- elfa, Anodontites elfa W.B. Marshall, 1928 - syn of: Anodontites patagonica J.B.P.A. Lamarck, 1819 - (MYCETOPODIDAE)
- elfari, Amaurospina elfari Abbass, 1967 † - (NATICIDAE) (FOSSIL)
- Elfdaliana, Genus Elfdaliana Martynov & Korshunova, 2015 (POLYCERIDAE)
- elfica, Ledella elfica Viegas, N.P. Benaim & R.S. Absalão, 2014 - (NUCULANIDAE)
- elfina, Pleuroxia elfina T. Iredale, 1939 - (CAMAENIDAE)
- elforti, Linguella elforti H.M.D. de Blainville, 1825 - syn of: Armina quadrilateralis (L.S.R. Bergh, 1860) - (ARMINIDAE)
- elfortiana, Linguella elfortiana H.M.D. de Blainville, 1823 - (ARMINIDAE)
- elfortiana, Onchidoris elfortiana H.M.D. de Blainville, 1816 - syn of: Onchidoris bilamellata (C. Linnaeus, 1767) - (ONCHIDORIDIDAE)
- elfortii, Glaucus elfortii H.M.D. de Blainville, 1825 - syn of: Glaucus atlanticus F. Forster, 1777 - (GLAUCIDAE)
- elginensis, Platyscaphites elginensis Cobban, J. Kennedy & Landman, 1999 † - (SCAPHITIDAE) (FOSSIL)
- elgini, Moremanoceras elgini (A.T. Young, 1958 †) - (DESMOCERATIDAE) (FOSSIL)
- Elgonella, Genus Elgonella Preston, 1914 (HYGROMIIDAE)
- elgonense, Pseudopeas elgonense M. Connolly, 1923 - (SUBULINIDAE)
- Elgonocyclus, Genus Elgonocyclus B. Verdcourt, 1982 (CYCLOPHORIDAE)
- elgoyhenae, Volvarina elgoyhenae J.A. Ortea, 2014 - (MARGINELLIDAE)
- elhassanii, Kourazoceras elhassanii Becker, 2002 † - (TORNOCERATIDAE) (FOSSIL)
- Elia, Genus Elia H. Adams & A. Adams, 1855 (CLAUSILIIDAE)
- eliaca, Josephinella eliaca (W. Kobelt, 1893) - (HELICIDAE)
- eliae, Paludinella eliae A. Paladilhe, 1875 - syn of: Paludinella sicana (G.A. Brugnone, 1876) - (ASSIMINEIDAE)
- eliae, Monacha eliae (G. Nägele, 1906) - (HYGROMIIDAE)
- eliai, Akera eliai Shalem, 1928 † - syn of: Hamlinia eliai (Shalem, 1928 †) - (AKERIDAE) (FOSSIL)
- eliai, Hamlinia eliai (Shalem, 1928 †) - (CYLINDROBULLINIDAE) (FOSSIL)
- elialae, Hastulopsis elialae (U. Aubry, 1994) - (TEREBRIDAE)
- eliana, Luciella eliana (de Koninck, 1844 †) - (LUCIELLIDAE) (FOSSIL)
- Eliana, Subgenus Patella (Eliana) J.M.J. Christiaens, 1973 (PATELLIDAE)
- eliana, Pleurotomaria eliana de Koninck, 1844 † - syn of: Luciella eliana (de Koninck, 1844 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- elianeae, Mitrella elianeae L. Bozzetti, 2006 - (COLUMBELLIDAE)
- Elianella, Genus Elianella M.R. Cooper, 2015 † (RUTITRIGONIIDAE) (FOSSIL)
- eliasi, Baculites eliasi Cobban, 1958 † - (BACULITIDAE) (FOSSIL)
- eliasi, Gonioloboceratoides eliasi (Miller & Owen, 1939 †) - (GONIOLOBOCERATIDAE) (FOSSIL)
- eliasi, Bilinguites eliasi G.E. Manger & F.L. Saunders, 1980 † - (RETICULOCERATIDAE) (FOSSIL)
- eliasi, Fabella eliasi Kokay 1996 † - (SPORTELLIDAE) (FOSSIL)
- eliator, Buccinum eliator A.T. von Middendorff, 1849 - syn of: Boreotrophon clathratus (C. Linnaeus, 1767) - (BUCCINIDAE)
- eliceans, Busycon carica eliceans P.D. Montfort, 1810 - (BUSYCONIDAE)
- elieporoii, Pseudolibera elieporoii A.F. Sartori, O. Gargominy & Fontaine, 2014 - (ENDODONTIDAE)
- eliezeri, Caecum eliezeri R.S. Absalão, 1997 - (CAECIDAE)
- eliezeri, Cadulus eliezeri C.H. Caetano, Scarabino & R.S. Absalão, 2006 - (GADILIDAE)
- eligma, Natiria eligma Pan, 1982 † - (CRASPEDOSTOMATIDAE) (FOSSIL)
- ELIGMIDAE Gill, 1871 † - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-OSTREIDA [Order]-OSTREOIDEA [Superfamily]) (FOSSIL)
- Eligmoloxus, syn of: Genus Pseudomelania Pictet & Campiche, 1862 † (PSEUDOMELANIIDAE) (FOSSIL)
- eligmostoma, Vaginella eligmostoma R. Tate, 1887 † - (CAVOLINIIDAE) (FOSSIL)
- Eligmostoma, Genus Eligmostoma A.E.M. Cossmann, 1888 † (TURRITELLIDAE) (FOSSIL)
- Eligmus, Genus Eligmus Eudes-Deslongchampes, 1856 † (MALLEIDAE) (FOSSIL)
- elima, Cerithiopsis elima W.H. Dall, 1927 - (CERITHIOPSIDAE)
- elima, Vexillum elima C.N. Cate, 1963 ex Dall MS - syn of: Vexillum micra H.A. Pilsbry, 1921 - (COSTELLARIIDAE)
- elima, Mitra elima C.N. Cate, 1963 ex Dall MS - syn of: Vexillum micra H.A. Pilsbry, 1921 - (MITRIDAE)
- Elimata, Genus Elimata Dickins, 1963 † (LIMIDAE) (FOSSIL)
- elimata, Macoma elimata R.M. Dunnill & E.V. Coan, 1968 - (TELLINIDAE)
- elimatula, Proxichione elimatula T.A. Darragh, 2010 - (VENERIDAE)
- elimatum, Haploceras carachtheis elimatum (Oppel, 1865 †) - (HAPLOCERATIDAE) (FOSSIL)
- elimatus, Haploceras elimatus Oppel, 1870 † - (HAPLOCERATIDAE) (FOSSIL)
- elimatus, Spinomelon elimatus J. Marwick, 1931 † - (VOLUTIDAE) (FOSSIL)
- Elimia, Genus Elimia H. Adams & A. Adams, 1854 (PLEUROCERIDAE)
- elinae, Gonyostomus elinae Simone, 2016 - (STROPHOCHEILIDAE)
- elinguis, Moerella elinguis P.O. Jung, 1969 † - (TELLINIDAE) (FOSSIL)
- elinguor, Ledella elinguor (R.N. Kilburn, 1994) - (NUCULANIDAE)
- elinguor, Yoldiella elinguor R.N. Kilburn, 1994 - syn of: Ledella elinguor (R.N. Kilburn, 1994) - (YOLDIIDAE)
- elinorae, Tannuella elinorae P. Brock & A.H. Patterson, 2004 † - (HELCIONELLIDAE) (FOSSIL)
- eliora, Tambja eliora (Er. Marcus & Ev. Marcus, 1967) - (POLYCERIDAE)
- elioti, Cryptoplax elioti H.A. Pilsbry, 1901 - (CRYPTOPLACIDAE)
- elioti, Cuthonella elioti N.H. Odhner, 1944 - (CUTHONELLIDAE)
- elioti, Triopha elioti O'Donoghue, 1921 - syn of: Triopha catalinae (J.G. Cooper, 1863) - (POLYCERIDAE)
- elioti, Runcinida elioti (K. Baba, 1937) - (RUNCINIDAE)
- elioti, Volvatella elioti (J. Evans, 1950) - (VOLVATELLIDAE)
- Eliotia, Genus Eliotia A.J.B.M. Vayssière, 1909 (MADRELLIDAE)
- eliotti, Angulithes eliotti H.B. Stenzel, 1940 † - (HERCOGLOSSIDAE) (FOSSIL)
- eliptica, Gulella eliptica (J.C. Melvill & J.H. Ponsonby, 1898) - (STREPTAXIDAE)
- elisa, Calliostoma elisa A.A. Gould, 1849 - syn of: Turcica maculata (J.W. Brazier, 1877) - (CALLIOSTOMATIDAE)
- elisa, Perrinia elisa (A.A. Gould, 1849) - (CHILODONTIDAE)
- elisa, Pleurotomella elisa K.H.J. Thiele, 1925 - (RAPHITOMIDAE)
- elisa, Decorifer elisa T. Iredale, 1937 - (RETUSIDAE)
- Elisa, syn of: Genus Urocyclus J.E. Gray, 1864 (UROCYCLIDAE)
- elisabethae, Platyla elisabethae (I. Pintér & A. Szigethy, 1973) - (ACICULIDAE)
- elisabethae, Peltoceratoides elisabethae Jeannet, 1951 † - (ASPIDOCERATIDAE) (FOSSIL)
- elisabethae, Venericardia elisabethae J.M. Pacaud & D. Merle, 2016 † - (CARDITIDAE) (FOSSIL)
- elisabethae, Phaedusa elisabethae (O.F. von Möllendorff, 1881) - (CLAUSILIIDAE)
- elisabethae, Diodora elisabethae E.A. Smith, 1901 - syn of: Diodora elizabethae (E.A. Smith, 1901) - (FISSURELLIDAE)
- elisabethae, Codringtonia elisabethae P. Subai, 2005 - (HELICIDAE)
- elisabethae, Murex elisabethae J.T.L. McGinty, 1940 - syn of: Dermomurex elizabethae J.T.L. McGinty, 1940 - (MURICIDAE)
- elisabethae, Carpathica elisabethae A. Varga, 1977 - (OXYCHILIDAE)
- elisabethae, Dichotomosphinctes elisabethae (Riaz, 1898 †) - (PERISPHINCTIDAE) (FOSSIL)
- elisabethae, Chondropometes magnum elisabethae C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- elisabethae, Unionites elisabethae Patte, 1926 † - (TRIGONODIDAE) (FOSSIL)
- elisabethae matejkoi, Phaedusa elisabethae matejkoi J. Grego & M. Szekeres, 2011 - (CLAUSILIIDAE)
- elisabethae pingguonensis, Phaedusa elisabethae pingguonensis (C. Chen & S.Q. Zhang, 1999) - (CLAUSILIIDAE)
- elisabethina, Chromodoris elisabethina L.S.R. Bergh, 1877 - (CHROMODORIDIDAE)
- elisabethina africana, Chromodoris elisabethina africana C.N.E. Eliot, 1904 - syn of: Chromodoris africana C.N.E. Eliot, 1904 - (CHROMODORIDIDAE)
- elisabettae, Bursa granularis elisabettae Nappo, G. Pellegrini & G. Bonomolo, 2014 - (BURSIDAE)
- elisabettae, Petalopoma elisabettae S. Schiaparelli, 2002 - (SILIQUARIIDAE)
- Elisaconus, Genus Elisaconus J.K. Tucker & M.J. Tenorio, 2013 (CONIDAE)
- elisae, Conus elisae L.C. Kiener, 1846 - syn of: Darioconus pennaceus (I. von Born, 1778) - (CONIDAE)
- elisae, Gibberula elisae L. Bozzetti & T. Cossignani, 2009 - (CYSTISCIDAE)
- elisae, Cookeconcha elisae (C.M.F. Ancey, 1889) - (ENDODONTIDAE)
- elisae, Epitonium elisae L. Bozzetti, 2007 - (EPITONIIDAE)
- elisae, Lucapina elisae P.M.S. Costa & L.R.L. Simone, 2006 - (FISSURELLIDAE)
- elisae, Volvarina elisae A.W.B. Powell, 1958 - syn of: Volvarina ealesae (A.W.B. Powell, 1958) - (MARGINELLIDAE)
- elisae, Megalobulimus elisae A. Falconieri, 1994 - syn of: Megalobulimus elsae A. Falconieri, 1994 - (MEGALOBULIMIDAE)
- elisae, Chicoreus elisae L. Bozzetti, 1991 - (MURICIDAE)
- elisae, Anomalopleuroides elisae (Leonardi, 1943 †) - (PHOLADOMYOIDEA (UNASSIGNED)) (FOSSIL)
- elisae, Alvania elisae Margelli, 2001 - (RISSOIDAE)
- elisae, Leptinaria elisae H.B. Tristram, 1863 - (SUBULINIDAE)
- elisae, Ammotibetites elisae Krystyn, 1982 † - (TIBETITIDAE) (FOSSIL)
- eliseevi, Manticoceras eliseevi Bogoslovsky, 1958 † - (GEPHUROCERATIDAE) (FOSSIL)
- eliseoduartei, Scolodonta eliseoduartei (W.K. Weyrauch, 1966) - (SCOLODONTIDAE)
- elisia, Mactrellona elisia (W.H. Dall, 1915 †) - (MACTRIDAE) (FOSSIL)
- Elisia, syn of: Genus Elysia A. Risso, 1818 (PLAKOBRANCHIDAE)
- Elisma, syn of: Genus Cochlicella A.E.J. Férussac in A. Risso, 1826 (COCHLICELLIDAE)
- Elisolimax, syn of: Genus Urocyclus J.E. Gray, 1864 (UROCYCLIDAE)
- Elisolimx, Genus Elisolimx T.D.A. Cockerell, 1893 (UROCYCLIDAE)
- elissa, Leptadrillia elissa (W.H. Dall, 1919) - (DRILLIIDAE)
- elissa, Cymatosyrinx elissa W.H. Dall, 1919 - syn of: Leptadrillia elissa (W.H. Dall, 1919) - (DRILLIIDAE)
- elissa, Cerodrillia elissa W.H. Dall, 1919 - syn of: Leptadrillia elissa (W.H. Dall, 1919) - (DRILLIIDAE)
- elissoae, Colchidites elissoae Kakabadze, 1971 † - (ANCYLOCERATIDAE) (FOSSIL)
- elitae, Doriopsilla elitae Á. Valdés & J.C. Hamann, 2008 - (DENDRODORIDIDAE)
- elitoralis, Taia elitoralis T.N. Annandale, 1918 - (VIVIPARIDAE)
- elixatus, Pecten elixatus T.A. Conrad, 1846 † - (PECTINIDAE) (FOSSIL)
- eliza, Cerithiopsis eliza W.H. Dall, 1927 - (CERITHIOPSIDAE)
- elizabethae, Ventrilia elizabethae (A.A. Olsson & R.E. Petit, 1964 †) - (CANCELLARIIDAE) (FOSSIL)
- elizabethae, Rhophodon elizabethae J. Stanisic, 1990 - (CHAROPIDAE)
- elizabethae, Phaedusa elizabethae (O.F. von Möllendorff, 1881) - (CLAUSILIIDAE)
- elizabethae, Clionella elizabethae P. Bartsch, 1915 - syn of: Nquma rousi (G.B. III Sowerby, 1886) - (CLAVATULIDAE)
- elizabethae, Fissidentalium elizabethae K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- elizabethae, Diodora elizabethae (E.A. Smith, 1901) - (FISSURELLIDAE)
- elizabethae, Sonorella elizabethae H.A. Pilsbry & J.H. Ferriss, 1906 - syn of: Sonorella huachucana elizabethae H.A. Pilsbry & J.H. Ferriss, 1906 - (HELMINTHOGLYPTIDAE)
- elizabethae, Sonorella huachucana elizabethae H.A. Pilsbry & J.H. Ferriss, 1906 - (HELMINTHOGLYPTIDAE)
- elizabethae, Mangilia elizabethae E.A. Smith, 1910 - syn of: Decipifus consanguineus (G.B. III Sowerby, 1897) - (MANGELIIDAE)
- elizabethae, Dermomurex elizabethae J.T.L. McGinty, 1940 - (MURICIDAE)
- elizabethae, Gracilimurex elizabethae (J.T.L. McGinty, 1940) - syn of: Dermomurex elizabethae J.T.L. McGinty, 1940 - (MURICIDAE)
- elizabethae, Adrana elizabethae J.A. Ortea & J. Espinosa, 2001 - syn of: Adrana scaphoides H.A. Rehder, 1939 - (NUCULANIDAE)
- elizabethae, Chondrothyrella petricosa elizabethae C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- elizabethae, Turbonilla elizabethae H.A. Pilsbry, 1918 - syn of: Styloptygma lacteolum H.B. Preston, 1903 - (PYRAMIDELLIDAE)
- elizabethae, Tellina elizabethae H.A. Pilsbry, 1918 - syn of: Scutarcopagia scobinata (C. Linnaeus, 1758) - (TELLINIDAE)
- elizabethae, Alaerato elizabethae D. Fehse, 2013 - (TRIVIIDAE)
- elizabethae, Badiofaux elizabethae C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- elizabethae, Coelostemma elizabethae (H.A. Pilsbry, 1889) - (UROCOPTIDAE)
- elizabethae, Scaphella junonia elizabethae E.J. Petuch & D.M. Sargent, 2011 - (VOLUTIDAE)
- elizabethensis, Cypraeovula capensis elizabethensis S.T. Rous, 1905 - (CYPRAEIDAE)
- elizabethensis, Ischnochiton elizabethensis H.A. Pilsbry, 1894 - (ISCHNOCHITONIDAE)
- elizabethi, Holopea elizabethi Rohr, 1980 † - (HOLOPEIDAE) (FOSSIL)
- elizabethina, Chromodoris elizabethina L.S.R. Bergh, 1877 - syn of: Chromodoris elisabethina L.S.R. Bergh, 1877 - (CHROMODORIDIDAE)
- elizabethina, Dendrodoris elizabethina (E.F. Kelaart, 1859) - (DENDRODORIDIDAE)
- elizae, Pusia elizae J.C. Melvill, 1889 - syn of: Vexillum infaustum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- elizae, Trochus elizae Moore † - (TROCHIDAE) (FOSSIL)
- elizaldensis, Tetrentodon elizaldensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- Elizia, syn of: Genus Orbicularia G.P. Deshayes, 1850 (PHARIDAE)
- Elkanoceras, Genus Elkanoceras Flower, 1971 † (DISCOSORIDA (UNASSIGNED)) (FOSSIL)
- elkeae, Inquisitor elkeae P. Stahlschmidt, 2013 - (PSEUDOMELATOMIDAE)
- elkeae, Beraua elkeae M. Harzhauser, 2007 † - (TROCHIDAE) (FOSSIL)
- elkhornense, Neoicoceras elkhornense (Miller & Gurley, 1896 †) - (NEOICOCERATIDAE) (FOSSIL)
- elkhornense, Paradiscamphiceras elkhornense Taylor, 1998 † - (PSILOCERATIDAE) (FOSSIL)
- elkhornensis, Goniatites elkhornensis Miller & Gurley, 1896 † - syn of: Neoicoceras elkhornense (Miller & Gurley, 1896 †) - (GONIATITIDAE) (FOSSIL)
- elkingtoni, Tectonatica elkingtoni C. Hedley & W.L. May, 1908 - syn of: Tectonatica shorehami (G.B. Pritchard & J.H. Gatliff, 1900) - (NATICIDAE)
- Elkoceras, Genus Elkoceras Lintz & Lohr, 1958 † (EUOMPHALIDAE) (FOSSIL)
- elkoensis, Crimites elkoensis Miller & al., 1957 † - (ADRIANITIDAE) (FOSSIL)
- ella, Brephodrillia ella (H.A. Pilsbry & H.N. Lowe, 1932) - (DRILLIIDAE)
- ella, Iredalea ella H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Brephodrillia ella (H.A. Pilsbry & H.N. Lowe, 1932) - (DRILLIIDAE)
- ella, Dictyotomaria ella (J.W. Hall, 1876 †) - (GOSSELETINIDAE) (FOSSIL)
- ella, Eucithara ella (K.H.J. Thiele, 1925) - (MANGELIIDAE)
- ella, Euspira ella A.A. Olsson, 1954 † - (NATICIDAE) (FOSSIL)
- ella, Yoldiella ella J.A. Allen, A. Sanders & G. Hannah, 1995 - (YOLDIIDAE)
- ellana, Nassarius ellana T. Iredale, 1936 † - syn of: Tritia burchardi (R.A. Philippi, 1849 †) - (NASSARIIDAE) (FOSSIL)
- ellana, Parcanassa ellana T. Iredale, 1936 † - syn of: Tritia burchardi (R.A. Philippi, 1849 †) - (NASSARIIDAE) (FOSSIL)
- Ellarion, Genus Ellarion Iredale, 1941 (HELICARIONIDAE)
- Ellatrivia, Genus Ellatrivia T. Iredale, 1931 (TRIVIIDAE)
- ellefense, Elleficeras ellefense Kemper & Jeletzky, 1979 † - (POLYPTYCHITIDAE) (FOSSIL)
- ellefensis, Prodichotomites ellefensis Kemper & Jeletzky, 1979 † - (POLYPTYCHITIDAE) (FOSSIL)
- Elleficeras, Subgenus Ringnesiceras (Elleficeras) Kemper & Jeletzky, 1979 † (POLYPTYCHITIDAE) (FOSSIL)
- ellena, Metula ellena A.A. Olsson & F.M. Bayer, 1972 - (BUCCINIDAE)
- ellenae, Bembexia ellenae Conkin, 1957 † - syn of: Glabrocingulum ellenae (Conkin, 1957 †) - (EOTOMARIIDAE) (FOSSIL)
- ellenae, Glabrocingulum ellenae (Conkin, 1957 †) - (GOSSELETINIDAE) (FOSSIL)
- ellenae, Belloliva ellenae Y.I. Kantor & P. Bouchet, 2007 - (OLIVIDAE)
- ellenae, Elysia ellenae J.A. Ortea, J. Espinosa & G.M. Caballer, 2013 - (PLAKOBRANCHIDAE)
- ellenae, Trivellona ellenae Fehse, 2017 - (TRIVIIDAE)
- ellenbergi, Nodularia ellenbergi J. Germain, 1920 - syn of: Coelatura kunenensis (A. Mousson, 1887) - (UNIONIDAE)
- ellenstrongae, Clathropsis ellenstrongae A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- elleryi, Semotrachia elleryi G.A. Solem, 1993 - (CAMAENIDAE)
- elleryi, Tengchiena elleryi (J.W. Brazier, 1875) - (EUCONULIDAE)
- ellesae, Modiolodon ellesae Cope 1999 † - (MODIOMORPHIDAE) (FOSSIL)
- ellesmerensis, Lenotropites ellesmerensis Tozer, 1994 † - (LONGOBARDITIDAE) (FOSSIL)
- ellesmerensis, Thorsteinssonoceras ellesmerensis Jeletzky, 1965 † - (POLYPTYCHITIDAE) (FOSSIL)
- ellesmerensis, Metapronorites ellesmerensis Nassichuk, 1975 † - (PRONORITIDAE) (FOSSIL)
- ellesmerensis, Trettinoceras ellesmerensis Nassichuk, 1975 † - (SCHISTOCERATIDAE) (FOSSIL)
- Ellesmereoceras, syn of: Genus Ellesmeroceras Foerste, 1921 † (ELLESMEROCERATIDAE) (FOSSIL)
- Ellesmeroceras, Genus Ellesmeroceras Foerste, 1921 † (ELLESMEROCERATIDAE) (FOSSIL)
- ELLESMEROCERATIDAE Kobayashi, 1934 † - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ELLESMEROCERIDA [Order]) (FOSSIL)
- ELLESMEROCERIDA (UNASSIGNED) - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ELLESMEROCERIDA [Order]) (FOSSIL)
- Ellicea, syn of: Genus Aeneator H.J. Finlay, 1926 (BUCCINIDAE)
- ellicensis, Tellina ellicensis C. Hedley, 1899 - (TELLINIDAE)
- Ellinoceras, Genus Ellinoceras Balashov, 1960 † (ACTINOCERATIDAE) (FOSSIL)
- ellioti, Cucullaea ellioti Zinsmeister & Macellari, 1988 † - (CUCULLAEIDAE) (FOSSIL)
- ellioti, Platydoris ellioti (J. Alder & A. Hancock, 1864) - (DISCODORIDIDAE)
- ellioti, Doris ellioti J. Alder & A. Hancock, 1864 - syn of: Platydoris ellioti (J. Alder & A. Hancock, 1864) - (DORIDIDAE)
- ellioti, Pseudotachea ellioti W. Kobelt, 1893 - syn of: Pseudotachea litturata (L. Pfeiffer, 1851) - (HELICIDAE)
- ellioti, Hydrobia ellioti Hislop, 1859 † - (HYDROBIIDAE) (FOSSIL)
- ellioti, Schizodus ellioti P.A. Maxwell, 1964 † - (SCHIZODIDAE) (FOSSIL)
- ellioti, Antarctodarwinella ellioti Zinsmeister, 1976 † - (STRUTHIOLARIIDAE) (FOSSIL)
- ellioti, Gongylostoma ellioti F. Poey, 1858 - syn of: Gongylostoma elliotti (F. Poey, 1858) - (UROCOPTIDAE)
- ellioti, Amoria ellioti (G.B. II Sowerby, 1864) - (VOLUTIDAE)
- ellioti, Eoscaphella ellioti J.D. Stilwell & Zinsmeister, 1992 † - (VOLUTIDAE) (FOSSIL)
- elliottae, Mocella elliottae (F.M. Climo, 1969) - (CHAROPIDAE)
- elliottae, Canallodiscus elliottae (N.W. Gardner, 1968) - (CHAROPIDAE)
- elliottae, Lorica elliottae B.C. Cotton & B.J. Weeding, 1939 - (LORICIDAE)
- elliottae, Granulina elliottae (B.C. Cotton, 1944) - (MARGINELLIDAE)
- elliottensis, Liguus fasciatus elliottensis H.A. Pilsbry, 1912 - (ORTHALICIDAE)
- elliotti, Asperiscala elliotti W.G. Mazÿck, 1913 - syn of: Epitonium multistriatum T. Say, 1826 - (EPITONIIDAE)
- elliotti, Zonitoides elliotti (J.H. Redfield, 1856) - (GASTRODONTIDAE)
- elliotti, Deltoidonautilus elliotti H.B. Stenzel, 1940 † - (HERCOGLOSSIDAE) (FOSSIL)
- elliotti, Gongylostoma elliotti (F. Poey, 1858) - (UROCOPTIDAE)
- elliottii, Margaritana elliottii I. Lea, 1858 - syn of: Anodontoides radiatus (T.A. Conrad, 1834) - (MARGARITIFERIDAE)
- elliottii, Amblema elliottii I. Lea, 1856 - (UNIONIDAE)
- Elliottius, Subgenus Ventridens (Elliottius) H.A. Pilsbry, 1946 (GASTRODONTIDAE)
- Ellipsanodon, Subgenus Sinanodonta (Ellipsanodon) Bogatov & Starobogatov, 1996 (UNIONIDAE)
- Ellipsaria, Genus Ellipsaria C.S. Rafinesque, 1820 (UNIONIDAE)
- ellipsiformis, Venustaconcha ellipsiformis (T.A. Conrad, 1836) - (UNIONIDAE)
- ellipsiformis, Pseudanodonta ellipsiformis J.R. Bourguignat, 1880 - syn of: Pseudanodonta middendorffi (Siemaschko, 1848) - (UNIONIDAE)
- ellipsiformis pleasii, Venustaconcha ellipsiformis pleasii W.A. Marsh, 1891 - syn of: Venustaconcha pleasii (W.A. Marsh, 1891) - (UNIONIDAE)
- ellipsis, Cancellaria ellipsis H.A. Pilsbry, 1922 † - syn of: Aphera islacolonis C.J. Maury, 1917 † - (CANCELLARIIDAE) (FOSSIL)
- ellipsis, Limopsis ellipsis Lea, 1833 † - (LIMOPSIDAE) (FOSSIL)
- ellipsis, Pachecoa ellipsis G.F. Harris, 1919 † - (NOETIIDAE) (FOSSIL)
- Ellipsoceras, Subgenus Myloceras (Ellipsoceras) Collignon, 1950 † (LABECERATIDAE) (FOSSIL)
- ellipsoidale, Timanoceras ellipsoidale Bogoslovsky, 1957 † - (GEPHUROCERATIDAE) (FOSSIL)
- ellipsoidale, Gzheloceras ellipsoidale Ruzhentsev & Shimanskiy, 1954 † - (GZHELOCERATIDAE) (FOSSIL)
- ellipsoidale, Condraoceras ellipsoidale Ruzhentsev & Shimanskiy, 1954 † - (LIROCERATIDAE) (FOSSIL)
- ellipsoidale, Paragastrioceras ellipsoidale Fredericks, 1915 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- ellipsoidale, Pisidium ellipsoidale A.E.M. Cossmann, 1886 † - (SPHAERIIDAE) (FOSSIL)
- ellipsoidale, Euroceras ellipsoidale Ruzhentsev & Bogoslovskaya, 1971 † - (STENOGLAPHYRITIDAE) (FOSSIL)
- ellipsoidalis, Hemibactrites ellipsoidalis Shimanskiy, 1954 † - (BACTRITIDAE) (FOSSIL)
- ellipsoidea, Achatinella ellipsoidea A.A. Gould - syn of: Amastra textilis (A.E.J. Férussac, 1825) - (ACHATINELLIDAE)
- ellipsoidea, Cylichnella ellipsoidea (A.A. Gould, 1859) - (CYLICHNIDAE)
- ellipsoidea, Ericusa ellipsoidea R. Tate, 1888 † - (VOLUTIDAE) (FOSSIL)
- ellipsoides, Ovula ellipsoides d'Archiac & Haime 1853 - (OVULIDAE)
- ellipsoideus, Unio ellipsoideus É.A.A. Locard, 1883 - syn of: Unio terminalis J.R. Bourguignat, 1852 - (UNIONIDAE)
- Ellipsoma, syn of: Genus Anculosa T. Say, 1821 (PLEUROCERIDAE)
- ellipsopsis, Anodonta ellipsopsis J.R. Bourguignat, 1881 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- ellipsoptera, Leachia ellipsoptera (A. Adams & L.A. Reeve, 1848) - (CRANCHIIDAE)
- Ellipsoscapha, Genus Ellipsoscapha Stephenson, 1941 † (SCAPHANDRIDAE) (FOSSIL)
- ellipsostomus, Labyrinthus ellipsostomus (L. Pfeiffer, 1854) - (CAMAENIDAE)
- ellipsura, Lolliguncula ellipsura (W.E. Hoyle, 1885) - (LOLIGINIDAE)
- elliptica, Amastra elliptica J.T. Gulick, 1873 - (AMASTRIDAE)
- elliptica, Cyclotropis elliptica J. Perner, 1903 † - syn of: Beraunia elliptica (J. Perner, 1903 †) - (ASSIMINEIDAE) (FOSSIL)
- elliptica, Astarte elliptica (J. Brown, 1827) - (ASTARTIDAE)
- elliptica, Elliptica elliptica T. Brown, 1827 - syn of: Astarte elliptica (J. Brown, 1827) - (ASTARTIDAE)
- Elliptica, syn of: Genus Astarte J. de C. Sowerby, 1816 (ASTARTIDAE)
- elliptica, Basterotia elliptica (C.A. Récluz, 1850) - (BASTEROTIIDAE)
- elliptica, Bucania elliptica Ulrich & Scofield, 1897 † - (BUCANIIDAE) (FOSSIL)
- elliptica, Bulla elliptica Sowerby, 1824 † - syn of: Cylichna elliptica (Sowerby, 1824 †) - (BULLIDAE) (FOSSIL)
- elliptica, Gujocardita elliptica Y. Fang, 1987 † - (CARDITIDAE) (FOSSIL)
- elliptica, Clivunella elliptica Kochansky-Devidé & Sliškovic, 1972 † - (CLAVATULIDAE) (FOSSIL)
- elliptica, Clymenia elliptica Czarnocki, 1989 † - (CLYMENIIDAE) (FOSSIL)
- elliptica, Clymenia elliptica G.G. Münster, 1839 † - syn of: Clymenia laevigata (G.G. Münster, 1832 †) - (CLYMENIIDAE) (FOSSIL)
- elliptica, Cuspidaria elliptica S.I. Di Geronimo, 1974 - (CUSPIDARIIDAE)
- elliptica, Cylichna elliptica (Sowerby, 1824 †) - (CYLICHNIDAE) (FOSSIL)
- elliptica, Erosaria elliptica J.E. Gray, 1825 - syn of: Erosaria spurca (C. Linnaeus, 1758) - (CYPRAEIDAE)
- elliptica, Naticopsis elliptica (B. Phillips, 1836 †) - (DELPHINULOPSIDAE) (FOSSIL)
- elliptica, Streblopteria elliptica (B. Phillips, 1836 †) - (DELTOPECTINIDAE) (FOSSIL)
- elliptica, Clathrospira elliptica W.v. Hisinger, 1837 † - syn of: Deacheospira elliptica (W.v. Hisinger, 1837 †) - (EOTOMARIIDAE) (FOSSIL)
- elliptica, Etheria elliptica J.B.P.A. Lamarck, 1807 - (ETHERIIDAE)
- elliptica, Aximedia elliptica C.S. Rafinesque, 1820 - syn of: Pleurobema clava J.B.P.A. Lamarck, 1819 - (ETHERIIDAE)
- elliptica, Eurydesma elliptica J.B.M. Dana, 1847 † - syn of: Eurydesma cordatum Morris, 1845 † - (EURYDESMATIDAE) (FOSSIL)
- elliptica, Filholia elliptica (J. de C. Sowerby, 1822 †) - (FILHOLIIDAE) (FOSSIL)
- elliptica, Deacheospira elliptica (W.v. Hisinger, 1837 †) - (GOSSELETINIDAE) (FOSSIL)
- elliptica, Grammysioidea elliptica (J.W. Hall & R.P. Whitfield, 1869 †) - (GRAMMYSIIDAE) (FOSSIL)
- elliptica, Cuneamya elliptica Miller, 1881 † - (GRAMMYSIIDAE) (FOSSIL)
- elliptica, Cimomia elliptica (Schafhautl, 1863 †) - (HERCOGLOSSIDAE) (FOSSIL)
- elliptica, Navariella elliptica A. Paladilhe, 1874 - syn of: Belgrandiella saxatilis (P. de Reyniés, 1844) - (HYDROBIIDAE)
- elliptica, Kellia elliptica A. Scacchi, 1833 - syn of: Scacchia oblonga (R.A. Philippi, 1836) - (KELLIIDAE)
- elliptica, Scacchia elliptica A. Scacchi, 1833 - syn of: Scacchia oblonga (R.A. Philippi, 1836) - (LASAEIDAE)
- elliptica, Laternula elliptica (P.P. King, 1832) - (LATERNULIDAE)
- elliptica, Periplomya elliptica (W.M. Gabb, 1862 †) - (LATERNULIDAE) (FOSSIL)
- elliptica, Limatula elliptica J.J.F. Whiteaves, 1861 † - (LIMIDAE) (FOSSIL)
- elliptica, Lima elliptica J.G. Jeffreys, 1864 - syn of: Limatula nivea (G.B. Brocchi, 1814) - (LIMIDAE)
- elliptica, Limatula elliptica J.G. Jeffreys, 1864 - syn of: Limatula nivea (G.B. Brocchi, 1814) - (LIMIDAE)
- elliptica, Lucinella elliptica T. Prime, 1870 - syn of: Sphaerium simile T. Say, 1817 - (LUCINIDAE)
- elliptica, Spisula elliptica (J. Brown, 1827) - (MACTRIDAE)
- elliptica, Anatina elliptica P.P. King & W.J. Broderip, 1832 - syn of: Laternula elliptica (P.P. King, 1832) - (MACTRIDAE)
- elliptica, Raeta elliptica M. Yokoyama, 1922 - syn of: Raeta pulchella (A. Adams & L.A. Reeve, 1850) - (MACTRIDAE)
- elliptica, Lutraria elliptica J.B.P.A. Lamarck, 1801 - syn of: Lutraria lutraria (C. Linnaeus, 1767) - (MACTRIDAE)
- elliptica, Heterocardia elliptica Z. Zhuang, 1983 - syn of: Heterocardia gibbosula G.P. Deshayes, 1855 - (MACTRIDAE)
- elliptica, Palaeoneilo elliptica (G.A. Goldfuss, 1837 †) - (MALLETIIDAE) (FOSSIL)
- elliptica, Margaritana elliptica I. Lea, 1859 - syn of: Anodontoides radiatus (T.A. Conrad, 1834) - (MARGARITIFERIDAE)
- elliptica, Volvarina elliptica (J.H. Redfield, 1870) - (MARGINELLIDAE)
- elliptica, Megateuthis elliptica (J.S. Miller, 1826 †) - (MEGATEUTHIDIDAE) (FOSSIL)
- elliptica, Melanopsis impressa elliptica Handmann, 1887 † - (MELANOPSIDAE) (FOSSIL)
- elliptica, Metoptoma elliptica B. Phillips, 1836 † - (METOPTOMATIDAE) (FOSSIL)
- elliptica, Cymatonota elliptica Ulrich, 1894 † - (MODIOMORPHIDAE) (FOSSIL)
- elliptica, Kurtiella elliptica (Carpenter, 1857) - (MONTACUTIDAE)
- elliptica, Montacuta elliptica Carpenter, 1857 - syn of: Kurtiella elliptica (Carpenter, 1857) - (MONTACUTIDAE)
- elliptica, Tellimya elliptica T. Brown, 1827 - syn of: Tellimya ferruginosa (Montague, 1808) - (MONTACUTIDAE)
- elliptica, Venatomya elliptica (Adams, 1851 †) - (MYIDAE) (FOSSIL)
- elliptica, Dolabra elliptica McCoy † - (MYOPHORICARDIIDAE) (FOSSIL)
- elliptica, Modiolus elliptica H.C. Lea, 1842 - syn of: Musculus lateralis (T. Say, 1822) - (MYTILIDAE)
- elliptica, Crenella elliptica T. Brown, 1827 - syn of: Crenella decussata (G. Montagu, 1808) - (MYTILIDAE)
- elliptica, Musculus elliptica H.C. Lea, 1842 - syn of: Musculus lateralis (T. Say, 1822) - (MYTILIDAE)
- elliptica, Nakamuranaia elliptica X.T. Ma, 1980 † - (NAKAMURANAIADIDAE) (FOSSIL)
- elliptica, Cryptonerita elliptica E.A.L. Kittl, 1894 † - (NERITIDAE) (FOSSIL)
- elliptica, Nuculana elliptica (G.A. Goldfuss, 1837 †) - (NUCULANIDAE) (FOSSIL)
- elliptica, Leda elliptica G.A. Goldfuss, 1837 † - syn of: Nuculana elliptica (G.A. Goldfuss, 1837 †) - (NUCULANIDAE) (FOSSIL)
- elliptica, Pojetaia elliptica Li & W.C. Zhou, 1986 † - syn of: Pojetaia runnegari Jell, 1980 † - (NUCULIDA (unassigned)) (FOSSIL)
- elliptica, Nucula elliptica G.A. Goldfuss, 1837 † - syn of: Nuculana elliptica (G.A. Goldfuss, 1837 †) - (NUCULIDAE) (FOSSIL)
- elliptica, Beraunia elliptica (J. Perner, 1903 †) - (ORIOSTOMATIDAE) (FOSSIL)
- elliptica, Ostrea elliptica H. Dufo, 1840 - syn of: Striostrea margaritacea (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- elliptica, Ostrea elliptica J.B.P.A. Lamarck, 1819 - syn of: Dendostrea cristata (I. von Born, 1778) - (OSTREIDAE)
- elliptica, Crassostrea elliptica H. Dufo, 1840 - syn of: Striostrea margaritacea (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- elliptica, Paracyclas elliptica J.W. Hall, 1843 † - (PARACYCLIDAE) (FOSSIL)
- elliptica, Patella elliptica J. Fleming, 1813 - syn of: Patella pellucida C. Linnaeus, 1758 - (PATELLIDAE)
- elliptica, Lissarca elliptica (C.F. Laseron, 1953) - (PHILOBRYIDAE)
- elliptica, Physella gyrina elliptica (I. Lea, 1834) - (PHYSIDAE)
- elliptica, Stenoclymenia elliptica Czarnocki, 1989 † - (PLATYCLYMENIIDAE) (FOSSIL)
- elliptica, Jiangxiella elliptica H.X. Liu, 1976 † - (PSEUDOCARDINIIDAE) (FOSSIL)
- elliptica, Bolsopteria elliptica (Hind 1910 † - (PTERINEIDAE) (FOSSIL)
- elliptica, Rutotia elliptica (Whidborne, 1889 †) - (PTERIOMORPHIA (UNASSIGNED)) (FOSSIL)
- elliptica, Semele elliptica (G.B. I Sowerby, 1833) - (SEMELIDAE)
- elliptica, Syndesmya elliptica E.A. Smith, 1885 - syn of: Abranda modestina (R. Tate, 1891) - (SEMELIDAE)
- elliptica, Sepia elliptica W.E. Hoyle, 1885 - (SEPIIDAE)
- elliptica, Shaanxiconcha elliptica (Hua, 1965 †) - (SHAANXICONCHIDAE) (FOSSIL)
- elliptica, Janeia elliptica Zhang, 1977 † - (SOLEMYIDAE) (FOSSIL)
- elliptica, Eupera elliptica C.F. Ituarte & M.C.D. Mansur, 1993 - (SPHAERIIDAE)
- elliptica, Basterotella elliptica (C.A. Récluz, 1850 †) - (SPORTELLIDAE) (FOSSIL)
- elliptica, Xianfengoconcha elliptica Zhang, 1980 † - (STENOTHECOIDA INCERTAE SEDIS) (FOSSIL)
- elliptica, Streblochondria elliptica (B. Phillips, 1836 †) - (STREBLOCHONDRIIDAE) (FOSSIL)
- elliptica, Nelltia elliptica (Whiftield 1891) † - (TELLINIDAE) (FOSSIL)
- elliptica, Solyma elliptica (W.M. Gabb, 1861 †) - (TELLINIDAE) (FOSSIL)
- elliptica, Macomopsis elliptica (G.B. Brocchi, 1814 †) - (TELLINIDAE) (FOSSIL)
- elliptica, Tellina elliptica A. Scacchi, 1833 - syn of: Scacchia oblonga (R.A. Philippi, 1836) - (TELLINIDAE)
- elliptica, Macoma elliptica L. Spengler, 1798 - syn of: Tellina magna (L. Spengler, 1798) - (TELLINIDAE)
- elliptica, Thyasira elliptica (A.E. Verrill & K.J. Bush, 1898) - (THYASIRIDAE)
- elliptica, Malea elliptica H.A. Pilsbry & Johnston, 1917 † - (TONNIDAE) (FOSSIL)
- elliptica, Felaniella elliptica (J.B.P.A. Lamarck, 1805 †) - (UNGULINIDAE) (FOSSIL)
- elliptica, Sinanodonta woodiana elliptica (P.M. Heude, 1878) - (UNIONIDAE)
- elliptica, Periglypta elliptica (Hislop, 1859 †) - (VENERIDAE) (FOSSIL)
- elliptica, Tawera elliptica (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- elliptica, Paphonotia elliptica (Sowerby, 1834) - (VENERIDAE)
- elliptica, Venus elliptica J.B.P.A. Lamarck, 1818 - syn of: Tawera elliptica (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- elliptica, Vitrina elliptica T. Brown, 1818 - syn of: Vitrina pellucida (O.F. Müller, 1774) - (VITRINIDAE)
- elliptica, Yoldia elliptica Yokoyama, 1924 † - syn of: Portlandia laudabilis Yokoyama, 1924 † - (YOLDIIDAE) (FOSSIL)
- elliptica alteruta, Lutraria elliptica alteruta J.G. Jeffreys, 1864 - syn of: Lutraria angustior R.A. Philippi, 1844 - (MACTRIDAE)
- elliptica alterutra, Lutraria elliptica alterutra J.G. Jeffreys, 1864 - syn of: Lutraria angustior R.A. Philippi, 1844 - (MACTRIDAE)
- elliptica angustior, Lutraria elliptica angustior R.A. Philippi, 1844 - syn of: Lutraria angustior R.A. Philippi, 1844 - (MACTRIDAE)
- elliptica aroda, Tellina elliptica aroda A. De Gregorio, 1885 - syn of: Macomopsis pellucida (L. Spengler, 1798) - (TELLINIDAE)
- elliptica gracilis, Spisula elliptica gracilis É.A.A. Locard, 1891 - syn of: Spisula elliptica (J. Brown, 1827) - (MACTRIDAE)
- elliptica laeviuscula, Lima elliptica laeviuscula J.G. Jeffreys, 1864 - syn of: Limatula nivea (G.B. Brocchi, 1814) - (LIMIDAE)
- elliptica latior, Lutraria elliptica latior R.A. Philippi, 1844 - syn of: Lutraria lutraria (C. Linnaeus, 1767) - (MACTRIDAE)
- elliptica tongchuanensis, Shaanxiconcha elliptica tongchuanensis (Hua, 1965 †) - (SHAANXICONCHIDAE) (FOSSIL)
- elliptica tubifera, Aetheria elliptica tubifera G.B. I Sowerby, 1825 - syn of: Etheria elliptica J.B.P.A. Lamarck, 1807 - (ETHERIIDAE)
- ellipticoides, Clydonites ellipticoides Laube, 1869 † - syn of: Lobites ellipticoides (Laube, 1869 †) - (CLYDONITIDAE) (FOSSIL)
- ellipticoides, Lobites ellipticoides (Laube, 1869 †) - (LOBITIDAE) (FOSSIL)
- ellipticum, Williamsoceras ellipticum Flower, 1976 † - (ALLOTRIOCERATIDAE) (FOSSIL)
- ellipticum, Levisoceras ellipticum Ulrich & al., 1943 † - (ELLESMEROCERATIDAE) (FOSSIL)
- ellipticum, Cadomoceras ellipticum Buckman † - (HAPLOCERATIDAE) (FOSSIL)
- ellipticum, Myloceras serotinum ellipticum M. Collignon, 1951 † - (LABECERATIDAE) (FOSSIL)
- ellipticum, Lepton ellipticum Carpenter, 1857 - syn of: Kurtiella elliptica (Carpenter, 1857) - (LASAEIDAE)
- ellipticum, Mandaloceras ellipticum F. McCoy † - (MANDALOCERATIDAE) (FOSSIL)
- ellipticum, Anetoceras ellipticum S. Shen, 1975 † - (MIMOSPHINCTIDAE) (FOSSIL)
- ellipticum, Nostoceras ellipticum A. Hyatt 1894 † - (NOSTOCERATIDAE) (FOSSIL)
- ellipticum, Cyrtoceras ellipticum Sobolew, 1912 † - (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- ellipticum, Phragmoceras ellipticum J.W. Hall & R.P. Whitfield, 1875 † - (PHRAGMOCERATIDAE) (FOSSIL)
- ellipticum, Phragmoceras ellipticum Hedstrom, 1917 † - syn of: Phragmoceras hedstroemi Foerste, 1929 † - (PHRAGMOCERATIDAE) (FOSSIL)
- ellipticum, Phthanoncoceras ellipticum (Lossen, 1860 †) - (PHTHANONCOCERATIDAE) (FOSSIL)
- ellipticum, Hypophylloceras ellipticum (Kossmat, 1895 †) - (PHYLLOCERATIDAE) (FOSSIL)
- ellipticum, Partschiceras ellipticum Westermann, 1969 † - (PHYLLOCERATIDAE) (FOSSIL)
- ellipticum, Tropidoceras ellipticum (Sowerby, 1815 †) - (POLYMORPHITIDAE) (FOSSIL)
- ellipticum, Erinoceras ellipticum J.K. Zhao & Zheng, 1977 † - (PSEUDOHALORITIDAE) (FOSSIL)
- ellipticum, Pachydiscoceras ellipticum J.K. Zhao & al., 1978 † - (PSEUDOTIROLITIDAE) (FOSSIL)
- ellipticum, Scyphoceras ellipticum Ruzhentsev & Shimanskiy, 1954 † - (SCYPHOCERATIDAE) (FOSSIL)
- ellipticum, Pisidium ellipticum A. Mori, 1938 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- ellipticum, Tylostoma ellipticum Pictet & Campiche, 1862 † - (TYLOSTOMATIDAE) (FOSSIL)
- ellipticum, Vascoceras ellipticum Barber, 1957 † - (VASCOCERATIDAE) (FOSSIL)
- ellipticus, Eoacteon ellipticus (B. Wade, 1926 †) - (ACTEONINIDAE) (FOSSIL)
- ellipticus, Lanistes ellipticus E.C. Von Martens, 1866 - (AMPULLARIIDAE)
- ellipticus, Lychnus ellipticus Matheron, 1832 † - (ANADROMIDAE) (FOSSIL)
- ellipticus, Colchidites ellipticus Rouchadze, 1933 † - syn of: Martelites ellipticus (Rouchadze, 1933 †) - (ANCYLOCERATIDAE) (FOSSIL)
- ellipticus, Algerites ellipticus Mantell, 1822 † - (ANISOCERATIDAE) (FOSSIL)
- ellipticus, Lobobactrites ellipticus (Frech, 1897 †) - (BACTRITIDAE) (FOSSIL)
- ellipticus, Huishuites ellipticus J.K. Zhao & Wang, 1974 † - (BALATONITIDAE) (FOSSIL)
- ellipticus, Bulimus ellipticus J. de C. Sowerby, 1822 † - syn of: Rillyarex ellipticus J. de C. Sowerby, 1822 † - (BULIMULIDAE) (FOSSIL)
- ellipticus, Rillyarex ellipticus J. de C. Sowerby, 1822 † - (CLAUSILIIDAE) (FOSSIL)
- ellipticus, Pachydon ellipticus Wesselingh, 2006 † - (CORBULIDAE) (FOSSIL)
- ellipticus, Dicharax ellipticus Páll-Gergely, 2017 - (CYCLOPHORIDAE)
- ellipticus, Flowerites ellipticus (Sobolew, 1912 †) - (DISCOSORIDA (UNASSIGNED)) (FOSSIL)
- ellipticus, Donax ellipticus I. Krynicki, 1837 - syn of: Donacilla cornea (G.S. Poli, 1791) - (DONACIDAE)
- ellipticus, Flemingites ellipticus Chao, 1959 † - syn of: Flemingites rursiradiatus Chao, 1959 † - (FLEMINGITIDAE) (FOSSIL)
- ellipticus, Martelites ellipticus (Rouchadze, 1933 †) - (HETEROCERATIDAE) (FOSSIL)
- ellipticus, Diplodon ellipticus (J.B. von Spix & J.A. Wagner, 1827) - (HYRIIDAE)
- ellipticus, Lobites ellipticus (J. Von Hauer, 1860 †) - (LOBITIDAE) (FOSSIL)
- ellipticus, Megaxinus ellipticus (S. Borson, 1825 †) - (LUCINIDAE) (FOSSIL)
- ellipticus, Valenciennius ellipticus Hanganu, 1961 † - (LYMNAEIDAE) (FOSSIL)
- ellipticus, Pyramus ellipticus J.B.M. Dana, 1847 † - syn of: Pyramus laevis (Sowerby, 1838 †) - (MEGADESMIDAE) (FOSSIL)
- ellipticus, Axinodon ellipticus A.E. Verrill & K.J. Bush, 1898 - (MONTACUTIDAE)
- ellipticus, Magilus ellipticus G.B. I Sowerby, 1832 - (MURICIDAE)
- ellipticus, Modiolus ellipticus Guskov & Pogorevitsch, 1984 † - (MYTILIDAE) (FOSSIL)
- ellipticus, Ancylus ellipticus S. Clessin, 1881 - syn of: Ancylus fluviatilis O.F. Müller, 1774 - (PLANORBIDAE)
- ellipticus, Prolobites ellipticus Wedekind, 1908 † - syn of: Prolobites delphinus (C.L.F. von Sandberger, 1856 †) - (PROLOBITIDAE) (FOSSIL)
- ellipticus, Paprothites ellipticus (Ruan, 1981 †) - (PSEUDARIETITIDAE) (FOSSIL)
- ellipticus, Pseudarietites ellipticus Ruan, 1981 † - syn of: Paprothites ellipticus (Ruan, 1981 †) - (PSEUDARIETITIDAE) (FOSSIL)
- ellipticus, Retusa ellipticus A. Adams, 1862 - (RETUSIDAE)
- ellipticus, Solecurtus ellipticus R. Tate, 1887 † - syn of: Solecurtus murrayvianus Finlay, 1927 † - (SOLECURTIDAE) (FOSSIL)
- ellipticus, Sinoceltites ellipticus P. Wei, 1977 † - (TAPASHANITIDAE) (FOSSIL)
- ellipticus, Trochus ellipticus G.A. Goldfuss, 1844 † - (TROCHIDAE) (FOSSIL)
- ellipticus, Jovites ellipticus Tozer, 1994 † - (TROPITIDAE) (FOSSIL)
- ellipticus, Turbo ellipticus Klipstein, 1843 † - (TURBINIDAE) (FOSSIL)
- ellipticus, Pseudodon ellipticus T.A. Conrad, 1865 - (UNIONIDAE)
- ellipticus, Unio ellipticus J.B. von Spix & J.A. Wagner, 1827 - syn of: Diplodon ellipticus (J.B. von Spix & J.A. Wagner, 1827) - (UNIONIDAE)
- ellipticus, Leiophyllites ellipticus Shevyrev, 1995 † - (USSURITIDAE) (FOSSIL)
- ellipticus, Atractites ellipticus Mojsisovics, 1871 † - (XIPHOTEUTHIDIDAE) (FOSSIL)
- ellipticus kvadaurensis, Martelites ellipticus kvadaurensis (Rouchadze, 1933 †) - (HETEROCERATIDAE) (FOSSIL)
- ellipticus luapulensis, Lanistes ellipticus luapulensis F. d'A. Furtado, 1886 - syn of: Lanistes ovum F.H. Troschel, 1845 - (AMPULLARIIDAE)
- ellipticus santanus, Diplodon ellipticus santanus H.F.A. von Ihering, 1910 - syn of: Diplodon besckeanus (R.W. Dunker, 1848) - (HYRIIDAE)
- Elliptio, Genus Elliptio C.S. Rafinesque, 1819 (UNIONIDAE)
- Elliptiolucina, Genus Elliptiolucina R. von Cosel & P. Bouchet, 2008 (LUCINIDAE)
- Elliptoidea, Genus Elliptoidea Tasch, 1961 † (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- Elliptoideus, Subgenus Nephronaias (Elliptoideus) L.S. Frierson, 1927 (UNIONIDAE)
- Elliptotellina, Subgenus Tellina (Elliptotellina) A.E.M. Cossmann, 1886 (TELLINIDAE)
- Elliptovermetus, syn of: Genus Dendropoma O.A.L. Mörch, 1861 (VERMETIDAE)
- elliscrossi, Pusia elliscrossi (G. Rosenberg & R. Salisbury, 1991) - (COSTELLARIIDAE)
- elliscrossi, Chicomurex elliscrossi (R.H. Fair, 1974) - (MURICIDAE)
- elliscrossi, Triplostephanus elliscrossi (T. Bratcher, 1979) - (TEREBRIDAE)
- elliscrossi, Terebra elliscrossi T. Bratcher, 1979 - syn of: Triplostephanus elliscrossi (T. Bratcher, 1979) - (TEREBRIDAE)
- Ellisella, Genus Ellisella Rohr, 1980 (EUOMPHALINA (UNASSIGNED)) (FOSSIL)
- ellisensis, Bucania ellisensis Twenhofel, 1928 † - (BUCANIIDAE) (FOSSIL)
- ellisensis, Subulites ellisensis Twenhofel, 1928 † - (SUBULITIDAE) (FOSSIL)
- ellisi, Pseudoportlandia ellisi (J. Marwick, 1926 †) - (NUCULANIDAE) (FOSSIL)
- ellisi, Pisidium ellisi S.P. Dance, 1967 - (SPHAERIIDAE)
- ellisoni, Cominella ellisoni J. Marwick, 1928 † - (BUCCINIDAE) (FOSSIL)
- ellisoni, Glyptoxoceras ellisoni A.T. Young, 1963 † - (DIPLOMOCERATIDAE) (FOSSIL)
- ellisoni consobrina, Eucominia ellisoni consobrina A.W.B. Powell, 1933 - syn of: Cominella nassoides consobrina A.W.B. Powell, 1933 - (BUCCINIDAE)
- ellitsgaardi, Clisospira ellitsgaardi Peel, 1986 † - (CLISOSPIRIDAE) (FOSSIL)
- ELLOBIIDAE L. Pfeiffer, 1854 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-EUPULMONATA [Order]-ELLOBIOIDEA [Superfamily])
- Ellobium, Genus Ellobium P.F. Röding, 1798 (ELLOBIIDAE)
- ellochena, Chlamys ellochena T. Iredale, 1939 - syn of: Mimachlamys sanguinea (C. Linnaeus, 1758) - (PECTINIDAE)
- Ellsiphon, Subgenus Siphonaria (Ellsiphon) T. Iredale, 1940 (SIPHONARIIDAE)
- ellsworthensis, Ostrea ellsworthensis Logan, 1899 † - syn of: Ostrea kansasensis Logan, 1899 † - (OSTREIDAE) (FOSSIL)
- Ellsworthoconus, Genus Ellsworthoconus Webers & al., 1992 † (SCENELLIDAE) (FOSSIL)
- ellyae, Triphora ellyae D. De Jong & H.E. Coomans, 1988 - (TRIPHORIDAE)
- ellynae, Paraganitus ellynae D.A. Challis, 1968 - (PARHEDYLIDAE)
- Elma, Genus Elma A. Adams, 1866 (STREPTAXIDAE)
- elmana, Nuculana elmana Etherington, 1931 † - (NUCULANIDAE) (FOSSIL)
- Elmerlinia, syn of: Genus Calliostoma W.J. Swainson, 1840 (CALLIOSTOMATIDAE)
- elmii, Reynesocoeloceras elmii Dommergues & al., 2011 † - (DACTYLIOCERATIDAE) (FOSSIL)
- elmii, Mauretaniaceras elmii Meister & al., 2011 † - (HILDOCERATIDAE) (FOSSIL)
- elmii, Holcobelus elmii Weis, Mariotti & Riegraf, 2012 † - (HOLCOBELIDAE) (FOSSIL)
- Elmira, Genus Elmira Cooke, 1919 † (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- elnaggari, Agnocardia elnaggari Abbass, 1972 † - (CARDIIDAE) (FOSSIL)
- elnia, Dallarca elnia (L.C. Glenn, 1904 †) - (ARCIDAE) (FOSSIL)
- elobatus, Aspastus elobatus (A.A. Gould, 1846) - (BOTHRIEMBRYONTIDAE)
- Elobiceras, Genus Elobiceras Spath , 1921 † (BRANCOCERATIDAE) (FOSSIL)
- elobyana, Sepia elobyana W. Adam, 1941 - (SEPIIDAE)
- elocata, Carinodrillia elocata (H.A. Pilsbry & Johnson, 1922 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- elocata meta, Carinodrillia elocata meta W.P. Woodring, 1928 - (PSEUDOMELATOMIDAE)
- elodes, Ladislavella elodes (T. Say, 1821) - (LYMNAEIDAE)
- elodes nuttalliana, Ladislavella elodes nuttalliana (I. Lea, 1841) - (LYMNAEIDAE)
- elodia, Eulima elodia L. de Folin, 1867 - (EULIMIDAE)
- Elodia, syn of: Genus Chrysallida P.P. Carpenter, 1857 (PYRAMIDELLIDAE)
- Elodiamea, syn of: Genus Chrysallida P.P. Carpenter, 1857 (PYRAMIDELLIDAE)
- elodieallaryae, Rhizoconus pertusus elodieallaryae T. Cossignani, 2013 - (CONIDAE)
- eloinae, Gibberula eloinae J. Espinosa & J.A. Ortea, 2007 - (CYSTISCIDAE)
- eloinae, Polystira eloinae Espinosa, Ortea & Moro, 2017 - (TURRIDAE)
- eloisae, Acteon eloisae R.T. Abbott, 1973 - syn of: Punctacteon eloiseae (R.T. Abbott, 1973) - (ACTEONIDAE)
- eloisae, Ancilla eloisae Lhaumet, 2010 - (ANCILLARIIDAE)
- eloisae, Melayonchis eloisae Dayrat, 2017 - (ONCHIDIIDAE)
- eloiseae, Punctacteon eloiseae (R.T. Abbott, 1973) - (ACTEONIDAE)
- eloiseae, Boschitestella eloiseae R.G. Moolenbeek, 1994 - (ORBITESTELLIDAE)
- eloiseae, Omanimerelina eloiseae R.G. Moolenbeek & C. Bosch, 2007 - (RISSOIDAE)
- eloiseae, Umbonium eloiseae S.P. Dance, R.G. Moolenbeek & H. Dekker, 1992 - (TROCHIDAE)
- elokismenos, Fusiconus elokismenos (R.N. Kilburn, 1975) - (CONIDAE)
- elokismenos, Bathyconus elokismenos R.N. Kilburn, 1975 - syn of: Fusiconus elokismenos (R.N. Kilburn, 1975) - (CONIDAE)
- Elona, Genus Elona H. Adams & A. Adams, 1855 (ELONIDAE)
- elonensis, Cristataria elonensis (F. Haas, 1951) - (CLAUSILIIDAE)
- elonga, Astarte elonga G. Høpner Petersen, 2001 - syn of: Astarte elliptica (J. Brown, 1827) - (ASTARTIDAE)
- Elongaria, Genus Elongaria F. Haas, 1913 (UNIONIDAE)
- elongata, Acanthochitona elongata P. Kaas, 1972 - syn of: Acanthochitona balesae R.T. Abbott, 1954 - (ACANTHOCHITONIDAE)
- elongata, Achatinella elongata W. Newcomb - syn of: Amastra elongata (W. Newcomb, 1853) - (ACHATINELLIDAE)
- elongata, Pseudachatina elongata L. Pfeiffer, 1859 - (ACHATINIDAE)
- elongata, Limicolaria aurora elongata L.A. Reeve - (ACHATINIDAE)
- elongata, Goniocylichna elongata N.F. Sohl, 1964 † - (ACTEOCINIDAE) (FOSSIL)
- elongata, Tornatella elongata R.A. Philippi, 1837 - syn of: Euparthenia bulinea (R.T. Lowe, 1841) - (ACTEONIDAE)
- elongata, Acteonina elongata J.F. Blake, 1905 † - (ACTEONINIDAE) (FOSSIL)
- elongata, Hallaxa elongata T.M. Gosliner & S. Johnson, 1994 - (ACTINOCYCLIDAE)
- elongata, Aenigmoconcha elongata Benedictova, 1950 † - (AENIGMOCONCHIDAE) (FOSSIL)
- elongata, Amastra elongata (W. Newcomb, 1853) - (AMASTRIDAE)
- elongata, Amastra elongata E.R. Sykes - syn of: Amastra elongata (W. Newcomb, 1853) - (AMASTRIDAE)
- elongata, Leucotina elongata (J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998) - (AMATHINIDAE)
- elongata, Adelactaeon elongata J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998 - syn of: Leucotina elongata (J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998) - (AMATHINIDAE)
- elongata, Felipponea elongata W.H. Dall, 1921 - syn of: Felipponea dalli R.H. Cowie, B. Hayes, & E.E. Strong, 2015 - (AMPULLARIIDAE)
- elongata, Microdryas elongata C.F. Laseron, 1950 - (ANABATHRIDAE)
- elongata, Ancillaria elongata W.M. Gabb, 1864 † - syn of: Spirancilla gabbi (A.E.M. Cossmann, 1899 †) - (ANCILLARIIDAE) (FOSSIL)
- elongata, Ancilla elongata J.E. Gray, 1874 - syn of: Ancillista muscae (H.A. Pilsbry, 1926) - (ANCILLARIIDAE)
- elongata, Cortinia elongata Gou 1983 † - (ANOMALODESMATA (UNASSIGNED)) (FOSSIL)
- elongata, Aplysia elongata W.H. Pease, 1860 - syn of: Aplysia parvula O.A.L. Mörch, 1863 - (APLYSIIDAE)
- elongata, Archinacella elongata Cullison, 1944 † - syn of: Proplina elongata (Cullison, 1944 †) - (ARCHINACELLIDAE) (FOSSIL)
- elongata, Anadara amicula elongata H. Noda, 1966 † - (ARCIDAE) (FOSSIL)
- elongata, Antiquicyprina elongata (Morris & J. Lycett †) - (ARCTICIDAE) (FOSSIL)
- elongata, Gythemon elongata (Cox 1944) † - (ARCTICIDAE) (FOSSIL)
- elongata, Armina elongata N.E. Ardila & Á. Valdés, 2004 - (ARMINIDAE)
- elongata, Omphalotropis elongata W.H. Pease, 1868 - syn of: Atropis producta (W.H. Pease, 1864) - (ASSIMINEIDAE)
- elongata, Barleeia elongata É.A.A. Locard, 1886 - syn of: Barleeia unifasciata (G. Montagu, 1803) - (BARLEEIIDAE)
- elongata, Ensitellops elongata A.A. Olsson & A. Harbison, 1953 † - (BASTEROTIIDAE) (FOSSIL)
- elongata, Plectostylus broderipii elongata (A.V.M.D. D'Orbigny, 1837) - (BOTHRIEMBRYONTIDAE)
- elongata, Benoistia elongata Doncieux, 1908 † - (BRACHYTREMATIDAE) (FOSSIL)
- elongata, Metula elongata W.H. Dall, 1907 - (BUCCINIDAE)
- elongata, Afrocominella elongata R.W. Dunker, 1857 - syn of: Afrocominella capensis simoniana (S.A.A. Petit De La Saussaye, 1852) - (BUCCINIDAE)
- elongata, Cominella elongata R.W. Dunker, 1857 - syn of: Afrocominella capensis simoniana (S.A.A. Petit De La Saussaye, 1852) - (BUCCINIDAE)
- elongata, Neptunea elongata P. Löyning, 1932 - syn of: Neptunea communis (A.T. von Middendorff, 1848) - (BUCCINIDAE)
- elongata, Chlanidota elongata A.W.B. Powell, 1951 - syn of: Chlanidota vestita A.W.B. Powell, 1951 - (BUCCINIDAE)
- elongata, Cominella elongata É. Lamy, 1910 - syn of: Chlanidota vestita A.W.B. Powell, 1951 - (BUCCINIDAE)
- elongata, Colus gracilis elongata (F.W. Harmer, 1899 †) - (BUCCINIDAE) (FOSSIL)
- elongata, Colus jeffreysianus elongata (É.A.A. Locard, 1896) - (BUCCINIDAE)
- elongata, Bulla elongata A. Adams in G.B. II Sowerby, 1850 - syn of: Aliculastrum cylindricum (G.S. Helbling, 1779) - (BULLIDAE)
- elongata, Bythinella elongata Roshka, 1973 † - (BYTHINELLIDAE) (FOSSIL)
- elongata, Ningbingia australis elongata G.A. Solem, 1988 - (CAMAENIDAE)
- elongata, Stenothecoides elongata (Walcott, 1884 †) - (CAMBRIDIIDAE) (FOSSIL)
- elongata, Unitas elongata (P. Nyst, 1843 †) - (CANCELLARIIDAE) (FOSSIL)
- elongata, Seendia elongata (d'Orbigny 1853) † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- elongata, Cardita elongata C.F. Fontannes, 1882 - syn of: Cardita calyculata (C. Linnaeus, 1758) - (CARDITIDAE)
- elongata, Oocorys elongata M.M. Schepman, 1909 - syn of: Oocorys sulcata P. Fischer, 1884 - (CASSIDAE)
- elongata, Semicassis elongata T.A. de M. Monterosato, 1878 - syn of: Semicassis granulata undulata (J.F. Gmelin, 1791) - (CASSIDAE)
- elongata, Cavolinia elongata C.A. Lesueur, 1821 - syn of: Cavolinia inflexa (C.A. Lesueur, 1813) - (CAVOLINIIDAE)
- elongata, Strophiops elongata C.J. Maynard, 1894 - (CERIONIDAE)
- elongata, Tubercliopsis elongata C.F. Laseron, 1956 - (CERITHIOPSIDAE)
- elongata, Chama elongata J.C. Chenu, 1846 - syn of: Chama pacifica W.J. Broderip, 1835 - (CHAMIDAE)
- elongata, Clypeostoma elongata (C. Vilvens, 2001) - (CHILODONTIDAE)
- elongata, Abida elongata L. de Folin & F. Bèrillon, 1877 - syn of: Abida bigerrensis A. Moquin-Tandon, 1856 - (CHONDRINIDAE)
- elongata, Abida elongata A. Moquin-Tandon, 1856 - syn of: Abida bigerrensis A. Moquin-Tandon, 1856 - (CHONDRINIDAE)
- elongata, Chromodoris elongata (W. Thompson, 1840) - (CHROMODORIDIDAE)
- elongata, Mesophaedusa elongata H. Minato & A. Tada, 1979 - (CLAUSILIIDAE)
- elongata, Balea elongata G.B. Adami, 1886 - syn of: Balea perversa (C. Linnaeus, 1758) - (CLAUSILIIDAE)
- elongata, Agathylla elongata R. Walderdorff, 1864 - syn of: Agathylla sulcosa (J.A. Wagner, 1829) - (CLAUSILIIDAE)
- elongata, Clausilia elongata E. Caziot, 1910 - syn of: Clausilia bidentata crenulata A. Risso, 1826 - (CLAUSILIIDAE)
- elongata, Tropidauchenia dorri elongata (A.R.J.B. Bavay & P. Dautzenberg, 1899) - (CLAUSILIIDAE)
- elongata, Clavagella elongata W.J. Broderip, 1835 - syn of: Bryopa lata (W.J. Broderip, 1834) - (CLAVAGELLIDAE)
- elongata, Clymenia elongata Bergeron, 1887 † - (CLYMENIIDAE) (FOSSIL)
- elongata, Cochlespira elongata L.R.L. Simone, 1999 - (COCHLESPIRIDAE)
- elongata, Cochlicella elongata G.J. De Cristofori & G. Jan, 1832 - syn of: Cochlicella acuta (O.F. Müller, 1774) - (COCHLICELLIDAE)
- elongata, Cryptazeca elongata B. Gómez, 1990 - (COCHLICOPIDAE)
- elongata, Littoridina elongata Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- elongata, Zemitrella elongata A.G. Beu, 1970 † - (COLUMBELLIDAE) (FOSSIL)
- elongata, Mitrella elongata M.M. Schepman, 1911 - syn of: Mitrella longissima D. Monsecour & D. Monsecour, 2007 - (COLUMBELLIDAE)
- elongata, Columbella rustica elongata R.A. Philippi, 1836 - (COLUMBELLIDAE)
- elongata, Columbella mercatoria elongata G.W. Nowell-Usticke, 1959 - (COLUMBELLIDAE)
- elongata, Condylocardia elongata E.V. Coan, 2003 - (CONDYLOCARDIIDAE)
- elongata, Liocranchia elongata A. Issel, 1908 - syn of: Liocranchia reinhardtii (J.J.S. Steenstrup, 1856) - (CRANCHIIDAE)
- elongata, Cylichna elongata É.A.A. Locard, 1886 - syn of: Cylichna cylindracea (T. Pennant, 1777) - (CYLICHNIDAE)
- elongata, Cypraea elongata G.B. Brocchi, 1814 † - (CYPRAEIDAE) (FOSSIL)
- elongata, Mauritia histrio elongata L. Raybaudi Massilia - (CYPRAEIDAE)
- elongata, Erronea caurica elongata (G. Perry, 1811) - (CYPRAEIDAE)
- elongata, Corbicula elongata S. Clessin, 1879 - (CYRENIDAE)
- elongata, Daonella elongata Mojsisovics, 1874 † - (DAONELLIDAE) (FOSSIL)
- elongata, Naticopsis elongata (B. Phillips, 1836 †) - (DELPHINULOPSIDAE) (FOSSIL)
- elongata, Dendrodoris elongata K. Baba, 1936 - (DENDRODORIDIDAE)
- elongata, Diplotheca elongata Nitsche & Arndt, 2008 † - (DIPLOTHECIDAE) (FOSSIL)
- elongata, Donaldina barnetti elongata (Kindle, 1900 †) - (DONALDINIDAE) (FOSSIL)
- elongata, Doris elongata W. Thompson, 1840 - syn of: Goniodoris nodosa (G. Montagu, 1808) - (DORIDIDAE)
- elongata, Dreissena elongata É.A.A. Locard, 1893 - syn of: Dreissena siouffi É.A.A. Locard, 1893 - (DREISSENIDAE)
- elongata, Splendrillia elongata F.E. Wells, 1995 - (DRILLIIDAE)
- elongata, Splendrillia elongata A.G. Beu, 1970 † - (DRILLIIDAE) (FOSSIL)
- elongata, Fenimorea elongata P.J. Fallon, 2016 - (DRILLIIDAE)
- elongata, Edmondia elongata Howse, 1848 † - (EDMONDIIDAE) (FOSSIL)
- elongata, Ovatella elongata H.C. Küster, 1845 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- elongata, Ena elongata (W. Kobelt, 1877) - (ENIDAE)
- elongata, Jaminia quadridens elongata (A. Moquin-Tandon, 1856) - (ENIDAE)
- elongata, Scalaria elongata Martin, 1879 † - (EPITONIIDAE) (FOSSIL)
- elongata, Claviscala elongata A. Feneaux, 1943 - syn of: Epitonium clathrus (C. Linnaeus, 1758) - (EPITONIIDAE)
- elongata, Opalia elongata F.P. Jousseaume, 1912 - syn of: Opalia bardeyi (F.P. Jousseaume, 1912) - (EPITONIIDAE)
- elongata, Eulima elongata P.L.J. Ivolas & M.A. Peyrot, 1900 - (EULIMIDAE)
- elongata, Vitreolina curva elongata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus - (EULIMIDAE)
- elongata, Pleuroploca elongata H. Strebel, 1911 - syn of: Triplofusus giganteus (L.C. Kiener, 1840) - (FASCIOLARIIDAE)
- elongata, Fedaiella elongata (Münster, 1841 †) - (FEDAIELLIDAE) (FOSSIL)
- elongata, Ferussacia elongata T.A. de M. Monterosato, 1892 - syn of: Ferussacia folliculus (J.S. Schröter, 1784) - (FERUSSACIIDAE)
- elongata, Hemitoma elongata (J.L.M. Defrance, 1819 †) - (FISSURELLIDAE) (FOSSIL)
- elongata, Diodora elongata C.B. Adams, 1845 - syn of: Diodora minuta (J.B.P.A. Lamarck, 1822) - (FISSURELLIDAE)
- elongata, Emarginula elongata A. da Costa, 1829 - syn of: Emarginula octaviana G.S. Coen, 1939 - (FISSURELLIDAE)
- elongata, Lucapina elongata R.A. Philippi, 1845 - syn of: Lucapina philippiana (H.J. Finlay, 1930) - (FISSURELLIDAE)
- elongata, Gadila elongata (J. Henderson, 1920) - (GADILIDAE)
- elongata, Amphilepida elongata (G.B. III Sowerby, 1897) - (GALEOMMATIDAE)
- elongata, Leiochasmea elongata (H.B. Preston, 1908) - (GALEOMMATIDAE)
- elongata, Eufistulana elongata (G.P. Deshayes, 1824 †) - (GASTROCHAENIDAE) (FOSSIL)
- elongata, Helix elongata J.R. Bourguignat, 1860 - syn of: Helix lucorum C. Linnaeus, 1758 - (HELICIDAE)
- elongata, Helix elongata J.F. Bolten, 1798 - syn of: Mesembrinus elongatus (J.F. Bolten, 1798) - (HELICIDAE)
- elongata, Semitrochatella elongata (A.V.M.D. D'Orbigny, 1842) - (HELICINIDAE)
- elongata, Helicina elongata Arkell, 1933 † - (HELICINIDAE) (FOSSIL)
- elongata, Helicina elongata L. Pfeiffer - syn of: Semitrochatella conica (L. Pfeiffer, 1839) - (HELICINIDAE)
- elongata, Panopea elongata T.A. Conrad, 1835 † - (HIATELLIDAE) (FOSSIL)
- elongata, Panomya elongata S. Kanno, 1958 † - (HIATELLIDAE) (FOSSIL)
- elongata, Histioteuthis elongata N.A. Voss & N.A. Voss, 1962 - syn of: Histioteuthis reversa (A.E. Verrill, 1880) - (HISTIOTEUTHIDAE)
- elongata, Pseudamnicola elongata Taner, 1974 † - (HYDROBIIDAE) (FOSSIL)
- elongata, Baglivia elongata Pana, 1989 † - (HYDROBIIDAE) (FOSSIL)
- elongata, Peringia elongata (R.A. Philippi, 1836) - (HYDROBIIDAE)
- elongata, Radomaniola elongata (P. Radoman, 1973) - (HYDROBIIDAE)
- elongata, Caspiohydrobia elongata Y.I. Starobogatov & Z.I. Izzatullaev, 1974 - (HYDROBIIDAE)
- elongata, Victodrobia elongata W.F. Ponder & K.B. Clark, 1993 - (HYDROBIIDAE)
- elongata, Iglica elongata L. Kušcer, 1933 - (HYDROBIIDAE)
- elongata, Bythiospeum elongata K. Flach, 1886 - syn of: Bythiospeum clessini (C.D. Weinland, 1883) - (HYDROBIIDAE)
- elongata, Orientalina elongata P. Radoman, 1973 - syn of: Radomaniola elongata (P. Radoman, 1973) - (HYDROBIIDAE)
- elongata, Iravadia elongata (A. Hornung & G. Mermod, 1928) - (IRAVADIIDAE)
- elongata, Fairbankia elongata (A. Hornung & G. Mermod, 1928) - syn of: Iravadia elongata (A. Hornung & G. Mermod, 1928) - (IRAVADIIDAE)
- elongata, Mutela elongata J.J.M. de Morgan, 1897 - syn of: Mutela dubia J.F. Gmelin, 1793 - (IRIDINIDAE)
- elongata, Iridina elongata J. de C. Sowerby, 1821 - syn of: Mutela dubia J.F. Gmelin, 1793 - (IRIDINIDAE)
- elongata, Janthina elongata H.M.D. de Blainville in C. Maravigna, 1838 - syn of: Janthina globosa W.J. Swainson, 1822 - (JANTHINIDAE)
- elongata, Netschajewia elongata (Netschajew, 1894 †) - (KALENTERIDAE) (FOSSIL)
- elongata, Pleurophorella elongata Pagani, 2006 † - (KALENTERIDAE) (FOSSIL)
- elongata, Myoconcha elongata Morris & Lycett † - (KALENTERIDAE) (FOSSIL)
- elongata, Kelliella elongata J.A. Allen, 2001 - syn of: Ectenagena elongata (W.H. Dall, 1916) - (KELLIELLIDAE)
- elongata, Arthritica elongata C.R. Laws, 1936 † - (LASAEIDAE) (FOSSIL)
- elongata, Realia elongata W.H. Pease, 1868 - syn of: Atropis producta (W.H. Pease, 1864) - (LIAREIDAE)
- elongata, Limatula elongata E. Forbes, 1844 - syn of: Limatula subauriculata (G. Montagu, 1808) - (LIMIDAE)
- elongata, Laevilitorina elongata J.P.L. Pelseneer, 1903 - (LITTORINIDAE)
- elongata, Littoraria elongata (J.L.M. Defrance, 1827 †) - (LITTORINIDAE) (FOSSIL)
- elongata, Lophospira elongata Butts, 1926 † - syn of: Lophospira perangulata (J.W. Hall, 1847 †) - (LOPHOSPIRIDAE) (FOSSIL)
- elongata, Notoacmea elongata (J.R.C. Quoy & J.P. Gaimard, 1834) - (LOTTIIDAE)
- elongata, Patelloida elongata J.R.C. Quoy & J.P. Gaimard, 1834 - syn of: Notoacmea elongata (J.R.C. Quoy & J.P. Gaimard, 1834) - (LOTTIIDAE)
- elongata, Luciella elongata A.W. Grabau, 1931 † - (LUCIELLIDAE) (FOSSIL)
- elongata, Myrtea elongata (N.H. Odhner, 1919) - (LUCINIDAE)
- elongata, Lucina elongata N.H. Odhner, 1919 - syn of: Myrtea elongata (N.H. Odhner, 1919) - (LUCINIDAE)
- elongata, Lyrodesma elongata Harper † - (LYRODESMATIDAE) (FOSSIL)
- elongata, Oxyperas elongata (J.R.C. Quoy & J.P. Gaimard, 1835) - (MACTRIDAE)
- elongata, Resania elongata A.G. Beu, 1966 † - (MACTRIDAE) (FOSSIL)
- elongata, Longimactra elongata J.R.C. Quoy & J.P. Gaimard, 1835 - syn of: Oxyperas elongata (J.R.C. Quoy & J.P. Gaimard, 1835) - (MACTRIDAE)
- elongata, Anatina elongata S.C.T. Hanley, 1842 - syn of: Lyonsia norwegica (J.F. Gmelin, 1791) - (MACTRIDAE)
- elongata, Anatina elongata S. Stutchbury, 1830 - syn of: Thraciopsis elongata (S. Stutchbury, 1830) - (MACTRIDAE)
- elongata, Lutraria elongata J.E. Gray, 1837 - syn of: Lutraria complanata (J.F. Gmelin, 1791) - (MACTRIDAE)
- elongata, Spineilo elongata (P. Marshall, 1917 †) - (MALLETIIDAE) (FOSSIL)
- elongata, Oenopota elongata I.P. Bogdanov, 1989 - (MANGELIIDAE)
- elongata, Marita elongata C.F. Laseron, 1954 - (MANGELIIDAE)
- elongata, Ithycythara elongata (W.M. Gabb, 1873 †) - (MANGELIIDAE) (FOSSIL)
- elongata, Cythara elongata W.M. Gabb, 1873 † - syn of: Ithycythara elongata (W.M. Gabb, 1873 †) - (MANGELIIDAE) (FOSSIL)
- elongata, Kurtziella serga elongata (W.H. Dall, 1881) - (MANGELIIDAE)
- elongata, Margaritifera elongata J.B.P.A. Lamarck, 1819 - syn of: Margaritifera margaritifera (C. Linnaeus, 1758) - (MARGARITIFERIDAE)
- elongata, Volvarina elongata W.H. Pease, 1868 - syn of: Volvarina elliptica (J.H. Redfield, 1870) - (MARGINELLIDAE)
- elongata, Volvarina attenuata elongata É.A.A. Locard, 1898 - (MARGINELLIDAE)
- elongata, Lemniscolittorina elongata S. Kiel & K. Bandel, 2001 † - (MATHILDIDAE) (FOSSIL)
- elongata, Hemithecella elongata Stinchcomb & Darrough, 1995 † - syn of: Hemithecella eminensis Stinchcomb & Darrough, 1995 † - (MATTHEVIIDAE) (FOSSIL)
- Elongata, syn of: Genus Hemithecella Butts , 1941 † (MATTHEVIIDAE) (FOSSIL)
- elongata, Ceraunocochlis elongata Erwin, 1988 † - (MEEKOSPIRIDAE) (FOSSIL)
- elongata, Melanopsis elongata J. Gassies, 1874 - syn of: Melanopsis frustulum P.M.A. Morelet, 1857 - (MELANOPSIDAE)
- elongata, Melanopsis elongata Doncieux, 1908 - syn of: Melanopsis sublongata P.M. Pallary, 1916 † - (MELANOPSIDAE)
- elongata, Pyrula elongata J.B.P.A. Lamarck, 1822 - syn of: Hemifusus elongatus (J.B.P.A. Lamarck, 1822) - (MELONGENIDAE)
- elongata, Paphies elongata (L.A. Reeve, 1854) - (MESODESMATIDAE)
- elongata, Mesodesma elongata Abbass, 1972 † - (MESODESMATIDAE) (FOSSIL)
- elongata, Mesodesma elongata É.A.A. Locard, 1892 - syn of: Donacilla cornea (G.S. Poli, 1791) - (MESODESMATIDAE)
- elongata, Mesodesma elongata L.A. Reeve, 1854 - syn of: Paphies elongata (L.A. Reeve, 1854) - (MESODESMATIDAE)
- elongata, Mitra elongata (J.B.P.A. Lamarck, 1803 †) - (MITRIDAE) (FOSSIL)
- elongata, Paleofusimitra elongata N.F. Sohl, 1963 † - (MITRIDAE) (FOSSIL)
- elongata, Pterygia elongata Y. Hirase, 1908 - syn of: Pterygia crenulata (J.F. Gmelin, 1791) - (MITRIDAE)
- elongata, Mitra elongata T.A. de M. Monterosato, 1878 - syn of: Pusia tricolor (J.F. Gmelin, 1791) - (MITRIDAE)
- elongata, Lovellona elongata M. Chino & P. Stahlschmidt, 2009 - (MITROMORPHIDAE)
- elongata, Ectenocardiomorpha elongata Isberg, 1934 † - (MODIOLOPSIDAE) (FOSSIL)
- elongata, Colpomya elongata P. Sánchez, 2001 † - (MODIOMORPHIDAE) (FOSSIL)
- elongata, Moitessieria elongata G. Coutagne, 1892 - syn of: Moitessieria locardi G. Coutagne, 1883 - (MOITESSIERIIDAE)
- elongata, Purpura elongata G.W. Tryon, 1880 - (MURICIDAE)
- elongata, Marchia elongata J. Lightfoot, 1786 - syn of: Pterynotus elongatus (J. Lightfoot, 1786) - (MURICIDAE)
- elongata, Ricinula elongata L.A. Reeve, 1846 - syn of: Muricodrupa fenestrata (H.M.D. de Blainville, 1832) - (MURICIDAE)
- elongata, Coralliophila elongata C.F. Laseron, 1955 - syn of: Coralliophila wilsoni G.B. Pritchard & J.H. Gatliff, 1898 - (MURICIDAE)
- elongata, Nucella freycineti elongata A.N. Golikov & O.V. Kussakin, 1962 - (MURICIDAE)
- elongata, Anodontites elongata (W.J. Swainson, 1823) - (MYCETOPODIDAE)
- elongata, Sphenia elongata J.L. Zhang, F.S. Xu & J.Y. Liu, 2012 - (MYIDAE)
- elongata, Mya elongata É.A.A. Locard, 1886 - syn of: Mya arenaria C. Linnaeus, 1758 - (MYIDAE)
- elongata, Myadoropsis elongata (W.L. May, 1915) - (MYOCHAMIDAE)
- elongata, Jolya elongata (W.J. Swainson, 1821) - (MYTILIDAE)
- elongata, Modiola elongata S.C.T. Hanley, 1843 - syn of: Jolya rhomboidea (L.A. Reeve, 1857) - (MYTILIDAE)
- elongata, Nakamuranaia elongata Gu & X.T. Ma, 1976 † - (NAKAMURANAIADIDAE) (FOSSIL)
- elongata, Nassarius elongata É.A.A. Locard, 1886 † - syn of: Tritia corniculum (A.G. Olivi, 1792 †) - (NASSARIIDAE) (FOSSIL)
- elongata, Nassa elongata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 - syn of: Tritia incrassata (H. Strøm, 1768) - (NASSARIIDAE)
- elongata, Nassa elongata F.P. Marrat, 1874 - syn of: Tritia casta (A.A. Gould, 1850) - (NASSARIIDAE)
- elongata, Dacryomya elongata Fan, 1963 † - (NUCULANIDAE) (FOSSIL)
- elongata, Phestia elongata (Vaillant-Couturier Treat, 1933 †) - (NUCULANIDAE) (FOSSIL)
- elongata, Nuculana elongata Vaillant-Couturier Treat, 1933 † - syn of: Phestia elongata (Vaillant-Couturier Treat, 1933 †) - (NUCULANIDAE) (FOSSIL)
- elongata, Acila elongata T. Nagao & Huzioka, 1941 † - (NUCULIDAE) (FOSSIL)
- elongata, Ennucula elongata (P.M. Rhind & J.A. Allen, 1992) - (NUCULIDAE)
- elongata, Nucula elongata G.B. I Sowerby, 1833 - syn of: Adrana sowerbyana (A.V.M.D. D'Orbigny, 1833) - (NUCULIDAE)
- elongata, Papuliscala elongata (R.B. Watson, 1881) - (NYSTIELLIDAE)
- elongata, Pseudoleacina elongata (Miller, 1907) † - (OLEACINIDAE) (FOSSIL)
- elongata, Olivella elongata F.P. Marrat, 1871 - syn of: Olivella floralia (P.L. Duclos, 1844) - (OLIVELLIDAE)
- elongata, Oliva elongata F.P. Marrat, 1871 - syn of: Olivella floralia (P.L. Duclos, 1844) - (OLIVIDAE)
- elongata, Anazola elongata G. Fischer von Waldheim, 1807 - syn of: Agaronia gibbosa (I. von Born, 1778) - (OLIVIDAE)
- elongata, Oriocrassatella elongata Boyd & Newell, 1968 † - (ORIOCRASSATELLIDAE) (FOSSIL)
- elongata, Porphyrobaphe irrorata elongata (K. Miller, 1859) - (ORTHALICIDAE)
- elongata, Hypergonia elongata E.K. Yoo, 1988 † - (ORTHONEMIDAE) (FOSSIL)
- elongata, Ostrea elongata I. von Born, 1778 - syn of: Crassostrea virginica (J.F. Gmelin, 1791) - (OSTREIDAE)
- elongata, Ovula elongata P.M. Pallary, 1900 - syn of: Pseudosimnia carnea (J.L.M. Poiret, 1789) - (OVULIDAE)
- elongata, Palaeomutela elongata Liang † - (PALAEOMUTELIDAE) (FOSSIL)
- elongata, Frenamya elongata (C. Linnaeus, 1758) - (PANDORIDAE)
- elongata, Paracyclas elongata Nettelroth † - (PARACYCLIDAE) (FOSSIL)
- elongata, Partula elongata W.H. Pease, 1866 - syn of: Partula taeniata (O.A.L. Mörch, 1850) - (PARTULIDAE)
- elongata, Passaloteuthis elongata (Miller, 1826 †) - (PASSALOTEUTHIDIDAE) (FOSSIL)
- elongata, Holcoteuthis elongata Miller, 1826 † - syn of: Passaloteuthis elongata (Miller, 1826 †) - (PASSALOTEUTHIDIDAE) (FOSSIL)
- elongata, Tricolia elongata (C.F.F. von Krauss, 1848) - (PHASIANELLIDAE)
- elongata, Phenacolepas elongata K.H.J. Thiele, 1909 - (PHENACOLEPADIDAE)
- elongata, Aupouria elongata C.R. Laws, 1940 † - (PHILOBRYIDAE) (FOSSIL)
- elongata, Barnea manilensis elongata S. Tchang, C.Y. Tsi & K. Li, 1960 - (PHOLADIDAE)
- elongata, Streptopinna elongata L.A. Reeve, 1858 - syn of: Pinna saccata C. Linnaeus, 1758 - (PINNIDAE)
- elongata, Pinna elongata P.F. Röding, 1798 - syn of: Pinna rudis C. Linnaeus, 1758 - (PINNIDAE)
- elongata, Berthella elongata (F.J. Cantraine, 1835) - (PLEUROBRANCHIDAE)
- elongata, Pleuromya elongata (Schlotheim, 1822 †) - (PLEUROMYIDAE) (FOSSIL)
- elongata, Hydrorissoia elongata A.R.J.B. Bavay, 1895 - (POMATIOPSIDAE)
- elongata, Tricula elongata H.X. Liu, Wang & Zhang, 1991 - (POMATIOPSIDAE)
- elongata, Hesperiella elongata E.K. Yoo, 1994 † - (PORCELLIIDAE) (FOSSIL)
- elongata, Cetomya elongata (W.H. Dall, 1886) - (POROMYIDAE)
- elongata, Prothyris elongata Dahmer, 1936 † - (PROTHYRIDAE) (FOSSIL)
- elongata, Gari elongata (J.B.P.A. Lamarck, 1818) - (PSAMMOBIIDAE)
- elongata, Kurilohadalia elongata A.V. Sysoev & Y.I. Kantor, 1986 - (PSEUDOMELATOMIDAE)
- elongata, Pteronitella elongata H.X. Liu, 1983 † - (PTERINEIDAE) (FOSSIL)
- elongata, Langsonella elongata (Mansuy 1919) † - (PTERIOIDEA (UNASSIGNED)) (FOSSIL)
- elongata, Pupilla elongata S. Clessin, 1876 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- elongata, Paregila elongata C.F. Laseron, 1959 - (PYRAMIDELLIDAE)
- elongata, Turbonilla elongata W.H. Pease, 1867 - syn of: Turbonilla aulica (W.H. Dall & P. Bartsch, 1906) - (PYRAMIDELLIDAE)
- elongata, Chrysallida eximia elongata G.O. Sars, 1878 - (PYRAMIDELLIDAE)
- elongata, Pyropelta elongata S.Q. Zhang & S.P. Zhang, 2017 - (PYROPELTIDAE)
- elongata, Quenstedtia elongata W.H. Hudleston, 1878 † - (QUENSTEDTIIDAE) (FOSSIL)
- elongata, Hemilienardia elongata Wiedrick, 2017 - (RAPHITOMIDAE)
- elongata, Pseudodaphnella philippinensis elongata R.P.J. Hervier, 1897 - (RAPHITOMIDAE)
- elongata, Retusa elongata K.E.I. von Eichwald, 1830 † - (RETUSIDAE) (FOSSIL)
- elongata, Rissoa elongata R.A. Philippi, 1836 - (RISSOIDAE)
- elongata, Onoba elongata A. Hornung & G. Mermod, 1928 - syn of: Iravadia elongata (A. Hornung & G. Mermod, 1928) - (RISSOIDAE)
- elongata, Rissoina elongata J.P.S. Grateloup, 1919 † - syn of: Rissoina subconoidea (J.P.S. Grateloup, 1847 †) - (RISSOINIDAE) (FOSSIL)
- elongata, Rostellaria elongata Sowerby, 1836 † - (ROSTELLARIIDAE) (FOSSIL)
- elongata, Semiterebellum elongata A.E.M. Cossmann 1889 † - (ROSTELLARIIDAE) (FOSSIL)
- elongata, Runcina elongata R.L. Schmekel & D. Cappellato, 2002 - (RUNCINIDAE)
- elongata, Praeundulomya elongata Dickins, 1957 † - (SANGUINOLITIDAE) (FOSSIL)
- elongata, Sepia elongata A.V.M.D. D'Orbigny, 1839 - (SEPIIDAE)
- elongata, Shaanxiconcha longa elongata (Hua, 1965 †) - (SHAANXICONCHIDAE) (FOSSIL)
- elongata, Bensbergia elongata (B. Phillips, 1841 †) - (SOLENISCIDAE) (FOSSIL)
- elongata, Bulimorpha elongata (J.W. Hall, 1858 †) - (SOLENISCIDAE) (FOSSIL)
- elongata, Bensbergia arculata elongata (G.A. Goldfuss, 1844 †) - (SOLENISCIDAE) (FOSSIL)
- elongata, Stenothyropsis elongata (Ludwig, 1865 †) - (STENOTHYRIDAE) (FOSSIL)
- elongata, Lambis elongata W.J. Swainson, 1841 - syn of: Ophioglossolambis digitata (G. Perry, 1811) - (STROMBIDAE)
- elongata, Fusispira elongata J.W. Hall, 1872 † - (SUBULITIDAE) (FOSSIL)
- elongata, Succinea elongata W.H. Pease, 1870 - (SUCCINEIDAE)
- elongata, Tancredia elongata Lundgren, 1895 † - (TANCREDIIDAE) (FOSSIL)
- elongata, Tellina elongata S.C.T. Hanley, 1844 - syn of: Macoma elytrum A.M. Keen, 1958 - (TELLINIDAE)
- elongata, Psammacoma elongata I.A. Korobkov † - syn of: Psammacoma korobkovi A.I. Kafanov, 2001 † - (TELLINIDAE) (FOSSIL)
- elongata, Teredo elongata J.L.A. Quatrefages, 1849 - (TEREDINIDAE)
- elongata, Thraciopsis elongata (S. Stutchbury, 1830) - (THRACIIDAE)
- elongata, Thracia elongata C.L.F. von Sandberger, 1861 † - (THRACIIDAE) (FOSSIL)
- elongata, Thracia elongata R.A. Philippi, 1844 - syn of: Tellimya ferruginosa (Montague, 1808) - (THRACIIDAE)
- elongata, Neodonaldina elongata (Zardini, 1978 †) - (TOFANELLIDAE) (FOSSIL)
- elongata, Tridacna maxima elongata J.B.P.A. Lamarck, 1810 - (TRIDACNIDAE)
- elongata, Trigonia elongata J. de C. Sowerby, 1823 † - (TRIGONIIDAE) (FOSSIL)
- elongata, Euthymella elongata (C.F. Laseron, 1958) - (TRIPHORIDAE)
- elongata, Viriola elongata C.F. Laseron, 1958 - syn of: Euthymella elongata (C.F. Laseron, 1958) - (TRIPHORIDAE)
- elongata, Erato elongata G. Seguenza, 1880 † - (TRIVIIDAE) (FOSSIL)
- elongata, Trivirostra elongata X.T. Ma, 1997 - (TRIVIIDAE)
- elongata, Micrelenchus elongata H.H. Suter, 1897 - syn of: Cantharidus artizona (A. Adams, 1853) - (TROCHIDAE)
- elongata, Taheitia elongata (F. Poey in L. Pfeiffer, 1856) - (TRUNCATELLIDAE)
- elongata, Nystia elongata (M. von Neumayr, 1880 †) - (TRUNCATELLIDAE) (FOSSIL)
- elongata, Proplina elongata (Cullison, 1944 †) - (TRYBLIDIIDAE) (FOSSIL)
- elongata, Unedogemmula elongata J.E. Gray & G.B. I Sowerby, 1839 - syn of: Unedogemmula deshayesii (E. Doumet, 1840) - (TURRIDAE)
- elongata, Pleurotoma elongata É.A.A. Locard, 1897 - syn of: Theta chariessa (R.B. Watson, 1881) - (TURRIDAE)
- elongata, Turritella elongata J. de C. Sowerby, 1814 † - (TURRITELLIDAE) (FOSSIL)
- elongata, Pterodonta elongata A.V.M.D. D'Orbigny, 1843 † - (TYLOSTOMATIDAE) (FOSSIL)
- elongata, Hemipsila elongata Mu & Ruan, 1983 † - (UNDASTRIATOSTYLIOLINIDAE) (FOSSIL)
- elongata, Pseudanodonta elongata (J.J.J. Holandre, 1836) - (UNIONIDAE)
- elongata, Lamprotula elongata Y.Y. Liu, W.Z. Zhang & Y.X. Wang, 1980 - (UNIONIDAE)
- elongata, Burtonia elongata J.R. Bourguignat, 1886 - syn of: Pseudospatha tanganyicensis (E.A. Smith, 1880) - (UNIONIDAE)
- elongata, Naia elongata W.J. Swainson, 1840 - syn of: Cucumerunio novaehollandiae (J.E. Gray, 1834) - (UNIONIDAE)
- elongata, Anodonta elongata V.L.V. Potiez & A. Michaud, 1844 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- elongata, Anodonta elongata A. Stentz - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- elongata, Grandidieria burtoni elongata J.R. Bourguignat, 1885 - (UNIONIDAE)
- elongata, Apoma elongata H.H. Beck, 1837 - syn of: Apoma chemnitzianum (A.E.J. Férussac, 1821) - (UROCOPTIDAE)
- elongata, Myonia elongata J.B.M. Dana, 1847 † - (VACUNELLIDAE) (FOSSIL)
- elongata, Pseudaphrodina elongata Casey (ex Forbes MS) † - (VENERIDAE) (FOSSIL)
- elongata, Polititapes aureus elongata (P. Dautzenberg, 1883) - (VENERIDAE)
- elongata, Ectenagena elongata (W.H. Dall, 1916) - (VESICOMYIDAE)
- elongata, Vitrina elongata J.G. Jeffreys, 1830 - syn of: Vitrina pellucida (O.F. Müller, 1774) - (VITRINIDAE)
- elongata, Vitrina elongata J.P.R. Draparnaud, 1805 - syn of: Semilimax semilimax (A.E.J. Férussac, 1802) - (VITRINIDAE)
- elongata, Margarya elongata S. Tchang & C.Y. Tsi, 1949 - syn of: Margarya monodi P. Dautzenberg & H. Fischer, 1906 - (VIVIPARIDAE)
- elongata, Nipponomelon elongata (T. Shikama, 1962) - (VOLUTIDAE)
- elongata, Voluta elongata W.J. Swainson, 1821 - syn of: Alcithoe arabica (J.F. Gmelin, 1791) - (VOLUTIDAE)
- elongata, Xiphoteuthis elongata (De la Beche †) - (XIPHOTEUTHIDIDAE) (FOSSIL)
- elongata angustata, Trigonia elongata angustata J. Lycett † - (TRIGONIIDAE) (FOSSIL)
- elongata conuloidea, Retusa elongata conuloidea (S.V. Wood, 1851 ) † - (RETUSIDAE) (FOSSIL)
- elongata dactylus, Anodontites elongata dactylus (G.B. Sowerby, 1869) - (MYCETOPODIDAE)
- elongata gracilis, Trigonia elongata gracilis Kellaway & Wilson † - (TRIGONIIDAE) (FOSSIL)
- elongata holtonis, Anodontites elongata holtonis (I. Lea, 1857) - (MYCETOPODIDAE)
- elongata hospitalis, Hydrorissoia elongata hospitalis R.A.M. Brandt, 1968 - (POMATIOPSIDAE)
- elongata komakoensis, Oxyperas elongata komakoensis G.S. Carter, 1972 - syn of: Oxyperas elongata (J.R.C. Quoy & J.P. Gaimard, 1835) - (MACTRIDAE)
- elongata major, Peringia elongata major T.A. de M. Monterosato - (HYDROBIIDAE)
- elongata scalarata, Rissoina elongata scalarata A.E.M. Cossmann & M.A. Peyrot, 1919 † - syn of: Rissoina subconoidea (J.P.S. Grateloup, 1847 †) - (RISSOINIDAE) (FOSSIL)
- elongata schadei, Anodontites elongata schadei W.B. Marshall, 1934 - (MYCETOPODIDAE)
- elongata squamosina, Tridacna elongata squamosina R. Sturany, 1899 - syn of: Tridacna squamosina R. Sturany, 1899 - (TRIDACNIDAE)
- elongata wheatleyi, Anodontites elongata wheatleyi (I. Lea, 1852) - (MYCETOPODIDAE)
- elongata yini, Margarya elongata yini S. Tchang & C.Y. Tsi, 1949 - syn of: Margarya melanioides G. Nevill, 1877 - (VIVIPARIDAE)
- elongatella, Beurlenella elongatella Anelli & al., 2010 † - (MEGADESMIDAE) (FOSSIL)
- elongatissima, Chondrina elongatissima C. des Moulins, 1835 - syn of: Chondrina tenuimarginata C. des Moulins, 1835 - (CHONDRINIDAE)
- elongatissima, Abida elongatissima D. Dupuy, 1879 - syn of: Abida cylindrica (A. Michaud, 1829) - (CHONDRINIDAE)
- elongatissima, Panopea elongatissima (McLearn, 1933 †) - (HIATELLIDAE) (FOSSIL)
- elongatissima, Micromelania elongatissima (D. Pantanelli, 1877 †) - (HYDROBIIDAE) (FOSSIL)
- elongatissima, Psilomya elongatissima McLearn, 1933 † - syn of: Panopea elongatissima (McLearn, 1933 †) - (POROMYIDAE) (FOSSIL)
- elongatissima, Tridacna elongatissima J.J. Bianconi, 1856 - syn of: Tridacna maxima (P.F. Röding, 1798) - (TRIDACNIDAE)
- elongatissimus, Tortaxis elongatissimus A.R.J.B. Bavay & P. Dautzenberg, 1908 - (SUBULINIDAE)
- elongatocinctum, Geisonocerina elongatocinctum Portlock, 1843 † - syn of: Isorthoceras albersi (Miller & M.J. Faber, 1894 †) - (ORTHOCERIDA (unassigned)) (FOSSIL)
- elongatocinctum, Isorthoceras elongatocinctum (Portlock, 1843 †) - (PROTEOCERATIDAE) (FOSSIL)
- elongatoidea, Altaspiratella elongatoidea (T.H. Aldrich, 1887 †) - (LIMACINIDAE) (FOSSIL)
- elongatoidea, Litorhadia elongatoidea (Aldrich 1896) † - (NUCULANIDAE) (FOSSIL)
- elongatospira, Rissoella elongatospira W.F. Ponder, 1966 - (RISSOELLIDAE)
- elongatotrigona, Callista elongatotrigona R.B. Newton, 1922 † - (VENERIDAE) (FOSSIL)
- elongatula, Omphalotropis elongatula J.F. Quadras & O.F. von Möllendorff, 1894 - (ASSIMINEIDAE)
- elongatula, Nitidella elongatula R.P.J. Hervier, 1899 - syn of: Pardalinops testudinaria (J.H.F. Link, 1807) - (COLUMBELLIDAE)
- elongatula, Georissa elongatula O.F. von Möllendorff, 1894 - (HYDROCENIDAE)
- elongatula, Nassa elongatula É.A.A. Locard, 1886 † - syn of: Tritia pygmaea (J.B.P.A. Lamarck, 1822 †) - (NASSARIIDAE) (FOSSIL)
- elongatula, Oxyloma elongatula N. Pini, 1840 - syn of: Oxyloma elegans (A. Risso, 1826) - (SUCCINEIDAE)
- elongatula, Brachypodella elongatula C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- elongatulum, Buccinum elongatulum H.E. Anton, 1838 - syn of: Bullia digitalis (L.W. Dillwyn, 1817) - (BUCCINIDAE)
- elongatulum, Entodesma elongatulum T. Soot-Ryen, 1957 - (LYONSIIDAE)
- elongatulus, Drymaeus nigrofasciatus elongatulus H.A. Pilsbry, 1898 - (BULIMULIDAE)
- elongatulus, Theodoxus elongatulus (P.M.A. Morelet, 1845) - (NERITIDAE)
- elongatulus, Theodoxus elongatulus R.A. Philippi, 1844 † - syn of: Theodoxus elongatus (Thomä, 1845 †) - (NERITIDAE) (FOSSIL)
- elongatulus, Unio elongatulus C. Pfeiffer, 1825 - syn of: Unio mancus J.B.P.A. Lamarck, 1819 - (UNIONIDAE)
- elongatum, Pseudotrapezium elongatum R.B. Newton, 1895 † - (ARCTICIDAE) (FOSSIL)
- elongatum, Atomodesma elongatum J. Wanner, 1922 † - (ATOMODESMATIDAE) (FOSSIL)
- elongatum, Avaoceras elongatum Ulrich & al., 1944 † - (BASSLEROCERATIDAE) (FOSSIL)
- elongatum, Buccinum elongatum W. Wood, 1828 - syn of: Oxymeris strigata (G.B. I Sowerby, 1825) - (BUCCINIDAE)
- elongatum, Buccinum elongatum T.A. Verkrüzen, 1881 - syn of: Buccinum undatum C. Linnaeus, 1758 - (BUCCINIDAE)
- elongatum, Caecum elongatum P.P. Carpenter, 1857 - (CAECIDAE)
- elongatum, Vasticardium elongatum (J.G. Bruguière, 1789) - (CARDIIDAE)
- elongatum, Trachycardium elongatum J.G. Bruguière, 1789 - syn of: Vasticardium elongatum (J.G. Bruguière, 1789) - (CARDIIDAE)
- elongatum, Cochlostoma elongatum M. Paulucci, 1879 - syn of: Cochlostoma montanum (A. Issel, 1866) - (COCHLOSTOMATIDAE)
- elongatum, Conocardium elongatum (J. de C. Sowerby, 1815 †) - (CONOCARDIIDAE) (FOSSIL)
- elongatum, Diastoma elongatum (A. Brongniart, 1823 †) - (DIASTOMATIDAE) (FOSSIL)
- elongatum, Clelandoceras elongatum Ulrich & al., 1944 † - (ELLESMEROCERATIDAE) (FOSSIL)
- elongatum, Stemtonoceras elongatum Ulrich & Foerste, 1936 † - (ELLESMEROCERATIDAE) (FOSSIL)
- elongatum, Ellesmeroceras elongatum T. Kobayashi, 1931 † - (ELLESMEROCERATIDAE) (FOSSIL)
- elongatum, Anhuiceras elongatum Zou & T.E. Chen, 1979 † - (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- elongatum, Carychium elongatum A. Villa & J. Villa, 1841 - syn of: Saraphia tridentatum elongatum (A. Villa & J. Villa, 1841) - (ELLOBIIDAE)
- elongatum, Saraphia tridentatum elongatum (A. Villa & J. Villa, 1841) - (ELLOBIIDAE)
- elongatum, Epitonium elongatum W.H. Turton, 1932 - syn of: Epitonium oppositum (M.E.A. de Boury, 1921) - (EPITONIIDAE)
- elongatum, Epitonium elongatum P.F. Röding, 1798 - syn of: Epitonium clathrus (C. Linnaeus, 1758) - (EPITONIIDAE)
- elongatum, Proscutum elongatum (G.P. Deshayes, 1861 †) - (LOTTIIDAE) (FOSSIL)
- elongatum, Cyrtoceras elongatum Gurich, 1901 † - (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- elongatum, Oonoceras acinaces elongatum (Barrande, 1866 †) - (OONOCERATIDAE) (FOSSIL)
- elongatum, Phenacovolva elongatum A. Adams, 1854 - syn of: Phenacovolva recurva (G.B. II Sowerby in A. Adams & L.A. Reeve, 1848) - (OVULIDAE)
- elongatum, Platyceras elongatum J.W. Hall, 1859 † - (PLATYCERATIDAE) (FOSSIL)
- elongatum, Monoplex vespaceus elongatum L.A. Reeve, 1844 - (RANELLIDAE)
- elongatum, Africoterebellum elongatum (R.B. Newton, 1922 †) - (ROSTELLARIIDAE) (FOSSIL)
- elongatum, Franklinoceras elongatum (Flower, 1952 †) - (RUEDEMANNOCERATIDAE) (FOSSIL)
- elongatum, Aylacostoma elongatum (F.C. Baker, 1913) - (THIARIDAE)
- elongatum, Vasum elongatum E.H. Vokes, 1970 † - (TURBINELLIDAE) (FOSSIL)
- elongatum, Valcouroceras elongatum Flower, 1952 † - (VALCOUROCERATIDAE) (FOSSIL)
- elongatum, Broeggeroceras elongatum Sweet, 1958 † - (WESTONOCERATIDAE) (FOSSIL)
- elongatum cipangense, Vasticardium elongatum cipangense (E. Vidal, 1993) - (CARDIIDAE)
- elongatum coralense, Vasticardium elongatum coralense (E. Vidal, 1993) - (CARDIIDAE)
- elongatum enode, Vasticardium elongatum enode (G.B. II Sowerby, 1840) - (CARDIIDAE)
- elongatum indioceanum, Vasticardium elongatum indioceanum (E. Vidal, 1993) - (CARDIIDAE)
- elongatum okinawaense, Vasticardium elongatum okinawaense (J.T. Kuroda, 1960) - (CARDIIDAE)
- elongatum wilsoni, Vasticardium elongatum wilsoni (R.P.A. Voskuil & W.J.H. Onverwagt, 1991) - (CARDIIDAE)
- elongatus, Acteon elongatus Z.J.A. De Castellanos, E. Rolán & S. Bartolotta, 1987 - (ACTEONIDAE)
- elongatus, Acteonina elongatus (C. Moore, 1861 †) - (ACTEONINIDAE) (FOSSIL)
- elongatus, Anabathron elongatus A.W.B. Powell, 1927 - (ANABATHRIDAE)
- elongatus, Paraparmarion elongatus W.E. Collinge, 1902 - (ARIOPHANTIDAE)
- elongatus, Belemnites elongatus Miller, 1826 † - syn of: Passaloteuthis elongata (Miller, 1826 †) - (BELEMNITELLIDAE) (FOSSIL)
- elongatus, Bellerophon elongatus Portlock, 1843 † - syn of: Strangulites elongatus (Portlock, 1843 †) - (BELLEROPHONTIDAE) (FOSSIL)
- elongatus, Prosipho elongatus K.H.J. Thiele, 1912 - (BUCCINIDAE)
- elongatus, Mesembrinus elongatus (J.F. Bolten, 1798) - (BULIMULIDAE)
- elongatus, Callochiton elongatus W.L. May, 1920 - (CALLOCHITONIDAE)
- elongatus, Dyris elongatus Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- elongatus, Cryptoconus elongatus (G.P. Deshayes, 1834 †) - (CONIDAE) (FOSSIL)
- elongatus, Conus elongatus S. Borson, 1820 † - (CONIDAE) (FOSSIL)
- elongatus, Conus elongatus L.A. Reeve, 1843 - syn of: Virgiconus moreleti (J.C.H. Crosse, 1858) - (CONIDAE)
- elongatus, Conus elongatus H.S. Holten, 1802 - syn of: Sciteconus mozambicus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- elongatus, Ceratoxancus elongatus K. Sakurai, 1957 - syn of: Ceratoxancus teramachii J.T. Kuroda, 1952 - (COSTELLARIIDAE)
- elongatus, Crassatellites elongatus A. Mizuno, 1952 † - syn of: Crassatella inconspicuus T. Nagao, 1928 † - (CRASSATELLIDAE) (FOSSIL)
- elongatus, Pedipes elongatus W.H. Dall, 1885 - syn of: Creedonia succinea (L. Pfeiffer, 1854) - (ELLOBIIDAE)
- elongatus, Funis elongatus Seeley, 1861 † - (EPITONIIDAE) (FOSSIL)
- elongatus, Streptochetus cheruscus elongatus (P. Nyst, 1843 †) - (FASCIOLARIIDAE) (FOSSIL)
- elongatus, Ferussacia elongatus T.A. de M. Monterosato, 1892 - syn of: Ferussacia folliculus (J.S. Schröter, 1784) - (FERUSSACIIDAE)
- elongatus, Scutus elongatus H.M.D. de Blainville, 1817 - syn of: Scutus antipodes Monfort, 1810 - (FISSURELLIDAE)
- elongatus, Polyschides elongatus J. Henderson, 1920 - syn of: Gadila elongata (J. Henderson, 1920) - (GADILIDAE)
- elongatus, Atys elongatus A. Adams in G.B. II Sowerby, 1850 - syn of: Aliculastrum cylindricum (G.S. Helbling, 1779) - (HAMINOEIDAE)
- elongatus, Austropyrgus elongatus (W.L. May, 1921) - (HYDROBIIDAE)
- elongatus, Hypseloconus elongatus Berkey, 1898 † - (HYPSELOCONIDAE) (FOSSIL)
- elongatus, Pseudomytiloides elongatus Koschelkina, 1985 † - (INOCERAMIDAE) (FOSSIL)
- elongatus, Pleiodon elongatus J.R. Bourguignat, 1879 - syn of: Pleiodon ovatus (W.J. Swainson, 1823) - (IRIDINIDAE)
- elongatus, Ischnochiton elongatus (H.M.D. de Blainville, 1825) - (ISCHNOCHITONIDAE)
- elongatus, Permophorus elongatus Moore † - (KALENTERIDAE) (FOSSIL)
- elongatus, Psilodens elongatus (L. Salvini-Plawén, 1972) - (LIMIFOSSORIDAE)
- elongatus, Littorina elongatus S. Woodward, 1833 - syn of: Littorina littorea (C. Linnaeus, 1758) - (LITTORINIDAE)
- elongatus, Megalobulimus oblongus elongatus (J.C. Bequaert, 1948) - (MEGALOBULIMIDAE)
- elongatus, Hemifusus elongatus (J.B.P.A. Lamarck, 1822) - (MELONGENIDAE)
- elongatus, Pterynotus elongatus (J. Lightfoot, 1786) - (MURICIDAE)
- elongatus, Murex elongatus J.B.P.A. Lamarck, 1822 - syn of: Chicoreus brevifrons (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- elongatus, Trophon elongatus Hu & Y.C. Lee, 1991 - syn of: Nipponotrophon elegantissimus (T. Shikama, 1971) - (MURICIDAE)
- elongatus, Trophon elongatus H. Strebel, 1904 - syn of: Xymenopsis corrugata (L.A. Reeve, 1848) - (MURICIDAE)
- elongatus, Neoschizodus elongatus Boyd & Newell, 1997 † - (MYOPHORIIDAE) (FOSSIL)
- elongatus, Neoschizodus elongatus R.A. Philippi, 1898 † - (MYOPHORIIDAE) (FOSSIL)
- elongatus, Paraschizodus elongatus Newell & Boyd, 1975 † - (MYOPHORIIDAE) (FOSSIL)
- elongatus, Musculus elongatus (F.W. Hutton, 1873 †) - (MYTILIDAE) (FOSSIL)
- elongatus, Bathymodiolus elongatus R. von Cosel, B. Métivier & J. Hashimoto, 1994 - (MYTILIDAE)
- elongatus, Mytilus elongatus J.H. Chemnitz in J.S. Schröter, 1788 - (MYTILIDAE)
- elongatus, Modiolus elongatus W.J. Swainson, 1821 - syn of: Jolya elongata (W.J. Swainson, 1821) - (MYTILIDAE)
- elongatus, Antillophos elongatus B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (NASSARIIDAE) (FOSSIL)
- elongatus, Bulbus elongatus T. Habe & K. Itô, 1965 - syn of: Bulbus smithii J. Brown in Smith, 1839 - (NATICIDAE)
- elongatus, Microcornus elongatus Missarzhevsky, 1980 † - (NELEGEROCORNIDAE) (FOSSIL)
- elongatus, Theodoxus elongatus (Thomä, 1845 †) - (NERITIDAE) (FOSSIL)
- elongatus, Theodoxus elongatus P.M.A. Morelet, 1845 - (NERITIDAE)
- elongatus, Theodoxus elongatus R.A. Philippi, 1844 † - syn of: Theodoxus elongatus (Thomä, 1845 †) - (NERITIDAE) (FOSSIL)
- elongatus, Frenamya elongatus C. Hedley, 1906 - syn of: Pandora aversa (C. Hedley, 1913) - (PANDORIDAE)
- elongatus, Frenamya elongatus P.P. Carpenter, 1865 - syn of: Pandora aversa (C. Hedley, 1913) - (PANDORIDAE)
- elongatus, Senis elongatus L.W. Stephenson, 1953 † - (PHARIDAE) (FOSSIL)
- elongatus, Sibirenauta elongatus (T. Say, 1821) - (PHYSIDAE)
- elongatus, Pyrgotrochus elongatus (J. de C. Sowerby, 1818 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- elongatus, Tylotrochus elongatus K. Bandel, 1993 † - (PROCONULIDAE) (FOSSIL)
- elongatus, Charonia elongatus L.A. Reeve, 1844 - syn of: Monoplex vespaceus J.B.P.A. Lamarck, 1822 - (RANELLIDAE)
- elongatus, Vaderos elongatus (C.S. Weaver, 1912 † †) - (RIMELLIDAE) (FOSSIL)
- elongatus, Sanguinolites elongatus Ciriacks, 1963 † - (SANGUINOLITIDAE) (FOSSIL)
- elongatus, Scaphander elongatus A. Adams, 1862 - (SCAPHANDRIDAE)
- elongatus, Schizodus elongatus A.W. Grabau, 1931 † - (SCHIZODIDAE) (FOSSIL)
- elongatus, Strangulites elongatus (Portlock, 1843 †) - (SINUITIDAE) (FOSSIL)
- elongatus, Cycloconchoides elongatus Zhang, 1980 † - (STENOTHECOIDA INCERTAE SEDIS) (FOSSIL)
- elongatus, Gonaxis elongatus (H.C. Fulton, 1899) - (STREPTAXIDAE)
- elongatus, Subulites elongatus Portlock, 1843 † - (SUBULITIDAE) (FOSSIL)
- elongatus, Burithes elongatus Missarzhevskiy, 1969 † - (SULCAVITIDAE) (FOSSIL)
- elongatus, Trochus elongatus W. Wood, 1828 - syn of: Tosatrochus attenuatus (I.H. Jonas, 1844) - (TROCHIDAE)
- elongatus, Cantharidus caelatus elongatus (H.H. Suter, 1897) - (TROCHIDAE)
- elongatus, Turbo elongatus S. Woodward, 1833 - syn of: Littorina littorea (C. Linnaeus, 1758) - (TURBINIDAE)
- elongatus, Anodon elongatus W.J. Swainson, 1823 - syn of: Anodontites elongata (W.J. Swainson, 1823) - (UNIONIDAE)
- elongatus, Unio elongatus C. Pfeiffer, 1825 - syn of: Unio mancus J.B.P.A. Lamarck, 1819 - (UNIONIDAE)
- elongatus, Helicoconchus elongatus Wilson & al., 2011 † - (VIRIATELLIDAE) (FOSSIL)
- elongatus angustus, Pyrgotrochus elongatus angustus Hudleston † - (PLEUROTOMARIIDAE) (FOSSIL)
- elongatus beattyi, Mesembrinus elongatus beattyi W.J. Clench, 1951 - (BULIMULIDAE)
- elongatus crispus, Ischnochiton elongatus crispus (L.A. Reeve, 1847) - (ISCHNOCHITONIDAE)
- elongatus tryoni, Sibirenauta elongatus tryoni (A. Currier, 1867) - (PHYSIDAE)
- elongella, Bittium elongella J.C. Melvill, 1910 - syn of: Argyropeza verecunda (J.C. Melvill & R. Standen, 1903) - (CERITHIIDAE)
- elongella, Obtortio elongella J.C. Melvill, 1910 - syn of: Argyropeza verecunda (J.C. Melvill & R. Standen, 1903) - (DIASTOMATIDAE)
- elongoides, Onobops elongoides Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- elongoreticulata, Marionia elongoreticulata V.G. Smith & T.M. Gosliner, 2007 - (TRITONIIDAE)
- elongoviridis, Marionia elongoviridis V.G. Smith & T.M. Gosliner, 2007 - (TRITONIIDAE)
- ELONIDAE Gittenberger, 1979 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-HELICOIDEA [Superfamily])
- elophila, Lymnaea elophila J.R. Bourguignat, 1882 - syn of: Lymnaea stagnalis (C. Linnaeus, 1758) - (LYMNAEIDAE)
- elophila, Lymnaea elophila W. Kobelt, 1877 - syn of: Lymnaea araratensis N.D. Kruglov & Y.I. Starobogatov, 1985 - (LYMNAEIDAE)
- elophila, Melanopsis elophila P.M. Pallary, 1925 † - (MELANOPSIDAE) (FOSSIL)
- elora, Spinicharybdis elora (Billings, 1865 †) - (EUOMPHALIDAE) (FOSSIL)
- elora, Pleurotomaria elora Billings, 1865 † - syn of: Spinicharybdis elora (Billings, 1865 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- eloroidea, Pleurotomaria eloroidea Kindle, 1903 † - syn of: Prosolarium crenulatum (Sedgwick & F. McCoy, 1855 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- elozantha, Pilsbryspira elozantha (E. Ravenel, 1861) - (PSEUDOMELATOMIDAE)
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