatica, Anomia aenigmatica H.S. Holten, 1802 - syn of: Enigmonia aenigmatica (H.S. Holten, 1802) - (ANOMIIDAE)
- aenigmatica, Pseudochama aenigmatica (W.H. Turton, 1932) - (CHAMIDAE)
- aenigmatica, Oospira aenigmatica E.R. Sykes, 1894 - (CLAUSILIIDAE)
- aenigmatica, Tylotiella aenigmatica F.E. Wells, 1991 - syn of: Clavus aenigmaticus F.E. Wells, 1991 - (DRILLIIDAE)
- aenigmatica, Lottia aenigmatica J.F. Mabille, 1895 - syn of: Lottia discors (R.A. Philippi, 1849) - (LOTTIIDAE)
- aenigmatica, Nassa aenigmatica W.H. Turton, 1932 - syn of: Nassarius vinctus (F.P. Marrat, 1877) - (NASSARIIDAE)
- aenigmatica, Pinna aenigmatica W.H. Turton, 1932 - syn of: Malleus regula (P. Forsskål in C. Niebuhr, 1775) - (PINNIDAE)
- aenigmatica, Knefastia aenigmatica B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- aenigmatica, Aliceia aenigmatica P. Dautzenberg & H. Fischer, 1897 - (RAPHITOMIDAE)
- aenigmatica, Vanikoro aenigmatica W.H. Turton, 1932 - syn of: Macromphalus incertus (W.H. Turton, 1932) - (VANIKORIDAE)
- aenigmaticum, Parabrancoceras aenigmaticum (M. Collignon, 1949 †) - (BRANCOCERATIDAE) (FOSSIL)
- aenigmaticum, Dentalium aenigmaticum H.K. Jordan, 1895 - (DENTALIIDAE)
- aenigmaticum, Gemmellaroceras aenigmaticum (C. Gemmellaro, 1884 †) - (POLYMORPHITIDAE) (FOSSIL)
- aenigmaticum, Annulipulsellum aenigmaticum V. Scarabino & F. Scarabino, 2010 - (PULSELLIDAE)
- aenigmaticus, Aclis aenigmaticus D. Merle in R.E. Petit & al., 2014 † - (ACLIDIDAE) (FOSSIL)
- aenigmaticus, Navanax aenigmaticus (L.S.R. Bergh, 1893) - (AGLAJIDAE)
- aenigmaticus, Belemnites aenigmaticus A.V.M.D. D'Orbigny, 1843 † - (BELEMNITELLIDAE) (FOSSIL)
- aenigmaticus, Clavus aenigmaticus F.E. Wells, 1991 - (DRILLIIDAE)
- aenigmaticus, Aphantites aenigmaticus Ruzhencev & Bogoslovskaya, 1978 † - (RETICULOCERATIDAE) (FOSSIL)
- aenigmaticus, Tapes aenigmaticus Fischer & R. Tournouer, 1874 † - (VENERIDAE) (FOSSIL)
- Aenigmatoceras, Genus Aenigmatoceras Ruzhencev & Bogoslovskaya, 1978 † (CRAVENOCERATIDAE) (FOSSIL)
- Aenigmatoconcha, Genus Aenigmatoconcha C. Tumpeesuwan & S. Tumpeesuwan, 2017 (HELICARIONIDAE)
- Aenigmigulella, Subgenus Gulella (Aenigmigulella) H.A. Pilsbry & T.D.A. Cockerell, 1933 (STREPTAXIDAE)
- Aenigmoconcha, Genus Aenigmoconcha Benedictova, 1950 † (AENIGMOCONCHIDAE) (FOSSIL)
- AENIGMOCONCHIDAE Betekhtina, 1968 † - Family (BIVALVIA-HETERODONTA [Subclass]-ARCHIHETERODONTA [Infraclass]-CARDITIDA [Order]) (FOSSIL)
- Aenigmomphiscola, Genus Aenigmomphiscola N.D. Kruglov & Y.I. Starobogatov, 1981 (LYMNAEIDAE)
- Aenigmomphisicola, Genus Aenigmomphisicola N.D. Kruglov, 1981 (PLANORBIDAE)
- Aenigmotellina, Genus Aenigmotellina A. Matsukuma, 1989 (TELLINIDAE)
- Aenigmula, Genus Aenigmula R.E. Golding, 2014 (TRUNCATELLIDAE)
- aenigmus, Labyrinthus aenigmus (W.L.H. Dohrn, 1875) - (CAMAENIDAE)
- Aenona, Genus Aenona Conrad, 1870 † (TELLINIDAE) (FOSSIL)
- aenone, Pyrgospira aenone W.H. Dall, 1919 - syn of: Pyrgospira obeliscus (L.A. Reeve, 1845) - (PSEUDOMELATOMIDAE)
- aenostoma, Leptaxis aenostoma L. Pfeiffer, 1846 - syn of: Leptaxis chrysomela (L. Pfeiffer, 1848) - (HYGROMIIDAE)
- aeola, Bathybembix aeola (R.B. Watson, 1879) - (CALLIOTROPIDAE)
- aeola, Crepidula aeola W.H. Dall, 1927 - (CALYPTRAEIDAE)
- aeolata, Tindariopsis aeolata (W.H. Dall, 1890) - (BATHYSPINULIDAE)
- aeolata, Malletia aeolata W.H. Dall, 1890 - syn of: Tindariopsis aeolata (W.H. Dall, 1890) - (MALLETIIDAE)
- aeolata, Tindaria aeolata W.H. Dall, 1890 - syn of: Tindariopsis aeolata (W.H. Dall, 1890) - (TINDARIIDAE)
- aeolia, Globidrillia aeolia W.H. Dall, 1919 - syn of: Globidrillia micans (R.B. Hinds, 1843) - (DRILLIIDAE)
- aeoliae, Alvania aeoliae S. Palazzi, 1988 - (RISSOIDAE)
- aeolianus, Limax aeolianus F.L. Giusti, 1973 - (LIMACIDAE)
- aeolicum, Lyrocardium aeolicum (I. von Born, 1778) - (CARDIIDAE)
- aeolicum, Cardium aeolicum J.F. Gmelin, 1791 - syn of: Lyrocardium aeolicum (I. von Born, 1778) - (CARDIIDAE)
- Aeolidia, Genus Aeolidia G.L.C.F.D. Cuvier, 1798 (AEOLIDIIDAE)
- Aeolidiella, Genus Aeolidiella L.S.R. Bergh, 1867 (AEOLIDIIDAE)
- AEOLIDIIDAE Gray, 1827 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-NUDIBRANCHIA [Order]-AEOLIDIOIDEA [Superfamily])
- Aeolidiopsis, syn of: Genus Aeolidia G.L.C.F.D. Cuvier, 1798 (AEOLIDIIDAE)
- Aeolis, syn of: Genus Aeolidia G.L.C.F.D. Cuvier, 1798 (AEOLIDIIDAE)
- aeolomitres, Bittium aeolomitres J.C. Melvill & R. Standen, 1896 - (CERITHIIDAE)
- aeolus, Protetragonites aeolus (A.V.M.D. D'Orbigny 1850 †) - (LYTOCERATIDAE) (FOSSIL)
- aeolus, Sanguinolites aeolus J.W. Hall & R.P. Whitfield 1869 † - (SANGUINOLITIDAE) (FOSSIL)
- Aeora, Genus Aeora Conrad, 1870 † (CARDIIDA (UNASSIGNED)) (FOSSIL)
- aeospila, Epitonium aeospila O.A.L. Mörch, 1875 - syn of: Epitonium novangliae (J.P.Y. Couthouy, 1838) - (EPITONIIDAE)
- aepynota, Cymatosyrinx aepynota (W.H. Dall, 1889) - syn of: Inodrillia aepynota (W.H. Dall, 1889) - (DRILLIIDAE)
- aepynota, Inodrillia aepynota (W.H. Dall, 1889) - (HORAICLAVIDAE)
- aepynota, Bullia aepynota P. Bartsch, 1915 - syn of: Bullia diluta (C.F.F. von Krauss, 1848) - (NASSARIIDAE)
- aepynota, Odostomia aepynota W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- aepynota planicosta, Odostomia aepynota planicosta F.C. Baker, G.D. Hanna & A.M. Strong, 1928 - (PYRAMIDELLIDAE)
- aepynotus, Callistochiton aepynotus W.H. Dall, 1919 - (CALLISTOPLACIDAE)
- aepynotus, Fusinus aepynotus (W.H. Dall, 1889) - (FASCIOLARIIDAE)
- aepynotus, Mopalia aepynotus W.H. Dall, 1919 - syn of: Mopalia sinuata aepynotus W.H. Dall, 1919 - (MOPALIIDAE)
- aepynotus, Mopalia sinuata aepynotus W.H. Dall, 1919 - (MOPALIIDAE)
- Aepystoma, Subgenus Teinostoma (Aepystoma) Woodring, 1957 † (TORNIDAE) (FOSSIL)
- aequa, Oelandiella aequa (Resser, 1939 †) - (HELCIONELLIDAE) (FOSSIL)
- aequa, Cingula aequa (E.A. Smith, 1890) - (RISSOIDAE)
- aequa, Rissoa aequa E.A. Smith, 1890 - syn of: Cingula aequa (E.A. Smith, 1890) - (RISSOIDAE)
- aequabile, Epitonium aequabile Kellum, 1926 † - (EPITONIIDAE) (FOSSIL)
- aequabile, Psiloceras aequabile Buckman † - (PSILOCERATIDAE) (FOSSIL)
- aequabilis, Ammonites aequabilis A.H.E. Beyrich, 1837 † - syn of: Ponticeras aequabilis (A.H.E. Beyrich, 1837 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- aequabilis, Retroterra aequabilis F. Köhler, 2011 - (CAMAENIDAE)
- aequabilis, Falcidens aequabilis L. Salvini-Plawén, 1972 - (CHAETODERMATIDAE)
- aequabilis, Gastrochaena aequabilis C.P. Sluiter, 1890 - syn of: Cucurbitula cymbium (L. Spengler, 1783) - (GASTROCHAENIDAE)
- aequabilis, Multiannulatocyclites aequabilis Farsan, 1994 † - (MULTIANNULATOCYCLITIDAE) (FOSSIL)
- aequabilis, Naricopsina aequabilis Ferrari, 2017 † - (NARICOPSINIDAE) (FOSSIL)
- aequabilis, Ponticeras aequabilis (A.H.E. Beyrich, 1837 †) - (PONTICERATIDAE) (FOSSIL)
- aequabilis, Trivellona aequabilis Fehse, 2017 - (TRIVIIDAE)
- aequacostata, Anshunopecten aequacostata F.B. Howard, 1950 - syn of: Haliris aequacostata (F.B. Howard, 1950) - (PECTINIDA (unassigned))
- aequacostata, Haliris aequacostata (F.B. Howard, 1950) - (VERTICORDIIDAE)
- aequacostata, Trigonulina aequacostata F.B. Howard, 1950 - syn of: Haliris aequacostata (F.B. Howard, 1950) - (VERTICORDIIDAE)
- aequacostata, Verticordia aequacostata F.B. Howard, 1950 - syn of: Haliris aequacostata (F.B. Howard, 1950) - (VERTICORDIIDAE)
- aequale, Actinoceras aequale Flower, 1957 † - (ACTINOCERATIDAE) (FOSSIL)
- aequale, Corculum aequale G.P. Deshayes, 1855 - syn of: Corculum cardissa (C. Linnaeus, 1758) - (CARDIIDAE)
- aequale, Epitonium aequale (K.H.J. Thiele, 1925) - (EPITONIIDAE)
- aequale, Eurydesma aequale Reed, 1936 † - (EURYDESMATIDAE) (FOSSIL)
- aequale, Mandaloceras aequale (C.H. Blake †) - (MANDALOCERATIDAE) (FOSSIL)
- aequale, Phymatoceras aequale Géczy, 1967 † - (PHYMATOCERATIDAE) (FOSSIL)
- aequale, Trochoceras aequale Lochkov † - (RUTOCERATIDAE) (FOSSIL)
- aequale, Saxoceras aequale (C.T. Simpson, 1855 †) - (SCHLOTHEIMIIDAE) (FOSSIL)
- aequalirata, Cerithiella aequalirata D.T. Dockery, 1993 † - (NEWTONIELLIDAE) (FOSSIL)
- aequalis, Proshumardites aequalis Nassichuk, 1975 † - (AGATHICERATIDAE) (FOSSIL)
- aequalis, Cymbularia aequalis E.F.R.K. Koken & J. Perner, 1925 † - (BELLEROPHONTIDAE) (FOSSIL)
- aequalis, Pleurotomoides aequalis J.G. Jeffreys, 1867 - syn of: Raphitoma aequalis (J.G. Jeffreys, 1867) - (CLATHURELLIDAE)
- aequalis, Omphaloptycha aequalis (Stoppani, 1857 †) - (COELOSTYLINIDAE) (FOSSIL)
- aequalis, Eustylus aequalis Böhm, 1895 † - syn of: Trypanostylus konincki Münster, 1841 † - (COELOSTYLINIDAE) (FOSSIL)
- aequalis, Donax aequalis W.M. Gabb, 1873 † - (DONACIDAE) (FOSSIL)
- aequalis, Ovatella aequalis (R.T. Lowe, 1832) - (ELLOBIIDAE)
- aequalis, Liospira aequalis (Salter, 1859 †) - (EOTOMARIIDAE) (FOSSIL)
- aequalis, Potamomya aequalis C.B. Adams, 1852 - syn of: Panamicorbula ventricosa (Adams & L.A. Reeve, 1850) - (ERODONIDAE)
- aequalis, Straparollus aequalis Sowerby, 1815 † - (EUOMPHALIDAE) (FOSSIL)
- aequalis, Lucapinella aequalis (G.B. I Sowerby, 1835) - (FISSURELLIDAE)
- aequalis, Gadila aequalis (W.H. Dall, 1881) - (GADILIDAE)
- aequalis, Holopea aequalis E.F.R.K. Koken & J. Perner, 1925 † - (HOLOPEIDAE) (FOSSIL)
- aequalis, Myrtea aequalis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (LUCINIDAE)
- aequalis, Standella aequalis W.H. Webster, 1905 - syn of: Cyclomactra ovata (J.E. Gray, 1843) - (MACTRIDAE)
- aequalis, Mactromya aequalis A.E.R. Agassiz, 1843 † - (MACTROMYIDAE) (FOSSIL)
- aequalis, Modiolus aequalis J. de C. Sowerby, 1818 † - (MYTILIDAE) (FOSSIL)
- aequalis, Calorhadia aequalis (T.A. Conrad, 1833 †) - (NUCULANIDAE) (FOSSIL)
- aequalis, Nucula aequalis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Nucula thielei H.G. Schenck, 1939 - (NUCULIDAE)
- aequalis, Delonovolva aequalis G.B. II Sowerby, 1832 - syn of: Simnia avena (G.B. II Sowerby, 1832) - (OVULIDAE)
- aequalis, Ovulum aequalis G.B. II Sowerby, 1832 - syn of: Simnia avena (G.B. II Sowerby, 1832) - (OVULIDAE)
- aequalis, Goniobasis aequalis (S.S. Haldeman, 1841) - (PLEUROCERIDAE)
- aequalis, Gari aequalis R. Tate, 1885 - syn of: Gari modesta (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- aequalis, Psammobia aequalis R. Tate, 1885 - syn of: Gari modesta (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- aequalis, Turbonilla aequalis (T. Say, 1826) - (PYRAMIDELLIDAE)
- aequalis, Chemnitzia aequalis auct. non T. Say, 1826 - syn of: Turbonilla hemphilli K.J. Bush, 1899 † - (PYRAMIDELLIDAE)
- aequalis, Raphitoma aequalis (J.G. Jeffreys, 1867) - (RAPHITOMIDAE)
- aequalis, Raphitoma aequalis J.G. Jeffreys, 1867 - syn of: Raphitoma aequalis (J.G. Jeffreys, 1867) - (RAPHITOMIDAE)
- aequalis, Ihungia aequalis C.R. Laws, 1941 † - (RISSOIDAE) (FOSSIL)
- aequalis, Abra aequalis T. Say, 1822 - (SEMELIDAE)
- aequalis, Cyrtospira aequalis E.F.R.K. Koken & J. Perner, 1925 † - (SUBULITIDAE) (FOSSIL)
- aequalis vidleri, Delenovolva aequalis vidleri G.B. III Sowerby, 1881 - syn of: Simnia arcuata (L.A. Reeve, 1865) - (OVULIDAE)
- aequalitas, Anadara aequalitas H.I. Tucker & D. Wilson, 1932 † - (ARCIDAE) (FOSSIL)
- aequalitas, Brevinucula aequalitas K.H. Barnard, 1964 - syn of: Brevinucula verrilli (W.H. Dall, 1886) - (NUCULIDAE)
- aequapaceum, Clinopegma aequapaceum R. Tiba, 1981 - syn of: Clinopegma magnum unicum (H.A. Pilsbry, 1905) - (BUCCINIDAE)
- aequata, Aligena aequata T.A. Conrad, 1843 † - (LASAEIDAE) (FOSSIL)
- aequata, Mya aequata Phillips, 1829 † - (MYIDAE) (FOSSIL)
- aequata, Austrotindaria aequata J. Marwick, 1965 † - (NEILONELLIDAE) (FOSSIL)
- aequata, Cyclas aequata R. Sheppard MS - syn of: Sphaerium rivicola W.E. Leach in J.B.P.A. Lamarck, 1815 - (SPHAERIIDAE)
- aequatorealis, Mortoniceras aequatorealis (Kossmat, 1895 †) - (BRANCOCERATIDAE) (FOSSIL)
- aequatoria, Fustiaria aequatoria H.A. Pilsbry & B. Sharp, 1897 - syn of: Rhabdus aequatorius (H.A. Pilsbry & B. Sharp, 1897) - (FUSTIARIIDAE)
- aequatoriale, Sphaerium aequatoriale S. Clessin, 1879 - (SPHAERIIDAE)
- aequatoriale, Ptychotrema aequatoriale (H.A. Pilsbry, 1919) - (STREPTAXIDAE)
- aequatorialis, Bathyacteon aequatorialis (K.H.J. Thiele, 1925) - (ACTEONIDAE)
- aequatorialis, Pedioceras aequatorialis (von Buch, 1839 †) - (ANCYLOCERATIDAE) (FOSSIL)
- aequatorialis, Torinia aequatorialis K.H.J. Thiele, 1925 - syn of: Pseudotorinia gemmulata (K.H.J. Thiele, 1925) - (ARCHITECTONICIDAE)
- aequatorialis, Anadara aequatorialis (A.V.M.D. D'Orbigny, 1846) - (ARCIDAE)
- aequatorialis, Ceratomyopsis aequatorialis (Muller 1900 †) - (CERATOMYOPSIDAE) (FOSSIL)
- aequatorialis, Cerithiopsis aequatorialis K.H.J. Thiele, 1925 - (CERITHIOPSIDAE)
- aequatorialis, Zafra aequatorialis (K.H.J. Thiele, 1925) - (COLUMBELLIDAE)
- aequatorialis, Crassatella aequatorialis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (CRASSATELLIDAE)
- aequatorialis, Eucrassatella aequatorialis L.J. Cruz, 1980 - syn of: Hybolophus gibbosus (G.B. I Sowerby, 1832) - (CRASSATELLIDAE)
- aequatorialis, Cuspidaria aequatorialis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Protocuspidaria aequatorialis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (CUSPIDARIIDAE)
- aequatorialis, Gibberula aequatorialis (K.H.J. Thiele, 1925) - (CYSTISCIDAE)
- aequatorialis, Cylindriscala aequatorialis (K.H.J. Thiele, 1925) - (EPITONIIDAE)
- aequatorialis, Epitonium aequatorialis K.H.J. Thiele, 1925 - syn of: Cylindriscala aequatorialis (K.H.J. Thiele, 1925) - (EPITONIIDAE)
- aequatorialis, Melanella aequatorialis (K.H.J. Thiele, 1925) - (EULIMIDAE)
- aequatorialis, Cadulus aequatorialis S.G.A. Jaeckel, 1932 - (GADILIDAE)
- aequatorialis, Limatula aequatorialis (K.H.J. Thiele, 1920) - (LIMIDAE)
- aequatorialis, Tinalucina aequatorialis R. von Cosel, 2006 - (LUCINIDAE)
- aequatorialis, Brachidontes aequatorialis A.A. Olsson, 1961 - syn of: Brachidontes semilaevis (K.T. Menke, 1848) - (MYTILIDAE)
- aequatorialis, Neilonella aequatorialis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (NEILONELLIDAE)
- aequatorialis, Ledella aequatorialis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (NUCULANIDAE)
- aequatorialis, Olivancillaria aequatorialis A.A. Olsson, 1931 † - (OLIVIDAE) (FOSSIL)
- aequatorialis, Onykia aequatorialis (K.H.J. Thiele, 1920) - (ONYCHOTEUTHIDAE)
- aequatorialis, Crassostrea aequatorialis D'Orbigny, 1846 - syn of: Crassostrea columbiensis (L.G. Hertlein, 1951) - (OSTREIDAE)
- aequatorialis, Cyclopecten aequatorialis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (PROPEAMUSSIIDAE)
- aequatorialis, Protocuspidaria aequatorialis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (PROTOCUSPIDARIIDAE)
- aequatorialis, Comitas aequatorialis (K.H.J. Thiele, 1925) - (PSEUDOMELATOMIDAE)
- aequatorialis, Leucosyrinx aequatorialis K.H.J. Thiele, 1925 - syn of: Comitas aequatorialis (K.H.J. Thiele, 1925) - (PSEUDOMELATOMIDAE)
- aequatorialis, Eubela aequatorialis K.H.J. Thiele, 1925 - (RAPHITOMIDAE)
- aequatorialis, Roxania aequatorialis K.H.J. Thiele, 1925 - (SCAPHANDRIDAE)
- aequatorialis, Tindaria aequatorialis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Neilonella aequatorialis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (TINDARIIDAE)
- aequatorialis, Circulus aequatorialis (K.H.J. Thiele, 1925) - (TORNIDAE)
- aequatorialis, Triphora aequatorialis K.H.J. Thiele, 1925 - (TRIPHORIDAE)
- aequatorialis palawanica, Comitas aequatorialis palawanica A.W.B. Powell, 1969 - (PSEUDOMELATOMIDAE)
- aequatoriana, Isomeria aequatoriana (J.G. Hidalgo, 1867) - (CAMAENIDAE)
- aequatoriana, Helix aequatoriana J.G. Hidalgo, 1867 - syn of: Isomeria aequatoriana (J.G. Hidalgo, 1867) - (HELICIDAE)
- aequatoriana, Pleurodonte aequatoriana J.G. Hidalgo, 1867 - syn of: Isomeria aequatoriana (J.G. Hidalgo, 1867) - (PLEURODONTIDAE)
- aequatorianus, Drymaeus aequatorianus E.A. Smith, 1877 - (BULIMULIDAE)
- aequatoriense, Vexillum aequatoriense M. Herrmann & G. Stossier, 2011 - (COSTELLARIIDAE)
- aequatoris, Arangia aequatoris (P.M.A. Morelet, 1873) - (UROCOPTIDAE)
- aequatorium, Dentalium aequatorium H.A. Pilsbry & B. Sharp, 1897 - syn of: Rhabdus aequatorius (H.A. Pilsbry & B. Sharp, 1897) - (DENTALIIDAE)
- aequatorius, Scutalus aequatorius L. Pfeiffer, 1855 - (BULIMULIDAE)
- aequatorius, Rhabdus aequatorius (H.A. Pilsbry & B. Sharp, 1897) - (RHABDIDAE)
- aequatorius, Unio aequatorius P.M.A. Morelet, 1885 - syn of: Coelatura gabonensis (H.C. Küster, 1862) - (UNIONIDAE)
- aequatorius minor, Unio aequatorius minor J. Germain, 1907 - syn of: Coelatura gabonensis minor J. Germain, 1907 - (UNIONIDAE)
- aequatus, Eopolita aequatus A. Mousson, 1854 - syn of: Eopolita protensa (A.E.J. Férussac, 1832) - (OXYCHILIDAE)
- aequegyra, Vitrea aequegyra M. Paulucci, 1882 - syn of: Vitrea subrimata (O.W.H. Reinhardt, 1871) - (PRISTILOMATIDAE)
- aequensis, Turris aequensis (J.P.S. Grateloup, 1832 †) - (TURRIDAE) (FOSSIL)
- aequespaceum, Clinopegma chikaoi aequespaceum R. Tiba, 1981 - (BUCCINIDAE)
- aequiaxis, Tylostoma aequiaxis Coquand, 1862 † - (TYLOSTOMATIDAE) (FOSSIL)
- aequibilis, Ortonella aequibilis Llandov La Vieille Fm † - (CYRTODONTIDAE) (FOSSIL)
- aequicincta, Cerithiopsis aequicincta H.H. Suter, 1917 † - (CERITHIOPSIDAE) (FOSSIL)
- aequicincta, Eurytellina aequicincta E.M. Spieker, 1922 † - (TELLINIDAE) (FOSSIL)
- aequicincta, Lamelliconcha aequicincta E.M. Spieker, 1922 † - (VENERIDAE) (FOSSIL)
- aequicingulatus, Tonohamites aequicingulatus (A. von Koenen, 1902 †) - (ANCYLOCERATIDAE) (FOSSIL)
- aequiconcha, Eopterinea aequiconcha Fang & Cope 2004 † - (PTERINEIDAE) (FOSSIL)
- Aequiconus, syn of: Genus Planutenia Elicki, 1994 † (STENOTHECIDAE) (FOSSIL)
- aequicostata, Anadara aequicostata (T.A. Conrad, 1845 †) - (ARCIDAE) (FOSSIL)
- aequicostata, Bostryx aequicostata H.A. Rehder, 1945 - (BULIMULIDAE)
- aequicostata, Bythinella aequicostata H.A. Pilsbry, 1889 - syn of: Tryonia aequicostata (H.A. Pilsbry, 1889) - (BYTHINELLIDAE)
- aequicostata, Tryonia aequicostata (H.A. Pilsbry, 1889) - (COCHLIOPIDAE)
- aequicostata, Natiria aequicostata Batten & A. Stokes, 1986 † - (CRASPEDOSTOMATIDAE) (FOSSIL)
- aequicostata, Orbitestella aequicostata B.K. Raines, 2002 - (ORBITESTELLIDAE)
- aequicostata, Plicatula aequicostata Keeping † - (PLICATULIDAE) (FOSSIL)
- aequicostatum, Hoplocrioceras aequicostatum (A. von Koenen, 1902 †) - (ACRIOCERATIDAE) (FOSSIL)
- aequicostatum, Karsteniceras aequicostatum Vasicek & Hoedemaeker, 2003 † - (LEPTOCERATOIDIDAE) (FOSSIL)
- aequicostatus, Helicancylus aequicostatus (W.M. Gabb, 1864 †) - (ANCYLOCERATIDAE) (FOSSIL)
- aequicostatus, Mulceodens aequicostatus (B. Phillips, 1848 †) - (BRANSONIIDAE) (FOSSIL)
- aequicostatus, Hyalopyrgus aequicostatus H.A. Pilsbry, 1889 - syn of: Tryonia aequicostata (H.A. Pilsbry, 1889) - (COCHLIOPIDAE)
- aequicostatus, Hippocardia aequicostatus B. Phillips, 1848 † - syn of: Mulceodens aequicostatus (B. Phillips, 1848 †) - (HIPPOCARDIIDAE) (FOSSIL)
- aequicostatus, Inoceramus aequicostatus Voronetz, 1937 † - (INOCERAMIDAE) (FOSSIL)
- aequicostatus, Xenodiscus aequicostatus Diener, 1913 † - syn of: Glyptophiceras sinuatum (L. Waagen, 1895 †) - (MEEKOCERATIDAE) (FOSSIL)
- aequicostatus, Pecten aequicostatus F.A. Roemer, 1849 † - syn of: Neithea texana F.A. Roemer, 1849 † - (PECTINIDAE) (FOSSIL)
- aequicostatus, Pileolus aequicostatus A.E.M. Cossmann, 1899 † - (PILEOLIDAE) (FOSSIL)
- aequicostatus, Mytiloceramus aequicostatus Voronetz, 1937 † - syn of: Iniskinites martini (Imlay, 1953 †) - (PTERIIDA (unassigned)) (FOSSIL)
- aequicostatus, Ptychoceras aequicostatus W.M. Gabb, 1864 † - syn of: Helicancylus aequicostatus (W.M. Gabb, 1864 †) - (PTYCHOCERATIDAE) (FOSSIL)
- aequicrescens, Latitaenia aequicrescens (E.F.R.K. Koken, 1897 †) - (GOSSELETINIDAE) (FOSSIL)
- aequidentata, Vertigo aequidentata C. Pollonera, 1885 - syn of: Vertigo antivertigo J.P.R. Draparnaud, 1801 - (VERTIGINIDAE)
- aequiflora, Ellatrivia aequiflora (C.R. Laws, 1941 †) - (TRIVIIDAE) (FOSSIL)
- aequiimpressa, Anomia aequiimpressa A.E.M. Cossmann & M.A. Peyrot, 1921 † - (ANOMIIDAE) (FOSSIL)
- aequilata, Polidevcia aequilata Guskov, 1984 † - (NUCULANIDAE) (FOSSIL)
- aequilatera, Tegillarca aequilatera (R.W. Dunker, 1868) - (ARCIDAE)
- aequilatera, Astarte aequilatera Arkell, 1932 † - (ASTARTIDAE) (FOSSIL)
- aequilatera, Donax aequilatera G.B. I Sowerby, 1825 - syn of: Macridiscus aequilatera (G.B. I Sowerby, 1825) - (DONACIDAE)
- aequilatera, Glycymeris aequilatera J.F. Gmelin, 1791 - syn of: Glycymeris undata (C. Linnaeus, 1758) - (GLYCYMERIDIDAE)
- aequilatera, Spiroraphe aequilatera (Wahlenberg, 1821 †) - (GOSSELETINIDAE) (FOSSIL)
- aequilatera, Lima aequilatera Buvignier, 1852 † - (LIMIDAE) (FOSSIL)
- aequilatera, Crassula aequilatera (L.A. Reeve, 1854) - (MACTRIDAE)
- aequilatera, Mactra aequilatera L.A. Reeve, 1854 - syn of: Crassula aequilatera (L.A. Reeve, 1854) - (MACTRIDAE)
- aequilatera, Mesodesma aequilatera A. Römer, 1862 - syn of: Coecella horsfieldii J.E. Gray, 1853 - (MESODESMATIDAE)
- aequilatera, Coecella aequilatera A. Römer, 1862 - syn of: Coecella horsfieldii J.E. Gray, 1853 - (MESODESMATIDAE)
- aequilatera, Pinna aequilatera Martens, 1880 - syn of: Pinna muricata C. Linnaeus, 1758 - (PINNIDAE)
- aequilatera, Pleurotomaria aequilatera Wahlenberg, 1821 † - syn of: Spiroraphe aequilatera (Wahlenberg, 1821 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- aequilatera, Tellina aequilatera R. Tate, 1887 † - syn of: Tellina ralphi Finlay, 1927 † - (TELLINIDAE) (FOSSIL)
- aequilatera, Macridiscus aequilatera (G.B. I Sowerby, 1825) - (VENERIDAE)
- aequilatera, Anomalocardia aequilatera R.W. Dunker, 1868 - syn of: Tegillarca aequilatera (R.W. Dunker, 1868) - (VENERIDAE)
- aequilatera, Gomphina aequilatera G.B. I Sowerby, 1825 - syn of: Macridiscus aequilatera (G.B. I Sowerby, 1825) - (VENERIDAE)
- aequilateralis, Hercodon aequilateralis Sobetskiy 1982 † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- aequilateralis, Mactra aequilateralis G.P. Deshayes, 1854 - syn of: Crassula aequilatera (L.A. Reeve, 1854) - (MACTRIDAE)
- aequilateralis, Sphenia aequilateralis G.P. Deshayes, 1857 † - (MYIDAE) (FOSSIL)
- aequilateralis, Myadora aequilateralis Johnston, 1880 † - (MYOCHAMIDAE) (FOSSIL)
- aequilateralis, Arcopsis aequilateralis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Verilarca thielei (H.G. Schenck & N.W. Reinhart, 1938) - (NOETIIDAE)
- aequilateralis, Schizodus aequilateralis (McCoy) † - (SCHIZODIDAE) (FOSSIL)
- aequilateralis, Tellinimera aequilateralis (Sobetskiy 1982) † - (TELLINIDAE) (FOSSIL)
- aequilaterminata, Eurytellina aequilaterminata J. Brown & H.A. Pilsbry, 1913 † - syn of: Psammacoma gatunensis costaricensis A.A. Olsson, 1922 † - (TELLINIDAE) (FOSSIL)
- aequilaterum, Stenoloron aequilaterum Wahlenberg, 1821 † - syn of: Spiroraphe aequilatera (Wahlenberg, 1821 †) - (GOSSELETINIDAE) (FOSSIL)
- aequilaterum, Raphistoma aequilaterum E.F.R.K. Koken, 1897 † - syn of: Pararaphistoma qualteriata (von Schlotheim, 1820 †) - (RAPHISTOMATIDAE) (FOSSIL)
- aequilaterus, Helicites aequilaterus Wahlenberg, 1821 † - (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- aequilibritas, Trabecula aequilibritas Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- aequiliratum, Microcardium aequiliratum J. Poutiers, 1981 - (CARDIIDAE)
- aequilobatus, Goniatites aequilobatus Klipstein, 1843 † - (GONIATITIDAE) (FOSSIL)
- aequilonius, Fulgurofusus aequilonius A.V. Sysoev, 2000 - (TURBINELLIDAE)
- aequilorata, Siphonaria aequilorata L.A. Reeve, 1856 - (SIPHONARIIDAE)
- aequimanus, Onychoteuthis aequimanus W.M. Gabb, 1868 - (ONYCHOTEUTHIDAE)
- Aequinoctia, syn of: Genus Macroptychia O. Böttger, 1877 (CLAUSILIIDAE)
- aequinoctiale, Agriopoma aequinoctiale E. Fischer-Piette, 1969 - (VENERIDAE)
- aequinoctialis, Pseudodiala aequinoctialis S. Gofas, 1995 - (BARLEEIIDAE)
- aequinoctialis, Pseudozonaria annettae aequinoctialis (F.A. Schilder, 1933) - (CYPRAEIDAE)
- aequinoctialis, Marginella aequinoctialis F. Boyer & Simbille, 2004 - (MARGINELLIDAE)
- aequinoctialis, Succinea aequinoctialis (A.V.M.D. D'Orbigny, 1837) - (SUCCINEIDAE)
- aequinodosus, Ammonites aequinodosus Klipstein, 1843 † - (AMMONITIDA (UNASSIGNED)) (FOSSIL)
- aequinodum, Douvilleiceras mammillatum aequinodum (Quensted, 1846 †) - (DOUVILLEICERATIDAE) (FOSSIL)
- aequinoxialis, Nereina afra aequinoxialis P.M.A. Morelet, 1848 - (NERITIDAE)
- aequinudum, Temperoceras aequinudum Kröger, 2008 † - (GEISONOCERATIDAE) (FOSSIL)
- aequiondulatum, Protogrammoceras aequiondulatum (E. Bettoni, 1900 †) - (HILDOCERATIDAE) (FOSSIL)
- aequipapillae, Pareledone aequipapillae L. Allcock, 2005 - (OCTOPODIDAE)
- aequipartitus, Conus aequipartitus A.E.M. Cossmann, 1889 † - syn of: Cryptoconus marginatus aequipartitus (A.E.M. Cossmann, 1889 †) - (CONIDAE) (FOSSIL)
- aequipartitus, Cryptoconus marginatus aequipartitus (A.E.M. Cossmann, 1889 †) - (CONIDAE) (FOSSIL)
- Aequipecten, Genus Aequipecten P. Fischer, 1886 (PECTINIDAE)
- Aequipectus, syn of: Genus Aequipecten P. Fischer, 1886 (PECTINIDAE)
- aequiplicata, Nata aequiplicata Herbert & Moussali, 2016 - (RHYTIDIDAE)
- aequiradiata, Scurriopsis aequiradiata (Laube, 1867 †) - (ACMAEIDAE) (FOSSIL)
- aequisculpta, Etremopsis aequisculpta Powell, 1942 † - (CLATHURELLIDAE) (FOSSIL)
- aequisculpta, Rimula aequisculpta W.H. Dall, 1927 - (FISSURELLIDAE)
- aequisculpta, Odostomia aequisculpta P.P. Carpenter, 1864 - (PYRAMIDELLIDAE)
- aequisculpta, Alvania aequisculpta (J. Keep, 1887) - (RISSOIDAE)
- aequisculpta, Manzonia aequisculpta J. Keep, 1887 - syn of: Alvania aequisculpta (J. Keep, 1887) - (RISSOIDAE)
- aequisculpta, Rissoina aequisculpta J. Keep, 1887 - syn of: Alvania aequisculpta (J. Keep, 1887) - (RISSOINIDAE)
- aequisculptum, Calliostoma aequisculptum P.P. Carpenter, 1865 - (CALLIOSTOMATIDAE)
- aequisellatum, Balacheiloceras aequisellatum (Schindewolf, 1923 †) - (CHEILOCERATIDAE) (FOSSIL)
- aequispinnis, Leptochiton aequispinnis J.R.M. Bergenhayn, 1933 - syn of: Leptochiton alveolus (S.L. Lovén, 1846) - (LEPTOCHITONIDAE)
- aequispinus, Lepidozona aequispinus J.R.M. Bergenhayn, 1933 - (ISCHNOCHITONIDAE)
- aequispinus, Leptochiton aequispinus J.R.M. Bergenhayn, 1933 - syn of: Leptochiton alveolus (S.L. Lovén, 1846) - (LEPTOCHITONIDAE)
- Aequispirella, Subgenus Brookula (Aequispirella) H.J. Finlay, 1924 (SEGUENZIOIDEA (UNASSIGNED))
- aequistriata, Juliania aequistriata (H.F.A. von Ihering, 1907 †) - (ARCHITECTONICIDAE) (FOSSIL)
- aequistriata, Galeodea aequistriata G.S. Coen, 1920 - syn of: Galeodea echinophora (C. Linnaeus, 1758) - (CASSIDAE)
- aequistriata, Gracilinenia filocostulata aequistriata W.K. Weyrauch, 1956 - (CLAUSILIIDAE)
- aequistriata, Naticopsis aequistriata (F.B. Meek, 1873 †) - (DELPHINULOPSIDAE) (FOSSIL)
- aequistriata, Splendrillia aequistriata (F.W. Hutton, 1885 †) - (DRILLIIDAE) (FOSSIL)
- aequistriata, Nerrhena aequistriata (Kirchner, 1915 †) - (NERRHENIDAE) (FOSSIL)
- aequistriata, Ochotochlamys aequistriata Aberhan, 1998 † - (PECTINIDAE) (FOSSIL)
- aequistriata, Pleuromya aequistriata A.E.R. Agassiz, 1845 † - (PLEUROMYIDAE) (FOSSIL)
- aequistriata, Serratina aequistriata (T. Say, 1824) - (TELLINIDAE)
- aequistriata, Merisca aequistriata T. Say, 1824 - syn of: Serratina aequistriata (T. Say, 1824) - (TELLINIDAE)
- aequistriata, Turritella aequistriata T.A. Conrad, 1863 † - (TURRITELLIDAE) (FOSSIL)
- aequistriata, Petricola aequistriata G.B. II Sowerby, 1874 - (VENERIDAE)
- aequistriata casamajorensis, Juliania aequistriata casamajorensis Morra & Del Rio, 1987 † - (ARCHITECTONICIDAE) (FOSSIL)
- aequistriatum, Granulolabium thiarella aequistriatum (G.P. Deshayes, 1864 †) - (BATILLARIIDAE) (FOSSIL)
- aequistriatum, Dorsanum aequistriatum G.F. Dollfus, 1889 † - (NASSARIIDAE) (FOSSIL)
- aequistriatus, Jujubinus striatus aequistriatus T.A. de M. Monterosato, 1891 - (TROCHIDAE)
- aequistriatus, Mariacolpus aequistriatus (T.A. Conrad, 1863 †) - (TURRITELLIDAE) (FOSSIL)
- aequisulcata, Mactra aequisulcata G.B. III Sowerby, 1894 - (MACTRIDAE)
- aequisulcata, Notogibbula aequisulcata (Tenison Woods, 1877 †) - (TROCHIDAE) (FOSSIL)
- aequisulcatus, Euphemites aequisulcatus Chronic, 1952 † - (EUPHEMITIDAE) (FOSSIL)
- aequisulcatus, Pecten aequisulcatus P.P. Carpenter, 1864 - syn of: Argopecten ventricosus aequisulcatus (P.P. Carpenter, 1864) - (PECTINIDAE)
- aequisulcatus, Argopecten ventricosus aequisulcatus (P.P. Carpenter, 1864) - (PECTINIDAE)
- aequitorialis, Eucrassatella aequitorialis L.J. Cruz, 1980 - syn of: Hybolophus gibbosus (G.B. I Sowerby, 1832) - (CRASSATELLIDAE)
- aequivalvis, Juliacorbula aequivalvis (R.A. Philippi, 1836) - (CORBULIDAE)
- aequivalvis, Pandora aequivalvis R.A. Philippi, 1836 - syn of: Lyonsia norwegica (J.F. Gmelin, 1791) - (PANDORIDAE)
- aequivalvis, Pseudopecten aequivalvis C.É. Bayle 1878 † - (PECTINIDAE) (FOSSIL)
- Aequivalvis, syn of: Genus Aequipecten P. Fischer, 1886 (PECTINIDAE)
- aequivalvis, Philobrya aequivalvis (N.H. Odhner, 1922) - (PHILOBRYIDAE)
- aequivalvis, Avicula aequivalvis A. Braun, 1841 † - (PTERIIDAE) (FOSSIL)
- aequivalvis, Avicula aequivalvis N.H. Odhner, 1922 - syn of: Philobrya aequivalvis (N.H. Odhner, 1922) - (PTERIIDAE)
- aequivalvus, Lepidozona japonicus aequivalvus J.R.M. Bergenhayn, 1933 - (ISCHNOCHITONIDAE)
- aequivoca, Acroptychia aequivoca (L. Pfeiffer, 1857) - (MEGALOMASTOMIDAE)
- aequivocum, Gafrarium aequivocum (H.S. Holten, 1802) - (VENERIDAE)
- aequivocus, Kalidos aequivocus (G.C. Robson, 1914) - (ARIOPHANTIDAE)
- Aequiyoldia, syn of: Genus Yoldia H.P.C. Møller, 1842 (YOLDIIDAE)
- aequizonata, Lucinoma aequizonata (R.E.C. Stearns, 1890) - (LUCINIDAE)
- aequizonata, Lucina aequizonata R.E.C. Stearns, 1890 - syn of: Lucinoma aequizonata (R.E.C. Stearns, 1890) - (LUCINIDAE)
- aequizonata, Macaliopsis aequizonata H.A. Pilsbry & A.A. Olsson, 1941 † - (TELLINIDAE) (FOSSIL)
- aequor, Argalista aequor C.R. Laws, 1941 † - (COLLONIIDAE) (FOSSIL)
- aequorea, Aplysia aequorea A. Heilprin, 1888 - syn of: Aplysia dactylomela P.C.A.S.L. Rang, 1828 - (APLYSIIDAE)
- aequorea, Costacallista aequorea (T.A. Conrad, 1833 †) - (VENERIDAE) (FOSSIL)
- aequoris, Pectinella aequoris H.H. Dijkstra, 1991 - (ENTOLIIDAE)
- aequum, Kimberleytrachia aequum F. Köhler, 2011 - (CAMAENIDAE)
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