- enhalia, Ovatella enhalia J.R. Bourguignat, 1887 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- enhalia, Cecilioides enhalia J.R. Bourguignat, 1860 - syn of: Cecilioides acicula (O.F. Müller, 1774) - (FERUSSACIIDAE)
- enhalia, Helicella enhalia J.R. Bourguignat, 1860 - syn of: Helicella itala (C. Linnaeus, 1758) - (HYGROMIIDAE)
- enhydra, Anodonta enhydra J. Da Silva e Castro, 1885 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- enida, Astyris enida W.H. Dall, 1927 - (COLUMBELLIDAE)
- Enida, Subgenus Gibbula (Enida) A. Adams, 1860 (TROCHIDAE)
- ENIDAE B.B. Woodward, 1903 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-ENOIDEA [Superfamily])
- enigma, Macrodesma enigma Kríž, 2008 † - (CYRTODONTIDAE) (FOSSIL)
- enigma, Cordaspira enigma Frýda & K. Bandel, 1997 † - (EOGASTROPODA (UNASSIGNED)) (FOSSIL)
- enigma, Jardamarekia enigma Frýda & al., 2011 † - (LADAMAREKIIDAE) (FOSSIL)
- enigma, Vladanella enigma Horný, 1992 † - (MURCHISONIIDAE) (FOSSIL)
- enigma, Katelysia enigma T. Iredale, 1936 - syn of: Katelysia victoriae (J.E. Tenison-Woods, 1878) - (VENERIDAE)
- Enigmaconus, Genus Enigmaconus MacKinnon, 1985 (YOCHELCIONELLIDAE) (FOSSIL)
- enigmatica, Patagocharopa enigmatica F.A.W. Miquel & P.E. Rodriguez, 2016 † - (CHAROPIDAE) (FOSSIL)
- enigmatica, Cranopsis enigmatica L.R.L. Simone & C.M. Cunha, 2014 - (FISSURELLIDAE)
- enigmatica, Sinezona enigmatica D.L. Geiger & B.A. Marshall, 2012 - (SCISSURELLIDAE)
- enigmatica, Austrorossia enigmatica (G.C. Robson, 1924) - (SEPIOLIDAE)
- enigmatica, Diplodonta enigmatica R. von Cosel, 1995 - (UNGULINIDAE)
- Enigmaticolus, Genus Enigmaticolus K. Fraussen, 2008 (BUCCINIDAE)
- enigmaticum, Nemocardium enigmaticum J.J. Ter Poorten, 2013 - (CARDIIDAE)
- enigmaticum, Pseudogargasiceras enigmaticum M. Collignon, 1962 † - (DESHAYESITIDAE) (FOSSIL)
- enigmaticum, Cagliceras enigmaticum Kovács & Géczy, 2008 † - (HAMMATOCERATIDAE) (FOSSIL)
- enigmaticum, Enigmavasum enigmaticum G.T. Poppe & S.P. Tagaro, 2005 - (TURBINELLIDAE)
- enigmaticus, Cryptoplax enigmaticus E.H.J. Leloup, 1980 - syn of: Cryptoplax sykesi K.H.J. Thiele, 1909 - (CRYPTOPLACIDAE)
- enigmaticus, Chicoreus enigmaticus E.H. Vokes, 1989 † - (MURICIDAE) (FOSSIL)
- enigmaticus, Mirapex enigmaticus (H.B. Baker, 1939) - (SPIRAXIDAE)
- enigmaticus, Bouhamedites enigmaticus D. Korn & al., 2003 † - (TEMERTASSETIIDAE) (FOSSIL)
- Enigmatiteuthis, syn of: Genus Grimpoteuthis G.C. Robson, 1932 (OPISTHOTEUTHIDAE)
- Enigmavasum, Genus Enigmavasum G.T. Poppe & S.P. Tagaro, 2005 (TURBINELLIDAE)
- Enigmerces, Genus Enigmerces T. Iredale & C.F. Laseron, 1957 (CAECIDAE)
- Enigmoceras, Genus Enigmoceras Hook & Flower, 1977 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Enigmocranchia, Genus Enigmocranchia Kubodera & Okutani, 2014 (CRANCHIIDAE)
- Enigmonia, Genus Enigmonia T. Iredale, 1918 (ANOMIIDAE)
- Enigmoteuthis, syn of: Genus Abralia J.E. Gray, 1849 (ENOPLOTEUTHIDAE)
- enikalensis, Hydrobia enikalensis C.M. Kolesnikov, 1935 † - (HYDROBIIDAE) (FOSSIL)
- eninskoensis, Balea eninskoensis A. Irikov, 2006 - (CLAUSILIIDAE)
- enischna, Myrtea enischna W.P. Woodring, 1982 † - (LUCINIDAE) (FOSSIL)
- enitestita, Venericardia enitestita Slodkewitsch † - (CARDITIDAE) (FOSSIL)
- eniwetokensis, Vatusila eniwetokensis (H.S. Ladd, 1958) - (CHAROPIDAE)
- eniwetokensis, Nassarius eniwetokensis H.S. Ladd, 1977 † - (NASSARIIDAE) (FOSSIL)
- eniwetokensis, Projenneria eniwetokensis L. Dolin, 1997 † - (PEDICULARIIDAE) (FOSSIL)
- eniwetokensis, Astralium eniwetokensis H.S. Ladd, 1966 † - (TURBINIDAE) (FOSSIL)
- Enixotrophon, Genus Enixotrophon Iredale, 1929 (MURICIDAE)
- enjalrani, Holopea enjalrani A.H. Clarke, 1907 † - (HOLOPEIDAE) (FOSSIL)
- enjalrani corrugata, Holopea enjalrani corrugata A.H. Clarke, 1907 † - (HOLOPEIDAE) (FOSSIL)
- enkebergense, Centroceras enkebergense Wedekind, 1908 † - syn of: Protactoclymenia enkebergensis (Wedekind, 1908 †) - (CENTROCERATIDAE) (FOSSIL)
- enkebergense, Cheiloceras enkebergense Wedekind, 1908 † - syn of: Protactoclymenia enkebergensis (Wedekind, 1908 †) - (CHEILOCERATIDAE) (FOSSIL)
- enkebergense, Puncticeras enkebergense Wedekind, 1908 † - syn of: Protactoclymenia enkebergensis (Wedekind, 1908 †) - (CHEILOCERATIDAE) (FOSSIL)
- enkebergensis, Clymenia enkebergensis Wedekind, 1908 † - syn of: Protactoclymenia enkebergensis (Wedekind, 1908 †) - (CLYMENIIDAE) (FOSSIL)
- enkebergensis, Protactoclymenia enkebergensis (Wedekind, 1908 †) - (CYRTOCLYMENIIDAE) (FOSSIL)
- enkebergensis, Varioclymenia enkebergensis Wedekind, 1908 † - syn of: Protactoclymenia enkebergensis (Wedekind, 1908 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- enkebergensis crassa, Protactoclymenia enkebergensis crassa Petter, 1960 † - (CYRTOCLYMENIIDAE) (FOSSIL)
- Enkebergoceras, Genus Enkebergoceras Becker & al., 2002 (SPORADOCERATIDAE) (FOSSIL)
- Enkelbergia, Genus Enkelbergia (PTERIIDA (UNASSIGNED)) (FOSSIL)
- enna, Clavus enna (W.H. Dall, 1918) - (DRILLIIDAE)
- enna, Turbonilla enna P. Bartsch, 1927 - (PYRAMIDELLIDAE)
- enna, Pleurotoma enna W.H. Dall, 1918 - syn of: Clavus enna (W.H. Dall, 1918) - (TURRIDAE)
- ennadifii, Sublandinia ennadifii Freneix 1972 † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- ennae, Neptunea ennae K. Sakurai & R. Chiba, 1969 - (BUCCINIDAE)
- Ennea, Genus Ennea H. Adams & A. Adams, 1855 (STREPTAXIDAE)
- enneacyma, Agladrillia enneacyma (J. Brown & H.A. Pilsbry, 1913 †) - (DRILLIIDAE) (FOSSIL)
- enneagona, Cellana radiata enneagona (L.A. Reeve, 1854) - (NACELLIDAE)
- enneagona, Patella enneagona L.A. Reeve, 1854 - syn of: Cellana cylindrica (J.F. Gmelin, 1791) - (PATELLIDAE)
- Enneastrum, syn of: Genus Ennea H. Adams & A. Adams, 1855 (STREPTAXIDAE)
- enneodon, Helicodiscus enneodon L.R. Hubricht, 1967 - (HELICODISCIDAE)
- enneoides, Gonaxis enneoides (E.C. Von Martens, 1878.) - (STREPTAXIDAE)
- Enneopupa, Genus Enneopupa O. Bφttger, 1889 (PUPILLIDAE) (FOSSIL)
- ennianum, Paracenoceras ennianum (Dacque, 1905 †) - (PARACENOCERATIDAE) (FOSSIL)
- ennianus, Nautilus ennianus Dacque, 1905 † - syn of: Paracenoceras ennianum (Dacque, 1905 †) - (NAUTILIDAE) (FOSSIL)
- enniensis, Vallonia enniensis (P.V. Gredler, 1856) - (VALLONIIDAE)
- enno, Diplodon enno A.E. Ortmann, 1921 - syn of: Rhipidodonta rhombea enno A.E. Ortmann, 1921 - (HYRIIDAE)
- enno, Rhipidodonta rhombea enno A.E. Ortmann, 1921 - (HYRIIDAE)
- Ennoia, syn of: Genus Phyllodesmium C.G. Ehrenberg, 1831 (FACELINIDAE)
- ennucleata, Retusa ennucleata (Powell & J.A. Bartrum, 1929 †) - (RETUSIDAE) (FOSSIL)
- Ennucula, Genus Ennucula T. Iredale, 1931 (NUCULIDAE)
- ennurensis, Iravadia ennurensis H.B. Preston, 1916 - syn of: Iravadia ornata H.F. Blanford, 1867 - (IRAVADIIDAE)
- ennurensis, Nassa ennurensis H.B. Preston, 1919 - syn of: Nassarius orissaensis (H.B. Preston, 1914) - (NASSARIIDAE)
- ennurensis depauperata, Nassa ennurensis depauperata T.N. Annandale & B. Prashad, 1919 - syn of: Nassarius orissaensis (H.B. Preston, 1914) - (NASSARIIDAE)
- ennychia, Clausilia ennychia J.R. Bourguignat, 1877 - syn of: Clausilia bidentata (H. Strøm, 1765) - (CLAUSILIIDAE)
- enoda, Lyosoma enoda N.F. Sohl, 1965 † - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- enoda, Wrightudora enoda J. Gundlach in L. Pfeiffer, 1860 - syn of: Wrightudora enode (J. Gundlach in L. Pfeiffer, 1860) - (POMATIIDAE)
- enodata, Melanopsis enodata Š. Brusina, 1897 † - (MELANOPSIDAE) (FOSSIL)
- enodatum, Kepplerites enodatum (Nikitin, 1881 †) - (KOSMOCERATIDAE) (FOSSIL)
- enode, Acrochordiceras enode J. Von Hauer, 1892 † - syn of: Acrochordiceras carolinae Mojsisovics, 1882 † - (ACROCHORDICERATIDAE) (FOSSIL)
- enode, Trachycardium enode G.B. II Sowerby, 1840 - syn of: Vasticardium elongatum enode (G.B. II Sowerby, 1840) - (CARDIIDAE)
- enode, Cardium enode G.B. II Sowerby, 1840 - syn of: Vasticardium elongatum enode (G.B. II Sowerby, 1840) - (CARDIIDAE)
- enode, Vasticardium elongatum enode (G.B. II Sowerby, 1840) - (CARDIIDAE)
- enode, Bittium enode R.B. Watson, 1880 - syn of: Cerithiella enodis (R.B. Watson, 1880) - (CERITHIIDAE)
- enode, Cerithium enode R.B. Watson, 1880 - syn of: Cerithiella enodis (R.B. Watson, 1880) - (CERITHIIDAE)
- enode, Wrightudora enode (J. Gundlach in L. Pfeiffer, 1860) - (POMATIIDAE)
- enode, Finella enode R.B. Watson, 1880 - (SCALIOLIDAE)
- enode, Zestoceras enode (Tozer, 1972 †) - (TRACHYCERATIDAE) (FOSSIL)
- enode brevilabris, Wrightudora enode brevilabris C.G. Aguayo, 1943 - (POMATIIDAE)
- enodis, Addisonia enodis L.R.L. Simone, 1996 - syn of: Addisonia excentrica (N. Tiberi, 1855) - (ADDISONIIDAE)
- enodis, Fusiturris enodis R. Janssen, 1978 † - (CLAVATULIDAE) (FOSSIL)
- enodis, Endosiphonites enodis Schindewolf, 1926 † - (COSTACLYMENIIDAE) (FOSSIL)
- enodis, Euphemites enodis Sturgeon, 1964 † - (EUPHEMITIDAE) (FOSSIL)
- enodis, Cerithiella enodis (R.B. Watson, 1880) - (NEWTONIELLIDAE)
- enodis, Stenogyra enodis (H.H. Godwin-Austen, 1881) - (SUBULINIDAE)
- enolae, Persicula enolae R. Le Béon, 2014 - (CYSTISCIDAE)
- enopa, Macroschisma enopa T. Iredale, 1908 - syn of: Macroschisma hiatula W.J. Swainson, 1840 - (FISSURELLIDAE)
- enopla, Strobiligera enopla (W.H. Dall, 1927) - (TRIPHORIDAE)
- enopla, Inella enopla (W.H. Dall, 1927) - syn of: Strobiligera enopla (W.H. Dall, 1927) - (TRIPHORIDAE)
- Enoploceras, Genus Enoploceras Hyatt in Zittel, 1900 (TAINOCERATIDAE) (FOSSIL)
- Enoplochiton, Genus Enoplochiton J.E. Gray, 1847 (CHITONIDAE)
- Enoploion, syn of: Genus Abralia J.E. Gray, 1849 (ENOPLOTEUTHIDAE)
- ENOPLOTEUTHIDAE Pfeffer, 1900 - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-OEGOPSIDA [Order])
- Enoploteuthis, Genus Enoploteuthis D'Orbigny in W.P.E.S. Rόppell, 1844 (ENOPLOTEUTHIDAE)
- Enoptroteuthis, syn of: Genus Grimalditeuthis L.M.A.O.E. Joubin, 1898 (CHIROTEUTHIDAE)
- enora, Odostomia enora W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- enora, Pleurotomella enora (W.H. Dall, 1908) - (RAPHITOMIDAE)
- enorme, Orthonychia enorme (Lindström, 1884 †) - (ORTHONYCHIIDAE) (FOSSIL)
- enorme, Platyceras enorme Lindström, 1884 † - syn of: Orthonychia enorme (Lindström, 1884 †) - (PLATYCERATIDAE) (FOSSIL)
- enormecostata, Blodgettella enormecostata A. Nützel & Erwin, 2004 † - (TURBINIDAE) (FOSSIL)
- enormis, Subulites enormis E.F.R.K. Koken & J. Perner, 1925 † - (SUBULITIDAE) (FOSSIL)
- enoshimense, Torinia enoshimense J.C. Melvill, 1891 - syn of: Heliacus enoshimensis (J.C. Melvill, 1891) - (ARCHITECTONICIDAE)
- enoshimensis, Heliacus enoshimensis (J.C. Melvill, 1891) - (ARCHITECTONICIDAE)
- enosima, Monotygma enosima (S. Clessin, 1902) - (PYRAMIDELLIDAE)
- enosimensis, Sakuraeolis enosimensis (K. Baba, 1930) - (FACELINIDAE)
- enosimensis, Odostomia enosimensis S. Nomura, 1938 - (PYRAMIDELLIDAE)
- Enosphinctes, Genus Enosphinctes Schindewolf, 1925 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Enotepteron, Genus Enotepteron Y.S. Minichev, 1967 (GASTROPTERIDAE)
- enricoi, Prosipho enricoi W. Engl, 2004 - (BUCCINIDAE)
- enricoschwabei, Trivellona enricoschwabei D. Fehse & J. Grego, 2012 - (TRIVIIDAE)
- enriquei, Volvarina enriquei J. Espinosa & J.A. Ortea, 1998 - (MARGINELLIDAE)
- enriquevidali, Prunum enriquevidali J. Espinosa & J.A. Ortea, 1995 - (MARGINELLIDAE)
- enriquillense, Chondropoma enriquillense H.A. Pilsbry, 1933 - (POMATIIDAE)
- enriquis, Cerion minae enriquis C. de la Torre & Bermúdez - (CERIONIDAE)
- ensanumiforme, Clypeoceras ensanumiforme Chao, 1959 † - syn of: Nanningites tientungense (Chao, 1959 †) - (CLYPEOCERATIDAE) (FOSSIL)
- ensanus, Koninckites ensanus Krafft, 1909 † - syn of: Mullericeras ensanus (Krafft, 1909 †) - (BEYRICHITIDAE) (FOSSIL)
- ensanus, Mullericeras ensanus (Krafft, 1909 †) - (MULLERICERATIDAE) (FOSSIL)
- Ensatella, syn of: Genus Ensis H.C.F. Schumacher, 1817 (PHARIDAE)
- Enseites, Genus Enseites Becker & House, 1993 (GEPHUROCERATIDAE) (FOSSIL)
- Ensia, Genus Ensia Gregorio, 1930 (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- ensicula, Propeleda ensicula (G.F. Angas, 1877) - (NUCULANIDAE)
- ensicula, Leda ensicula C. Hedley, 1902 - syn of: Poroleda spathula C. Hedley, 1915 - (NUCULANIDAE)
- ensiculum, Dentalium ensiculum J.G. Jeffreys, 1877 - syn of: Bathoxiphus ensiculus (J.G. Jeffreys, 1877) - (DENTALIIDAE)
- ensiculus, Bathoxiphus ensiculus (J.G. Jeffreys, 1877) - (ENTALINIDAE)
- Ensiculus, Genus Ensiculus H. Adams, 1860 (PHARIDAE)
- ensiculus didymum, Dentalium ensiculus didymum R.B. Watson, 1879 - syn of: Episiphon didymum (R.B. Watson, 1879) - (DENTALIIDAE)
- Ensidens, Genus Ensidens L.S. Frierson, 1911 (UNIONIDAE)
- ensifer, Aricoceras ensifer (C. Gemmellaro, 1887 †) - (ADRIANITIDAE) (FOSSIL)
- ensifer, Doto ensifer O.A.L. Mörch, 1859 - (DOTIDAE)
- ensifera, Lamprocystis ensifera (A. Mousson, 1869) - (EUCONULIDAE)
- ensifera, Securella ensifera (W.H. Dall, 1909 †) - (VENERIDAE) (FOSSIL)
- ensifera, Yoldia seminuda ensifera W.H. Dall, 1897 - (YOLDIIDAE)
- ensifera chehalisensis, Securella ensifera chehalisensis C.S. Weaver, 1942 † - syn of: Protocallithaca adamsi (L.A. Reeve, 1863) - (VENERIDAE) (FOSSIL)
- ensifera plena, Yoldia ensifera plena W.H. Dall, 1908 - syn of: Yoldia seminuda W.H. Dall, 1871 - (YOLDIIDAE)
- ensiforme, Dentalium ensiforme J.C. Chenu, 1842 - syn of: Laevidentalium ensiforme (J.C. Chenu, 1842) - (DENTALIIDAE)
- ensiforme, Laevidentalium ensiforme (J.C. Chenu, 1842) - (LAEVIDENTALIIDAE)
- ensiformis, Gervilliopsis ensiformis (T.A. Conrad, 1858 †) - (BAKEVELLIIDAE) (FOSSIL)
- ensiformis, Cypricardinia ensiformis Whidborne † - (CYPRICARDINIIDAE) (FOSSIL)
- ensiformis, Gervillia ensiformis T.A. Conrad, 1858 † - syn of: Gervilliopsis ensiformis (T.A. Conrad, 1858 †) - (MYALINIDAE) (FOSSIL)
- ensiformis, Lamproscapha ensiformis (J.B. von Spix, 1827) - (MYCETOPODIDAE)
- ensiformis, Promytilus ensiformis Li & Ding, 1982 † - (MYTILIDAE) (FOSSIL)
- ensiformis, Nuculana ensiformis O.A. Scarlato, 1981 - (NUCULANIDAE)
- ensiformis, Ensis ensiformis T.A. Conrad, 1843 † - (PHARIDAE) (FOSSIL)
- ensiformis, Pinna ensiformis T.A. de M. Monterosato, 1884 - syn of: Pinna nobilis C. Linnaeus, 1758 - (PINNIDAE)
- ensiformis, Anodon ensiformis J.B. von Spix & J.A. Wagner, 1827 - syn of: Lamproscapha ensiformis (J.B. von Spix, 1827) - (UNIONIDAE)
- ensiformis extensa, Gervilliopsis ensiformis extensa L.W. Stephenson, 1941 † - (BAKEVELLIIDAE) (FOSSIL)
- ensiformis platensis, Lamproscapha ensiformis platensis A.A. Bonetto & Tassara, 1987 - syn of: Lamproscapha ensiformis (J.B. von Spix, 1827) - (MYCETOPODIDAE)
- Ensinaia, syn of: Genus Elliptio C.S. Rafinesque, 1819 (UNIONIDAE)
- ensinoides, Adrana ensinoides A.A. Olsson, 1922 † - (NUCULANIDAE) (FOSSIL)
- ensinoides, Nucula ensinoides A.A. Olsson, 1922 † - (NUCULIDAE) (FOSSIL)
- Ensio, Genus Ensio Cox, 1962 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- ensio, Maclearnoceras ensio Tozer, 1994 † - (TRACHYCERATIDAE) (FOSSIL)
- Ensipteria, Genus Ensipteria Nakazawa & Newell, 1968 (PTERIIDA (UNASSIGNED)) (FOSSIL)
- ensis, Toxoceras ensis Coquand, 1880 † - (ANCYLOCERATIDAE) (FOSSIL)
- ensis, Ichthyosarcolites ensis Poeta, 1889 † - (ICHTHYOSARCOLITIDAE) (FOSSIL)
- ensis, Zenatina ensis G.P. Deshayes, 1835 - syn of: Zenatia acinaces (J.R.C. Quoy & J.P. Gaimard, 1835) - (MACTRIDAE)
- ensis, Lutraria ensis G.P. Deshayes, 1835 - syn of: Zenatia acinaces (J.R.C. Quoy & J.P. Gaimard, 1835) - (MACTRIDAE)
- Ensis, Genus Ensis H.C.F. Schumacher, 1817 (PHARIDAE)
- ensis, Ensis ensis (C. Linnaeus, 1758) - (PHARIDAE)
- ensis, Solen ensis C. Linnaeus, 1758 - syn of: Ensis ensis (C. Linnaeus, 1758) - (SOLENIDAE)
- ensis americana, Ensis ensis americana A.A. Gould & W.G. Binney, 1870 - syn of: Ensis directus T.A. Conrad, 1844 - (PHARIDAE)
- ensis americana, Solen ensis americana A.A. Gould & W.G. Binney, 1870 - syn of: Ensis directus T.A. Conrad, 1844 - (SOLENIDAE)
- Ensisolen, syn of: Genus Solen C. Linnaeus, 1758 (SOLENIDAE)
- Ensitellops, Genus Ensitellops A.A. Olsson & A. Harbison, 1953 (BASTEROTIIDAE)
- ensyuensis, Comitas ensyuensis (T. Shikama, 1977) - (PSEUDOMELATOMIDAE)
- Entacanthus, Genus Entacanthus Ihering, 1907 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Entadella, Genus Entadella Pαll-Gergely & Hunyadi, 2016 (CAMAENIDAE)
- entadiformis, Entadella entadiformis Páll-Gergely & Hunyadi, 2016 - (CAMAENIDAE)
- Entagaricus, Subgenus Zonitarion (Entagaricus) H.A. Pilsbry, 1919 (UROCYCLIDAE)
- entagaricus, Zonitarion entagaricus H.A. Pilsbry - (UROCYCLIDAE)
- entale, Antalis entale C. Linnaeus, 1758 - syn of: Antalis entalis (C. Linnaeus, 1758) - (DENTALIIDAE)
- Entalina, Genus Entalina T.A. de M. Monterosato, 1872 (ENTALINIDAE)
- ENTALINIDAE Chistikov, 1979 - Family (SCAPHOPODA-GADILIDA [Order])
- Entalinopsis, Genus Entalinopsis T. Habe, 1957 (ENTALINIDAE)
- Entaliopsis, syn of: Genus Antalis H. Adams & A. Adams, 1854 (DENTALIIDAE)
- entalis, Antalis entalis (C. Linnaeus, 1758) - (DENTALIIDAE)
- Entalis, syn of: Genus Dentalium C. Linnaeus, 1758 (DENTALIIDAE)
- entalis anulata, Dentalium entalis anulata J.G. Jeffreys, 1865 - syn of: Antalis entalis (C. Linnaeus, 1758) - (DENTALIIDAE)
- entalis indicum, Dentalium entalis indicum M. Boissevain, 1906 - syn of: Antalis tibana (S. Nomura, 1940) - (DENTALIIDAE)
- entalis infundibulum, Antalis entalis infundibulum J.G. Jeffreys, 1869 - syn of: Antalis entalis (C. Linnaeus, 1758) - (DENTALIIDAE)
- entalis occidentalis, Antalis entalis occidentalis W. Stimpson, 1851 - syn of: Antalis entalis (C. Linnaeus, 1758) - (DENTALIIDAE)
- entalis orthrum, Antalis entalis orthrum R.B. Watson, 1879 - syn of: Antalis entalis (C. Linnaeus, 1758) - (DENTALIIDAE)
- entalis stimpsoni, Antalis entalis stimpsoni (J. Henderson, 1920) - (DENTALIIDAE)
- entebbana, Subulina entebbana C. Pollonera, 1907 - (SUBULINIDAE)
- entebbensis, Curvella entebbensis H.B. Preston, 1912 - (SUBULINIDAE)
- enteles, Rissoina enteles J.C. Melvill & R. Standen, 1896 - syn of: Rissoina imbricata A.A. Gould, 1861 - (RISSOINIDAE)
- entemma, Miraclathurella entemma W.P. Woodring, 1928 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- entemna, Miraclathurella entemna Woordring, 1928 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- entemna, Miraclathurella entemna W.P. Woodring, 1928 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- Entemnotrochus, Genus Entemnotrochus P. Fischer, 1885 (PLEUROTOMARIIDAE)
- ENTEROCTOPODIDAE Strugnell, Norman, Vecchione & al., 2014 - Family (CEPHALOPODA-COLEOIDEA [Subclass]-OCTOPODIFORMES [Superorder]-OCTOPODA [Order]-INCIRRATA [Suborder]-OCTOPODOIDEA [Superfamily])
- Enteroctopus, Genus Enteroctopus A. de Rochebrune & J.F. Mabille, 1889 (ENTEROCTOPODIDAE)
- Enterodonta, syn of: Genus Laemodonta R.A. Philippi, 1846 (ELLOBIIDAE)
- enteromorphae, Aplysia enteromorphae T.D.A. Cockerell & C.N.E. Eliot, 1905 - syn of: Aplysiopsis enteromorphae (T.D.A. Cockerell & C.N.E. Eliot, 1905) - (APLYSIIDAE)
- enteromorphae, Aplysiopsis enteromorphae (T.D.A. Cockerell & C.N.E. Eliot, 1905) - (HERMAEIDAE)
- enteronensis, Pacaudina enteronensis J.J. Vermeulen & al., 2010 † - (ANAHAMULINIDAE) (FOSSIL)
- enteroplax, Schileykula scyphus enteroplax (H.A. Pilsbry, 1922) - (ORCULIDAE)
- Enteroplax, Genus Enteroplax G.P.L.K. Gude, 1899 ? (STROBILOPSIDAE)
- Enteropleura, Genus Enteropleura Kittl, 1912 (HALOBIIDAE) (FOSSIL)
- Enteroxenos, Genus Enteroxenos K.E.H. Bonnevie, 1902 (EULIMIDAE)
- enthalassina, Cernuella enthalassina J.R. Bourguignat in É.A.A. Locard, 1894 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- entienzai, Vaceuchelus entienzai G.T. Poppe & S.P. Tagaro, 2016 - (CHILODONTIDAE)
- Entimoceras, Genus Entimoceras Zhuravleva, 1972 (DISCOSORIDA (UNASSIGNED)) (FOSSIL)
- entobapta, Venus entobapta I.H. Jonas, 1845 - syn of: Chione undatella (G.B. I Sowerby, 1835) - (VENERIDAE)
- entobaptus, Amphidromus entobaptus (W.L.H. Dohrn, 1889) - (CAMAENIDAE)
- entobaptus busuangensis, Amphidromus entobaptus busuangensis P. Bartsch, 1917 - (CAMAENIDAE)
- entobaptus contracta, Amphidromus entobaptus contracta O.F. von Möllendorff, 1896 - (CAMAENIDAE)
- entobaptus coronensis, Amphidromus entobaptus coronensis P. Bartsch, 1917 - (CAMAENIDAE)
- entobaptus culionensis, Amphidromus entobaptus culionensis P. Bartsch, 1917 - (CAMAENIDAE)
- entobaptus linapacensis, Amphidromus entobaptus linapacensis P. Bartsch, 1917 - (CAMAENIDAE)
- entobaptus viridoflavus, Amphidromus entobaptus viridoflavus P. Bartsch, 1917 - (CAMAENIDAE)
- Entochilius, syn of: Genus Stagnicola W.E. Leach in J.G. Jeffreys, 1830 (LYMNAEIDAE)
- entochilus, Stilpnodiscus entochilus O.F. von Möllendorff, 1899 - (BRADYBAENIDAE)
- Entochilus, Subgenus Leptopoma (Entochilus) W. Kobelt & O.F. von Mφllendorff, 1897 (CYCLOPHORIDAE)
- Entocolax, Genus Entocolax W. Voigt, 1888 (EULIMIDAE)
- Entoconcha, Genus Entoconcha H.P.C. Mψller, 1852 (EULIMIDAE)
- ENTOCONCHIDAE - syn of Family: EULIMIDAE
- Entodesma, Genus Entodesma B. Phillips, 1845 (LYONSIIDAE)
- Entodina, Subgenus Systrophia (Entodina) C.M.F. Ancey (SCOLODONTIDAE)
- entodon, Pseudonapaeus entodon (E.C. Von Martens, 1882) - (ENIDAE)
- entodon dextroversa, Buliminus entodon dextroversa C.M.F. Ancey, 1886 - syn of: Pseudonapaeus entodon (E.C. Von Martens, 1882) - (ENIDAE)
- entodonta, Entodina entodonta (L. Pfeiffer, 1859) - (SCOLODONTIDAE)
- Entogonites, Genus Entogonites Kittl, 1904 (ENTOGONITIDAE) (FOSSIL)
- ENTOGONITIDAE Ruzhentsev & Bogoslovskaya, 1971 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-NOMISMOCERATOIDEA [Superfamily]) (FOSSIL)
- entogonum, Neoglyphioceras entogonum (W.M. Gabb, 1861 †) - (GONIATITIDAE) (FOSSIL)
- ENTOLIIDAE Teppner, 1922 - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-PECTINOIDEA [Superfamily])
- Entoliinae, syn of: Genus Cingentolium Yamani, 1983 (ENTOLIIDAE) (FOSSIL)
- Entolioides, Genus Entolioides Teppner, 1922 (ENTOLIOIDESIDAE) (FOSSIL)
- ENTOLIOIDESIDAE Kasum-Zade, 2003 - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-ENTOLIOIDEA [Superfamily]) (FOSSIL)
- ENTOLIOIDIDAE Waller, 2006 - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-PECTINOIDEA [Superfamily]) (FOSSIL)
- Entoliopsis, Genus Entoliopsis Eames, 1951 (PTERIOIDEA (UNASSIGNED)) (FOSSIL)
- Entolium, Genus Entolium Meek, 1865 (ENTOLIIDAE) (FOSSIL)
- Entomella, Genus Entomella Cossmann, 1888 (FISSURELLIDAE) (FOSSIL)
- Entomella, syn of: Genus Emarginula J.B.P.A. Lamarck, 1801 (FISSURELLIDAE)
- entomocheila, Tricolia entomocheila S. Gofas, 1993 - (PHASIANELLIDAE)
- Entomoliva, Genus Entomoliva P. Bouchet & R.N. Kilburn, 1991 (ANCILLARIIDAE)
- Entomonotis, Subgenus Monotis (Entomonotis) Marwick, 1935 (MONOTIDAE) (FOSSIL)
- Entomope, Genus Entomope A.E.M. Cossmann, 1888 (ELACHISINIDAE) (FOSSIL)
- Entomopsis, syn of: Genus Brachioteuthis A.E. Verrill, 1881 (BRACHIOTEUTHIDAE)
- Entomostoma, Subgenus Brazieria (Entomostoma) F.C. Baker, 1941 (TROCHOMORPHIDAE)
- entomostoma, Brazieria entomostoma (J.B. Hombron & C.H. Jacquinot) - (TROCHOMORPHIDAE)
- Entonomenia, Genus Entonomenia E.H.J. Leloup, 1948 (RHOPALOMENIIDAE)
- entopodia, Monogamus entopodia C.F. Lützen, 1976 - (EULIMIDAE)
- entoptyx, Siraphorus entoptyx W.A. Lindholm, 1925 - (ENIDAE)
- Entosiphon, syn of: Genus Gasterosiphon F. Koehler & C. Vaney, 1905 (EULIMIDAE)
- entospinea, Trochostilifer entospinea A. Warén, B.L. Burch & T.A. Burch, 1984 - (EULIMIDAE)
- entospira, Stereozaptyx entospira (H.A. Pilsbry, 1901) - (CLAUSILIIDAE)
- Entovalva, Genus Entovalva A. Voeltzkow, 1890 (MONTACUTIDAE)
- entredosaguas, Elysia entredosaguas J.A. Ortea & J.J. Bacallado, 2014 - (PLAKOBRANCHIDAE)
- entreriana, Natica entreriana A. Borchert, 1901 † - (NATICIDAE) (FOSSIL)
- entrichti, Acirsa entrichti Hölböll in H.P.C. Møller, 1842 - syn of: Acirsa borealis (C. Lyell, 1841) - (EPITONIIDAE)
- entropi, Doxander vittatus entropi (L.M. Man in't Veld & J.S. Visser, 1993) - (STROMBIDAE)
- entzi, Melanopsis entzi Š. Brusina, 1902 † - (MELANOPSIDAE) (FOSSIL)
- entzi halavatsi, Melanopsis entzi halavatsi P.S. Pavlovic, 1927 † - (MELANOPSIDAE) (FOSSIL)
- enucleatum, Exochoceras enucleatum P.A. Zhuravleva, 1972 † - syn of: Chrysoceras tumidum (P.A. Zhuravleva, 1972 †) - (DISCOSORIDA (unassigned)) (FOSSIL)
- enucleatum, Hemiliroceras enucleatum Shimanskiy, 1990 † - (LIROCERATIDAE) (FOSSIL)
- enveris, Subvishnuites enveris Arthaber, 1911 † - (INYOITIDAE) (FOSSIL)
- enwrighti, Macrozafra enwrighti A.W.B. Powell, 1940 - (COLUMBELLIDAE)
- enysi, Proximitra enysi (F.W. Hutton, 1873 †) - (MITRIDAE) (FOSSIL)
- enysi, Scaphander enysi (F.W. Hutton, 1873 †) - (SCAPHANDRIDAE) (FOSSIL)
- enysi, Atamarcia enysi (F.W. Hutton, 1873 †) - (VENERIDAE) (FOSSIL)
- enysi, Spinomelon enysi J. Marwick, 1926 † - (VOLUTIDAE) (FOSSIL)
- enzae, Synthopsis enzae A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- enzenbachensis, Radix enzenbachensis T.A. Neubauer & M. Harzhauser in M. Harzhauser & al., 2014 † - (LYMNAEIDAE) (FOSSIL)
- enzesfeldensis, Conus enzesfeldensis R. Hoernes & M. Auinger, 1879 † - (CONIDAE) (FOSSIL)
- Enzina, syn of: Genus Engina J.E. Gray, 1839 (BUCCINIDAE)
- Enzinopsis, syn of: Genus Engina J.E. Gray, 1839 (BUCCINIDAE)
- enzoi, Nassarius enzoi L. Bozzetti, 2007 - (NASSARIIDAE)
- eo, Doto eo J.A. Ortea & L. Moro, 2014 - (DOTIDAE)
- eoa, Aclis eoa J.C. Melvill, 1896 - (ACLIDIDAE)
- eoa, Euhadra eoa (J.C.H. Crosse, 1868) - (BRADYBAENIDAE)
- eoa, Rotundicardia eoa (Plummer, 1933 †) - (CARDITIDAE) (FOSSIL)
- eoa, Rotundicardia eoa (Gardner 1935) † - (CARDITIDAE) (FOSSIL)
- eoa, Homalopoma eoa M. Azuma, 1972 - (COLLONIIDAE)
- eoa communisiformis, Euhadra eoa communisiformis T. Kanamaru, 1940 - (BRADYBAENIDAE)
- eoa gulicki, Euhadra eoa gulicki H.A. Pilsbry, 1928 - (BRADYBAENIDAE)
- Eoacmaea, Genus Eoacmaea T. Nakano & T. Ozawa, 2007 (EOACMAEIDAE)
- EOACMAEIDAE Nakano & Ozawa, 2007 - Family (GASTROPODA-PATELLOGASTROPODA [Subclass]-EOACMAEOIDEA [Superfamily])
- Eoacrochordiceras, Genus Eoacrochordiceras Wang Yikang, 1978 (ACROCHORDICERATIDAE) (FOSSIL)
- Eoacteon, Genus Eoacteon Stephenson, 1955 (ACTEONINIDAE) (FOSSIL)
- eoaffinis, Falsicolus eoaffinis Finlay, 1930 † - (FASCIOLARIIDAE) (FOSSIL)
- Eoancilla, Genus Eoancilla Stephenson, 1941 (ANCILLARIIDAE) (FOSSIL)
- Eoanditrigonia, Genus Eoanditrigonia Leanza, 1993 (MEGATRIGONIIDAE) (FOSSIL)
- Eoangyomphalus, Genus Eoangyomphalus Blodgett & Johnson, 1992 (GOSSELETINIDAE) (FOSSIL)
- Eoaraxoceras, Genus Eoaraxoceras Spinosa & al., 1970 (ARAXOCERATIDAE) (FOSSIL)
- Eoasianites, Genus Eoasianites Ruzhencev , 1933 (NEOICOCERATIDAE) (FOSSIL)
- Eoasmussia, Genus Eoasmussia Soot-Ryen, 1960 (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- Eoastarte, Genus Eoastarte Ciriacks, 1963 (SCHIZODIDAE) (FOSSIL)
- Eoatlanta, Genus Eoatlanta Cossmann, 1889 (ATLANTIDAE) (FOSSIL)
- Eobactrites, syn of: Genus Bactroceras Holm, 1898 (BALTOCERATIDAE) (FOSSIL)
- Eobactrites
Eobactrites, syn of: Genus Bactroceras Holm, 1898 (BALTOCERATIDAE) (FOSSIL)
- Eobania, Genus Eobania P. Hesse, 1913 (HELICIDAE)
- Eobelemnites, Genus Eobelemnites Flower, 1945 (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- Eobeloceras, Genus Eobeloceras Schindewolf, 1936 (BELOCERATIDAE) (FOSSIL)
- Eoboesites, Subgenus Boesites (Eoboesites) Ruzhencev & Bogoslovskaya, 1978 (DARAELITIDAE) (FOSSIL)
- Eoborus, Genus Eoborus Klappenbach & Olazarri, 1970 (MEGALOBULIMIDAE) (FOSSIL)
- Eobucania, Genus Eobucania Kobayashi, 1955 (TROPIDODISCIDAE) (FOSSIL)
- Eobuccinella, Genus Eobuccinella Stilwell & Zinsmeister, 1992 (BUCCINIDAE) (FOSSIL)
- Eobuchia, Genus Eobuchia Wasmer & Hautmann, 2012 (BUCHIIDAE) (FOSSIL)
- eocaena, Platyla eocaena (Oppenheim, 1895) † - (ACICULIDAE) (FOSSIL)
- eocaena, Vicentinia eocaena (P. Oppenheim, 1890 †) - (ANADROMIDAE) (FOSSIL)
- eocaenica, Pythina eocaenica Raincourt, 1884 † - (LASAEIDAE) (FOSSIL)
- eocaenica, Gemellima eocaenica (de Laubriere 1881) † - (LIMIDAE) (FOSSIL)
- eocaenica, Limea eocaenica Laubriere, 1881 † - (LIMIDAE) (FOSSIL)
- eocaenica, Glossocardia eocaenica J.F. Bayan, 1873 † - (TRAPEZIDAE) (FOSSIL)
- eocaenica, Pelecyora eocaenica H.B. Stenzel & al., 1957 † - (VENERIDAE) (FOSSIL)
- eocaenicum, Lima eocaenicum (Laubriere, 1881 †) - (LIMIDAE) (FOSSIL)
- eocaenicus, Archaeozonites eocaenicus Miller, 1907 † - (ARCHAEOZONITIDAE) (FOSSIL)
- Eocalliostoma, Genus Eocalliostoma Haas, 1953 (PROCONULIDAE) (FOSSIL)
- Eocallista, Genus Eocallista Douvillι, 1921 (CYRENIDAE) (FOSSIL)
- Eocameroceras, Genus Eocameroceras Li in Lu & Lin, 1984 (ENDOCERIDA (UNASSIGNED)) (FOSSIL)
- Eocamptonectes, Genus Eocamptonectes Newell, 1969 (DELTOPECTINIDAE) (FOSSIL)
- Eocanadoceras, Subgenus Puzosia (Eocanadoceras) Anderson, 1958 (DESMOCERATIDAE) (FOSSIL)
- Eocanites, Genus Eocanites Librovitch , 1957 (PROLECANITIDAE) (FOSSIL)
- Eocantharus, Subgenus Cantharus (Eocantharus) B.L. Clark, 1938 (BUCCINIDAE) (FOSSIL)
- eocapsella, Pandora eocapsella C.J.S. Hickman, 2014 † - (PANDORIDAE) (FOSSIL)
- eocenense, Nemocardium eocenense Meyer, 1887 † - (CARDIIDAE) (FOSSIL)
- eocenense, Bovicornu eocenense Meyer, 1886 † - (THECOSOMATA (UNASSIGNED)) (FOSSIL)
- eocenica, Ancilla eocenica Villalta comella, 1956 † - (ANCILLARIIDAE) (FOSSIL)
- eocenica, Mytilopsis eocenica (Oppenheim 1891) † - (DREISSENIDAE) (FOSSIL)
- eocenica, Melanopsis eocenica P.M. Pallary, 1916 † - syn of: Melanopsis antidiluviana (J.L.M. Poiret, 1797 †) - (MELANOPSIDAE) (FOSSIL)
- eocenica, Neverita eocenica T. Nagao, 1928 † - (NATICIDAE) (FOSSIL)
- eocenica, Procyclotopsis eocenica M. Harzhauser & T.A. Neubauer, 2015 † - (POMATIIDAE) (FOSSIL)
- eocenica, Chrysallida eocenica (C.R. Laws, 1941 †) - (PYRAMIDELLIDAE) (FOSSIL)
- eocenica, Petrafixia eocenica Garvie, 1996 † - (PYRAMIMITRIDAE) (FOSSIL)
- eocenica, Attenuata eocenica P.A. Maxwell, 1992 † - (RISSOIDAE) (FOSSIL)
- eocenica, Volutostrombus eocenica Garvie, 2013 † - (STROMBIDAE) (FOSSIL)
- eocenica, Graphis eocenica M.E.A. de Boury, 1887 † - (TOFANELLIDAE) (FOSSIL)
- eocenica, Eotrigonia eocenica T.A. Darragh, 1986 † - (TRIGONIIDAE) (FOSSIL)
- eocenica, Sycospira eocenica K.V.W. Palmer, 1953 † - (VOLUTIDAE) (FOSSIL)
- eocenica, Falsilyria pycnopleura eocenica (K.V.W. Palmer, 1953 †) - (VOLUTIDAE) (FOSSIL)
- eocenica, Xenophora eocenica Abbass, 1967 † - (XENOPHORIDAE) (FOSSIL)
- eocensis, Calliovarica eocensis E.H. Vokes, 1939 † - (CHILODONTIDAE) (FOSSIL)
- Eocephalites, Genus Eocephalites Imlay, 1967 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Eocerithium, Genus Eocerithium Bonarelli, 1927 (CERITHIIDAE) (FOSSIL)
- Eocernina, Genus Eocernina J.A. Gardner & E. Bowles, 1934 (AMPULLINIDAE) (FOSSIL)
- Eochelodes, syn of: Genus Chelodes Davidson & King, 1874 (MATTHEVIIDAE) (FOSSIL)
- Eochetoceras, Genus Eochetoceras Spath, 1928 (OPPELIIDAE) (FOSSIL)
- Eochiton, Genus Eochiton Smith & Toomey, 1964 (GOTLANDOCHITONIDAE) (FOSSIL)
- Eocithara, Subgenus Harpa (Eocithara) P. Fischer, 1883 (HARPIDAE)
- Eoclarkoceras, Genus Eoclarkoceras Chen & Qi, 1979 (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- Eoclathurella, Genus Eoclathurella Casey , 1904 (TURRIDAE) (FOSSIL)
- Eocolina, Genus Eocolina Chavan, 1952 (NEWTONIELLIDAE) (FOSSIL)
- Eocoryphella, syn of: Genus Nossis L.S.R. Bergh, 1902 (FLABELLINIDAE)
- Eocrassina, Genus Eocrassina A.E.M. Cossmann, 1913 (KELLIELLIDAE)
- Eocrioceratites, Genus Eocrioceratites Wiedmann , 1973 (HIMANTOCERATIDAE) (FOSSIL)
- Eocryptaenia, Genus Eocryptaenia Koken & Perner, 1925 (EOTOMARIIDAE) (FOSSIL)
- Eocryptaulina, syn of: Genus Umbotropis Perner , 1903 (GOSSELETINIDAE) (FOSSIL)
- Eocuneopsis, Genus Eocuneopsis H. Guo, 1985 (UNIONIDAE)
- Eocyckistomiceras, Genus Eocyckistomiceras (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- Eocyclina, syn of: Genus Cyclina G.P. Deshayes, 1850 (VENERIDAE)
- Eocyclostomiceras, Genus Eocyclostomiceras Chen in Qi & al, 1983 (CYCLOSTOMICERATIDAE) (FOSSIL)
- Eocylichna, Subgenus Cylichna (Eocylichna) J.T. Kuroda & T. Habe, 1952 (CYLICHNIDAE)
- Eocylindroteuthis, Genus Eocylindroteuthis Riegraf , 1980 (BELEMNITELLIDAE) (FOSSIL)
- Eocymatium, Genus Eocymatium A.G. Beu, 1988 (PERSONIDAE) (FOSSIL)
- Eocypraea, Genus Eocypraea Cossmann, 1903 (EOCYPRAEIDAE) (FOSSIL)
- EOCYPRAEIDAE Rafinesque, 1815 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-CYPRAEOIDEA [Superfamily])
- Eocyrtoceras, Genus Eocyrtoceras (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- Eocyrtolites, Genus Eocyrtolites Yό , 1986 (HELCIONELLIDAE) (FOSSIL)
- Eocythara, Genus Eocythara Garvie, 1996 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Eodactylites, syn of: Genus Dactylioceras Simpson, 1855 (DACTYLIOCERATIDAE) (FOSSIL)
- Eodanubites, Genus Eodanubites Wang, 1978 (DANUBITIDAE) (FOSSIL)
- eodelessertiana, Indolyria eodelessertiana (A. Dey, 1961 †) - (VOLUTIDAE) (FOSSIL)
- eodem, Turbonilla eodem A. Peñas & E. Rolán, 1999 - (PYRAMIDELLIDAE)
- Eodentalium, Genus Eodentalium Medina & del Valle, 1985 (DENTALIIDAE) (FOSSIL)
- Eodentalium, syn of: Genus Eudentalium H.A. Pilsbry & B. Sharp, 1897 (DENTALIIDAE)
- eodentatus, Isohoplites eodentatus T.L. Casey, 1961 † - (HOPLITIDAE) (FOSSIL)
- Eoderoceras, Genus Eoderoceras Sowerby, 1815 (EODEROCERATIDAE) (FOSSIL)
- EODEROCERATIDAE Spath, 1929 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-EODEROCERATOIDEA [Superfamily]) (FOSSIL)
- Eodesmoceras, Genus Eodesmoceras Spath, 1923 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Eodiaphragmoceras, Genus Eodiaphragmoceras Chen & Qi, 1979 (PLECTRONOCERATIDAE) (FOSSIL)
- Eodiceras, syn of: Genus Epidiceras Douvillι, 1935 (EPIDICERATIDAE) (FOSSIL)
- Eodictyoptychus, Genus Eodictyoptychus Skelton & El-Asa'ad, 1992 (TRECHMANNELLIDAE) (FOSSIL)
- eodiscus, Periploma eodiscus V.N. Sinelnikova, 1997 † - (PERIPLOMATIDAE) (FOSSIL)
- Eodivaricella, Genus Eodivaricella Chavan, 1951 (LUCINIDAE) (FOSSIL)
- Eodon, Genus Eodon Hall, 1877 (EODONIDAE) (FOSSIL)
- Eodonax, Genus Eodonax Cox, 1929 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- EODONIDAE Carter, D.C. Campbell & M.R. Campbell, 2000 - Family (BIVALVIA-HETERODONTA [Subclass]-ARCHIHETERODONTA [Infraclass]-CARDITIDA [Order]) (FOSSIL)
- Eodouvilleiceras, Genus Eodouvilleiceras Casey, 1961 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Eodrilla, Genus Eodrilla (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Eodrillia, Subgenus Tropisurcula (Eodrillia) Casey, 1904 (CLAVATULIDAE) (FOSSIL)
- Eoectenolites, Genus Eoectenolites Chen & Qi, 1979 (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- Eoeiselia, syn of: Genus Eiselia Dietz, 1911 (ANOMPHALIDAE) (FOSSIL)
- Eofavartia, Genus Eofavartia Merle, 2002 (MURICIDAE) (FOSSIL)
- EOGASTROPODA (UNASSIGNED) - Family (GASTROPODA-EOGASTROPODA [Subclass]) (FOSSIL)
- Eogaudryceras, Genus Eogaudryceras Spath, 1927 (GAUDRYCERATIDAE) (FOSSIL)
- eogea, Vertigo eogea H.A. Pilsbry, 1919 - syn of: Vertigo eogia H.A. Pilsbry, 1919 - (VERTIGINIDAE)
- eogia, Vertigo eogia H.A. Pilsbry, 1919 - (VERTIGINIDAE)
- eogia stagnalis, Vertigo eogia stagnalis J.T. Kuroda, 1941 - (VERTIGINIDAE)
- Eogloborilus, Genus Eogloborilus Qian , 1977 (CIRCOTHECIDAE) (FOSSIL)
- Eogonatus, Subgenus Gonatus (Eogonatus) K.N. Nesis, 1972 (GONATIDAE)
- Eogonioloboceras, Genus Eogonioloboceras Librovitch , 1957 (EOGONIOLOBOCERATIDAE) (FOSSIL)
- EOGONIOLOBOCERATIDAE Ruzhencev & Bogoslovskaya, 1978 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-DIMORPHOCERATOIDEA [Superfamily]) (FOSSIL)
- Eogunnarites, Genus Eogunnarites Matsumoto, 1959 (KOSSMATICERATIDAE) (FOSSIL)
- Eogymnites, Genus Eogymnites Spath , 1951 (GYMNITIDAE) (FOSSIL)
- Eogymnotoceras, Genus Eogymnotoceras Bucher , 1988 (CERATITIDAE) (FOSSIL)
- Eohalobia, Genus Eohalobia Luo & al., 1982 (HALKIERIIDAE) (FOSSIL)
- Eoharpa, Genus Eoharpa Stephenson, 1955 (HARPIDAE) (FOSSIL)
- Eohecticoceras, Genus Eohecticoceras Zeiss, 1959 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Eoheteroceras, Genus Eoheteroceras Vasνcek & Wiedmann, 1994 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Eohormotomina, Genus Eohormotomina Frey & al., 2014 (MURCHISONIIDAE) (FOSSIL)
- Eohyattoceras, Genus Eohyattoceras Glenister & Furnish, 1987 (HYATTOCERATIDAE) (FOSSIL)
- Eoischyrina, syn of: Genus Eoischyrinia Kobayashi , 1933 (ISCHYRINIIDAE) (FOSSIL)
- Eoischyrinia, Genus Eoischyrinia Kobayashi , 1933 (ISCHYRINIIDAE) (FOSSIL)
- eojavanum, Clypeomorus eojavanum C.O. Van Regteren Altena, 1938 - syn of: Cerithium coralium (L.C. Kiener, 1841) - (CERITHIIDAE)
- Eojiangxiceras, Genus Eojiangxiceras Qin , 1986 (ARAXOCERATIDAE) (FOSSIL)
- Eokosmoclymenia, Genus Eokosmoclymenia Czarnocki, 1989 (KOSMOCLYMENIIDAE) (FOSSIL)
- Eolamprotula, Genus Eolamprotula Gu, 1962 (UNIONIDAE)
- Eolatirus, Genus Eolatirus Bellardi, 1884 (FASCIOLARIIDAE) (FOSSIL)
- eolavinia, Turricula eolavinia A.A. Olsson, 1930 † - (CLAVATULIDAE) (FOSSIL)
- Eolegoceras, syn of: Genus Bransonoceras Miller & Parizek, 1948 (METALEGOCERATIDAE) (FOSSIL)
- Eoleptoceras, syn of: Genus Hamulinites Paquier , 1900 (LEPTOCERATOIDIDAE) (FOSSIL)
- Eolepton, Genus Eolepton Oyama, 1973 (MONTACUTIDAE)
- Eolia, syn of: Genus Aeolidia G.L.C.F.D. Cuvier, 1798 (AEOLIDIIDAE)
- Eolida, Genus Eolida J. Fleming, 1828 (AEOLIDIIDAE)
- eolida, Ceratodoris eolida J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Okenia eolida (J.R.C. Quoy & J.P. Gaimard, 1832) - (CHROMODORIDIDAE)
- eolida, Doris eolida J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Okenia eolida (J.R.C. Quoy & J.P. Gaimard, 1832) - (DORIDIDAE)
- eolida, Okenia eolida (J.R.C. Quoy & J.P. Gaimard, 1832) - (GONIODORIDIDAE)
- Eolidia, syn of: Genus Aeolidia G.L.C.F.D. Cuvier, 1798 (AEOLIDIIDAE)
- Eolidina, syn of: Genus Aeolidiella L.S.R. Bergh, 1867 (AEOLIDIIDAE)
- Eolimea, Genus Eolimea Cox, 1969 (LIMIDAE) (FOSSIL)
- eolina, Carocolla eolina P.L. Duclos, 1834 - syn of: Ceres eolina (P.L. Duclos, 1834) - (HELICIDAE)
- eolina, Ceres eolina (P.L. Duclos, 1834) - (PROSERPINELLIDAE)
- eolina, Proserpina eolina P.L. Duclos, 1834 - syn of: Ceres eolina (P.L. Duclos, 1834) - (PROSERPINIDAE)
- Eoliotina, Genus Eoliotina Kollmann, 1982 (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- eolis, Aclis eolis P. Bartsch, 1947 - (ACLIDIDAE)
- Eolis, syn of: Genus Aeolidia G.L.C.F.D. Cuvier, 1798 (AEOLIDIIDAE)
- eolis, Opalia eolis W.J. Clench & H. Turner, 1950 - (EPITONIIDAE)
- eolis, Lucapina eolis I. Pérez Farfante, 1945 - (FISSURELLIDAE)
- eolomitres, Horologica eolomitres (J.C. Melvill & R. Standen, 1896) - (CERITHIOPSIDAE)
- eolus, Buccinum eolus A.V.M.D. D'Orbigny, 1852 † - syn of: Dorsanum lineolatum (J.P.S. Grateloup, 1834 †) - (BUCCINIDAE) (FOSSIL)
- eolus, Leptodesma eolus Kindle, 1909 † - (PTERINEIDAE) (FOSSIL)
- Eolymnium, Subgenus Unio (Eolymnium) Prashad, 1919 (UNIONIDAE)
- Eolytoceras, Genus Eolytoceras Frebold , 1967 (LYTOCERATIDAE) (FOSSIL)
- Eomactra, Subgenus Spisula (Eomactra) Cossmann, 1909 (MACTRIDAE) (FOSSIL)
- Eomadrasites, Genus Eomadrasites Matsumoto, 1955 (KOSSMATICERATIDAE) (FOSSIL)
- eomagna, Eovoluta eomagna (E.H. Vokes, 1939 †) - (VOLUTIDAE) (FOSSIL)
- eomagna, Lapparia eomagna E.H. Vokes, 1939 † - syn of: Eovoluta eomagna (E.H. Vokes, 1939 †) - (VOLUTIDAE) (FOSSIL)
- eomargaritata, Pleurotomella eomargaritata P. Lozouet, 2015 - (RAPHITOMIDAE)
- Eomarshallites, Genus Eomarshallites Medina & Rinaldi, 1986 (KOSSMATICERATIDAE) (FOSSIL)
- Eomathilda, Genus Eomathilda Finlay & Marwick, 1937 (MATHILDIDAE) (FOSSIL)
- Eomegalodus, Genus Eomegalodus Spriestersbach, 1915 (HIPPURITIDA (UNASSIGNED)) (FOSSIL)
- Eomeretrix, Genus Eomeretrix Turner, 1938 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- Eomiltha, Subgenus Gibbolucina (Eomiltha) Cossmann, 1912 (LUCINIDAE) (FOSSIL)
- Eomiodon, Genus Eomiodon Cox, 1935 (NEOMIODONTIDAE) (FOSSIL)
- Eomonotis, Subgenus Monotis (Eomonotis) Grant-Mackie, 1978 (MONOTIDAE) (FOSSIL)
- Eonaias, Genus Eonaias S.J. Marshall, 1929 (UNIONIDAE)
- Eonathorstites, Genus Eonathorstites Tozer , 1994 (NATHORSTITIDAE) (FOSSIL)
- Eonavicula, Subgenus Arca (Eonavicula) Arkell, 1929 (ARCIDAE) (FOSSIL)
- Eonomia, Genus Eonomia F.T. Fόrsich & T.J. Palmer, 1981 (ANOMIIDAE) (FOSSIL)
- Eonomismoceras, Genus Eonomismoceras Kusina, 1974 (NOMISMOCERATIDAE) (FOSSIL)
- Eonovitatus, Genus Eonovitatus Sysoev, 1968 (ALLATHECIDAE) (FOSSIL)
- Eontia, Subgenus Noetia (Eontia) F.S. MacNeil, 1938 (NOETIIDAE)
- eopachus, Cerithiopsis eopachus P. Lozouet, Lesport & Renard, 2001 † - (CERITHIOPSIDAE) (FOSSIL)
- Eopachydiscus, Genus Eopachydiscus Wright, 1955 (PACHYDISCIDAE) (FOSSIL)
- Eopagodea, Genus Eopagodea Frύda & al., 2001 (HOLOPEIDAE) (FOSSIL)
- eopapyratia, Ficus eopapyratia Gardner, 1947 † - (FICIDAE) (FOSSIL)
- Eopapyrina, Genus Eopapyrina Woodring, 1982 (MACTRIDAE) (FOSSIL)
- Eopaquiericeras, Genus Eopaquiericeras Cantu , 2006 (PLATYLENTICERATIDAE) (FOSSIL)
- Eoparalegoceras, Genus Eoparalegoceras Delιpine, 1939 (PSEUDOPARALEGOCERATIDAE) (FOSSIL)
- Eopaziella, Genus Eopaziella Gόrs, 2001 (MURICIDAE) (FOSSIL)
- Eopecten, Genus Eopecten Douvillι , 1897 (PECTINIDAE) (FOSSIL)
- eopermica, Cypricardinia eopermica Biakov, 2005 † - (CYPRICARDINIIDAE) (FOSSIL)
- Eophilobryoidella, Genus Eophilobryoidella Stiller & Chen, 2004 (PHILOBRYIDAE) (FOSSIL)
- Eophyllites, Genus Eophyllites Spath , 1930 (USSURITIDAE) (FOSSIL)
- Eophysema, Genus Eophysema Stewart, 1930 (LUCINIDAE) (FOSSIL)
- eopicta, Neritina eopicta Magne & Vergneau-Saubade, 1974 † - syn of: Vitta picta (A.E.J. Férussac, 1825 †) - (NERITIDAE) (FOSSIL)
- Eopinctada, Genus Eopinctada Tamura, 1961 (PTERIIDAE) (FOSSIL)
- Eoplatyzona, Genus Eoplatyzona Frύda , 1998 (GOSSELETINIDAE) (FOSSIL)
- Eoplax, syn of: Genus Notoplax H. Adams, 1861 (ACANTHOCHITONIDAE)
- Eopleurotoma, Genus Eopleurotoma A.E.M. Cossmann, 1889 (TURRIDAE) (FOSSIL)
- Eoplicatula, Subgenus Plicatula (Eoplicatula) Carter, 1990 (PLICATULIDAE) (FOSSIL)
- Eopolita, Subgenus Oxychilus (Eopolita) C. Pollonera, 1916 (OXYCHILIDAE)
- Eoprodromites, Genus Eoprodromites Work, Mapes & Thompson, 1988 (PROLECANITIDA (UNASSIGNED)) (FOSSIL)
- Eoprosodacna, Genus Eoprosodacna Davidachvili, 1934 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- Eoprotrachyceras, Genus Eoprotrachyceras Tozer , 1980 (TRACHYCERATIDAE) (FOSSIL)
- Eopsephaea, Genus Eopsephaea Fischer, 1883 (VOLUTIDAE) (FOSSIL)
- Eopseuma, Genus Eopseuma N.H. Odhner, 1919 (CHAMIDAE)
- Eopsiloceras, Genus Eopsiloceras Spath , 1930 (USSURITIDAE) (FOSSIL)
- Eopteria, Genus Eopteria Billings , 1865 (EOPTERIIDAE) (FOSSIL)
- eopteriformis, Euchasma eopteriformis Kobayashi, 1933 † - (EOPTERIIDAE) (FOSSIL)
- EOPTERIIDAE Miller, 1889 - Family (ROSTROCONCHIA-CONOCARDIIDA [Order]-EOPTERIOIDEA [Superfamily]) (FOSSIL)
- Eopterinea, Genus Eopterinea Fang & Cope, 2004 (PTERINEIDAE) (FOSSIL)
- Eoptychia, Genus Eoptychia Longstaff, 1933 (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- Eopustularia, Genus Eopustularia Fehse, 2010 (CYPRAEIDAE) (FOSSIL)
- Eoquickia, Genus Eoquickia Harzhauser & Neubauer, 2015 (SUCCINEIDAE) (FOSSIL)
- Eoradiolites, Genus Eoradiolites Douvillι, 1909 (RADIOLITIDAE) (FOSSIL)
- Eoranella, Genus Eoranella Sayn, 1932 (COLOMBELLINIDAE) (FOSSIL)
- Eorex, Genus Eorex Nutzel, 1998 (TRIPHORIDAE) (FOSSIL)
- eorivularis, Ostrea eorivularis K. Oyama & A. Mizuno, 1958 † - (OSTREIDAE) (FOSSIL)
- Eorizoceras, Genus Eorizoceras Flower, 1943 (GRACILOCERATIDAE) (FOSSIL)
- Eorrachis, syn of: Genus Rhachistia M.T. Connolly, 1925 (CERASTUIDAE)
- Eorrhachis, syn of: Genus Rhachistia M.T. Connolly, 1925 (CERASTUIDAE)
- Eorudolfoceras, Genus Eorudolfoceras Krφger & Landing, 2007 (ELLESMEROCERATIDAE) (FOSSIL)
- eos, Amastra eos H.A. Pilsbry & C.M. Cooke, 1914 - (AMASTRIDAE)
- eos, Sellanarcestes eos Klug, 2002 † - (ANARCESTIDAE) (FOSSIL)
- eos, Kalidos eos (W.L.H. Dohrn, 1882) - (ARIOPHANTIDAE)
- eos, Euhadra eos J.C.H. Crosse, 1868 - syn of: Euhadra eoa (J.C.H. Crosse, 1868) - (BRADYBAENIDAE)
- eos, Neptunea eos (J.T. Kuroda, 1931 †) - (BUCCINIDAE) (FOSSIL)
- eos, Naesiotus eos N.H. Odhner, 1951 - (BULIMULIDAE)
- eos, Bruceina eos (B.A. Marshall, 1988) - (CALLIOSTOMATIDAE)
- eos, Herbertina eos B.A. Marshall, 1988 - syn of: Bruceina eos (B.A. Marshall, 1988) - (CALLIOSTOMATIDAE)
- eos, Frigidocardium eos (J.T. Kuroda, 1929) - (CARDIIDAE)
- eos, Cardium eos J.T. Kuroda, 1929 - syn of: Frigidocardium eos (J.T. Kuroda, 1929) - (CARDIIDAE)
- eos, Phenacohelix eos B. Marshall & T.H. Worthy, 2017 - (CHAROPIDAE)
- eos, Diestoceras eos (J.W. Hall & R.P. Whitfield, 1875 †) - (DIESTOCERATIDAE) (FOSSIL)
- eos, Glycymeris eos Berezovsky, 2015 † - (GLYCYMERIDIDAE) (FOSSIL)
- eos, Parachiton eos H. Saito, 1996 - (LEPTOCHITONIDAE)
- eos, Dentimargo eos Roth, 1973 - (MARGINELLIDAE)
- eos, Prototyphis eos (F.W. Hutton, 1873) - (MURICIDAE)
- eos, Enixotrophon eos (B.A. Marshall & R. Houart, 2011) - (MURICIDAE)
- eos, Gari eos R.C. Willan, 1993 - (PSAMMOBIIDAE)
- eos, Pseudopomatias eos H.A. Pilsbry & Y. Hirase, 1905 - (PUPINIDAE)
- eos, Calliobasis eos B.A. Marshall, 1983 † - (SEGUENZIIDAE) (FOSSIL)
- eos, Omanidacna eos Harzhausesr & Mandic 2006 † - (TRIDACNIDAE) (FOSSIL)
- eos, Omanidacna eos M. Harzhauser & al., 2008 † - (TRIDACNIDAE) (FOSSIL)
- eos, Trivellona eos (S.R. Roberts, 1913) - (TRIVIIDAE)
- eos, Trivia eos S.R. Roberts, 1913 - syn of: Trivellona eos (S.R. Roberts, 1913) - (TRIVIIDAE)
- eos paupereques, Prototyphis eos paupereques (A.W.B. Powell, 1974) - (MURICIDAE)
- eosae, Attiliosa eosae Espinosa & Ortea, 2016 - (MURICIDAE)
- Eosagenites, Genus Eosagenites Tozer , 1971 (EOSAGENITIDAE) (FOSSIL)
- EOSAGENITIDAE Tozer, 1994 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-PTYCHITOIDEA [Superfamily]) (FOSSIL)
- Eosarcolites, Genus Eosarcolites Mitchell, 2013 (ANTILLOCAPRINIDAE) (FOSSIL)
- Eosassia, Genus Eosassia Bandel & Dockery, 2012 (COLOMBELLINIDAE) (FOSSIL)
- Eoscaphander, syn of: Genus Scaphander P.D. Montfort, 1810 (SCAPHANDRIDAE)
- Eoscaphella, Genus Eoscaphella Stilwell & Zinsmeister, 1992 (VOLUTIDAE) (FOSSIL)
- Eoscaphites, Genus Eoscaphites Breistroffer , 1947 (SCAPHITIDAE) (FOSSIL)
- Eoschistoceras, Genus Eoschistoceras Ruzhencev , 1952 (SCHISTOCERATIDAE) (FOSSIL)
- EOSCHIZODIDAE Newell & Boyd, 1975 - Family (BIVALVIA-PALAEOHETERODONTA [Subclass]-TRIGONIIDA [Order]-TRIGONIOIDEA [Superfamily]) (FOSSIL)
- Eoschizodus, Genus Eoschizodus Cox, 1951 (EOSCHIZODIDAE) (FOSSIL)
- Eoscobinella, Genus Eoscobinella Powell, 1942 (CONOIDEA (UNASSIGNED)) (FOSSIL)
- Eoscoliostoma, Genus Eoscoliostoma Frύda & al., 2002 (SCOLIOSTOMATIDAE) (FOSSIL)
- Eoseebachia, Subgenus Seebachia (Eoseebachia) Fόrsich & al., 2000 (ASTARTIDAE) (FOSSIL)
- Eosephaea, Genus Eosephaea P. Fischer, 1883 (VOLUTIDAE) (FOSSIL)
- Eoshumardites, Genus Eoshumardites Popov 1960 (PARASHUMARDITIDAE) (FOSSIL)
- Eosinica, Genus Eosinica Aldrich, 1903 (UMBRACULIDAE) (FOSSIL)
- Eosinocerithium, Genus Eosinocerithium Nόtzel & al., 2002 (PROPUPASPIRIDAE) (FOSSIL)
- Eosipho, Genus Eosipho K.H.J. Thiele, 1929 (BUCCINIDAE)
- Eosiphon, syn of: Genus Eosipho K.H.J. Thiele, 1929 (BUCCINIDAE)
- Eosiphonalia, Genus Eosiphonalia Ruth, 1942 (BUCCINIDAE) (FOSSIL)
- eosmithi, Eocypraea eosmithi (T.H. Aldrich, 1886 †) - (EOCYPRAEIDAE) (FOSSIL)
- Eosoconus, Genus Eosoconus Yό, 1979 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Eosolariella, Subgenus Solariella (Eosolariella) Haas, 1953 (SOLARIELLIDAE) (FOSSIL)
- Eosolarium, Genus Eosolarium Chavan, 1947 (ARCHITECTONICIDAE) (FOSSIL)
- Eosolen, Subgenus Solena (Eosolen) C.C. Stewart, 1930 (SOLENIDAE) (FOSSIL)
- Eosomichelinoceras, Genus Eosomichelinoceras Chen, 1974 (BALTOCERATIDAE) (FOSSIL)
- eospila, Ficus eospila (F. Péron & C.A. Lesueur, 1807) - (FICIDAE)
- eospila, Ficus eospila F. Péron & C.A. Lesueur, 1807 - syn of: Ficus eospila (F. Péron & C.A. Lesueur, 1807) - (FICIDAE)
- Eosteinmannites, Genus Eosteinmannites Tatzreiter , 1980 (STEINMANNITIDAE) (FOSSIL)
- Eostrea, syn of: Genus Ostrea C. Linnaeus, 1758 (OSTREIDAE)
- Eostrea, syn of: Genus Ostrea C. Linnaeus, 1758 (OSTREIDAE)
- Eostrobilops, Subgenus Strobilops (Eostrobilops) H.A. Pilsbry, 1927 (STROBILOPSIDAE)
- Eosturia, Genus Eosturia Bando & Ehiro, 1982 (PTYCHITIDAE) (FOSSIL)
- eosulcata, Chama eosulcata Pezant, 1911 † - syn of: Chama cosulcata Pezant, 1911 † - (CHAMIDAE) (FOSSIL)
- Eosurcula, Genus Eosurcula Cooper, 1894 (TURRIDAE) (FOSSIL)
- Eosyngastrioceras, Genus Eosyngastrioceras Titus, 2000 (GLAPHYRITIDAE) (FOSSIL)
- Eotebenna, Genus Eotebenna Runnegar & Jell, 1976 (YOCHELCIONELLIDAE) (FOSSIL)
- Eoteredo, Genus Eoteredo P. Bartsch, 1923 (TEREDINIDAE)
- Eotetragonites, Subgenus Eogaudryceras (Eotetragonites) Breistroffer, 1947 (GAUDRYCERATIDAE) (FOSSIL)
- eotexanus, Boesites eotexanus Wagner-Gentis, 1971 † - (DARAELITIDAE) (FOSSIL)
- Eothalassoceras, Genus Eothalassoceras Miller & Furnish, 1940 (THALASSOCERATIDAE) (FOSSIL)
- eothalassoides, Delepinoceras eothalassoides Wagner-Gentis, 1963 † - (DELEPINOCERATIDAE) (FOSSIL)
- Eothesbia, Genus Eothesbia Finlay & Marwick, 1937 (CONOIDEA (UNASSIGNED)) (FOSSIL)
- Eothetidites, Genus Eothetidites Tozer , 1994 (THETIDITIDAE) (FOSSIL)
- Eothinites, Genus Eothinites Ruzhencev , 1933 (METALEGOCERATIDAE) (FOSSIL)
- Eothinoceras, Genus Eothinoceras Ulrich & al., 1944 (BATHMOCERATIDAE) (FOSSIL)
- EOTHINOCERATIDAE Ulrich & al., 1944 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ELLESMEROCERIDA [Order]) (FOSSIL)
- Eotibia, Subgenus Tibia (Eotibia) Clark, 1942 (ROSTELLARIIDAE) (FOSSIL)
- Eotissotia, Genus Eotissotia Barber , 1957 (PSEUDOTISSOTIIDAE) (FOSSIL)
- Eotomaria, Genus Eotomaria Ulrich & Scoffield, 1897 (EOTOMARIIDAE) (FOSSIL)
- EOTOMARIIDAE Wenz, 1938 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-EOTOMARIOIDEA [Superfamily]) (FOSSIL)
- Eotrapezium, Subgenus Isocyprina (Eotrapezium) Douvillι, 1912 (ARCTICIDAE) (FOSSIL)
- eotriassica, Anoptychia eotriassica Batten & A. Stokes, 1986 † - syn of: Battenizyga eotriassica (Batten & A. Stokes, 1986 †) - (ANOPTYCHIIDAE) (FOSSIL)
- eotriassica, Battenizyga eotriassica (Batten & A. Stokes, 1986 †) - (PROTORCULIDAE) (FOSSIL)
- Eotricolia, Subgenus Tricolia (Eotricolia) J.T. Kuroda & T. Habe, 1952 (PHASIANELLIDAE)
- Eotrigonia, Genus Eotrigonia Cossmann, 1912 (TRIGONIIDAE) (FOSSIL)
- Eotrimeroceras, Genus Eotrimeroceras Foerste, 1928 (TRIMEROCERATIDAE) (FOSSIL)
- Eotripteroceras, Genus Eotripteroceras Flower, 1943 (MICHELINOCERATIDAE) (FOSSIL)
- Eotrivia, Genus Eotrivia Schilder, 1924 (TRIVIIDAE) (FOSSIL)
- Eotrochactaeon, Genus Eotrochactaeon Akopyan, 1972 (CEPHALASPIDA (UNASSIGNED)) (FOSSIL)
- Eotrochus, Genus Eotrochus Whitfield, 1882 (PSEUDOPHORIDAE) (FOSSIL)
- Eotropitoides, syn of: Genus Neophlycticeras Spath , 1922 (LYELLICERATIDAE) (FOSSIL)
- Eotumaroceras, syn of: Genus Paragastrioceras Tchernow , 1907 (PARAGASTRIOCERATIDAE) (FOSSIL)
- Eoturris, Genus Eoturris Finlay & Marwick, 1937 (CONOIDEA (UNASSIGNED)) (FOSSIL)
- Eotympanotonus, Subgenus Tympanotonos (Eotympanotonus) A.L. Chavan, 1952 (POTAMIDIDAE)
- eoum, Orthoceras eoum C.H. Blake, 1882 † - syn of: Polymeres demetarum Murchison, 1839 † - (ORTHOCERATIDAE) (FOSSIL)
- Eoursiviva, Genus Eoursiviva (MYIDA (UNASSIGNED)) (FOSSIL)
- Eoursivivas, Genus Eoursivivas Ota, 1964 (CORBULIDAE) (FOSSIL)
- eous, Pecten eous J.C. Melvill, 1907 - syn of: Similipecten eous (J.C. Melvill in J.C. Melvill & R. Standen, 1907) - (PECTINIDAE)
- eous, Similipecten eous (J.C. Melvill in J.C. Melvill & R. Standen, 1907) - (PROPEAMUSSIIDAE)
- eous, Crassispira eous A. Ekdale, 1974 - (PSEUDOMELATOMIDAE)
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