- eudactylota, Hancockia eudactylota P.H. Gosse, 1877 - (HANCOCKIIDAE)
- eudaedalea, Venericardia eudaedalea J.F. Bayan, 1873 † - (CARDITIDAE) (FOSSIL)
- eudaidalus, Phacoides eudaidalus C.J. Maury, 1924 † - (LUCINIDAE) (FOSSIL)
- eudakowi, Helicella eudakowi Skvortsov, 1938 - syn of: Helicopsis striata (O.F. Müller, 1774) - (HYGROMIIDAE)
- Eudaphne, syn of: Genus Daphnella R.B. Hinds, 1844 (RAPHITOMIDAE)
- Eudaphnella, syn of: Genus Daphnella R.B. Hinds, 1844 (RAPHITOMIDAE)
- Eudaronia, Genus Eudaronia B.C. Cotton, 1945 (SEGUENZIOIDEA (UNASSIGNED))
- Eudaudebardia, syn of: Genus Daudebardia Hertmann, 1821 (OXYCHILIDAE)
- eudedalaeus, Mediterranea eudedalaeus J.R. Bourguignat, 1856 - syn of: Mediterranea hydatina (E.A. Rossmässler, 1838) - (OXYCHILIDAE)
- eudeila, Chama eudeila C.J. Maury, 1924 † - (CHAMIDAE) (FOSSIL)
- eudeli, Satsuma bairdi eudeli A. Adams, 1870 - (CAMAENIDAE)
- eudeli, Cancellaria eudeli G.B. III Sowerby, 1893 - syn of: Tribia angasi (J.C.H. Crosse, 1863) - (CANCELLARIIDAE)
- eudeli, Tribia eudeli G.B. III Sowerby, 1893 - syn of: Tribia angasi (J.C.H. Crosse, 1863) - (CANCELLARIIDAE)
- eudeli, Joculator eudeli M. Jay & J. Drivas, 2002 - (CERITHIOPSIDAE)
- eudeli, Nodilittorina eudeli G.B. III Sowerby, 1915 - syn of: Echinolittorina feejeensis (L.A. Reeve, 1857) - (LITTORINIDAE)
- eudeli, Gingicithara eudeli G.B. Sowerby, 1901 - syn of: Gingicithara notabilis (E.A. Smith, 1888) - (MANGELIIDAE)
- eudeli, Plicopurpura eudeli (G.B. III Sowerby, 1903) - (MURICIDAE)
- eudeli, Clithon eudeli (G.B. III Sowerby, 1917 †) - (NERITIDAE) (FOSSIL)
- eudeli, Minolia eudeli G.P. Deshayes, 1863 - (SOLARIELLIDAE)
- eudeli, Pelecyora eudeli (E. Fischer-Piette & D. Delmas, 1967) - (VENERIDAE)
- Eudentalium, Genus Eudentalium H.A. Pilsbry & B. Sharp, 1897 (DENTALIIDAE)
- eudesdeslongchampsi, Dentiterquemia eudesdeslongchampsi Hautmann & Golej, 2004 † - (PROSPONDYLIDAE) (FOSSIL)
- eudesianum, Lytoceras eudesianum (A.V.M.D. D'Orbigny, 1846 †) - (LYTOCERATIDAE) (FOSSIL)
- eudesii, Dicroloma eudesii (L.É.S. Piette, 1864 †) - (APORRHAIDAE) (FOSSIL)
- eudesii, Pterocera eudesii L.É.S. Piette, 1864 † - syn of: Dicroloma eudesii (L.É.S. Piette, 1864 †) - (STROMBIDAE) (FOSSIL)
- Eudiancta, syn of: Genus Diancta E.C. Von Martens, 1867 (DIPLOMMATINIDAE)
- eudianthe, Mitra eudianthe J.C. Melvill, 1895 - syn of: Vexillum modestum (L.A. Reeve, 1845) - (MITRIDAE)
- eudilica, Albinaria munda eudilica (H. von Maltzan, 1884) - (CLAUSILIIDAE)
- eudioptus, Bulimulus eudioptus (H.F.A. von Ihering in H.A. Pilsbry, 1897) - (BULIMULIDAE)
- eudioptus, Protoglyptus eudioptus H.F.A. von Ihering in H.A. Pilsbry, 1897 - syn of: Bulimulus eudioptus (H.F.A. von Ihering in H.A. Pilsbry, 1897) - (ORTHALICIDAE)
- Eudioptus, Subgenus Simpulopsis (Eudioptus) J.A. Albers, 1860 (SIMPULOPSIDAE)
- Eudiopus, syn of: Genus Simpulopsis H.H. Beck, 1837 (SIMPULOPSIDAE)
- Eudiplommatina, syn of: Genus Diplommatina W.H. Benson, 1849 (DIPLOMMATINIDAE)
- Eudiscoceras, Genus Eudiscoceras Meek, 1877 † (CERATITIDA (UNASSIGNED)) (FOSSIL)
- eudiscus, Seminolina eudiscus (H.A. Pilsbry, 1934) - (PLANORBIDAE)
- eudisianum, Lytoceras eudisianum (A.V.M.D. D'Orbigny, 1846 †) - (LYTOCERATIDAE) (FOSSIL)
- Eudissoceras, Genus Eudissoceras Miller & Owen, 1937 † (RECTOCLYMENIIDAE) (FOSSIL)
- Eudistemma, syn of: Subgenus Holospira (Bostrichocentrum) H. Strebel & G.J. Pfeffer, 1880 (UROCOPTIDAE)
- Eudmetoceras, Genus Eudmetoceras Buckman, 1920 † (HAMMATOCERATIDAE) (FOSSIL)
- eudmetum, Eudmetoceras eudmetum Buckman, 1920 † - (HAMMATOCERATIDAE) (FOSSIL)
- Eudoceras, Genus Eudoceras Hyatt, 1884 † (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- eudochila, Abida eudochila J.R. Bourguignat, 1883 - syn of: Abida secale affinis E.A. Rossmässler, 1839 - (CHONDRINIDAE)
- Eudolichotis, Subgenus Plekocheilus (Eudolichotis) H.A. Pilsbry, 1896 (AMPHIBULIMIDAE)
- Eudolium, Genus Eudolium W.H. Dall, 1889 (TONNIDAE)
- Eudontostomus, syn of: Genus Spixia H.A. Pilsbry & E.G. Vanatta, 1898 (ODONTOSTOMIDAE)
- eudora, Natica eudora D'Orbigny, 1850 † - (NATICIDAE) (FOSSIL)
- eudora, Octopus eudora J.E. Gray, 1849 - syn of: Octopus vulgaris G.L.C.F.D. Cuvier, 1797 - (OCTOPODIDAE)
- eudora, Patella eudora T. Iredale, 1940 - syn of: Cellana radiata (I. von Born, 1778) - (PATELLIDAE)
- Eudora, syn of: Genus Tricolia A. Risso, 1826 (PHASIANELLIDAE)
- eudora, Trochomorpha eudora (G.F. Angas, 1869) - (TROCHOMORPHIDAE)
- eudora, Felaniella eudora (G.P. Deshayes, 1857 †) - (UNGULINIDAE) (FOSSIL)
- eudora, Anodonta eudora J.R. Bourguignat, 1887 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- eudoxia, Mexicardia eudoxia W.H. Dall, 1916 - syn of: Mexicardia procerum panamense (G.B. I Sowerby, 1833) - (CARDIIDAE)
- Eudoxochiton, Genus Eudoxochiton R.J. Shuttleworth, 1853 (CALLOCHITONIDAE)
- Eudoxoplax, syn of: Genus Eudoxochiton R.J. Shuttleworth, 1853 (CALLOCHITONIDAE)
- Eudoxoplax, syn of: Genus Eudoxochiton R.J. Shuttleworth, 1853 (CALLOCHITONIDAE)
- eudoxus, Aulacostephanoceras eudoxus (A.V.M.D. D'Orbigny, 1850 †) - (AULACOSTEPHANIDAE) (FOSSIL)
- Eudoxus, syn of: Subgenus Helicostyla (Opalliostyla) H.A. Pilsbry, 1896 (BRADYBAENIDAE)
- Eudrastus, syn of: Genus Peronia J. Fleming, 1822 (ONCHIDIIDAE)
- Euechioceras, Genus Euechioceras Trueman & Williams, 1925 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- eueides, Araiofusus eueides Callomon & Snyder, 2017 - (FASCIOLARIIDAE)
- euekes, Fusinus euekes Callomon & Snyder, 2017 - (FASCIOLARIIDAE)
- euelpis, Chromodoris euelpis L.S.R. Bergh, 1907 - (CHROMODORIDIDAE)
- euengonia, Cryoturris euengonia W.P. Woodring, 1928 † - (MANGELIIDAE) (FOSSIL)
- euetha, Cernuella euetha C. Cafici, 1884 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- euetrios, Cancellaria euetrios K.H. Barnard, 1959 - (CANCELLARIIDAE)
- euetrios, Conus euetrios G.B. III Sowerby, 1882 - syn of: Cylinder textile (C. Linnaeus, 1758) - (CONIDAE)
- Eufalagonia, Genus Eufalagonia M.R. Cooper, 2015 † (PTEROTRIGONIIDAE) (FOSSIL)
- eufalensis, Linotrigonia eufalensis (W.M. Gabb, 1860 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- eufalensis, Aenona eufalensis (T.A. Conrad, 1860 †) - (TELLINIDAE) (FOSSIL)
- eufaulensis, Trachycardium eufaulensis T.A. Conrad, 1860 † - (CARDIIDAE) (FOSSIL)
- eufaulensis, Nemodon eufaulensis (W.M. Gabb, 1860 †) - (PARALLELODONTIDAE) (FOSSIL)
- eufaulensis, Scabrotrigonia eufaulensis (W.M. Gabb, 1860 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- eufaulensis, Aenona eufaulensis (T.A. Conrad, 1860 †) - (TELLINIDAE) (FOSSIL)
- eufaulensis, Trigonia eufaulensis W.M. Gabb, 1860 † - syn of: Scabrotrigonia eufaulensis (W.M. Gabb, 1860 †) - (TRIGONIIDAE) (FOSSIL)
- eufaulensis, Aphrodina eufaulensis (T.A. Conrad, 1860 †) - (VENERIDAE) (FOSSIL)
- eufaulensis gabbi, Scabrotrigonia eufaulensis gabbi (L.W. Stephenson, 1941 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- eufaulensis gabbi, Trigonia eufaulensis gabbi L.W. Stephenson, 1941 † - syn of: Scabrotrigonia eufaulensis gabbi (L.W. Stephenson, 1941 †) - (TRIGONIIDAE) (FOSSIL)
- eufaulensis moorei, Scabrotrigonia eufaulensis moorei (L.W. Stephenson, 1941 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- eufaulensis moorei, Trigonia eufaulensis moorei L.W. Stephenson, 1941 † - syn of: Scabrotrigonia eufaulensis moorei (L.W. Stephenson, 1941 †) - (TRIGONIIDAE) (FOSSIL)
- Eufenella, syn of: Genus Obtortio Hedley, 1899 † (DIASTOMATIDAE) (FOSSIL)
- Euferussacia, syn of: Genus Ferussacia A. Risso, 1826 (FERUSSACIIDAE)
- Eufira, syn of: Genus Iridina Lamarck, 1819 (IRIDINIDAE)
- Eufistulana, Genus Eufistulana F.E. Eames, 1951 (GASTROCHAENIDAE)
- Euflemingites, Genus Euflemingites Spath , 1934 † (FLEMINGITIDAE) (FOSSIL)
- Eufretum, Subgenus Orpiella (Eufretum) F.C. Baker, 1941 (HELICARIONIDAE)
- Eugabrielona, Genus Eugabrielona C.J.S. Hickman & J.H. McLean, 1990 (PHASIANELLIDAE)
- Eugaimardia, Genus Eugaimardia B.C. Cotton, 1931 (CYAMIIDAE)
- euganea, Helix euganea G. Stabile, 1864 - syn of: Faustina illyrica (G. Stabile, 1864) - (HELICIDAE)
- eugastora, Otala eugastora J.R. Bourguignat, 1883 - syn of: Otala punctata (O.F. Müller, 1774) - (HELICIDAE)
- Eugemmula, syn of: Genus Gemmula H.C. Weinkauff, 1875 (TURRIDAE)
- eugena, Odostomia eugena W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- eugenei, Clathropsis eugenei A. Cecalupo & I. Perugia, 2014 - (CERITHIOPSIDAE)
- eugenei, Colubraria eugenei L. Bozzetti & M. Lussi, 1991 - (COLUBRARIIDAE)
- eugenei, Parachiton eugenei (P. Kaas & R.A. Van Belle, 1985) - (LEPTOCHITONIDAE)
- eugenei, Kermia eugenei R.N. Kilburn, 2009 - (RAPHITOMIDAE)
- eugenense, Boreoscala condoni eugenense J.W. Durham, 1937 - (EPITONIIDAE)
- eugenensis, Eosolen eugenensis (Clark, 1925 †) - (SOLENIDAE) (FOSSIL)
- eugenes, Solariorbis eugenes A.A. Olsson & A. Harbison, 1953 † - (TORNIDAE) (FOSSIL)
- eugeni, Eocypraea acuminata eugeni (G.P. Deshayes, 1865 †) - (EOCYPRAEIDAE) (FOSSIL)
- Eugenia, syn of: Genus Papuina E.C. Von Martens, 1860 (CAMAENIDAE)
- eugenia, Paraliospira eugenia (Billings, 1865 †) - (EOTOMARIIDAE) (FOSSIL)
- eugenia, Gymnobela eugenia A.V. Sysoev & D.L. Ivanov, 1985 - (RAPHITOMIDAE)
- eugeniae, Reiflingites eugeniae Arthaber, 1896 † - (BALATONITIDAE) (FOSSIL)
- eugeniae, Gracilinenia eugeniae (W. Polinski, 1921) - (CLAUSILIIDAE)
- eugeniae, Erronea eugeniae C.N. Cate, 1975 - syn of: Erronea xanthodon (J.E. Gray in G.B. I Sowerby, 1832) - (CYPRAEIDAE)
- eugeniae, Murella globularis eugeniae (L. Pfeiffer, 1853) - (HELICIDAE)
- eugeniae, Pyrgula eugeniae (M. von Neumayr in Herbich & M. von Neumayr, 1875 †) - (HYDROBIIDAE) (FOSSIL)
- eugeniae, Panamurex eugeniae E.H. Vokes, 1992 - (MURICIDAE)
- eugeniae, Mipus eugeniae (M. Bernardi, 1853) - (MURICIDAE)
- eugeniae, Elysia eugeniae J.A. Ortea & J. Espinosa, 2002 - (PLAKOBRANCHIDAE)
- eugeniae, Tropidophora eugeniae L.A. Reeve, 1857 - (POMATIIDAE)
- eugeniae, Chrysallida eugeniae A. Peñas & E. Rolán, 1998 - (PYRAMIDELLIDAE)
- eugeniae, Turbonilla eugeniae (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- eugeniae, Valvata eugeniae M. von Neumayr in Herbich & M. von Neumayr, 1875 † - (VALVATIDAE) (FOSSIL)
- eugeniae bifrons, Valvata eugeniae bifrons M. von Neumayr in Herbich & M. von Neumayr, 1875 † - (VALVATIDAE) (FOSSIL)
- eugeniae gibbulaeformis, Valvata eugeniae gibbulaeformis Š. Brusina, 1902 † - (VALVATIDAE) (FOSSIL)
- eugeniarum, Excellichlamys eugeniarum (Eames & Cox 1956) † - (PECTINIDAE) (FOSSIL)
- Eugeniconus, Genus Eugeniconus A.J. Da Motta, 1991 (CONIDAE)
- eugeniforme, Peltoceratoides eugeniforme (W.J. Arkell, 1944 †) - (ASPIDOCERATIDAE) (FOSSIL)
- eugeniforme, Peltomorphites eugeniforme Arkell, 1944 † - syn of: Peltoceratoides eugeniforme (W.J. Arkell, 1944 †) - (ASPIDOCERATIDAE) (FOSSIL)
- eugenii, Peltoceratoides eugenii (Raspail, 1842 †) - (ASPIDOCERATIDAE) (FOSSIL)
- eugenii, Bythinella eugenii E. Jekelius, 1944 † - (BYTHINELLIDAE) (FOSSIL)
- eugenii, Theodoxus eugenii E. Jekelius, 1944 † - (NERITIDAE) (FOSSIL)
- eugenii, Graphis eugenii (G.P. Deshayes, 1861 †) - (TOFANELLIDAE) (FOSSIL)
- eugenii longatolineatus, Theodoxus eugenii longatolineatus Papp, 1953 † - (NERITIDAE) (FOSSIL)
- Eugeomalacus, syn of: Genus Geomalacus G.J. Allman, 1842 (ARIONIDAE)
- eugibba, Katelysia eugibba Z. Zhuang, 1964 - syn of: Marcia hiantina (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- Euglandina, Genus Euglandina P. Fischer & J.C.H. Crosse, 1870 (SPIRAXIDAE)
- Euglesa, syn of: Genus Pisidium L. Pfeiffer, 1821 (SPHAERIIDAE)
- Euglesia, syn of: Genus Pisidium L. Pfeiffer, 1821 (SPHAERIIDAE)
- euglypha, Cassianella euglypha Laube, 1865 † - (CASSIANELLIDAE) (FOSSIL)
- euglypha, Xeromagna euglypha É.A.A. Locard, 1899 - syn of: Xerosecta promissa C.A. Westerlund, 1893 - (HYGROMIIDAE)
- euglypha, Lucina euglypha E.A. Smith, 1915 - (LUCINIDAE)
- euglypha, Mathilda euglypha Laube, 1867 † - syn of: Tricarilda eucycla (Hébert & Eudes-Deslongchamps, 1860 †) - (MATHILDIDAE) (FOSSIL)
- euglyphea, Dictyotomaria euglyphea (Girty, 1909 †) - (GOSSELETINIDAE) (FOSSIL)
- euglyphea, Pleurotomaria euglyphea Girty, 1909 † - syn of: Dictyotomaria euglyphea (Girty, 1909 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- euglyphoides, Discus euglyphoides (Sandberger, 1872) † - (DISCIDAE) (FOSSIL)
- Euglyphostoma, Genus Euglyphostoma W.P. Woodring, 1970 (CLATHURELLIDAE)
- euglyphus, Deshayesites euglyphus T.L. Casey, 1964 † - (DESHAYESITIDAE) (FOSSIL)
- euglyphus, Discus euglyphus (A.E. Reuss in A.E. Reuss & Meyer, 1849 †) - (DISCIDAE) (FOSSIL)
- euglyphus, Glycymeris euglyphus Woods † - (GLYCYMERIDIDAE) (FOSSIL)
- euglyphus, Brachidontes euglyphus Woods, 1922 † - (MYTILIDAE) (FOSSIL)
- euglyphus, Arctoptychites euglyphus (Mojsisovics, 1886 †) - (PTYCHITIDAE) (FOSSIL)
- euglyphus gibbosus, Deshayesites euglyphus gibbosus T.L. Casey, 1964 † - (DESHAYESITIDAE) (FOSSIL)
- euglypta, Acmaea euglypta P. Dautzenberg & H. Fischer, 1897 - syn of: Veleropilina euglypta (P. Dautzenberg & H. Fischer, 1897) - (ACMAEIDAE)
- euglypta, Anatoma euglypta (J.P.L. Pelseneer, 1903) - (ANATOMIDAE)
- euglypta, Glyptorhagada euglypta R. Tate, 1899 - (CAMAENIDAE)
- euglypta, Alcadia euglypta W.J. Clench & C.G. Aguayo, 1950 - (HELICINIDAE)
- euglypta, Mathilda euglypta T. Iredale, 1929 - syn of: Mathilda decorata (C. Hedley, 1903) - (MATHILDIDAE)
- euglypta, Nassa euglypta G.B. III Sowerby, 1914 - syn of: Nassarius euglyptus (G.B. III Sowerby, 1914) - (NASSARIIDAE)
- euglypta, Sigatica euglypta Gardner, 1947 † - (NATICIDAE) (FOSSIL)
- euglypta, Veleropilina euglypta (P. Dautzenberg & H. Fischer, 1897) - (NEOPILINIDAE)
- euglypta, Rokopella euglypta P. Dautzenberg & H. Fischer, 1897 - syn of: Veleropilina euglypta (P. Dautzenberg & H. Fischer, 1897) - (NEOPILINIDAE)
- euglypta, Pinna euglypta L.A. Reeve, 1858 - syn of: Pinna bicolor J.F. Gmelin, 1791 - (PINNIDAE)
- euglypta, Linisia euglypta (H.A. Pilsbry, 1896) - (POLYGYRIDAE)
- euglypta, Annularia euglypta C. de la Torre, 1941 - (POMATIIDAE)
- euglypta, Bermudezia euglypta (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- euglypta, Odostomia euglypta H.K. Jordan, 1920 - (PYRAMIDELLIDAE)
- euglypta, Scissurella euglypta J.P.L. Pelseneer, 1903 - syn of: Anatoma euglypta (J.P.L. Pelseneer, 1903) - (SCISSURELLIDAE)
- euglypta, Tellina euglypta A.A. Gould, 1861 - syn of: Herouvalia caelata (A. Adams, 1854) - (TELLINIDAE)
- euglypta, Elliptotellina euglypta A.A. Gould, 1861 - syn of: Herouvalia caelata (A. Adams, 1854) - (TELLINIDAE)
- euglypta, Paphia euglypta (R.A. Philippi, 1847) - (VENERIDAE)
- euglypta, Leukoma euglypta (G.B. III Sowerby, 1914) - (VENERIDAE)
- euglyptica, Terebra euglyptica E.W. Vredenburg, 1921 † - (TEREBRIDAE) (FOSSIL)
- euglyptum, Calliostoma euglyptum (A. Adams, 1855) - (CALLIOSTOMATIDAE)
- euglyptum, Cardium euglyptum G.B. III Sowerby, 1914 - syn of: Afrocardium richardi (Audoin, 1826) - (CARDIIDAE)
- euglyptus, Nassarius euglyptus (G.B. III Sowerby, 1914) - (NASSARIIDAE)
- euglyptus, Cyclostremiscus euglyptus C.G. Aguayo & P.J. Borro, 1946 - (TORNIDAE)
- euglyptus, Pitar euglyptus C.J. Maury, 1925 † - (VENERIDAE) (FOSSIL)
- euglyta, Annularia euglyta C. de la Torre, 1941 - syn of: Annularia euglypta C. de la Torre, 1941 - (POMATIIDAE)
- eugonia, Serratina eugonia H.H. Suter, 1913 - syn of: Tellina charlottae E.A. Smith, 1885 - (TELLINIDAE)
- eugonia, Tellina eugonia H.H. Suter, 1913 - syn of: Tellina charlottae E.A. Smith, 1885 - (TELLINIDAE)
- eugrammata, Conasprella eugrammata P. Bartsch & H.A. Rehder, 1943 - (CONIDAE)
- eugrammata, Daphnella eugrammata W.H. Dall, 1902 - (RAPHITOMIDAE)
- eugrammatum, Buccinum eugrammatum W.H. Dall, 1907 - (BUCCINIDAE)
- eugrammatus, Pecten eugrammatus W.H. Dall, 1898 † - syn of: Argopecten thetidis (Sowerby, 1850 †) - (PECTINIDAE) (FOSSIL)
- eugrapta, Achatina pfeifferi eugrapta H.A. Pilsbry - (ACHATINIDAE)
- Euguraleus, syn of: Genus Guraleus C. Hedley, 1918 (MANGELIIDAE)
- eugyne, Gyraulus eugyne C. Meier-Brook, 1983 - (PLANORBIDAE)
- Eugyrina, syn of: Genus Ranella J.B.P.A. Lamarck, 1816 (RANELLIDAE)
- eugyrum, Lytoceras eugyrum Mojsisovics, 1873 † - syn of: Mojsvarites eugyrus (Mojsisovics, 1873 †) - (LYTOCERATIDAE) (FOSSIL)
- eugyrum, Syringoceras eugyrum (Mojsisovics, 1873 †) - (SYRINGONAUTILIDAE) (FOSSIL)
- eugyrus, Nautilus eugyrus Mojsisovics, 1873 † - syn of: Syringoceras eugyrum (Mojsisovics, 1873 †) - (NAUTILIDAE) (FOSSIL)
- eugyrus, Mojsvarites eugyrus (Mojsisovics, 1873 †) - (USSURITIDAE) (FOSSIL)
- Euhadra, Genus Euhadra H.A. Pilsbry, 1890 (BRADYBAENIDAE)
- Euhaliotis, syn of: Genus Haliotis C. Linnaeus, 1758 (HALIOTIDAE)
- Euhemihoplites, Genus Euhemihoplites Collignon, 1964 † (LABECERATIDAE) (FOSSIL)
- euholostoma, Reinia euholostoma (H.A. Pilsbry, 1901) - (CLAUSILIIDAE)
- euholostoma kyushuensis, Reinia euholostoma kyushuensis (J.T. Kuroda, 1935) - (CLAUSILIIDAE)
- Euhomaloceras, Genus Euhomaloceras Spath , 1926 † (BACULITIDAE) (FOSSIL)
- Euhoplites, Genus Euhoplites Spath, 1925 † (HOPLITIDAE) (FOSSIL)
- Euhoploceras, Subgenus Sonninia (Euhoploceras) Westermann, 1969 † (SONNINIIDAE) (FOSSIL)
- Euhyalina, syn of: Genus Oxychilus L.I. Fitzinger, 1833 (OXYCHILIDAE)
- Euhyalinia, syn of: Genus Oxychilus L.I. Fitzinger, 1833 (OXYCHILIDAE)
- Euhystrichoceras, Genus Euhystrichoceras Spath , 1923 † (BRANCOCERATIDAE) (FOSSIL)
- Euiberus, syn of: Genus Iberus P.D. Montfort, 1810 (HELICIDAE)
- Euisculites, Genus Euisculites Spath, 1951 † (TROPITIDAE) (FOSSIL)
- Eukashmirites, Genus Eukashmirites Kummel, 1969 (XENOCELTITIDAE) (FOSSIL)
- Eukeraspis, Genus Eukeraspis Lankester , 1870 † (CEPHALASPIDAE) (FOSSIL)
- eukhonikhe, Elaphriella eukhonikhe Vilvens & Williams, 2016 - (SOLARIELLIDAE)
- Eukteanochiton, Genus Eukteanochiton Vendrasco & Runnegar, 2004 † (MATTHEVIIDAE) (FOSSIL)
- eukyrtos, Pelycidion eukyrtos L.D. Stephens & P. Vafiadis, 2013 - (PELYCIDIIDAE)
- Eula, Genus Eula Kadolsky, 1973 † (LITTORINIDAE) (FOSSIL)
- Eulachychiton, Genus Eulachychiton † (NEOLORICATA (UNASSIGNED)) (FOSSIL)
- eulactea, Pugilina eulactea A. Dey, 1961 † - (MELONGENIDAE) (FOSSIL)
- eulaliae, Humboldtiana eulaliae A. Metcalf, 1983 - (HUMBOLDTIANIDAE)
- eulasia, Murella scabriuscula eulasia (C.A. Westerlund, 1889) - (HELICIDAE)
- eulemnisca, Bradybaena eulemnisca T.D.A. Cockerell, 1924 - syn of: Karaftohelix middendorffi (G. Gerstfeldt, 1859) - (BRADYBAENIDAE)
- Eulepetopsis, Genus Eulepetopsis J.H. McLean, 1990 (NEOLEPETOPSIDAE)
- Euleptochiton, Genus Euleptochiton Hoare & Mapes, 1985 † (NEOLORICATA (UNASSIGNED)) (FOSSIL)
- Eulerema, Subgenus Solariorbis (Eulerema) H.A. Pilsbry & A.A. Olsson, 1952 (TORNIDAE)
- Euliginella, syn of: Genus Cystiscus W. Stimpson, 1865 (CYSTISCIDAE)
- Eulima, Genus Eulima A. Risso, 1826 (EULIMIDAE)
- eulima, Raphidiella eulima (R.T. Lowe, 1854) - (FERUSSACIIDAE)
- eulima, Marginella eulima W.H. Dall, 1892 - syn of: Prunum roscidum J.H. Redfield, 1860 - (MARGINELLIDAE)
- eulima, Diatrypesis eulima (R.T. Lowe, 1855) - (METACERITHIIDAE)
- eulima, Striatestea eulima A.W.B. Powell, 1940 - (RISSOIDAE)
- Eulimastoma, Subgenus Odostomia (Eulimastoma) P. Bartsch, 1904 (PYRAMIDELLIDAE)
- Eulimastra, syn of: Genus Melanella T.E. Bowdich, 1822 (EULIMIDAE)
- eulimata, Neptunea eulimata (W.H. Dall, 1907) - (BUCCINIDAE)
- Eulimatta, syn of: Genus Eulima A. Risso, 1826 (EULIMIDAE)
- Eulimaustra, syn of: Genus Melanella T.E. Bowdich, 1822 (EULIMIDAE)
- Eulimax, syn of: Genus Limax C. Linnaeus, 1758 (LIMACIDAE)
- eulimella, Cerithiella eulimella A.W.B. Powell, 1958 - (NEWTONIELLIDAE)
- Eulimella, Genus Eulimella E. Forbes & M' Andrew, 1846 (PYRAMIDELLIDAE)
- eulimelloides, Nodostoma eulimelloides Wood, 1882 † - (PYRAMIDELLIDAE) (FOSSIL)
- eulimelloides, Ptycheulimella eulimelloides (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- eulimellula, Pyrgula eulimellula (W. Dybowski & J.G. Grochmalicki, 1915) - (HYDROBIIDAE)
- Eulimene, Genus Eulimene Wood, 1872 † (LITTORINIDAE) (FOSSIL)
- eulimenes, Pleurotomella eulimenes (J.C. Melvill, 1904) - (RAPHITOMIDAE)
- eulimenes, Daphnella eulimenes J.C. Melvill, 1904 - syn of: Pleurotomella eulimenes (J.C. Melvill, 1904) - (RAPHITOMIDAE)
- Eulimetta, Genus Eulimetta A. Warén, 1992 (EULIMIDAE)
- EULIMIDAE Philippi, 1853 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-VANIKOROIDEA [Superfamily])
- Eulimitoma, syn of: Genus Eulitoma C.F. Laseron, 1955 (EULIMIDAE)
- Eulimitra, syn of: Genus Hemiliostraca H.A. Pilsbry, 1917 (EULIMIDAE)
- Eulimneus, syn of: Genus Lymnaea J.B.P.A. Lamarck, 1801 (LYMNAEIDAE)
- Eulimoda, syn of: Genus Sabinella T.A. de M. Monterosato, 1890 (EULIMIDAE)
- eulimoides, Columbella eulimoides W.H. Turton, 1932 - syn of: Impages apicitincta (G.B. III Sowerby, 1900) - (COLUMBELLIDAE)
- eulimoides, Noerrevangia eulimoides S.C.T. Hanley, 1844 - syn of: Noerrevangia fragilis A. Warén & C.F.C. Schander, 1993 - (CORNIROSTRIDAE)
- eulimoides, Melanella eulimoides (C.B. Adams, 1850) - (EULIMIDAE)
- eulimoides, Nozeba eulimoides (A.E.M. Cossmann, 1888 †) - (IRAVADIIDAE) (FOSSIL)
- eulimoides, Ebala eulimoides M. Fekih, 1969 - (MURCHISONELLIDAE)
- eulimoides, Aphanoptyxis eulimoides (J. Lycett, 1863 †) - (OPISTHOBRANCHIA (UNASSIGNED)) (FOSSIL)
- eulimoides, Brachystomia eulimoides (S.C.T. Hanley, 1844) - (PYRAMIDELLIDAE)
- eulimoides, Eulimella eulimoides (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- eulimoides, Odostomia eulimoides J.G. Jeffreys, 1847 - syn of: Megastomia conoidea (G.B. Brocchi, 1814) - (PYRAMIDELLIDAE)
- eulimoides, Rissoina eulimoides A. Adams, 1854 - (RISSOINIDAE)
- eulimoides alba, Odostomia eulimoides alba J.G. Jeffreys, 1848 - syn of: Brachystomia scalaris (W. Macgillivray, 1843) - (PYRAMIDELLIDAE)
- eulimopsis, Melanopsis eulimopsis Š. Brusina, 1902 † - syn of: Melanopsis pygmaea mucronata Handmann, 1887 † - (MELANOPSIDAE) (FOSSIL)
- Eulimostraca, Genus Eulimostraca P. Bartsch, 1917 (EULIMIDAE)
- eulita, Epitonium eulita (W.H. Dall & C.T. Simpson, 1901) - (EPITONIIDAE)
- Eulithidium, Genus Eulithidium H.A. Pilsbry, 1898 (PHASIANELLIDAE)
- Eulitoma, Genus Eulitoma C.F. Laseron, 1955 (EULIMIDAE)
- eulkaiensis, Platyzona eulkaiensis (Reed, 1927 †) - (GONIASMATIDAE) (FOSSIL)
- eulo, Jardinella eulo W.F. Ponder & K.B. Clark, 1990 - (HYDROBIIDAE)
- euloides, Cadulus euloides J.C. Melvill & R. Standen, 1901 - (GADILIDAE)
- Eulomacoceras, Genus Eulomacoceras Zhao & al., 1978 † (TAINOCERATIDAE) (FOSSIL)
- Eulophoceras, Genus Eulophoceras Hyatt , 1903 † (SPHENODISCIDAE) (FOSSIL)
- Eulopia, syn of: Genus Myrtea W.H. Turton, 1822 (LUCINIDAE)
- Eulota, syn of: Genus Bradybaena H.H. Beck, 1837 (BRADYBAENIDAE)
- Eulotella, syn of: Genus Bradybaena H.H. Beck, 1837 (BRADYBAENIDAE)
- Euloxa, Genus Euloxa Conrad, 1862 † (EULOXIDAE) (FOSSIL)
- EULOXIDAE Gardner, 1943 † - Family (BIVALVIA-HETERODONTA [Subclass]-ARCHIHETERODONTA [Infraclass]-CARDIIDA [Order]) (FOSSIL)
- Euloxoceras, Genus Euloxoceras Miller & al., 1933 † (SPYROCERATIDAE) (FOSSIL)
- eulyratus, Pecten eulyratus Bayer, 1943 - syn of: Antillipecten antillarum (C.A. Récluz, 1853) - (PECTINIDAE)
- eulyratus, Lyropecten eulyratus F.M. Bayer, 1943 - syn of: Antillipecten antillarum (C.A. Récluz, 1853) - (PECTINIDAE)
- eulyratus, Lyropecten eulyratus Bayer, 1943 - syn of: Antillipecten antillarum (C.A. Récluz, 1853) - (PECTINIDAE)
- eulyratus, Bractechlamys eulyratus F.M. Bayer, 1943 - syn of: Antillipecten antillarum (C.A. Récluz, 1853) - (PECTINIDAE)
- Eulytoceras, syn of: Genus Lytoceras Monestier, 1921 † (LYTOCERATIDAE) (FOSSIL)
- Eumarcia, Genus Eumarcia T. Iredale, 1924 (VENERIDAE)
- eumares, Cyclostrema eumares J.C. Melvill, 1904 - (LIOTIIDAE)
- Eumargarita, syn of: Genus Margarites J.E. Gray, 1847 (MARGARITIDAE)
- eumeces, Anadara eumeces W.P. Woodring, 1973 † - (ARCIDAE) (FOSSIL)
- eumeces, Albinaria turrita eumeces (O. Böttger, 1889) - (CLAUSILIIDAE)
- Eumecostylus, Subgenus Placostylus (Eumecostylus) J.A. Albers, 1860 (BOTHRIEMBRYONTIDAE)
- Eumedlicottia, Genus Eumedlicottia Spath , 1934 † (MEDLICOTTIIDAE) (FOSSIL)
- eumegetha, Euphaedusa eumegetha P.B. Schmacker & O. Böttger, 1891 - (CLAUSILIIDAE)
- eumekes, Austropyrgus eumekes A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- eumekes, Siratus eumekes E.H. Vokes, 1989 † - (MURICIDAE) (FOSSIL)
- Eumelania, syn of: Genus Melanoides G.A. Olivier, 1804 (THIARIDAE)
- eumelas, Siphonaria eumelas T. Iredale, 1940 - syn of: Siphonaria laciniosa (C. Linnaeus, 1758) - (SIPHONARIIDAE)
- Eumelus, syn of: Genus Philomycus C.S. Rafinesque, 1820 (PHILOMYCIDAE)
- eumena, Pergamidia eumena Bittner, 1891 † - (PERGAMIDIIDAE) (FOSSIL)
- eumenes, Trishoplita eumenes (C.A. Westerlund, 1883) - (BRADYBAENIDAE)
- eumenes, Pyrgiscus eumenes (J.C. Melvill, 1910) - (PYRAMIDELLIDAE)
- eumenes bipartita, Trishoplita eumenes bipartita H.A. Pilsbry, 1901 - (BRADYBAENIDAE)
- eumenes cretacea, Trishoplita eumenes cretacea G.P.L.K. Gude, 1900 - (BRADYBAENIDAE)
- eumenes decussata, Trishoplita eumenes decussata G.P.L.K. Gude, 1900 - (BRADYBAENIDAE)
- eumenes pergranosa, Trishoplita eumenes pergranosa H.A. Pilsbry & Y. Hirase, 1908 - (BRADYBAENIDAE)
- Eumenis, syn of: Genus Lomanotus J.B. Vérany, 1844 (LOMANOTIDAE)
- eumerista, Eucithara eumerista (J.C. Melvill & R. Standen, 1896) - (MANGELIIDAE)
- Eumeta, syn of: Genus Eumetula K.H.J. Thiele, 1912 (NEWTONIELLIDAE)
- Eumetadrillia, Genus Eumetadrillia W.P. Woodring, 1928 (DRILLIIDAE)
- eumetrum, Cycloscala eumetrum W.P. Woodring, 1928 † - (EPITONIIDAE) (FOSSIL)
- Eumetula, Genus Eumetula K.H.J. Thiele, 1912 (NEWTONIELLIDAE)
- EUMETULIDAE - syn of Family: NEWTONIELLIDAE
- eumicra, Acteocina eumicra (J.C.H. Crosse, 1865) - (ACTEOCINIDAE)
- eumicra, Pomacea eumicra J.C.H. Crosse & P.H. Fischer, 1890 - syn of: Pomacea flagellata (T. Say, 1829) - (AMPULLARIIDAE)
- eumicra, Bulla eumicra J.C.H. Crosse in J.C.H. Crosse & P.H. Fischer, 1865 - syn of: Acteocina eumicra (J.C.H. Crosse, 1865) - (BULLIDAE)
- eumicra, Clausilia eumicra J.R. Bourguignat, 1877 - syn of: Clausilia rugosa parvula A.E.J. Férussac, 1807 - (CLAUSILIIDAE)
- eumicra, Retusa eumicra J.C.H. Crosse in J.C.H. Crosse & P.H. Fischer, 1865 - syn of: Acteocina eumicra (J.C.H. Crosse, 1865) - (RETUSIDAE)
- eumicrum, Carychiella eumicrum (J.R. Bourguignat, 1857 †) - (ELLOBIIDAE) (FOSSIL)
- eumicrum peneckei, Carychiella eumicrum peneckei (K. Flach, 1890 †) - (ELLOBIIDAE) (FOSSIL)
- eumicrum unidentata, Carychiella eumicrum unidentata (Kókay, 2006 †) - (ELLOBIIDAE) (FOSSIL)
- Eumilax, Genus Eumilax O. Böttger, 1881 (LIMACIDAE)
- eumita, Thysanota eumita E.R. Sykes, 1898 - (CHAROPIDAE)
- eumita, Glycymeris eumita C.J. Maury, 1924 † - (GLYCYMERIDIDAE) (FOSSIL)
- Eumitra, Genus Eumitra R. Tate, 1889 (MITRIDAE)
- eumitus, Conus eumitus J.R. le B. Tomlin, 1926 - syn of: Cylinder textile (C. Linnaeus, 1758) - (CONIDAE)
- Eumodiolus, syn of: Genus Modiolus J.B.P.A. Lamarck, 1799 (MYTILIDAE)
- Eumontrouziera, syn of: Genus Montrouzieria S.M. Souverbie in S.M. Souverbie & R.P. Montrouzier, 1863 (SEMELIDAE)
- eumorpha, Volvarina eumorpha (J.C. Melvill, 1906) - (MARGINELLIDAE)
- eumorpha, Lodderia eumorpha (H.H. Suter, 1908) - (SKENEIDAE)
- eumorpha cookiana, Lodderia eumorpha cookiana (R.K. Dell, 1952) - (SKENEIDAE)
- eumorphia, Melanopsis eumorphia J.R. Bourguignat, 1884 - syn of: Melanopsis lampra J.R. Bourguignat, 1884 - (MELANOPSIDAE)
- eumorphia, Anodonta eumorphia J.R. Bourguignat, 1881 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- Eumorphoceras, Genus Eumorphoceras Girty , 1909 † (GIRTYOCERATIDAE) (FOSSIL)
- Eumorphotis, Genus Eumorphotis Bittner, 1901 † (HETEROPECTINIDAE) (FOSSIL)
- eumorphus, Enixotrophon eumorphus (B.A. Marshall & R. Houart, 2011) - (MURICIDAE)
- Eumulleria, syn of: Genus Acostaea A.V.M.D. D'Orbigny, 1851 (ETHERIIDAE)
- eumyarius, Genaxinus eumyarius (M. Sars, 1870 †) - (THYASIRIDAE) (FOSSIL)
- eumyarius, Axinulus eumyarius (M. Sars, 1870 †) - syn of: Genaxinus eumyarius (M. Sars, 1870 †) - (THYASIRIDAE) (FOSSIL)
- Eumytilus, syn of: Genus Mytilus C. Linnaeus, 1758 (MYTILIDAE)
- Eunatica, syn of: Genus Eunaticina P. Fischer, 1885 (NATICIDAE)
- Eunaticina, Genus Eunaticina P. Fischer, 1885 (NATICIDAE)
- Eunema, Genus Eunema Salter, 1859 † (LOPHOSPIRIDAE) (FOSSIL)
- EUNEMOPSIDAE Bandel, 2010 † - Family (GASTROPODA-VETIGASTROPODA [Subclass]-SEGUENZIOIDEA [Superfamily]) (FOSSIL)
- Eunemopsis, Genus Eunemopsis Kittl, 1891 † (EUNEMOPSIDAE) (FOSSIL)
- Eunerinea, Genus Eunerinea Cox, 1949 † (NERINELLIDAE) (FOSSIL)
- Euneritella, syn of: Genus Helicina J.B.P.A. Lamarck, 1799 (HELICINIDAE)
- Eungarion, Genus Eungarion J. Stanisic, 1993 (HELICARIONIDAE)
- eunice, Dosinia eunice A. Adams, 1856 - syn of: Dosinia pubescens (R.A. Philippi, 1847) - (VENERIDAE)
- Euninella, syn of: Genus Turbo C. Linnaeus, 1758 (TURBINIDAE)
- eunoi, Caecum eunoi I. Nofroni, M. Pizzini & M. Oliverio, 1997 - (CAECIDAE)
- Eunucula, syn of: Genus Nuculoma T. Iredale, 1931 (NUCULIDAE)
- euodon, Argna bielzi euodon (C.A. Westerlund, 1887) - (ARGNIDAE)
- Euodontostomus, syn of: Genus Spixia H.A. Pilsbry & E.G. Vanatta, 1898 (ODONTOSTOMIDAE)
- euomphala, Satsuma myomphala euomphala H.A. Pilsbry & Y. Hirase, 1908 - (CAMAENIDAE)
- euomphala, Bajarunia euomphala (Keyserling, 1845 †) - (MEEKOCERATIDAE) (FOSSIL)
- euomphala, Gibbula euomphala (R.A. Philippi, 1836 †) - (TROCHIDAE) (FOSSIL)
- Euomphalia, Genus Euomphalia C.A. Westerlund, 1889 (HYGROMIIDAE)
- EUOMPHALIDAE White, 1877 † - Family (GASTROPODA-EOGASTROPODA [Subclass]-EUOMPHALINA [Order]-EUOMPHALOIDEA [Superfamily]) (FOSSIL)
- euomphalides, Solarium euomphalides d'Archiac & Haime, 1854 † - syn of: Tornia euomphalides (d'Archiac & Haime, 1854 †) - (ARCHITECTONICIDAE) (FOSSIL)
- euomphalides, Tornia euomphalides (d'Archiac & Haime, 1854 †) - (KIRSOCERATIDAE) (FOSSIL)
- EUOMPHALINA (UNASSIGNED) - Family (GASTROPODA-EOGASTROPODA [Subclass]-EUOMPHALINA [Order]) (FOSSIL)
- Euomphaloceras, Genus Euomphaloceras Spath , 1923 † (ACANTHOCERATIDAE) (FOSSIL)
- euomphalodes, Helminthoglypta euomphalodes S.S. Berry, 1938 - (HELMINTHOGLYPTIDAE)
- EUOMPHALOIDEA (UNASSIGNED) - Family (GASTROPODA-EOGASTROPODA [Subclass]-EUOMPHALINA [Order]-EUOMPHALOIDEA [Superfamily]) (FOSSIL)
- euomphaloides, Bicarina euomphaloides (Spitz, 1907 †) - (GOSSELETINIDAE) (FOSSIL)
- euomphaloides, Platyostoma euomphaloides J.W. Hall, 1879 † - (PLATYCERATIDAE) (FOSSIL)
- euomphaloides, Platyceras euomphaloides (McCoy) † - (PLATYCERATIDAE) (FOSSIL)
- euomphaloides, Turbo euomphaloides † - (TURBINIDAE) (FOSSIL)
- Euomphalopsis, Genus Euomphalopsis Ulrich & al., 1931 † (EUOMPHALIDAE) (FOSSIL)
- Euomphalopterus, Genus Euomphalopterus Roemer, 1876 † (EUOMPHALIDAE) (FOSSIL)
- euomphalum, Euomphaloceras euomphalum (Sharpe, 1855 †) - (ACANTHOCERATIDAE) (FOSSIL)
- euomphalus, Cirsostylus euomphalus (F.A. von Quenstedt, 1856 †) - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Euomphalus, syn of: Genus Heliacus D'Orbigny, 1842 (ARCHITECTONICIDAE)
- Euomphalus, Genus Euomphalus Sowerby, 1814 † (EUOMPHALIDAE) (FOSSIL)
- euomphalus, Bicarina euomphalus (F. Sandberger, 1853 †) - (GOSSELETINIDAE) (FOSSIL)
- euomphalus, Arfurtia euomphalus F. Sandberger, 1853 † - syn of: Bicarina euomphalus (F. Sandberger, 1853 †) - (GOSSELETINIDAE) (FOSSIL)
- euomphalus, Graecamnicola euomphalus (A. Fuchs, 1877 †) - (HYDROBIIDAE) (FOSSIL)
- euomphalus, Planorbarius euomphalus J. de C. Sowerby, 1816 † - (PLANORBIDAE) (FOSSIL)
- euomphalus, Polyptychites euomphalus A. von Koenen, 1902 † - syn of: Pseudoeuryptychites pavlovi Voronets, 1962 † - (POLYPTYCHITIDAE) (FOSSIL)
- Euonyma, Genus Euonyma J.C. Melvill & J.H. Ponsonby, 1896 (SUBULINIDAE)
- Euostrea, Subgenus Ostrea (Euostrea) Douvillé, 1920 † (OSTREIDAE) (FOSSIL)
- Euostrea, syn of: Genus Ostrea C. Linnaeus, 1758 (OSTREIDAE)
- Eupachydiscus, Genus Eupachydiscus Spath , 1922 † (PACHYDISCIDAE) (FOSSIL)
- Eupala, Subgenus Bellamya (Eupala) E. Darteville, 1953 (VIVIPARIDAE)
- Eupalaina, syn of: Genus Adelopoma A. Doering, 1884 (DIPLOMMATINIDAE)
- eupalotina, Cernuella eupalotina J.R. Bourguignat in É.A.A. Locard, 1894 - syn of: Cernuella neglecta (J.P.R. Draparnaud, 1805) - (HYGROMIIDAE)
- Eupaludestrina, Subgenus Heleobia (Eupaludestrina) J. Mabille, 1877 (COCHLIOPIDAE)
- Euparmacella, syn of: Genus Parmacella Couvier, 1804 (PARMACELLIDAE)
- Euparthenia, Subgenus Kleinella (Euparthenia) K.H.J. Thiele, 1931 (PYRAMIDELLIDAE)
- euparypha, Clavatula euparypha J. Gardner, 1937 † - (CLAVATULIDAE) (FOSSIL)
- Euparypha, syn of: Genus Theba A. Risso, 1826 (HELICIDAE)
- eupatagonicus, Chlamys eupatagonicus H.F.A. von Ihering, 1907 † - (PECTINIDAE) (FOSSIL)
- eupator, Trochus eupator Laube, 1869 † - syn of: Tylotrochus semipunctatus (A. Braun, 1841 †) - (TROCHIDAE) (FOSSIL)
- Eupatorina, Genus Eupatorina Akhvlediani, 1970 † (CARDIIDAE) (FOSSIL)
- eupatrides, Fissidentalium eupatrides (J.C. Melvill & R. Standen, 1907) - (DENTALIIDAE)
- eupelina, Anodonta eupelina G. Servain, 1885 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- eupellucida, Turbonilla eupellucida S. Nomura, 1937 - (PYRAMIDELLIDAE)
- Eupera, Genus Eupera J.R. Bourguignat, 1854 (SPHAERIIDAE)
- euphacodes, Xerocrassa euphacodes (H. von Maltzan, 1883) - (HYGROMIIDAE)
- Euphaedusa, Genus Euphaedusa O. Böttger, 1877 (CLAUSILIIDAE)
- euphaeus, Hippeutis euphaeus J.R. Bourguignat, 1864 - syn of: Hippeutis complanatus (C. Linnaeus, 1758) - (PLANORBIDAE)
- euphanes, Neodrillia euphanes J.C. Melvill, 1923 - syn of: Buchema interstrigata (Smith, 1882) - (DRILLIIDAE)
- euphanes, Fluxinella euphanes B.A. Marshall, 1991 - (SEGUENZIIDAE)
- Euphemia, syn of: Genus Helicodonta A.E.J. Férussac in A. Risso, 1826 (HELICODONTIDAE)
- Euphemitella, Genus Euphemitella † (BELLEROPHONTIDA (UNASSIGNED)) (FOSSIL)
- Euphemites, Genus Euphemites Warthin, Jr., 1930 † (EUPHEMITIDAE) (FOSSIL)
- EUPHEMITIDAE Knight, 1956 † - Family (GASTROPODA-AMPHIGASTROPODA [Subclass]-BELLEROPHONTIDA [Order]-BELLEROPHONTOIDEA [Superfamily]) (FOSSIL)
- Euphemitopsis, Genus Euphemitopsis Yochelson, 1960 † (EUPHEMITIDAE) (FOSSIL)
- euphemoides, Kokenospira euphemoides Reed, 1921 † - (BUCANIIDAE) (FOSSIL)
- Euphemus, syn of: Genus Euphemites Warthin, Jr., 1930 † (EUPHEMITIDAE) (FOSSIL)
- Euphenax, Genus Euphenax Cox, 1931 † (MALLEIDAE) (FOSSIL)
- Euphira, syn of: Genus Iridina Lamarck, 1819 (IRIDINIDAE)
- euphorca, Cernuella euphorca J.R. Bourguignat, 1864 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- euphorcella, Xerosecta euphorcella (J. Péchaud in J.R. Bourguignat, 1887) - (HYGROMIIDAE)
- euphorcella menzeliana, Xerosecta euphorcella menzeliana (P.M. Pallary, 1920) - (HYGROMIIDAE)
- euphorcella youssiana, Xerosecta euphorcella youssiana (P.M. Pallary, 1927) - (HYGROMIIDAE)
- Euphrata, syn of: Genus Anodonta J.B.P.A. Lamarck, 1799 (UNIONIDAE)
- euphratensis, Praehyalocylis euphratensis M.A. Avnimelech, 1945 - syn of: Hyalocylis striata (P.C.A.S.L. Rang, 1828) - (CAVOLINIIDAE)
- euphratica, Lymnaea euphratica (A. Mousson, 1874) - (LYMNAEIDAE)
- euphratica, Neritina euphratica A. Mousson, 1874 - (NERITIDAE)
- euphratica, Sphaerium euphratica J.B.P.A. Lamarck, 1806 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (SPHAERIIDAE)
- euphratica, Pseudodontopsis euphratica (J.R. Bourguignat, 1852) - (UNIONIDAE)
- euphraticus, Gyraulus euphraticus (A. Mousson, 1874) - (PLANORBIDAE)
- euphraticus, Pupoides euphraticus J.R. Bourguignat, 1876 - syn of: Pupoides coenopictus (F.W. Hutton, 1834) - (PUPILLIDAE)
- euphrosina, Lolidona euphrosina A. Risso, 1854 - syn of: Histioteuthis bonnellii (A.E.J. Férussac, 1835) - (HISTIOTEUTHIDAE)
- euphrosinae, Melanopsis euphrosinae (Cobalcescu, 1883 †) - (MELANOPSIDAE) (FOSSIL)
- euphrosine, Alvania euphrosine C. De Stefani & D. Pantanelli in C. De Stefani, 1888 † - (RISSOIDAE) (FOSSIL)
- euphrosyne, Chloritis euphrosyne (E.A. Smith, 1895) - (CAMAENIDAE)
- euphrosyne, Helix euphrosyne E.A. Smith, 1895 - syn of: Chloritis euphrosyne (E.A. Smith, 1895) - (HELICIDAE)
- euphrosyne, Charitodoron euphrosyne J.R. le B. Tomlin, 1932 - syn of: Charitodoron barbara (K.H.J. Thiele, 1925) - (MITRIDAE)
- euphrosyne, Daphnella euphrosyne J.C. Melvill & R. Standen, 1903 - (RAPHITOMIDAE)
- Euphurus, syn of: Genus Limacia O.F. Müller, 1781 (POLYCERIDAE)
- Euphyllites, Genus Euphyllites Wahner , 1898 † (PSILOCERATIDAE) (FOSSIL)
- Euphylloceras, syn of: Genus Hypophylloceras Salfeld , 1924 † (PHYLLOCERATIDAE) (FOSSIL)
- Euphyllon, syn of: Genus Chicoreus P.D. Montfort, 1810 (MURICIDAE)
- euphyllum, Tatrophylloceras euphyllum (M. von Neumayr, 1871 †) - (PHYLLOCERATIDAE) (FOSSIL)
- euphymus, Unio euphymus Charmes, 1885 - syn of: Coelatura ratidota (Charmes, 1885) - (UNIONIDAE)
- Eupinacoceras, Genus Eupinacoceras Spath, 1951 † (PINACOCERATIDAE) (FOSSIL)
- Eupisidium, syn of: Genus Pisidium L. Pfeiffer, 1821 (SPHAERIIDAE)
- Euplaciphora, syn of: Genus Placiphorella W.H. Dall, 1879 (MOPALIIDAE)
- Euplacophora, syn of: Genus Placiphorella W.H. Dall, 1879 (MOPALIIDAE)
- Euplacostylus, Subgenus Placostylus (Euplacostylus) J.C.H. Crosse, 1875 (BOTHRIEMBRYONTIDAE)
- euplaeae, Callochiton euplaeae O.G. Costa, 1829 - syn of: Callochiton septemvalvis euplaeae (O.G. Costa, 1829) - (CALLOCHITONIDAE)
- euplaeae, Callochiton septemvalvis euplaeae (O.G. Costa, 1829) - (CALLOCHITONIDAE)
- euplaeae, Chiton euplaeae A. da Costa, 1830 - syn of: Callochiton septemvalvis (G. Montagu, 1803) - (CHITONIDAE)
- Euplaxiphora, syn of: Genus Plaxiphora J.E. Gray, 1847 (MOPALIIDAE)
- Euplecta, Genus Euplecta J.O. Semper, 1870 (ARIOPHANTIDAE)
- Euplectella, syn of: Subgenus Ariophanta (Celectella) Schileyko, 2002 (ARIOPHANTIDAE)
- eupleura, Phaedusa eupleura (A.R.J.B. Bavay & P. Dautzenberg, 1899) - (CLAUSILIIDAE)
- Eupleura, Genus Eupleura H. Adams & A. Adams, 1853 (MURICIDAE)
- Eupleuroceras, Genus Eupleuroceras Miller & Cline, 1934 † (EUPLEUROCERATIDAE) (FOSSIL)
- EUPLEUROCERATIDAE Ruzhencev, 1957 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-NEOICOCERATOIDEA [Superfamily]) (FOSSIL)
- eupleurum, Cochlostoma eupleurum C.A. Westerlund, 1885 - syn of: Cochlostoma affine (L. Benoit, 1875) - (COCHLOSTOMATIDAE)
- Euplica, Genus Euplica W.H. Dall, 1889 (COLUMBELLIDAE)
- Euplocalamus, syn of: Genus Kaloplocamus L.S.R. Bergh, 1892 (POLYCERIDAE)
- Euplocamus, syn of: Genus Kaloplocamus L.S.R. Bergh, 1892 (POLYCERIDAE)
- eupoecila, Eucithara eupoecila R.P.J. Hervier, 1897 - syn of: Eucithara coronata (R.B. Hinds, 1843) - (MANGELIIDAE)
- eupoietum, Cyclostrema eupoietum J.C. Melvill, 1904 - (LIOTIIDAE)
- Eupoleme, syn of: Genus Lepton W.H. Turton, 1822 (LASAEIDAE)
- Eupomatias, Subgenus Cochlostoma (Eupomatias) A.J. Wagner, 1897 (COCHLOSTOMATIDAE)
- Eupomatias, syn of: Genus Cochlostoma G. Jan, 1830 (COCHLOSTOMATIDAE)
- Eupomatias, syn of: Genus Nodopomatias G.P.L.K. Gude, 1921 (PUPINIDAE)
- eupontica, Eucrassatella eupontica T.A. Darragh, 1965 † - (CRASSATELLIDAE) (FOSSIL)
- eupora, Chondrina eupora C.A. Westerlund, 1887 - syn of: Chondrina avenacea (J.G. Bruguière, 1792) - (CHONDRINIDAE)
- eupora, Drillia eupora W.H. Dall, 1915 † - syn of: Hindsiclava eupora (W.H. Dall, 1915 †) - (DRILLIIDAE) (FOSSIL)
- eupora, Hindsiclava eupora (W.H. Dall, 1915 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- euprepes, Pseudotorinia euprepes W.P. Woodring, 1928 † - (ARCHITECTONICIDAE) (FOSSIL)
- euprepes, Armenica euprepes H.E.J. Biggs, 1936 - (CLAUSILIIDAE)
- euprepes transmontana, Armenica euprepes transmontana E. Neubert & H.P.M.G. Menkhorst, 1994 - (CLAUSILIIDAE)
- Euprionoceras, Subgenus Amoeboceras (Euprionoceras) von Buch, 1831 † (CARDIOCERATIDAE) (FOSSIL)
- Euprotomus, Genus Euprotomus T.N. Gill, 1870 (STROMBIDAE)
- Euprymna, Genus Euprymna J.J.S. Steenstrup, 1887 (SEPIOLIDAE)
- Eupsadara, syn of: Genus Psadara K. Miller, 1878 (PLEURODONTIDAE)
- Euptera, Genus Euptera Dartevelle, Freneix & Sornay, 1957 † (PTERIIDA (UNASSIGNED)) (FOSSIL)
- Eupterotrachea, syn of: Genus Pterotrachea P. Forsskål, 1775 (PTEROTRACHEIDAE)
- euptychia, Alinda biplicata euptychia (P. Ehrmann, 1960) - (CLAUSILIIDAE)
- Euptychia, syn of: Genus Acroptychia J.C.H. Crosse & P. Fischer, 1877 (MEGALOMASTOMIDAE)
- Euptychoceras, Genus Euptychoceras Breistroffer, 1952 † (BOCHIANITIDAE) (FOSSIL)
- euptyx, Thaumatoptyx euptyx H. Nordsieck, 2003 - (CLAUSILIIDAE)
- eupunctata, Triphora eupunctata G.B. III Sowerby, 1876 - syn of: Triphora taeniolata R.P.J. Hervier, 1898 - (TRIPHORIDAE)
- Eupupina, syn of: Subgenus Pupina (Tylotoechus) W. Kobelt & O.F. von Möllendorff, 1897 (PUPINIDAE)
- eupyga, Chione eupyga H.F.A. von Ihering, 1907 † - (VENERIDAE) (FOSSIL)
- eupygus, Unio eupygus J. Da Silva e Castro, 1885 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- eurabdolena, Helix eurabdolena J.F. Mabille, 1883 - syn of: Cryptaxis groviana (A.E.J. Férussac, 1823) - (HELICIDAE)
- euracantha, Angaria euracantha A. Adams, 1850 - syn of: Angaria delphinus (C. Linnaeus, 1758) - (ANGARIIDAE)
- euracantha, Spinidrupa euracantha (Adams, 1853) - (MURICIDAE)
- Eurasenia, Subgenus Rasenia (Eurasenia) Geyer, 1961 † (AULACOSTEPHANIDAE) (FOSSIL)
- eurasiaticus, Pseudohollandites eurasiaticus Krystyn & Tatzreiter, 1991 † - (BEYRICHITIDAE) (FOSSIL)
- eurasiaticus, Gyraulus eurasiaticus L.A. Prozorova & Y.I. Starobogatov, 1996 - (PLANORBIDAE)
- Eurastele, Subgenus Astele (Eurastele) G.S. Coen, 1946 (CALLIOSTOMATIDAE)
- Eurathea, Genus Eurathea C.F. Laseron, 1959 (PYRAMIDELLIDAE)
- eureka, Albinaria haessleini eureka E. Gittenberger, 1994 - (CLAUSILIIDAE)
- eureka, Muusoctopus eureka (C.W. Robson, 1929) - (ENTEROCTOPODIDAE)
- eureka, Enteroctopus eureka C.W. Robson, 1929 - syn of: Muusoctopus eureka (C.W. Robson, 1929) - (ENTEROCTOPODIDAE)
- eureka, Takahashiceras eureka (E. Matsumoto, 1984 †) - (LYTOCERATIDAE) (FOSSIL)
- eureka, Takahashia eureka E. Matsumoto, 1984 † - syn of: Takahashiceras eureka (E. Matsumoto, 1984 †) - (LYTOCERATIDAE) (FOSSIL)
- eurekae, Merriamites eurekae (Blodgett & Johnson, 1992 †) - (PTEROTHECIDAE) (FOSSIL)
- Eurekapegma, Genus Eurekapegma MacKinnon, 1985 † (STENOTHECIDAE) (FOSSIL)
- eurekensis, Euomphalus eurekensis Walcott, 1884 † - (EUOMPHALIDAE) (FOSSIL)
- eurekensis, Oreohelix eurekensis J. Henderson & L.E. Daniels, 1916 - (OREOHELICIDAE)
- Eurhomalea, Genus Eurhomalea A.E.M. Cossmann, 1920 (VENERIDAE)
- eurhynchus, Diplodon expansus eurhynchus (H.C. Küster, 1861) - (HYRIIDAE)
- eurhynchus, Unio eurhynchus H.C. Küster, 1861 - syn of: Diplodon expansus eurhynchus (H.C. Küster, 1861) - (UNIONIDAE)
- Eurhytida, syn of: Genus Rhytida J.A. Albers, 1860 (RHYTIDIDAE)
- euribia, Astyris euribia W.H. Dall, 1927 - (COLUMBELLIDAE)
- Euribia, syn of: Genus Hydromyles J. von Gistel, 1848 (HYDROMYLIDAE)
- euribrocha, Pleurotoma euribrocha P. Dautzenberg & Ficher, 1896 - syn of: Pleurotomella eurybrocha (P. Dautzenberg & H. Fischer, 1896) - (TURRIDAE)
- Euriclanculus, Subgenus Clanculus (Euriclanculus) B.C. Cotton & F.C. Godfrey, 1934 (TROCHIDAE)
- eurina, Comitas eurina (E.A. Smith, 1899) - (PSEUDOMELATOMIDAE)
- eurina, Pupilla eurina (W.H. Benson, 1864) - (PUPILLIDAE)
- eurinus, Boesites eurinus Leonova, 1992 † - (DARAELITIDAE) (FOSSIL)
- eurinus, Tumulites eurinus Ruzhentsev & Bogoslovskaya, 1971 † - (GIRTYOCERATIDAE) (FOSSIL)
- eurinus, Parashumardites eurinus Ruzhentsev, 1950 † - (PARASHUMARDITIDAE) (FOSSIL)
- euripes, Temnocinclis euripes McLean, 1989 - (SUTILIZONIDAE)
- euriptychoides, Russanovia euriptychoides Klimova, 1984 † - (POLYPTYCHITIDAE) (FOSSIL)
- Eurissolina, Subgenus Rissoina (Eurissolina) Woodring, 1928 † (RISSOIDAE) (FOSSIL)
- Eurissolina, syn of: Genus Rissoina D'Orbigny, 1840 (RISSOINIDAE)
- euristenus, Latirulus euristenus G.D. Nardo, 1847 - syn of: Turrilatirus craticulatus (C. Linnaeus, 1758) - (FASCIOLARIIDAE)
- euristoma, Valvata euristoma Š. Brusina, 1902 † - (VALVATIDAE) (FOSSIL)
- Eurites, Genus Eurites Kusina , 1973 † (MUENSTEROCERATIDAE) (FOSSIL)
- euroa, Amplirhagada euroa F. Köhler, 2010 - (CAMAENIDAE)
- eurocapillaria, Dictyotomaria eurocapillaria Amler & Heidelberger, 2003 † - (GOSSELETINIDAE) (FOSSIL)
- Euroceras, Genus Euroceras Ruzhentsev & Bogoslovskaya, 1971 † (STENOGLAPHYRITIDAE) (FOSSIL)
- Euromus, syn of: Genus Peracle E. Forbes, 1844 (PERACLIDAE)
- euronia, Strigilla euronia C. Hedley, 1908 - (TELLINIDAE)
- europa, Ostrea europa J.H. Orton, 1928 - syn of: Ostrea edulis C. Linnaeus, 1758 - (OSTREIDAE)
- europae, Zelandites europae Wright & J. Kennedy, 1984 † - (GAUDRYCERATIDAE) (FOSSIL)
- europae, Anodontites europae C.T. Simpson, 1900 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (MYCETOPODIDAE)
- europaea, Cypraea europaea G. Montagu, 1808 - syn of: Trivia monacha (da Costa, 1778) - (CYPRAEIDAE)
- europaea, Cypraea europaea P.D. Montfort, 1808 - syn of: Trivia monacha (da Costa, 1778) - (CYPRAEIDAE)
- europaea, Palaina europaea L. von G. Tausch, 1886 † - (DIPLOMMATINIDAE) (FOSSIL)
- europaea, Crassitoniella europaea P. Lozouet, 1998 † - (EATONIELLIDAE) (FOSSIL)
- europaea, Aenigmomphiscola europaea N.D. Kruglov & Y.I. Starobogatov, 1981 - (LYMNAEIDAE)
- europaea, Paranannites europaea Arthaber, 1911 † - syn of: Arnautoceltites mediterraneus (Arthaber, 1911 †) - (MELAGATHICERATIDAE) (FOSSIL)
- europaea, Nassaria europaea P. Lozouet, 2015 - (NASSARIIDAE)
- europaea, Ensis europaea W.J. Swainson, 1840 - syn of: Ensis ensis (C. Linnaeus, 1758) - (PHARIDAE)
- europaea, Aenigmomphisicola europaea N.D. Kruglov & Y.I. Starobogatov, 1981 - (PLANORBIDAE)
- europaea, Roboastra europaea J.C. García-Gómez, 1985 - (POLYCERIDAE)
- europaea, Alvania europaea A. Risso, 1826 - syn of: Alvania cimex (C. Linnaeus, 1758) - (RISSOIDAE)
- europaea, Testacella europaea A.F.P.M. de Roissy, 1805 - syn of: Testacella haliotidea J.P.R. Draparnaud, 1801 - (TESTACELLIDAE)
- europaea, Trivia europaea A. Risso, 1826 - syn of: Trivia arctica (R. Pulteney, 1799) - (TRIVIIDAE)
- europaea, Trivia europaea G. Montagu, 1808 - syn of: Trivia monacha (da Costa, 1778) - (TRIVIIDAE)
- europaea minor, Cypraea europaea minor W.B. Marshall, 1893 - syn of: Trivia arctica (R. Pulteney, 1799) - (CYPRAEIDAE)
- europaea tripunctata, Cypraea europaea tripunctata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1883 - syn of: Trivia monacha (da Costa, 1778) - (CYPRAEIDAE)
- europaea tripunctata, Trivia europaea tripunctata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1883 - syn of: Trivia monacha (da Costa, 1778) - (TRIVIIDAE)
- europaeum, Cerithium vulgatum europaeum C. Mayer, 1878 † - (CERITHIIDAE) (FOSSIL)
- europaeus, Subcolumbites europaeus (Arthaber, 1908 †) - (COLUMBITIDAE) (FOSSIL)
- europaeus, Dendronotus europaeus Korshunova, Martynov, Bakken & Picton, 2017 - (DENDRONOTIDAE)
- europaeus, Glaphyrites europaeus Kullmann, 1962 † - (GLAPHYRITIDAE) (FOSSIL)
- europaeus, Eoasianites europaeus Ruzhencev 1933 † - (NEOICOCERATIDAE) (FOSSIL)
- europaeusperrinismithi, Columbites europaeusperrinismithi Renz & Renz, 1948 † - syn of: Subcolumbites perrinismithi (Arthaber, 1908 †) - (COLUMBITIDAE) (FOSSIL)
- europea, Modiola europea H.C. Weinkauff, 1868 - syn of: Musculus subpictus (F.J. Cantraine, 1835) - (MYTILIDAE)
- europea, Alvania europea A. Risso, 1826 - syn of: Alvania cimex (C. Linnaeus, 1758) - (RISSOIDAE)
- europeum, Cardium europeum W.J. Swainson, 1840 - syn of: Laevicardium crassum (J.F. Gmelin, 1791) - (CARDIIDAE)
- Europhos, Genus Europhos Landau, Harzhauser, Islamoglu & Silva, 2014 † (NASSARIIDAE) (FOSSIL)
- Europicardium, Genus Europicardium A.M. Popov, 1977 (CARDIIDAE)
- Europisidium, syn of: Genus Pisidium L. Pfeiffer, 1821 (SPHAERIIDAE)
- europisthus, Tellina europisthus K.H. Barnard, 1964 - syn of: Cadella semen (S.C.T. Hanley, 1845) - (TELLINIDAE)
- Europrotomus, Genus Europrotomus Kronenberg & Harzhauser, 2012 † (STROMBIDAE) (FOSSIL)
- euros, Cerithium euros C.É. Bayle, 1880 - (CERITHIIDAE)
- Euroscaphella, Genus Euroscaphella Van Dingenen, Ceulemans & Landau, 2014 † (VOLUTIDAE) (FOSSIL)
- eurostus, Nassarius eurostus (C.F. Fontannes, 1879 †) - (NASSARIIDAE) (FOSSIL)
- Eurotis, syn of: Genus Haliotis C. Linnaeus, 1758 (HALIOTIDAE)
- Eurotrigonia, Genus Eurotrigonia M.R. Cooper, 2015 † (PTEROTRIGONIIDAE) (FOSSIL)
- euroxestus, Tengchiena euroxestus (T. Iredale, 1937) - (EUCONULIDAE)
- euryacme, Heterocithara euryacme J.C. Melvill, 1927 - syn of: Kermia euryacme (J.C. Melvill, 1927) - (MANGELIIDAE)
- euryacme, Kermia euryacme (J.C. Melvill, 1927) - (RAPHITOMIDAE)
- Euryalox, Genus Euryalox Cossmann, 1897 † (PHYMATOPLEURIDAE) (FOSSIL)
- Euryanodon, syn of: Genus Anodontites J.G. Bruguière, 1792 (MYCETOPODIDAE)
- Euryauchenia, Genus Euryauchenia H. Nordsieck, 2007 (CLAUSILIIDAE)
- Eurybasis, Subgenus Geotrochus (Eurybasis) G.P.L.K. Gude, 1913 (HELICARIONIDAE)
- eurybia, Propebela eurybia (P. Bartsch, 1941) - (MANGELIIDAE)
- eurybia, Bostrichocentrum eurybia P. Bartsch, 1926 - (UROCOPTIDAE)
- eurybis, Pseudotorinia eurybis A.A. Olsson, 1964 † - (ARCHITECTONICIDAE) (FOSSIL)
- eurybrocha, Pleurotomella eurybrocha (P. Dautzenberg & H. Fischer, 1896) - (RAPHITOMIDAE)
- eurybrocha, Pleurotoma eurybrocha P. Dautzenberg & H. Fischer, 1896 - syn of: Pleurotomella eurybrocha (P. Dautzenberg & H. Fischer, 1896) - (TURRIDAE)
- Eurycaelon, Genus Eurycaelon Lea, 1864 (PLEUROCERIDAE)
- Eurycampta, Subgenus Cepolis (Eurycampta) E.C. Von Martens, 1860 (CEPOLIDAE)
- eurycarinatum, Claviderma eurycarinatum D. Ivanov & A.H. Scheltema, 2000 - (PROCHAETODERMATIDAE)
- eurycephala, Pteroctopus eurycephala (Iw. Taki, 1964) - (OCTOPODIDAE)
- Eurycephalites, Genus Eurycephalites Tornquist, 1898 † (SPHAEROCERATIDAE) (FOSSIL)
- eurychada, Eulima eurychada R.B. Watson, 1883 - (EULIMIDAE)
- eurychades, Pisinna eurychades (R.B. Watson, 1886) - (ANABATHRIDAE)
- eurychila, Ampelita sepulchralis eurychila J.C.H. Crosse & P.H. Fischer, 1890 - (ACAVIDAE)
- eurychilus, Galeodea eurychilus A.E.M. Cossmann, 1889 † - (CASSIDAE) (FOSSIL)
- eurychlamys, Platydoris eurychlamys L.S.R. Bergh, 1877 - syn of: Platydoris scabra (G.L.C.F.D. Cuvier, 1804) - (DISCODORIDIDAE)
- Eurychlamys, Genus Eurychlamys H.H. Godwin-Austen, 1899 (EUCONULIDAE)
- eurychone, Pseudomalaxis eurychone A.E.M. Cossmann, 1899 † - (ARCHITECTONICIDAE) (FOSSIL)
- eurychoros, Pseudonautilus eurychoros Schairer & Barthel, 1977 † - (PSEUDONAUTILIDAE) (FOSSIL)
- euryclea, Mangelia euryclea W.H. Dall, 1919 - syn of: Agathotoma alcippe (W.H. Dall, 1918) - (MANGELIIDAE)
- euryclea, Turris euryclea W.H. Dall, 1919 - syn of: Agathotoma alcippe (W.H. Dall, 1918) - (TURRIDAE)
- eurycotylum, Pneumoderma violaceum eurycotylum J. Meisenheimer, 1905 - (PNEUMODERMATIDAE)
- Eurycratera, Genus Eurycratera H.H. Beck, 1837 (PLEURODONTIDAE)
- Eurydesma, Genus Eurydesma Morris, 1845 † (EURYDESMATIDAE) (FOSSIL)
- EURYDESMATIDAE Reed, 1932 † - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-EURYDESMATOIDEA [Superfamily]) (FOSSIL)
- eurydice, Straparella eurydice Billings, 1860 † - syn of: Straparollina eurydice (Billings, 1860 †) - (ANOMPHALIDAE) (FOSSIL)
- eurydice, Pachydiscus eurydice (C.J. Maury 1930 †) - (DESMOCERATIDAE) (FOSSIL)
- eurydice, Natica eurydice White, 1887 † - (NATICIDAE) (FOSSIL)
- Eurydice, syn of: Genus Phylliroe F. Péron & C.A. Lesueur, 1810 (PHYLLIROIDAE)
- eurydice, Straparollina eurydice (Billings, 1860 †) - (STRAPAROLLINIDAE) (FOSSIL)
- eurydice, Trochomorpha eurydice (A.A. Gould, 1848) - (TROCHOMORPHIDAE)
- eurydictium, Rissoa eurydictium A.E.M. Cossmann, 1888 † - (RISSOIDAE) (FOSSIL)
- Eurydike, Genus Eurydike Kautsky, 1925 † (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- euryeia, Trapania euryeia T.M. Gosliner & S.J. Fahey, 2008 - (GONIODORIDIDAE)
- Euryentmema, Genus Euryentmema Woodring , 1928 † (TURRIDAE) (FOSSIL)
- Euryentmena, Genus Euryentmena W.P. Woodring, 1928 (MANGELIIDAE)
- Euryentome, Genus Euryentome A.E.M. Cossmann, 1899 † (MARGINELLIDAE) (FOSSIL)
- eurygaster, Radix subovata eurygaster (O. Böttger, 1869 †) - (LYMNAEIDAE) (FOSSIL)
- euryhedra, Sinum euryhedra W.P. Woodring, 1957 † - (NATICIDAE) (FOSSIL)
- eurylobica, Platyclymenia eurylobica J.D. Petersen, 1975 † - (PLATYCLYMENIIDAE) (FOSSIL)
- eurylopas, Chionopsis eurylopas W.P. Woodring, 1982 † - (VENERIDAE) (FOSSIL)
- eurymedon, Turbo eurymedon Laube, 1869 † - (TURBINIDAE) (FOSSIL)
- eurymorpha, Modiolus eurymorpha A.E.M. Cossmann & G. Pissarro † - (MYTILIDAE) (FOSSIL)
- eurymorpha, Arcopagia eurymorpha A.E.M. Cossmann, 1886 † - (TELLINIDAE) (FOSSIL)
- Eurymya, Genus Eurymya Ulrich, 1894 † (MODIOMORPHIDA (UNASSIGNED)) (FOSSIL)
- Eurymyella, Genus Eurymyella Williams, 1912 † (MODIOMORPHIDAE) (FOSSIL)
- Eurynia, syn of: Genus Elliptio C.S. Rafinesque, 1819 (UNIONIDAE)
- eurynome, Crassispira eurynome W.H. Dall, 1919 - (PSEUDOMELATOMIDAE)
- eurynota, Mytilus eurynota A.E.M. Cossmann, 1887 † - (MYTILIDAE) (FOSSIL)
- Eurynoticeras, Genus Eurynoticeras Canavari, 1897 † (OPPELIIDAE) (FOSSIL)
- eurynotum, Eurypyrene eurynotum W.P. Woodring, 1928 - (COLUMBELLIDAE)
- Euryochetus, Genus Euryochetus A.E.M. Cossmann, 1896 † (BUCCINIDAE) (FOSSIL)
- euryomphala, Tornatellides euryomphala (C.M.F. Ancey, 1889) - (ACHATINELLIDAE)
- euryomphala, Cymaclymenia euryomphala Schindewolf, 1937 † - syn of: Postclymenia evoluta (H. Schmidt, 1924 †) - (CYMACLYMENIIDAE) (FOSSIL)
- euryomphala, Protactoclymenia euryomphala Wedekind, 1918 † - syn of: Planitornoceras euryomphalum (Wedekind, 1918 †) - (CYRTOCLYMENIIDAE) (FOSSIL)
- euryomphala, Sinoennea euryomphala Inkhavilay & Panha, 2016 - (DIAPHERIDAE)
- Euryomphala, syn of: Genus Discus L.I. Fitzinger, 1833 (DISCIDAE)
- euryomphala, Hydrobia euryomphala (J.R. Bourguignat, 1876) - (HYDROBIIDAE)
- Euryomphala, syn of: Genus Euomphalia C.A. Westerlund, 1889 (HYGROMIIDAE)
- euryomphala, Tegula euryomphala (I.H. Jonas, 1844) - (TEGULIDAE)
- euryomphala, Moreletia euryomphala (L. Pfeiffer, 1845) - (ZONITIDAE)
- Euryomphalia, syn of: Genus Pyramidula L.I. Fitzinger, 1833 (PYRAMIDULIDAE)
- euryomphalum, Chlorostoma euryomphalum I.H. Jonas, 1844 - (TEGULIDAE)
- euryomphalum, Planitornoceras euryomphalum (Wedekind, 1918 †) - (TORNOCERATIDAE) (FOSSIL)
- euryomphalus, Plekocheilus euryomphalus I.H. Jonas, 1844 - (AMPHIBULIMIDAE)
- euryomphalus, Opisthoporus euryomphalus (L. Pfeiffer, 1856) - (CYCLOPHORIDAE)
- euryomphalus, Cyrtolites euryomphalus Lindström, 1884 † - syn of: Temnodiscus euryomphalus (Lindström, 1884 †) - (CYRTOLITIDAE) (FOSSIL)
- euryomphalus, Goniatites euryomphalus Holzapfel, 1895 † - syn of: Agoniatites costulatus (d'Archiac & de Verneuil, 1842 †) - (GONIATITIDAE) (FOSSIL)
- euryomphalus, Temnodiscus euryomphalus (Lindström, 1884 †) - (TROPIDODISCIDAE) (FOSSIL)
- euryomphalus, Neothauma euryomphalus J.R. Bourguignat, 1888 - (VIVIPARIDAE)
- Euryops, syn of: Genus Pterotrachea P. Forsskål, 1775 (PTEROTRACHEIDAE)
- Euryopsis, syn of: Genus Pterotrachea P. Forsskål, 1775 (PTEROTRACHEIDAE)
- euryptera, Cerithideopsilla cingulata euryptera (A. Adams & G.B. II Sowerby in G.W. Tryon, 1887) - (POTAMIDIDAE)
- euryptera, Rostellaria euryptera Buvignier, 1852 † - (ROSTELLARIIDAE) (FOSSIL)
- eurypteron, Murex eurypteron L.A. Reeve, 1845 - syn of: Ocinebrellus falcata (G.B. II Sowerby, 1834) - (MURICIDAE)
- Euryptychites, Subgenus Polyptychites (Euryptychites) Alsen, 2006 † (POLYPTYCHITIDAE) (FOSSIL)
- Euryptyxis, Genus Euryptyxis P. Fischer, 1883 (CERASTUIDAE)
- Eurypus, syn of: Genus Orpiella J.E. Gray, 1855 (HELICARIONIDAE)
- Eurypyrene, Genus Eurypyrene W.P. Woodring, 1928 (COLUMBELLIDAE)
- euryrhyncha, Tellina euryrhyncha A.E.M. Cossmann & M.A. Peyrot, 1910 † - (TELLINIDAE) (FOSSIL)
- Euryrizoceras, Genus Euryrizoceras Foerste, 1935 † (ACLEISTOCERATIDAE) (FOSSIL)
- eurysoma, Drillia eurysoma J. Gardner, 1937 † - (DRILLIIDAE) (FOSSIL)
- euryspira, Morula euryspira (R. Houart, 1995) - (MURICIDAE)
- euryspira, Habromorula euryspira (R. Houart, 1995) - syn of: Morula euryspira (R. Houart, 1995) - (MURICIDAE)
- eurystoma, Acteon eurystoma W.P. Woodring, 1928 † - (ACTEONIDAE) (FOSSIL)
- eurystoma, Paludinella eurystoma A. Paladilhe, 1870 - syn of: Bythinella eurystoma (A. Paladilhe, 1870) - (ASSIMINEIDAE)
- eurystoma, Bythinella eurystoma (A. Paladilhe, 1870) - (BYTHINELLIDAE)
- Eurystoma, syn of: Genus Trachia J.A. Albers, 1860 (CAMAENIDAE)
- eurystoma, Strophiops eurystoma C.J. Maynard, 1896 - (CERIONIDAE)
- eurystoma, Drillia riogurabonis eurystoma Gardner, 1937 - (DRILLIIDAE)
- eurystoma, Pupinidius obrutschewi eurystoma (O.F. von Möllendorff, 1901) - (ENIDAE)
- eurystoma, Platycythara eurystoma W.P. Woodring, 1928 † - (MANGELIIDAE) (FOSSIL)
- eurystoma, Serrata eurystoma J. Gardner, 1937 † - (MARGINELLIDAE) (FOSSIL)
- eurystoma, Melanopsis eurystoma M. von Neumayr, 1875 † - (MELANOPSIDAE) (FOSSIL)
- eurystoma, Phragmoceras eurystoma Hedstrom, 1917 † - (PHRAGMOCERATIDAE) (FOSSIL)
- eurystoma, Bermudezia eurystoma (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- eurystoma chorrillensis, Bermudezia eurystoma chorrillensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- eurystoma flexible, Phragmoceras eurystoma flexible Hedstrom, 1917 † - (PHRAGMOCERATIDAE) (FOSSIL)
- eurystoma ignota, Strophiops eurystoma ignota C.J. Maynard, 1896 - (CERIONIDAE)
- eurystomia, Andraea eurystomia J.R. Bourguignat, 1877 - syn of: Andraea dubia geretica J.R. Bourguignat, 1877 - (CLAUSILIIDAE)
- Eurystomites, Genus Eurystomites Schröder, 1891 † (TARPHYCERATIDAE) (FOSSIL)
- eurystomus, Drymaeus eurystomus R.A. Philippi, 1867 - (BULIMULIDAE)
- eurystomus, Murex eurystomus W.J. Swainson, 1833 - syn of: Hexaplex duplex (P.F. Röding, 1798) - (MURICIDAE)
- eurystomus, Choanomphalus eurystomus W.A. Lindholm, 1909 - (PLANORBIDAE)
- eurystomus hamadryas, Drymaeus eurystomus hamadryas R.A. Philippi, 1867 - (BULIMULIDAE)
- Eurystyla, Genus Eurystyla C.M.F. Ancey, 1887 (ACAVIDAE)
- Euryta, syn of: Genus Mazatlania W.H. Dall, 1913 (COLUMBELLIDAE)
- Eurytellina, Subgenus Tellina (Eurytellina) P. Fischer, 1887 (TELLINIDAE)
- eurythma, Gyrocochlea eurythma C. Hedley, 1924 - (CHAROPIDAE)
- eurythma, Montfortulana eurythma (P. Dautzenberg, 1908) - (FISSURELLIDAE)
- eurythyra, Hemicycla eurythyra O. Böttger, 1908 - (HELICIDAE)
- eurytima, Cerithium eurytima J.C. Melvill & R. Standen, 1896, 1897 - syn of: Cerithium nodulosum J.G. Bruguière, 1792 - (CERITHIIDAE)
- eurytima, Spirotropis eurytima M. Morassi, 1998 - (DRILLIIDAE)
- eurytima, Mathilda eurytima J.C. Melvill & R. Standen, 1896 - syn of: Cerithium nodulosum J.G. Bruguière, 1792 - (MATHILDIDAE)
- eurytoides, Truncaria eurytoides P.P. Carpenter, 1864 - syn of: Aesopus eurytoides (P.P. Carpenter, 1864) - (BUCCINIDAE)
- eurytoides, Aesopus eurytoides (P.P. Carpenter, 1864) - (COLUMBELLIDAE)
- eurytoideus, Aesopus eurytoideus P.P. Carpenter, 1864 - syn of: Aesopus eurytoides (P.P. Carpenter, 1864) - (COLUMBELLIDAE)
- Eurytorus, Subgenus Torcula (Eurytorus) Gardner, 1947 † (TURRITELLIDAE) (FOSSIL)
- Eurytrachia, Genus Eurytrachia J. Stanisic, 2010 (CAMAENIDAE)
- eurytrema, Tortulosa eurytrema (L. Pfeiffer, 1852) - (PUPINIDAE)
- eurytrochus, Kaliella eurytrochus J.J. Vermeulen, T.S. Liew & M. Schilthuizen, 2015 - (CHRONIDAE)
- Eurytrochus, Genus Eurytrochus P. Fischer in L.C. Kiener & P. Fischer, 1880 (TROCHIDAE)
- Eurytropis, syn of: Genus Omphalotropis L. Pfeiffer, 1851 (ASSIMINEIDAE)
- Eurytus, Subgenus Plekocheilus (Eurytus) J.A. Albers, 1850 (AMPHIBULIMIDAE)
- Euryzone, Genus Euryzone Spitz, 1907 † (GOSSELETINIDAE) (FOSSIL)
- euryzonum, Canistrum ovoideum euryzonum (L. Pfeiffer, 1847) - (BRADYBAENIDAE)
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