- lecadrei, Nassa lecadrei L. de Folin, 1867 - syn of: Phrontis versicolor (C.B. Adams, 1852) - (NASSARIIDAE)
- Lecania, syn of: Genus Lottia J.E. Gray, 1833 (LOTTIIDAE)
- Lecanites, Genus Lecanites Mojsisovics, 1882 (LECANITIDAE) (FOSSIL)
- LECANITIDAE Hyatt, 1900 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-DANUBITOIDEA [Superfamily]) (FOSSIL)
- lecannellieri, Gaimardia lecannellieri A. de Rochebrune & J.F. Mabille, 1889 - syn of: Gaimardia trapesina (J.B.P.A. Lamarck, 1819) - (GAIMARDIIDAE)
- Lecanospira, Genus Lecanospira Butts, 1926 (OPHILETIDAE) (FOSSIL)
- lecanospiroides, Lecanospira lecanospiroides Bridge & Cloud, 1947 † - (OPHILETIDAE) (FOSSIL)
- leccoensis, Charpentieria itala leccoensis (A.de Saint-Simon, 1856) - (CLAUSILIIDAE)
- lechaptoisi, Unio lechaptoisi C.M.F. Ancey, 1894 - syn of: Coelatura mossambicensis (E.C. Von Martens, 1860) - (UNIONIDAE)
- lechaptoisi minor, Unio lechaptoisi minor E.C. Von Martens, 1897 - syn of: Coelatura mossambicensis (E.C. Von Martens, 1860) - (UNIONIDAE)
- Lechaptoisia, Genus Lechaptoisia C.M.F. Ancey, 1894 (PALUDOMIDAE)
- lechatelieri, Lignus lechatelieri (P. Dautzenberg, 1893) - (ACHATINIDAE)
- lechatelieri, Perideris lechatelieri P. Dautzenberg, 1893 - syn of: Lignus lechatelieri (P. Dautzenberg, 1893) - (ACHATINIDAE)
- lechatelieri, Lechatelieria lechatelieri (P.M. Pallary, 1917) - (HELICIDAE)
- Lechatelieria, Subgenus Alabastrina (Lechatelieria) P.M. Pallary, 1926 (HELICIDAE)
- lechei, Obesotoma woodiana lechei (N.H. Odhner, 1915) - (MANGELIIDAE)
- lechenaultii, Callistoctopus lechenaultii (A.V.M.D. D'Orbigny, 1826) - (OCTOPODIDAE)
- lechenaultii, Octopus lechenaultii D'Orbigny, 1826 - syn of: Callistoctopus lechenaultii (A.V.M.D. D'Orbigny, 1826) - (OCTOPODIDAE)
- Lechites, Genus Lechites Nowak , 1908 (BACULITIDAE) (FOSSIL)
- lechitides, Baculites lechitides Brunnschweiler, 1966 † - (BACULITIDAE) (FOSSIL)
- lechria, Opisthostoma lechria J.J. Vermeulen, 1991 - (DIPLOMMATINIDAE)
- lechriogramma, Cadella lechriogramma (J.C. Melvill, 1892) - (TELLINIDAE)
- Lechritrochoceras, Genus Lechritrochoceras Foerste, 1926 (LECHRITROCHOCERATIDAE) (FOSSIL)
- LECHRITROCHOCERATIDAE Flower, 1950 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-BARRANDEOCERIDA [Order]) (FOSSIL)
- lechuzaensis, Cerithiopsis lechuzaensis Rivera, 1957 † - (CERITHIOPSIDAE) (FOSSIL)
- lechuzaensis, Dosinia lechuzaensis Rivera, 1957 † - (VENERIDAE) (FOSSIL)
- Lecithophorus, Genus Lecithophorus W. Macnae, 1958 (GYMNODORIDIDAE)
- lecithostoma, Pythia lecithostoma L.A. Reeve, 1854 - (ELLOBIIDAE)
- leckenbyi, Pseudopeltoceras leckenbyi W.I. Bean, 1931 † - (ASPIDOCERATIDAE) (FOSSIL)
- leckenbyi, Beloteuthis leckenbyi Blake † - (BELOTEUTHIDAE) (FOSSIL)
- leckenbyi, Cerithium leckenbyi W.H. Hudleston, 1884 † - (CERITHIIDAE) (FOSSIL)
- leckenbyi, Pleurolytoceras leckenbyi (Lycett) † - (LYTOCERATIDAE) (FOSSIL)
- leckenbyi, Vaugonia leckenbyi (Lycett) † - (MYOPHORELLIDAE) (FOSSIL)
- leckenbyi, Modiolus leckenbyi Morris & Lycett † - (MYTILIDAE) (FOSSIL)
- leckenbyi, Tornquistes leckenbyi (Arkell, 1946 †) - (PACHYCERATIDAE) (FOSSIL)
- leckenbyi, Pleurotomaria leckenbyi (Morris & Lycett) † - (PLEUROTOMARIIDAE) (FOSSIL)
- leckenbyi, Trigonia leckenbyi Lycett † - (TRIGONIIDAE) (FOSSIL)
- leckhamptonensis, Cerithium leckhamptonensis W.H. Hudleston, 1889 † - (CERITHIIDAE) (FOSSIL)
- Leckhamptonia, Genus Leckhamptonia L.R. Cox, 1955 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- lecointrei, Kamerunoceras lecointrei M. Collignon, 1966 † - (ACANTHOCERATIDAE) (FOSSIL)
- lecointrei, Xerosecta lecointrei (P.M. Pallary, 1919) - (HYGROMIIDAE)
- lecointrei, Cernuella lecointrei J.R. Bourguignat - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- lecointrei, Melanopsis lecointrei P.M. Pallary, 1918 - (MELANOPSIDAE)
- lecointrei, Abra lecointrei M. Nicklés, 1955 - (SEMELIDAE)
- Lecointriceras, Genus Lecointriceras Kennedy & al., 1980 (COLLIGNONICERATIDAE) (FOSSIL)
- Lecompteus, Genus Lecompteus Van de Poel, 1959 (MYTILIDAE) (FOSSIL)
- lecontei, Acanthoceras lecontei Anderson, 1958 † - (ACANTHOCERATIDAE) (FOSSIL)
- lecontei, Leconteites lecontei (Anderson, 1902 †) - (HOPLITIDAE) (FOSSIL)
- lecontei, Neripteron lecontei (C.A. Récluz, 1853) - (NERITIDAE)
- lecontei, Pecten lecontei R. Arnold, 1906 † - (PECTINIDAE) (FOSSIL)
- lecontei, Simbirskites lecontei Anderson, 1938 † - (POLYPTYCHITIDAE) (FOSSIL)
- lecontei, Protrachyceras lecontei A. Hyatt & Smith, 1905 † - syn of: Protrachyceras storrsi Smith, 1927 † - (TRACHYCERATIDAE) (FOSSIL)
- Leconteia, Genus Leconteia Hyatt & Smith, 1905 (CLIONITITIDAE) (FOSSIL)
- Leconteiceras, syn of: Genus Leconteia Hyatt & Smith, 1905 (CLIONITITIDAE) (FOSSIL)
- Leconteites, Genus Leconteites Casey , 1954 (HOPLITIDAE) (FOSSIL)
- lecontiana, Elimia caelatura lecontiana (I. Lea, 1841) - (PLEUROCERIDAE)
- lecontianus, Unio lecontianus I. Lea, 1838 - syn of: Elliptio congaraea (I. Lea, 1831) - (UNIONIDAE)
- Leconychia, Genus Leconychia Pojeta & Gilbert-Tomlinson, 1977 (AMBONYCHIIDAE) (FOSSIL)
- lecoqi, Helicigona lecoqi E. Puton in A. Moquin-Tandon, 1855 - syn of: Helicigona lapicida (C. Linnaeus, 1758) - (HELICIDAE)
- lecoquiana, Oliva lecoquiana A.M.P. Ducros De St.Germain, 1857 - (OLIVIDAE)
- lecourtorum, Miliariconus lecourtorum F.Jr. Lorenz, 2011 - (CONIDAE)
- lecourtorum, Chryseofusus lecourtorum K. Fraussen & P. Stahlschmidt, 2014 - (FASCIOLARIIDAE)
- lecta, Metafruticicola lecta (A.E.J. Férussac, 1832) - (HYGROMIIDAE)
- lecta, Pyrgulina lecta (W.H. Dall & P. Bartsch, 1906) - (PYRAMIDELLIDAE)
- lectissima, Iolaea lectissima (W.H. Dall & P. Bartsch, 1906) - (PYRAMIDELLIDAE)
- lectissimoides, Actaeopyramis lectissimoides (M. Yokoyama, 1927 †) - (CIMIDAE) (FOSSIL)
- lectum, Pseudolioceras lectum C.T. Simpson, 1843 † - syn of: Pseudolioceras boulbiense (A.T. Young & Bird, 1822 †) - (HILDOCERATIDAE) (FOSSIL)
- lectus, Ammonites lectus C.T. Simpson, 1843 † - syn of: Pseudolioceras boulbiense (A.T. Young & Bird, 1822 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- lecythis, Cipangopaludina lecythis (W.H. Benson, 1836) - (VIVIPARIDAE)
- Lecythoconcha, syn of: Genus Cipangopaludina H.B. Hannibal, 1912 (VIVIPARIDAE)
- lecythoides, Cipangopaludina lecythoides (W.H. Benson, 1836) - (VIVIPARIDAE)
- leda, Iotrigonia leda Fleming, 1987 † - (IOTRIGONIIDAE) (FOSSIL)
- leda, Retispira leda (J.W. Hall, 1859 †) - (KNIGHTITIDAE) (FOSSIL)
- leda, Loxonema leda J.W. Hall, 1868 † - (LOXONEMATIDAE) (FOSSIL)
- leda, Oxyperas leda (Finlay, 1924 †) - (MACTRIDAE) (FOSSIL)
- leda, Murchisonia leda J.W. Hall, 1861 † - (MURCHISONIIDAE) (FOSSIL)
- Leda, syn of: Genus Nuculana J.H.F. Link, 1807 (NUCULANIDAE)
- leda, Oriostoma leda (A.V.M.D. D'Orbigny, 1850 †) - (ORIOSTOMATIDAE) (FOSSIL)
- leda, Codinella leda (E.A.L. Kittl, 1894 †) - (STUORELLIDAE) (FOSSIL)
- ledaeformis, Pachydon ledaeformis W.H. Dall, 1872 † - (CORBULIDAE) (FOSSIL)
- ledaeformis, Cuspidaria ledaeformis P. Dautzenberg & H. Fischer, 1897 - syn of: Halonympha ledaeformis (P. Dautzenberg & H. Fischer, 1897) - (CUSPIDARIIDAE)
- ledaeformis, Halonympha ledaeformis (P. Dautzenberg & H. Fischer, 1897) - (HALONYMPHIDAE)
- ledaeformis, Taimyria ledaeformis C. Chen & T.C. Lan, 1976 † - (MODIOMORPHIDAE) (FOSSIL)
- ledaluciae, Eurypyrene ledaluciae (E. de C. Rios & L.R. Tostes, 1981) - (COLUMBELLIDAE)
- ledaluciae, Conella ledaluciae (E. de C. Rios & L.R. Tostes, 1981) - syn of: Eurypyrene ledaluciae (E. de C. Rios & L.R. Tostes, 1981) - (COLUMBELLIDAE)
- ledaoae, Amphidromus ledaoae Thach, 2016 - (CAMAENIDAE)
- Ledaspina, syn of: Genus Nuculana J.H.F. Link, 1807 (NUCULANIDAE)
- Ledavolvarina, Subgenus Glabella (Ledavolvarina) E. de C. Rios (MARGINELLIDAE)
- ledburiense, Loxonema ledburiense Longstaff, 1909 † - (LOXONEMATIDAE) (FOSSIL)
- ledburiensis, Bellerophon ledburiensis Reed, 1921 † - (BELLEROPHONTIDAE) (FOSSIL)
- Ledella, Genus Ledella A.E. Verrill & K.J. Bush, 1897 (NUCULANIDAE)
- Ledellina, Genus Ledellina Z.A. Filatova & A.A. Schileyko, 1984 (NUCULANIDAE)
- ledereri, Jaminia ledereri L. Pfeiffer, 1868 - (ENIDAE)
- ledereri, Xeropicta ledereri (L. Pfeiffer, 1856) - (HYGROMIIDAE)
- ledereri mavromoustakisi, Xeropicta ledereri mavromoustakisi (F. Haas, 1933) - (HYGROMIIDAE)
- lederi, Quadriplicata lederi O. Böttger, 1879 - (CLAUSILIIDAE)
- lederi, Striolata lederi (O. Böttger, 1881) - (COCHLOSTOMATIDAE)
- lederi, Rara lederi O. Böttger, 1881 - syn of: Striolata lederi (O. Böttger, 1881) - (COCHLOSTOMATIDAE)
- lederi, Discus lederi O. Böttger, 1880 - syn of: Paralaoma servilis (R.J. Shuttleworth, 1852) - (DISCIDAE)
- lederi, Carychium lederi O. Böttger, 1880 - (ELLOBIIDAE)
- lederi, Pseudochondrula lederi (O. Böttger, 1883) - (ENIDAE)
- lederi, Lampadia lederi O. Böttger, 1879 - syn of: Trochovitrina lederi (O. Böttger, 1879) - (HELICIDAE)
- lederi, Gigantomilax lederi (O. Böttger, 1883) - (LIMACIDAE)
- lederi, Crystallifera lederi (O. Böttger, 1886) - (ORCULIDAE)
- lederi, Sieversia lederi (O. Böttger, 1881) - (OXYCHILIDAE)
- lederi, Oxychilus lederi O. Böttger, 1880 - syn of: Sieversia lederi (O. Böttger, 1881) - (OXYCHILIDAE)
- lederi, Pomatias lederi O. Böttger, 1881 - syn of: Striolata lederi (O. Böttger, 1881) - (POMATIIDAE)
- lederi, Pseudomilax lederi O. Böttger, 1881 - syn of: Trigonochlamys imitatrix O. Böttger, 1881 - (TRIGONOCHLAMYDIDAE)
- lederi, Anodonta lederi J.R. Bourguignat, 1882 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- lederi, Trochovitrina lederi (O. Böttger, 1879) - (VITRINIDAE)
- lederi gradata, Quadriplicata lederi gradata (O. Böttger, 1879) - (CLAUSILIIDAE)
- lederi limis, Buliminus lederi limis C.A. Westerlund, 1887 - syn of: Pseudochondrula lederi (O. Böttger, 1883) - (ENIDAE)
- lederi martensi, Quadriplicata lederi martensi H. Nordsieck, 1983 - (CLAUSILIIDAE)
- lederi triadis, Clausilia lederi triadis O. Böttger, 1881 - syn of: Quadriplicata lederi O. Böttger, 1879 - (CLAUSILIIDAE)
- ledgbirdi, Pseudocharopa ledgbirdi (J.W. Brazier, 1889) - (CHAROPIDAE)
- LEDIDAE - syn of Family: NUCULANIDAE
- lediensis, Vulsellina lediensis Glibert 1975 † - (MALLEIDAE) (FOSSIL)
- lediforme, Lepton lediforme A.A. Olsson, 1961 - syn of: Kurtiella lediforme (A.A. Olsson, 1961) - (LASAEIDAE)
- lediforme, Kurtiella lediforme (A.A. Olsson, 1961) - (MONTACUTIDAE)
- lediformis, Neilonella lediformis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (NEILONELLIDAE)
- lediformis, Tindaria lediformis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Neilonella lediformis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (TINDARIIDAE)
- Ledina, Genus Ledina Dall, 1898 (NUCULANIDAE) (FOSSIL)
- Ledina, syn of: Subgenus Nuculana (Saccella) W.P. Woodring, 1925 (NUCULANIDAE)
- leditae, Trivia leditae E. de C. Rios, 2009 - (TRIVIIDAE)
- lednicensis, Helix lednicensis W. Kobelt, 1906 - syn of: Helix pomatia C. Linnaeus, 1758 - (HELICIDAE)
- lednicensis, Helix lednicensis K. Brancsik, 1888 - syn of: Helix pomatia C. Linnaeus, 1758 - (HELICIDAE)
- Ledoides, Genus Ledoides Wen & Lan, 1976 (NUCULANIDAE) (FOSSIL)
- ledoni, Hexaplex ledoni L. Ceulemans & al., 2016 † - (MURICIDAE) (FOSSIL)
- ledoni, Teinostoma ledoni Schnetler, 2001 † - (TORNIDAE) (FOSSIL)
- ledonicus, Nautilus ledonicus Loriol, 1903 † - syn of: Pseudaganides ledonicus (Loriol, 1903 †) - (NAUTILIDAE) (FOSSIL)
- ledonicus, Camptonectes ledonicus De Loriol, 1904 † - syn of: Camptonectes auritus (Schlotheim, 1813 †) - (PECTINIDAE) (FOSSIL)
- ledonicus, Pseudaganides ledonicus (Loriol, 1903 †) - (PSEUDONAUTILIDAE) (FOSSIL)
- Ledopsis, Genus Ledopsis Beushausen, 1884 (PRAENUCULIDAE) (FOSSIL)
- Ledoulxia, syn of: Genus Trochonanina A. Mousson, 1869 (UROCYCLIDAE)
- ledoulxianus, Unio ledoulxianus Charmes, 1885 - syn of: Coelatura ratidota (Charmes, 1885) - (UNIONIDAE)
- ledrui, Hemicycla ledrui J.F. Mabille, 1883 - syn of: Hemicycla gaudryi (A.V.M.D. D'Orbigny, 1839) - (HELICIDAE)
- lee, Varicospira lee T. Iredale, 1958 - syn of: Varicospira cancellata (J.B.P.A. Lamarck, 1816) - (ROSTELLARIIDAE)
- leeana, Camaena leeana Thach, 2017 - (CAMAENIDAE)
- leeana, Cochlespira leeana E.F. Garcia, 2010 - (COCHLESPIRIDAE)
- leeana, Opalia leeana (A.E. Verrill, 1882) - (EPITONIIDAE)
- leeana, Pteropurpura leeana (W.H. Dall, 1890) - (MURICIDAE)
- leeana, Calcitrapessa leeana (W.H. Dall, 1890) - syn of: Pteropurpura leeana (W.H. Dall, 1890) - (MURICIDAE)
- leeana, Gigantostrea leeana Wilson, 1987 † - (OSTREIDAE) (FOSSIL)
- leeana, Callogonia leeana (W.H. Dall, 1889) - (VESICOMYIDAE)
- leeanneae, Elysia leeanneae G.M. Caballer, J.A. Ortea & J. Espinosa, 2013 - (PLAKOBRANCHIDAE)
- leedae, Sphaeriola leedae J. Marwick, 1953 † - (LUCINIDAE) (FOSSIL)
- leedae, Maoritrigonia leedae Fleming, 1987 † - (TRIGONIIDAE) (FOSSIL)
- leehmani, Conus leehmani A.J. Da Motta & D. Röckel, 1979 - syn of: Pionoconus gubernator (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- leei, Callistochiton leei A. Ferreira, 1979 - (CALLISTOPLACIDAE)
- leei, Chloritis leei (J.C. Cox, 1873) - (CAMAENIDAE)
- leei, Reginaites leei (Reeside, 1927 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- leei, Peroniceras leei Reeside, 1927 † - syn of: Reginaites leei (Reeside, 1927 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- leei, Eohyattoceras leei Glenister & Furnish, 1987 † - (HYATTOCERATIDAE) (FOSSIL)
- leei, Ensis leei M. Huber, 2015 - (PHARIDAE)
- leei, Scaphites leei (Reeside, 1927 †) - (SCAPHITIDAE) (FOSSIL)
- leei, Mayaxis leei F.G. Thompson, 1995 - (SPIRAXIDAE)
- leei, Tampaella leei M. Huber, A. Langleit & K. Kreipl, 2015 - (TELLINIDAE)
- leei, Nanaphora leei Fernandes & A. Pimenta, 2015 - (TRIPHORIDAE)
- leei, Dolichupis leei D. Fehse & J. Grego, 2010 - (TRIVIIDAE)
- leei, Lysinoe leei F.G. Thompson, 1996 - syn of: Lysinoe leai F.G. Thompson, 1996 - (XANTHONYCHIDAE)
- Leeites, syn of: Genus Eohyattoceras Glenister & Furnish, 1987 (HYATTOCERATIDAE) (FOSSIL)
- leejungi, Oocorys leejungi K.Y. Lai, 2013 - (CASSIDAE)
- leekremeri, Conasprelloides leekremeri (E.J. Petuch, 1987) - (CONIDAE)
- leenhardti, Heteroceras leenhardti Kilian, 1889 † - (HETEROCERATIDAE) (FOSSIL)
- leesi, Gervillella leesi Aberhan & Muster, 1997 † - (BAKEVELLIIDAE) (FOSSIL)
- leesi, Altrix leesi (N.F. Sohl, 1992 †) - (FISSURELLIDAE) (FOSSIL)
- leetsense, Dideroceras leetsense Balaschov, 1968 † - (ENDOCERATIDAE) (FOSSIL)
- leeuwinensis, Bothriembryon leeuwinensis (E.A. Smith, 1894) - (BOTHRIEMBRYONTIDAE)
- leeuwinensis, Bulimus leeuwinensis E.A. Smith, 1894 - syn of: Bothriembryon leeuwinensis (E.A. Smith, 1894) - (BULIMULIDAE)
- leeuwinensis, Turritella leeuwinensis (T.A. Garrard, 1972) - (TURRITELLIDAE)
- leeuwinensis, Kurosioia leeuwinensis T.A. Garrard, 1972 - syn of: Turritella leeuwinensis (T.A. Garrard, 1972) - (TURRITELLIDAE)
- leeuwinensis eventus, Bothriembryon leeuwinensis eventus T. Iredale, 1939 - syn of: Bothriembryon leeuwinensis (E.A. Smith, 1894) - (BOTHRIEMBRYONTIDAE)
- leewinensis, Bothriembryon leewinensis E.A. Smith, 1894 - syn of: Bothriembryon leeuwinensis (E.A. Smith, 1894) - (BOTHRIEMBRYONTIDAE)
- lefaiti, Cribrarula lefaiti P. Martin & G.T. Poppe, 1989 - syn of: Cribrarula cumingii astaryi lefaiti P. Martin & G.T. Poppe, 1989 - (CYPRAEIDAE)
- lefebrei, Eratoidea lefebrei J. Espinosa & J.A. Ortea, 2013 - (MARGINELLIDAE)
- lefeburiana, Faustina lefeburiana (A.E.J. Férussac, 1821) - (HELICIDAE)
- lefeburii, Palaeozygopleura lefeburii (Léveillé, 1835 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- lefebvrei, Chauvetia lefebvrei C. Maravigna, 1840 - syn of: Chauvetia lefebvrii (C. Maravigna, 1840) - (BUCCINIDAE)
- lefebvrei, Pseudozygopleura lefebvrei (Léveillé, 1835 †) - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- lefebvrei, Zygopleura lefebvrei Léveillé, 1835 † - syn of: Pseudozygopleura lefebvrei (Léveillé, 1835 †) - (ZYGOPLEURIDAE) (FOSSIL)
- lefebvrii, Chauvetia lefebvrii (C. Maravigna, 1840) - (BUCCINIDAE)
- lefebvrii obliqua, Chauvetia lefebvrii obliqua F. Nordsieck & F.F. Talavera, 1979 - (BUCCINIDAE)
- lefevrei, Huyella lefevrei (Fischer, 1880 †) - (ANOMIIDAE) (FOSSIL)
- lefevrei, Lucina lefevrei A.E.M. Cossmann, 1887 † - (LUCINIDAE) (FOSSIL)
- lefevrei, Marginella lefevrei M. Bernardi, 1853 - (MARGINELLIDAE)
- lefevrei, Purpura lefevrei R.P. Lesson, 1840 - syn of: Thaisella chocolata (P.L. Duclos, 1832) - (MURICIDAE)
- lefevrei, Thomasites lefevrei Douville, 1928 † - syn of: Thomasites rollandi (F. Péron, 1890 †) - (PSEUDOTISSOTIIDAE) (FOSSIL)
- lefevrei, Truncilla lefevrei W.I. Utterback, 1916 - syn of: Dysnomia turgidula I. Lea, 1858 - (UNIONIDAE)
- lefevreiana, Pollia lefevreiana C.M. Tapparone-Canefri, 1880 - syn of: Cytharomorula lefevreiana (C.M. Tapparone-Canefri, 1880) - (BUCCINIDAE)
- lefevreiana, Cytharomorula lefevreiana (C.M. Tapparone-Canefri, 1880) - (MURICIDAE)
- leffingwelli, Astarte leffingwelli W.H. Dall, 1920 † - syn of: Astarte biplicata Stefanini, 1939 † - (ASTARTIDAE) (FOSSIL)
- leforestieri, Clavus leforestieri R.P.J. Hervier, 1896 - syn of: Clavus obliquicostatus leforestieri (R.P.J. Hervier, 1896) - (DRILLIIDAE)
- leforestieri, Clavus obliquicostatus leforestieri (R.P.J. Hervier, 1896) - (DRILLIIDAE)
- leforestieri albina, Clavus leforestieri albina J.L. Bouge & P. Dautzenberg, 1914 - syn of: Clavus obliquicostatus leforestieri (R.P.J. Hervier, 1896) - (DRILLIIDAE)
- leforti, Vexillum leforti H. Turner & R. Salisbury, 1999 - (COSTELLARIIDAE)
- leforti, Erosaria cernica leforti (J.R. Senders & P. Martin, 1987) - (CYPRAEIDAE)
- leforti, Ipsa childreni leforti E.L. Heiman, 2009 - (CYPRAEIDAE)
- leforti, Mitra leforti H. Turner, 2007 - (MITRIDAE)
- lefrevrei, Eocypraea lefrevrei Dolin & Aguerre, 2015 † - (EOCYPRAEIDAE) (FOSSIL)
- lefroyanus, Orthochetus lefroyanus (J.L.H. Michelin, 1828 †) - (CERITHIIDAE) (FOSSIL)
- lefroyi, Quistrachia lefroyi G.A. Solem, 1977 - (CAMAENIDAE)
- lefroyi, Nuculana lefroyi R.H. Beddome, 1882 - syn of: Propeleda ensicula (G.F. Angas, 1877) - (NUCULANIDAE)
- lefroyi, Propeleda lefroyi R.H. Beddome, 1882 - syn of: Propeleda ensicula (G.F. Angas, 1877) - (NUCULANIDAE)
- legallae, Joculator legallae A. Cecalupo & I. Perugia, 2014 - (CERITHIOPSIDAE)
- leganyi, Turricula leganyi Baldi, 1966 † - (CLAVATULIDAE) (FOSSIL)
- legatus, Cylinder legatus (J.B.P.A. Lamarck, 1810) - (CONIDAE)
- Legayella, Subgenus Trochotoma (Legayella) J.C. Fischer, 1969 (TROCHOTOMIDAE) (FOSSIL)
- legayi, Barbatia legayi Rigaux & H.É. Sauvage, 1868 † - (ARCIDAE) (FOSSIL)
- legayi, Legayella legayi (A.E.M. Cossmann, 1885 †) - (TROCHOTOMIDAE) (FOSSIL)
- legendrei, Quistrachia legendrei G.A. Solem, 1997 - (CAMAENIDAE)
- leggongensis, Diplommatina leggongensis J.R. le B. Tomlin, 1941 - (DIPLOMMATINIDAE)
- legibilis, Colchidites legibilis Renngarten, 1951 † - (ANCYLOCERATIDAE) (FOSSIL)
- legionaria, Theba subdentata legionaria C.F. Sacchi, 1955 - (HELICIDAE)
- legionaria, Ledella legionaria Viegas, N.P. Benaim & R.S. Absalão, 2014 - (NUCULANIDAE)
- legitima, Holandriana holandrii legitima (E.A. Rossmässler, 1839) - (PLEUROCERIDAE)
- legitima, Xenuroturris legitima T. Iredale, 1929 - syn of: Iotyrris cingulifera (J.B.P.A. Lamarck, 1822) - (TURRIDAE)
- legoffi, Joculator legoffi Cecalupo & Perugia, 2017 - (CERITHIOPSIDAE)
- legoffi, Compressidentalium legoffi V. Scarabino, 2008 - (DENTALIIDAE)
- legoffi, Turbonilla legoffi A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- legorense, Endocycloceras legorense Ulrich & al., 1944 † - (PROTOCYCLOCERATIDAE) (FOSSIL)
- Legosiphon, syn of: Genus Siphonaria G.B. Sowerby, 1823 (SIPHONARIIDAE)
- legouxi, Loripes legouxi (M. Nicklés, 1952) - (LUCINIDAE)
- legrandi, Calliostoma legrandi (J.E. Tenison-Woods, 1876) - (CALLIOSTOMATIDAE)
- legrandi, Allocharopa legrandi (J.C. Cox, 1868) - (CHAROPIDAE)
- legrandi, Mitrella legrandi (J.E. Tenison-Woods, 1876) - (COLUMBELLIDAE)
- legrandi, Anachis legrandi J.E. Tenison-Woods, 1876 - syn of: Mitrella legrandi (J.E. Tenison-Woods, 1876) - (COLUMBELLIDAE)
- legrandi, Austromitra legrandi J.E. Tenison-Woods, 1876 - syn of: Austromitra analogica (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- legrandi, Drillia legrandi R.H. Beddome, 1883 - syn of: Asperdaphne legrandi (R.H. Beddome, 1883) - (DRILLIIDAE)
- legrandi, Eulima legrandi R.H. Beddome, 1883 - (EULIMIDAE)
- legrandi, Fusus legrandi J.E. Tenison-Woods, 1876 - syn of: Fusinus undulatus (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- legrandi, Zeidora legrandi R. Tate, 1894 - syn of: Zeidora tasmanica (R.H. Beddome, 1883) - (FISSURELLIDAE)
- legrandi, Hyridella legrandi W.F. Petterd, 1889 - syn of: Velesunio moretonicus (L.A. Reeve, 1865) - (HYRIIDAE)
- legrandi, Worthenia legrandi B.S. Kues & Batten, 2001 † - (LOPHOSPIRIDAE) (FOSSIL)
- legrandi, Paziella legrandi Johnston, 1880 † - (MURICIDAE) (FOSSIL)
- legrandi, Asperdaphne legrandi (R.H. Beddome, 1883) - (RAPHITOMIDAE)
- legrandi, Solecurtus legrandi Tenison Woods, 1876 † - (SOLECURTIDAE) (FOSSIL)
- legrandi, Succinea legrandi C.M.D.E. Legrand, 1871 - (SUCCINEIDAE)
- legrandi, Fossarina legrandi W.F. Petterd, 1879 - (TROCHIDAE)
- legrandi, Unio legrandi W.F. Petterd, 1889 - syn of: Velesunio moretonicus (L.A. Reeve, 1865) - (UNIONIDAE)
- legrandi tentabundas, Calliostoma legrandi tentabundas T. Iredale, 1925 - (CALLIOSTOMATIDAE)
- Legrandia, syn of: Genus Zeidora A. Adams, 1860 (FISSURELLIDAE)
- Legrandia, syn of: Genus Ancylastrum J.R. Bourguignat, 1853 (PLANORBIDAE)
- Legrandina, Genus Legrandina Tate, 1901 (CYAMIIDAE) (FOSSIL)
- Legrandina, syn of: Genus Perrierina F. Bernard, 1897 (CYAMIIDAE)
- leguillouana, Nerita leguillouana C.A. Récluz, 1842 - syn of: Nerita undata C. Linnaeus, 1758 - (NERITIDAE)
- legumen, Barbatia legumen (É. Lamy, 1907) - (ARCIDAE)
- legumen, Meioceras legumen (C. Hedley, 1899) - (CAECIDAE)
- legumen, Caecum legumen C. Hedley, 1899 - syn of: Meioceras legumen (C. Hedley, 1899) - (CAECIDAE)
- legumen, Hiatella legumen G.P. Deshayes, 1839 - syn of: Petricola carditoides (T.A. Conrad, 1837) - (HIATELLIDAE)
- legumen, Mutela legumen (A. de Rochebrune, 1886) - (IRIDINIDAE)
- legumen, Malleus legumen L.A. Reeve, 1858 - (MALLEIDAE)
- legumen, Mycetopoda legumen (E.C. Von Martens, 1888) - (MYCETOPODIDAE)
- legumen, Ostrea legumen J.F. Gmelin, 1791 - syn of: Isognomon legumen J.F. Gmelin, 1790 - (OSTREIDAE)
- legumen, Pharus legumen (C. Linnaeus, 1758) - (PHARIDAE)
- legumen, Vulsella legumen d'Archiac & Haime, 1854 † - (PTERIIDAE) (FOSSIL)
- legumen, Isognomon legumen J.F. Gmelin, 1790 - (PTERIIDAE)
- legumen, Anodonta legumen E.C. Von Martens, 1888 - syn of: Mycetopoda legumen (E.C. Von Martens, 1888) - (UNIONIDAE)
- Legumen, Genus Legumen Conrad , 1858 (VENERIDAE) (FOSSIL)
- Legumia, syn of: Genus Ligumia W.J. Swainson, 1840 (UNIONIDAE)
- Leguminaia, Genus Leguminaia T.A. Conrad, 1865 (UNIONIDAE)
- Leguminaria, syn of: Genus Siliqua J.K. Megerle Von Mόhlfeld, 1811 (PHARIDAE)
- leguyaderi, Joculator leguyaderi A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- lehari, Euchondrus nucifragus lehari (W. Wallner, 1943) - (ENIDAE)
- leheuiensis, Achatinella leheuiensis E.A. Smith, 1873 - syn of: Achatinella lehuiensis E.A. Smith, 1873 - (ACHATINELLIDAE)
- lehmanense, Adamsoceras lehmanense Flower, 1968 † - (ACTINOCERIDA (UNASSIGNED)) (FOSSIL)
- Lehmaniceras, syn of: Subgenus Barroisiceras (Texasia) Reeside, 1932 (COLLIGNONICERATIDAE) (FOSSIL)
- lehmanni, Bulimulus lehmanni L. Pfeiffer, 1865 - (BULIMULIDAE)
- lehmanni, Brodieia lehmanni Guex 1972 † - (PHYMATOCERATIDAE) (FOSSIL)
- lehmanni, Abra lehmanni Anderson, 1964 † - (SEMELIDAE) (FOSSIL)
- lehmanni, Stuoraxis lehmanni K. Bandel, 1996 † - (STUORAXIDAE) (FOSSIL)
- lehmanni, Romboteuthis lehmanni Fischer & Riou, 1982 † - (TEUTHIDA (UNASSIGNED)) (FOSSIL)
- lehmanni, Gibbula lehmanni (K.T. Menke, 1843 †) - (TROCHIDAE) (FOSSIL)
- lehmanni, Notogibbula lehmanni (K.T. Menke, 1843) - (TROCHIDAE)
- lehmanni, Prothalotia lehmanni (K.T. Menke, 1843) - (TROCHIDAE)
- lehmanni, Trochus lehmanni K.T. Menke, 1843 - syn of: Prothalotia lehmanni (K.T. Menke, 1843) - (TROCHIDAE)
- lehmanni ramburi, Prothalotia lehmanni ramburi J.C.H. Crosse, 1864 - syn of: Prothalotia ramburi (J.C.H. Crosse, 1864) - (TROCHIDAE)
- Lehmannia, Genus Lehmannia D.F. Heynemann, 1863 (LIMACIDAE)
- lehneri, Eupleura lehneri P.O. Jung, 1969 † - (MURICIDAE) (FOSSIL)
- lehneri, Paraterebra lehneri R.F. Rutsch, 1934 † - (TEREBRIDAE) (FOSSIL)
- lehneri, Conomitra lehneri P.O. Jung, 1971 † - (VOLUTOMITRIDAE) (FOSSIL)
- lehouarnoi, Turbonilla lehouarnoi A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- lehuiensis, Achatinella lehuiensis E.A. Smith, 1873 - (ACHATINELLIDAE)
- lehuiensis gulickiana, Achatinella lehuiensis gulickiana H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- lehuiensis meineckei, Achatinella lehuiensis meineckei H.A. Pilsbry & C.M. Cooke, 1921 - (ACHATINELLIDAE)
- leia, Pyrostoma mellae leia J.R. Bourguignat, 1876 - (CLAUSILIIDAE)
- leia, Doriopsilla leia Er. Marcus, 1961 - syn of: Doriopsilla pharpa Er. Marcus, 1961 - (DENDRODORIDIDAE)
- leia, Marginella leia B.C. Cotton, 1944 - syn of: Mesoginella turbinata (G.B. II Sowerby, 1846) - (MARGINELLIDAE)
- leia, Mesoginella leia B.C. Cotton, 1944 - syn of: Mesoginella turbinata (G.B. II Sowerby, 1846) - (MARGINELLIDAE)
- leia, Elaphriella leia Vilvens & Williams, 2016 - (SOLARIELLIDAE)
- Leia, syn of: Genus Anoma J.A. Albers, 1850 (UROCOPTIDAE)
- Leiabbottella, Genus Leiabbottella G.T. Watters, 2010 (POMATIIDAE)
- leiahiensis, Leptachatina leiahiensis C.M. Cooke, 1910 - (AMASTRIDAE)
- Leialcadia, syn of: Subgenus Alcadia (Idesa) H. Adams & A. Adams, 1856 (HELICINIDAE)
- leibnitziana, Natica leibnitziana King, 1848 † - syn of: Turbo obtusus J. Brown, 1841 † - (NATICIDAE) (FOSSIL)
- leibovitzae, Gibberula leibovitzae J.A. Ortea, 2015 - (CYSTISCIDAE)
- leicharti, Pseudotoites leicharti (M. von Neumayr, 1885 †) - (OTOITIDAE) (FOSSIL)
- leichhardti, Torresitrachia leichhardti F. Köhler, 2011 - (CAMAENIDAE)
- Leichhardtia, Genus Leichhardtia J.C. Walker, 1988 (PLANORBIDAE)
- Leidapoconcha, Genus Leidapoconcha Stiller & Chen, 2006 (MYSIDIELLIDAE) (FOSSIL)
- leidyi, Amphicoelia leidyi J.W. Hall, 1865 † - (AMBONYCHIIDAE) (FOSSIL)
- leidyi, Lobatus leidyi A. Heilprin, 1887 † - (STROMBIDAE) (FOSSIL)
- leidyi brachior, Lobatus leidyi brachior (E.J. Petuch, 1994 †) - (STROMBIDAE) (FOSSIL)
- Leidyula, Genus Leidyula F.C. Baker, 1925 (VERONICELLIDAE)
- leighi, Rissoa leighi J. Brown, 1841 † - (RISSOIDAE) (FOSSIL)
- leightonense, Cleoniceras leightonense Spath, 1942 † - (HOPLITIDAE) (FOSSIL)
- leijiatunensis, Rhabdostropha leijiatunensis Xi & Yu, 1990 † - (LOXONEMATIDAE) (FOSSIL)
- Leila, Genus Leila J.E. Gray, 1840 (MYCETOPODIDAE)
- leilae, Caecum leilae A. Vannozzi, M. Pizzini & B.K. Raines, 2015 - (CAECIDAE)
- leilae, Dahlakia leilae H.E.J. Biggs, 1971 - syn of: Bittium proteum (F.P. Jousseaume, 1931) - (CERITHIIDAE)
- leilanensis, Clavilithes leilanensis E.W. Vredenburg, 1923 † - (FASCIOLARIIDAE) (FOSSIL)
- leimebambensis, Cylindronenia cicatricosa leimebambensis H. Nordsieck, 1999 - (CLAUSILIIDAE)
- leimonias, Laoma leimonias J.E. Gray, 1850 - (PUNCTIDAE)
- leinhaeuseri, Donax leinhaeuseri Nordsieck 1972 † - (DONACIDAE) (FOSSIL)
- Leinzia, Genus Leinzia Mendes, 1949 (PHOLADOMYOIDEA (UNASSIGNED)) (FOSSIL)
- Leioceras, Genus Leioceras Chandler & Callomon, 2009 (GRAPHOCERATIDAE) (FOSSIL)
- Leiochasmea, Genus Leiochasmea W.H. Dall, P. Bartsch & H.A. Rehder, 1938 (GALEOMMATIDAE)
- Leiocheila, syn of: Genus Eurycratera H.H. Beck, 1837 (PLEURODONTIDAE)
- Leiocithara, Genus Leiocithara C. Hedley, 1922 (MANGELIIDAE)
- Leiocythara, syn of: Genus Leiocithara C. Hedley, 1922 (MANGELIIDAE)
- leioderma, Mataxa leioderma N.F. Sohl, 1964 † - (CANCELLARIIDAE) (FOSSIL)
- leioderma, Benthoctopus leioderma (S.S. Berry, 1911) - (OCTOPODIDAE)
- leioderma, Polypus leioderma S.S. Berry, 1911 - syn of: Benthoctopus leioderma (S.S. Berry, 1911) - (OCTOPODIDAE)
- leioderma, Liopeplum leioderma (T.A. Conrad, 1860 †) - (VOLUTIDAE) (FOSSIL)
- Leiodistichites, Genus Leiodistichites Tozer , 1994 (DISTICHITIDAE) (FOSSIL)
- Leiodomus, syn of: Genus Bullia J.E. Gray in E. Griffith & E. Pidgeon, 1834 (NASSARIIDAE)
- leiodon, Ptychodon leiodon (F.W. Hutton, 1883) - (CHAROPIDAE)
- Leiodysodonta, Genus Leiodysodonta Pojeta, Zhang Renjie & Yang Zunyi, 1986 (NUCULIDA (UNASSIGNED)) (FOSSIL)
- leioma, Unio leioma W.H. Benson, 1862 - syn of: Radiatula caerulea (I. Lea, 1831) - (UNIONIDAE)
- Leiomya, Genus Leiomya A. Adams, 1864 (CUSPIDARIIDAE)
- Leiomyalina, syn of: Genus Eurydesma Morris, 1845 (EURYDESMATIDAE) (FOSSIL)
- leiomyoides, Halonympha leiomyoides (J. Poutiers, 1981) - (HALONYMPHIDAE)
- leion, Cravenoceras leion Bisat, 1930 † - (CRAVENOCERATIDAE) (FOSSIL)
- leionoides, Cravenoceras leionoides Ruzhentsev & Bogoslovskaya, 1971 † - (CRAVENOCERATIDAE) (FOSSIL)
- Leionucula, Genus Leionucula Quenstedt, 1930 (NUCULIDAE) (FOSSIL)
- Leiopecten, Genus Leiopecten Khalfin, 1940 (LEIOPECTINIDAE) (FOSSIL)
- LEIOPECTINIDAE Krasilova, 1959 - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-LEIOPECTINOIDEA [Superfamily]) (FOSSIL)
- leiophis, Plectopylis leiophis (W.H. Benson, 1860) - (PLECTOPYLIDAE)
- Leiophyllites, Genus Leiophyllites Renz & Renz, 1948 (USSURITIDAE) (FOSSIL)
- Leioplanaxis, Genus Leioplanaxis P. Lozouet & P. Maestrati, 1994 (PLANAXIDAE)
- Leiopteria, Subgenus Leptodesma (Leiopteria) Gemmellaro, 1896 (PTERINEIDAE) (FOSSIL)
- Leiopyrga, Genus Leiopyrga H. Adams & A. Adams, 1863 (TROCHIDAE)
- Leiorhagium, Genus Leiorhagium M. Haase & P. Bouchet, 1998 (HYDROBIIDAE)
- Leiorhinus, Genus Leiorhinus Gabb, 1860 (STROMBOIDEA (UNASSIGNED)) (FOSSIL)
- leios, Ceratoxancus leios Y.I. Kantor & P. Bouchet, 1997 - (COSTELLARIIDAE)
- Leiosolenus, Subgenus Lithophaga (Leiosolenus) P.P. Carpenter, 1857 (MYTILIDAE)
- leiosomella, Sinuopea leiosomella (Sardeson 1896 †) - (SINUOPEIDAE) (FOSSIL)
- Leiostoma, syn of: Genus Polydontes P.D. Montfort, 1810 (CAMAENIDAE)
- leiostoma, Excussispira decurtata leiostoma (P.M. Heude, 1890) - (CLAUSILIIDAE)
- Leiostoma, syn of: Genus Liostomia G.O. Sars, 1878 (PYRAMIDELLIDAE)
- Leiostraca, syn of: Genus Eulima A. Risso, 1826 (EULIMIDAE)
- leiostraca, Viviparus leiostraca Š. Brusina, 1874 † - (VIVIPARIDAE) (FOSSIL)
- leiostracus, Stenarcestes leiostracus (Mojsisovics, 1875 †) - (ARCESTIDAE) (FOSSIL)
- Leiostracus, Genus Leiostracus J.A. Albers, 1850 (SIMPULOPSIDAE)
- Leiostyla, Genus Leiostyla R.T. Lowe, 1852 (LAURIIDAE)
- Leiosyrinx, Genus Leiosyrinx P. Bouchet & A.V. Sysoev, 2001 (RAPHITOMIDAE)
- leiotera, Costacallista leiotera W.P. Woodring, 1982 † - (VENERIDAE) (FOSSIL)
- Leiotrochus, syn of: Genus Calliostoma W.J. Swainson, 1840 (CALLIOSTOMATIDAE)
- leiotropis, Deltocymatoceras leiotropis (Schluter, 1876 †) - (CYMATOCERATIDAE) (FOSSIL)
- Leiouthara, syn of: Genus Eucithara P. Fischer, 1883 (MANGELIIDAE)
- Leiovirgus, syn of: Genus Hyridella W.J. Swainson, 1840 (HYRIIDAE)
- leipha, Cerithiopsis leipha W.H. Dall, 1927 - (CERITHIOPSIDAE)
- leisei, Pseudorimula leisei L.A. Beck - (LEPETODRILIDAE)
- Leislingites, Genus Leislingites Tatzreiter , 1980 (THETIDITIDAE) (FOSSIL)
- leita, Nuculana proteracuta leita J. Gardner, 1926 † - (NUCULANIDAE) (FOSSIL)
- leithi, Charactoceras leithi R.N. Nelson † - (APSIDOCERATIDAE) (FOSSIL)
- leithi, Cerithium leithi Hislop, 1859 † - (CERITHIIDAE) (FOSSIL)
- leithiana, Kaliella leithiana H.H. Godwin-Austen, 1883 - (CHRONIDAE)
- leithii, Diala leithii E.A. Smith, 1876 - syn of: Mainwaringia leithii (E.A. Smith, 1876) - (DIALIDAE)
- leithii, Alaba leithii E.A. Smith, 1876 - syn of: Mainwaringia leithii (E.A. Smith, 1876) - (LITIOPIDAE)
- leithii, Mainwaringia leithii (E.A. Smith, 1876) - (LITTORINIDAE)
- leitrimense, Trizonoceras leitrimense Moore, 1958 † - (DIMORPHOCERATIDAE) (FOSSIL)
- leitrimense, Liroceras leitrimense Ramsbottom & Moore, 1961 † - (LIROCERATIDAE) (FOSSIL)
- leivaense, Pseudohaploceras leivaense (Etayo-Serna †) - (DESMOCERATIDAE) (FOSSIL)
- leivaensis, Crioceratites leivaensis Kakabadze & Hoedemaeker, 1997 † - syn of: Emericiceras leivaensis (Kakabadze & Hoedemaeker, 1997 †) - (CRIOCERATITIDAE) (FOSSIL)
- leivaensis, Emericiceras leivaensis (Kakabadze & Hoedemaeker, 1997 †) - (EMERICICERATIDAE) (FOSSIL)
- leiyangense, Huananoceras leiyangense F.S. Xu, 1977 † - (HUANANOCERATIDAE) (FOSSIL)
- leiyangensis, Palaeoneilo leiyangensis H.X. Liu, 1976 † - (MALLETIIDAE) (FOSSIL)
- leiyangensis, Nuculopsis leiyangensis H.X. Liu, 1976 † - (NUCULIDAE) (FOSSIL)
- leiyangensis, Pseudomonotis leiyangensis H.X. Liu, 1976 † - (PSEUDOMONOTIDAE) (FOSSIL)
- lejavai, Oxyloma lejavai V. Hüdec, 1966 - syn of: Oxyloma sarsii (B. Esmark & Z.A. Hoyer, 1886) - (SUCCINEIDAE)
- Lejeania, Genus Lejeania C.M.F. Ancey, 1887 (HYGROMIIDAE)
- lejeunei, Halolimnohelix sericata lejeunei B. Verdcourt - (HALOLIMNOHELICIDAE)
- lejeunei, Strombolaria lejeunei M. Rouault, 1850 † - syn of: Eotibia lejeunei (M. Rouault, 1850 †) - (RIMELLIDAE) (FOSSIL)
- lejeunei, Eotibia lejeunei (M. Rouault, 1850 †) - (ROSTELLARIIDAE) (FOSSIL)
- lejeuni, Eotibia lejeuni M. Rouault, 1850 † - syn of: Eotibia lejeunei (M. Rouault, 1850 †) - (ROSTELLARIIDAE) (FOSSIL)
- lejeunii, Platyceras lejeunii A.H. Clarke, 1908 † - (PLATYCERATIDAE) (FOSSIL)
- lejeunii, Sassia lejeunii (Melleville, 1843 †) - (RANELLIDAE) (FOSSIL)
- lekalekanum, Sinum lekalekanum H.S. Ladd, 1945 † - syn of: Synaptocochlea lekalekanum (H.S. Ladd, 1945 †) - (NATICIDAE) (FOSSIL)
- lekalekanum, Synaptocochlea lekalekanum (H.S. Ladd, 1945 †) - (TROCHIDAE) (FOSSIL)
- Lekiskochiton, Genus Lekiskochiton Hoare & Smith, 1984 (LEPTOCHITONIDAE) (FOSSIL)
- lekithostoma, Pythia lekithostoma L.A. Reeve, 1832 - (ELLOBIIDAE)
- lekker, Goniobranchus lekker (T.M. Gosliner, 1994) - (CHROMODORIDIDAE)
- lelandi, Clathrodrillia lelandi A.A. Olsson, 1964 † - (DRILLIIDAE) (FOSSIL)
- leleci, Lamprotula leleci (P.M. Heude, 1875) - (UNIONIDAE)
- leleciana, Corbicula leleciana P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- leleuffi, Falsolucinoma leleuffi R. von Cosel, 1989 - (LUCINIDAE)
- lelieuri, Clavatula lelieuri (C.A. Récluz, 1851) - (CLAVATULIDAE)
- leloeuffi, Dischides leloeuffi (M. Nicklés, 1979) - (GADILIDAE)
- leloeuffi, Falsolucinoma leloeuffi (R. von Cosel, 1989) - (LUCINIDAE)
- leloeuffi, Hastula leloeuffi P. Bouchet, 1983 - (TEREBRIDAE)
- leloiri, Pododesmus leloiri A. Carcelles, 1941 - (ANOMIIDAE)
- leloupi, Leptochiton leloupi P. Kaas, 1979 - (LEPTOCHITONIDAE)
- leloupi, Tornus leloupi W. Adam & J. Knudsen, 1969 - (TORNIDAE)
- Leloupia, Genus Leloupia P. Kaas & R.A. Van Belle, 1990 (CALLOCHITONIDAE)
- lemaitrei, Amalda lemaitrei R.N. Kilburn, 1993 - (ANCILLARIIDAE)
- lemaitrei, Marginella lemaitrei W. Liltved & V.G. Millard, 1994 - (MARGINELLIDAE)
- lemaitrei, Triviella lemaitrei (W. Liltved, 1986) - (TRIVIIDAE)
- lemaitrei, Fusivoluta lemaitrei G.T. Poppe, 1992 - (VOLUTIDAE)
- lemani, Stalioa lemani B. de Basterot, 1825 † - syn of: Schuettemmericia lemani (B. de Basterot, 1825 †) - (AMNICOLIDAE) (FOSSIL)
- lemani, Pleuroxia lemani G.P.L.K. Gude, 1916 - (CAMAENIDAE)
- lemani, Phaedusa lemani (G.P.L.K. Gude, 1914) - (CLAUSILIIDAE)
- lemani, Schuettemmericia lemani (B. de Basterot, 1825 †) - (HYDROBIIDAE) (FOSSIL)
- lemani, Cyclostoma lemani B. de Basterot, 1825 † - syn of: Schuettemmericia lemani (B. de Basterot, 1825 †) - (POMATIIDAE) (FOSSIL)
- lemani, Fossarulus lemani B. de Basterot, 1825 † - syn of: Schuettemmericia lemani (B. de Basterot, 1825 †) - (RISSOOIDEA (unassigned)) (FOSSIL)
- lemani, Nystia lemani B. de Basterot, 1825 † - syn of: Schuettemmericia lemani (B. de Basterot, 1825 †) - (TRUNCATELLIDAE) (FOSSIL)
- lemania, Cabestana lemania A. Risso, 1826 - syn of: Cabestana cutacea (C. Linnaeus, 1767) - (RANELLIDAE)
- lemanii, Venus lemanii B.C.M. Payraudeau, 1826 - syn of: Venus verrucosa C. Linnaeus, 1758 - (VENERIDAE)
- lemarchandi, Clavilithes lemarchandi A.E.M. Cossmann, 1907 † - (FASCIOLARIIDAE) (FOSSIL)
- lemarchandi, Nowakites lemarchandi (A.V.M.D. D'Orbigny 1841 †) - (PACHYDISCIDAE) (FOSSIL)
- lemayi, Spondylus lemayi F.P. Jousseaume in É. Lamy, 1927 - syn of: Spondylus layardi L.A. Reeve, 1856 - (SPONDYLIDAE)
- lembataensis, Amphidromus poecilochrous lembataensis B. Dharma, 2007 - (CAMAENIDAE)
- lembehense, Phyllodesmium lembehense G.E. Burghardt, M. Schrödl & H. Wägele, 2008 - (FACELINIDAE)
- lembeyana, Helicina lembeyana F. Poey, 1854 - (HELICINIDAE)
- lembeyi, Chondropoma lembeyi C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- lembodes, Pinnocaris lembodes F.S. Xu, 1990 † - (RIBEIRIIDAE) (FOSSIL)
- Lembulis, syn of: Genus Nuculana J.H.F. Link, 1807 (NUCULANIDAE)
- Lembulus, Subgenus Nuculana (Lembulus) A. Risso, 1826 (NUCULANIDAE)
- lemchei, Cyclochlamys lemchei (A.W.B. Powell, 1958) - (CYCLOCHLAMYDIDAE)
- lemchei, Cylichna lemchei P. Bouchet & A. Warén, 1979 - (CYLICHNIDAE)
- lemchei, Gargamella lemchei (Ev. Marcus, 1976) - (DISCODORIDIDAE)
- lemchei, Jorunna lemchei Ev. Marcus, 1976 - syn of: Gargamella lemchei (Ev. Marcus, 1976) - (DISCODORIDIDAE)
- lemchei, Doto lemchei J.A. Ortea & V. Urgorri, 1978 - (DOTIDAE)
- lemchei, Streptolathyrus lemchei Schnetler, 2001 † - (FASCIOLARIIDAE) (FOSSIL)
- lemchei, Mathilda lemchei J.P.J. Ravn, 1939 † - (MATHILDIDAE) (FOSSIL)
- lemchei, Sylvestrosphaera lemchei Peel, 1980 † - (SINUITIDAE) (FOSSIL)
- Lemchephila, Subgenus Neopilina (Lemchephila) L.I. Moskalev, Y.I. Starobogatov & Z.A. Filatova, 1983 (NEOPILINIDAE)
- Lemchephyala, syn of: Subgenus Neopilina (Lemchephila) L.I. Moskalev, Y.I. Starobogatov & Z.A. Filatova, 1983 (NEOPILINIDAE)
- lemei, Sarasinula lemei J.W. Thomé, 1967 - syn of: Sarasinula plebeia (H. Fischer, 1898) - (VERONICELLIDAE)
- Lemencia, Genus Lemencia Donze & Enay, 1961 (ATAXIOCERATIDAE) (FOSSIL)
- Lementina, syn of: Genus Thylacodes J.Ι. Guettard, 1770 (VERMETIDAE)
- lemeslei, Camaena lemeslei (L.J. Morlet, 1891) - (CAMAENIDAE)
- lemeslei, Helix lemeslei L.J. Morlet, 1891 - syn of: Camaena lemeslei (L.J. Morlet, 1891) - (HELICIDAE)
- lemeslei, Limnoperna lemeslei A. de Rochebrune, 1882 - syn of: Limnoperna fortunei (R.W. Dunker, 1857) - (MYTILIDAE)
- lemeslei, Modiolus lemeslei A.E.M. Cossmann & A. Lambert, 1884 † - syn of: Modiolula pygmaea (R.A. Philippi, 1843 †) - (MYTILIDAE) (FOSSIL)
- lemeslei, Pilsbryoconcha lemeslei (P.M.A. Morelet, 1875) - (UNIONIDAE)
- lemesli, Candidula lemesli J.F. Mabille, 1882 - syn of: Candidula gigaxii (L. Pfeiffer, 1850) - (HYGROMIIDAE)
- lemfoerdensis, Lemfoerdiceras lemfoerdensis Schluter, 1872 † - (PLACENTICERATIDAE) (FOSSIL)
- Lemfoerdiceras, Subgenus Hoplitoplacenticeras (Lemfoerdiceras) D'Orbigny, 1841 (PLACENTICERATIDAE) (FOSSIL)
- Leminda, Genus Leminda R.J. Griffiths, 1985 (CHARCOTIIDAE)
- Lemintina, Genus Lemintina Risso, 1826 (VERMETIDAE) (FOSSIL)
- Lemintina, syn of: Genus Serpulorbis M. Sassi, 1827 (VERMETIDAE)
- Lemiox, Genus Lemiox C.S. Rafinesque, 1831 (UNIONIDAE)
- Lemitina, syn of: Genus Thylacodes J.Ι. Guettard, 1770 (VERMETIDAE)
- lemkei, Achatinella apexfulva lemkei D.A. Welch, 1942 - (ACHATINELLIDAE)
- lemkei, Solariconulus lemkei (Wittenburg, 1908 †) - (TROCHIDAE) (FOSSIL)
- lemma, Mitra lemma T. Iredale, 1929 - syn of: Nebularia ferruginea (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- lemmoni, Partulina lemmoni D.D. Baldwin, 1906 - (ACHATINELLIDAE)
- lemniscata, Ampullaria lemniscata P.H. Fischer & J.C.H. Crosse, 1890 - syn of: Pomacea flagellata (T. Say, 1829) - (AMPULLARIIDAE)
- lemniscata, Mexichromis lemniscata (J.R.C. Quoy & J.P. Gaimard, 1832) - (CHROMODORIDIDAE)
- lemniscata, Glossodoris lemniscata J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Mexichromis lemniscata (J.R.C. Quoy & J.P. Gaimard, 1832) - (CHROMODORIDIDAE)
- lemniscata, Durvilledoris lemniscata J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Mexichromis lemniscata (J.R.C. Quoy & J.P. Gaimard, 1832) - (CHROMODORIDIDAE)
- lemniscata, Monilearia lemniscata (P.B. Webb & S. Berthelot, 1833) - (COCHLICELLIDAE)
- lemniscata, Doris lemniscata J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Mexichromis lemniscata (J.R.C. Quoy & J.P. Gaimard, 1832) - (DORIDIDAE)
- lemniscata, Drilluta lemniscata N.F. Sohl, 1964 † - (FASCIOLARIIDAE) (FOSSIL)
- lemniscata, Fedaiella lemniscata (R. Hoernes, 1856 †) - (FEDAIELLIDAE) (FOSSIL)
- lemniscata, Echinolittorina lemniscata (R.A. Philippi, 1846) - (LITTORINIDAE)
- lemniscata, Littorina lemniscata R.A. Philippi, 1846 - syn of: Echinolittorina lemniscata (R.A. Philippi, 1846) - (LITTORINIDAE)
- lemniscata, Natica lemniscata R.A. Philippi, 1852 - syn of: Natica marochiensis (J.F. Gmelin, 1791) - (NATICIDAE)
- lemniscata, Scaeochlamys lemniscata (L.A. Reeve, 1853) - (PECTINIDAE)
- lemniscata, Laevichlamys lemniscata L.A. Reeve, 1853 - syn of: Scaeochlamys lemniscata (L.A. Reeve, 1853) - (PECTINIDAE)
- lemniscata, Pseudodaphnella lemniscata (G. Nevill & H. Nevill, 1869) - (RAPHITOMIDAE)
- lemniscatum, Cerithium lemniscatum J.R.C. Quoy & J.P. Gaimard, 1834 - syn of: Cerithium zonatum (W. Wood, 1828) - (CERITHIIDAE)
- lemniscatus, Bostryx lemniscatus (G.P. Deshayes, 1838) - (BULIMULIDAE)
- lemniscatus, Lamniconus lemniscatus (L.A. Reeve, 1849) - (CONIDAE)
- lemniscatus, Anomalofusus lemniscatus N.F. Sohl, 1964 † - (FASCIOLARIIDAE) (FOSSIL)
- lemniscatus, Pecten lemniscatus L.A. Reeve, 1853 - syn of: Scaeochlamys lemniscata (L.A. Reeve, 1853) - (PECTINIDAE)
- lemniscatus carcellesi, Conus lemniscatus carcellesi C.M. Martins, 1945 - syn of: Lamniconus carcellesi (C.M. Martins, 1945) - (CONIDAE)
- Lemniscia, Genus Lemniscia R.T. Lowe, 1854 (HYGROMIIDAE)
- lemniscoides, Cadulus lemniscoides V. Scarabino, 2008 - (GADILIDAE)
- Lemniscolittorina, Genus Lemniscolittorina Sohl, 1960 (MATHILDIDAE) (FOSSIL)
- lemoinei, Corbicula lemoinei L.J. Morlet, 1891 - syn of: Corbicula tenuis S. Clessin, 1887 - (CYRENIDAE)
- lemoinei, Desmoceras latidorsatum lemoinei M. Collignon, 1928 † - (DESMOCERATIDAE) (FOSSIL)
- lemoinei, Salaziceras lemoinei J. Kennedy & Klinger, 2008 † - (FLICKIIDAE) (FOSSIL)
- lemoinei, Deltoidonautilus lemoinei Miller, 1951 † - (HERCOGLOSSIDAE) (FOSSIL)
- lemoinei, Odontostomus lemoinei C.M.F. Ancey, 1892 - (ODONTOSTOMIDAE)
- lemoncello, Aegires lemoncello S.J. Fahey & T.M. Gosliner, 2004 - (AEGIRIDAE)
- lemonei, Pararaphistoma lemonei Flower, 1968 † - syn of: Ceratopea lemonei (Flower, 1968 †) - (LESUEURILLIDAE) (FOSSIL)
- lemonei, Manchuroceras lemonei Hook & Flower, 1977 † - (MANCHUROCERATIDAE) (FOSSIL)
- lemonei, Ceratopea lemonei (Flower, 1968 †) - (RAPHISTOMATIDAE) (FOSSIL)
- lemongensis, Amphidromus palaceus lemongensis B. Dharma, 2007 - (CAMAENIDAE)
- lemoni, Conus lemoni E.J. Petuch, 1990 † - (CONIDAE) (FOSSIL)
- lemoni, Ceratopea lemoni Flower, 1968 † - syn of: Ceratopea lemonei (Flower, 1968 †) - (RAPHISTOMATIDAE) (FOSSIL)
- lemotheuxi, Unio lemotheuxi G. Servain, 1889 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- lemovicincae, Unio lemovicincae A.E.J. Férussac, 1807 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- lempensis, Nephronaias lempensis W.B. Marshall, 1926 - (UNIONIDAE)
- lemprierei, Xerosecta lemprierei (P.M. Pallary, 1915) - (HYGROMIIDAE)
- lemprierei, Xerophila lemprierei P.M. Pallary, 1915 - syn of: Xerosecta lemprierei (P.M. Pallary, 1915) - (HYGROMIIDAE)
- lemur, Conus lemur A.A.H. Lichtenstein, 1794 - (CONIDAE)
- lemur, Leachia lemur (S.S. Berry, 1920) - (CRANCHIIDAE)
- lemur, Plocamopherus lemur Y. Vallès & T.M. Gosliner, 2006 - (POLYCERIDAE)
- lemuriana, Luria lemuriana W.R. Steadman & B.C. Cotton, 1946 - syn of: Luria isabella (C. Linnaeus, 1758) - (CYPRAEIDAE)
- lemurica, Volva lemurica F.A. Schilder, 1941 - syn of: Volva volva (C. Linnaeus, 1758) - (OVULIDAE)
- lemuriensis, Leptoconus milneedwardsi lemuriensis (E. Wils & A. Delsaerdt, 1989) - (CONIDAE)
- Lemuroceras, Genus Lemuroceras McLearn, 1972 (HOPLITIDAE) (FOSSIL)
- Lemuroceras, syn of: Genus Arcthoplites Nagy, 1970 (HOPLITIDAE) (FOSSIL)
- lemyrei, Hemiphaedusa lemyrei A.R.J.B. Bavay & P. Dautzenberg, 1899 - (CLAUSILIIDAE)
- lemyrei, Diplommatina lemyrei A.R.J.B. Bavay & P. Dautzenberg, 1903 - (DIPLOMMATINIDAE)
- lemyrei, Discartemon lemyrei (L.J. Morlet, 1883) - (STREPTAXIDAE)
- lena, Pernagera lena T. Iredale, 1939 - (CHAROPIDAE)
- lena, Knightoceras lena Shimanskiy, 1967 † - (KONINCKIOCERATIDAE) (FOSSIL)
- lena, Thais lena P.F. Röding, 1798 - syn of: Thais nodosa (C. Linnaeus, 1758) - (MURICIDAE)
- lenae, Isititheca lenae A.V. Sysoev, 1968 † - (SITITHECIDAE) (FOSSIL)
- lenae, Anodonta lenae V.I. Zhadin, 1938 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- Lenaella, Genus Lenaella Byalyi, 1973 (SCENELLIDAE) (FOSSIL)
- lenaense, Armenoceras lenaense Balaschov, 1962 † - (ARMENOCERATIDAE) (FOSSIL)
- lenaense, Boreoceras lenaense Dagys & Konstatinov, 1984 † - syn of: Epiboreoceras lenaense (Dagys & Konstatinov, 1984 †) - (COLUMBITIDAE) (FOSSIL)
- lenaense, Phaneroceras lenaense Andrianov, 1966 † - (PSEUDOPARALEGOCERATIDAE) (FOSSIL)
- lenaense, Epiboreoceras lenaense (Dagys & Konstatinov, 1984 †) - (SIBIRITIDAE) (FOSSIL)
- lenaensis, Evenia lenaensis Voronetz, 1936 † - (ATOMODESMATIDAE) (FOSSIL)
- lenaensis, Frechites lenaensis Konstantinov, 1991 † - (BEYRICHITIDAE) (FOSSIL)
- lenaensis, Kolymia lenaensis Voronetz, 1936 † - syn of: Kolymia bulkurensis (Voronetz, 1936 †) - (KOLYMIIDAE) (FOSSIL)
- lenaensis, Plagiostoma lenaensis Kurushin, 1998 † - (LIMIDAE) (FOSSIL)
- lenaensis, Lymnaea lenaensis N.D. Kruglov & Y.I. Starobogatov, 1985 - (LYMNAEIDAE)
- lenaensis, Multifarites lenaensis Byalyj, 1973 † - (MULTIFARIIDAE) (FOSSIL)
- lenaensis, Janopecten lenaensis Kurushin, 1985 † - (PECTINIDAE) (FOSSIL)
- Lenagalba, syn of: Genus Orientogalba N.D. Kruglov & Y.I. Starobogatov, 1985 (LYMNAEIDAE)
- lenaicus, Galicornus lenaicus Valkov, 1975 † - (GALICORNIDAE) (FOSSIL)
- Lenalituus, Genus Lenalituus Missarzhevsky , 1980 (SULCAVITIDAE) (FOSSIL)
- Lenameria, syn of: Genus Physastra C.M. Tapparone-Canefri, 1883 (PLANORBIDAE)
- lenapalus, Gyraulus lenapalus (J.R. Bourguignat, 1881 ) - (PLANORBIDAE)
- lenaploa, Aegopinella lenaploa É.A.A. Locard, 1894 - syn of: Aegopinella nitens (A. Michaud, 1831) - (ZONITIDAE)
- lenarrosta, Aegopinella lenarrosta J.R. Bourguignat, 1894 - syn of: Aegopinella pura (J. Alder, 1830) - (ZONITIDAE)
- Lenatheca, Genus Lenatheca Rozanov & al., 1969 (ORTHOTHECIDAE) (FOSSIL)
- lenaui, Trachyceras lenaui Mojsisovics, 1893 † - syn of: Sirenotrachyceras thusneldae (Mojsisovics, 1893 †) - (TRACHYCERATIDAE) (FOSSIL)
- lenavati, Kioconus lenavati (A.J. Da Motta & D. Röckel, 1982) - (CONIDAE)
- Lenbulus, syn of: Subgenus Nuculana (Lembulus) A. Risso, 1826 (NUCULANIDAE)
- lencoranea, Caucasotachea lencoranea (A. Mousson, 1863) - (HELICIDAE)
- lencoranica, Pyrgula lencoranica B.M. Logvinenko & Y.I. Starobogatov, 1968 - (HYDROBIIDAE)
- lendix, Syrnola lendix (C.B. Adams, 1863) - (PYRAMIDELLIDAE)
- lendli, Gyraulus lendli (Š. Brusina, 1902) - (PLANORBIDAE)
- lene, Anabathron lene C. Hedley, 1918 - (ANABATHRIDAE)
- lene, Nemocardium lene (T.A. Conrad, 1856 †) - (CARDIIDAE) (FOSSIL)
- lenella, Erronea cylindrica lenella T. Iredale, 1939 - (CYPRAEIDAE)
- Lenella, Genus Lenella (PTERIIDA (UNASSIGNED)) (FOSSIL)
- lenesicense, Lewesiceras lenesicense Housa, 1967 † - syn of: Lewesiceras mantelli Wright & Wright, 1951 † - (PACHYDISCIDAE) (FOSSIL)
- leneumicra, Pseudopaludinella leneumicra (J.R. Bourguignat, 1876) - (HYDROBIIDAE)
- lenfanti, Eupala unicolor lenfanti (J. Germain, 1907) - (VIVIPARIDAE)
- lengtinosa, Oliva lengtinosa L.A. Reeve, 1850 - syn of: Oliva jaspidea P.L. Duclos, 1835 - (OLIVIDAE)
- lengwuense, Tongluceras lengwuense J.K. Zhao & Zheng, 1977 † - (CYCLOLOBIDAE) (FOSSIL)
- lenhilli, Conasprella lenhilli (W.P. Cargile, 1998) - (CONIDAE)
- lenhilli, Dalliconus lenhilli (W.P. Cargile, 1998) - syn of: Conasprella lenhilli (W.P. Cargile, 1998) - (CONIDAE)
- lenhilli, Pusia lenhilli E.A. Kay, 1979 - (COSTELLARIIDAE)
- lenhilli, Mitra lenhilli E.J. Petuch, 1988 - (MITRIDAE)
- lenhilli, Oliva lenhilli E.J. Petuch & D.M. Sargent, 1986 - syn of: Oliva baileyi E.J. Petuch, 1979 - (OLIVIDAE)
- lenini, Guerichina lenini Ludvigsen, 1972 † - (PENEAUIIDAE) (FOSSIL)
- lenior, Cymatonota lenior Foerste, 1914 † - (MODIOMORPHIDAE) (FOSSIL)
- lenior, Diloma bicanaliculata lenior (H.J. Finlay, 1927) - (TROCHIDAE)
- lenior, Epioblasma lenior (I. Lea, 1842) - (UNIONIDAE)
- lenis, Laevozebrinus lenis A.A. Schileyko, 1984 - (ENIDAE)
- lenis, Braunsella lenis (S.S. Buckman, 1888 †) - (HILDOCERATIDAE) (FOSSIL)
- lenis, Retusa lenis Á. Valdés, 2008 - (RETUSIDAE)
- lenis, Solariella lenis (J. Marwick, 1928 †) - (SOLARIELLIDAE) (FOSSIL)
- lenis, Macoma lenis T.A. Conrad, 1843 † - (TELLINIDAE) (FOSSIL)
- lenis, Pitar lenis H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Agriopoma mexicanum (L.G. Hertlein & A.M. Strong, 1948) - (VENERIDAE)
- lenis, Lyrodiscus lenis (R.J. Shuttleworth, 1852) - (ZONITIDAE)
- lenisulcata, Anthracomya lenisulcata Trueman † - (ANTHRACOSIIDAE) (FOSSIL)
- leniterdentata, Turbonilla leniterdentata A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- Lenitrophon, syn of: Genus Xymene T. Iredale, 1915 (MURICIDAE)
- leniumbilicata, Argalista leniumbilicata C.R. Laws, 1935 † - (COLLONIIDAE) (FOSSIL)
- leniusculus, Etheripecten leniusculus (J.B.M. Dana, 1847 †) - (HETEROPECTINIDAE) (FOSSIL)
- leniusculus, Pecten leniusculus J.B.M. Dana, 1847 † - syn of: Etheripecten leniusculus (J.B.M. Dana, 1847 †) - (PECTINIDAE) (FOSSIL)
- lenkae, Trinchesia lenkae A.V. Martynov, 2002 - (TRINCHESIIDAE)
- lenkoranea, Caucasotachea lenkoranea A. Mousson, 1863 - syn of: Caucasotachea lencoranea (A. Mousson, 1863) - (HELICIDAE)
- lenkoranensis, Anodonta lenkoranensis H. Drouët, 1881 - syn of: Anodonta cyrea H. Drouët, 1881 - (UNIONIDAE)
- lenkoranus, Monochroma lenkoranus H.R. Simroth, 1912 - (LIMACIDAE)
- lennaei, Pomacea lennaei L.A. Reeve, 1856 - syn of: Pomacea lineata (J.B. von Spix, 1827) - (AMPULLARIIDAE)
- lennensis, Ulungaratoconcha lennensis (Heidelberger & Koch, 2005 †) - (CHEENEETNUKIIDAE) (FOSSIL)
- lennensis, Donaldina lennensis Heidelberger & Koch, 2005 † - syn of: Ulungaratoconcha lennensis (Heidelberger & Koch, 2005 †) - (DONALDINIDAE) (FOSSIL)
- lennieri, Architectonica lennieri A.E.M. Cossmann & G. Pissarro, 1902 † - (ARCHITECTONICIDAE) (FOSSIL)
- lennieri, Cardium lennieri A.E.M. Cossmann & G. Pissarro † - (CARDIIDAE) (FOSSIL)
- lennieri, Roxania lennieri A.E.M. Cossmann & G. Pissarro † - (SCAPHANDRIDAE) (FOSSIL)
- lennum, Sinumelon lennum T. Iredale, 1939 - (CAMAENIDAE)
- lennum mutuum, Sinumelon lennum mutuum T. Iredale, 1939 - (CAMAENIDAE)
- lennyi, Amaea lennyi E.F. Garcia, 2003 - (EPITONIIDAE)
- Lenobelus, Genus Lenobelus Gustomesov, 1966 (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- lenoblei, Menabites lenoblei M. Collignon, 1948 † - (COLLIGNONICERATIDAE) (FOSSIL)
- lenoblei, Menuthiocrioceras lenoblei M. Collignon, 1949 † - (CRIOCERATITIDAE) (FOSSIL)
- Lenoconus, Genus Lenoconus Vassiljeva, 1990 (HELCIONELLIDAE) (FOSSIL)
- lenoiri, Schuettemmericia lenoiri (W.R. Schlickum, 1968 †) - (HYDROBIIDAE) (FOSSIL)
- lenoleuca, Theba lenoleuca J.R. Bourguignat - syn of: Theba pisana (O.F. Müller, 1774) - (HELICIDAE)
- lenoreae, Phenacovolva lenoreae C. Cardin & J.G. Walls, 1980 - (OVULIDAE)
- Lenotropites, Genus Lenotropites Popov , 1961 (LONGOBARDITIDAE) (FOSSIL)
- lens, Heteranomia lens J.B.P.A. Lamarck, 1819 - syn of: Heteranomia squamula (C. Linnaeus, 1758) - (ANOMIIDAE)
- lens, Astarte lens W. Stimpson in A.E. Verrill, 1872 - syn of: Astarte subequilatera G.B. II Sowerby, 1854 - (ASTARTIDAE)
- lens, Canariella lens A.E.J. Férussac, 1821 - syn of: Canariella fortunata (R.J. Shuttleworth, 1852) - (CANARIELLIDAE)
- lens, Conocardium lens Barrande, 1881 † - (CONOCARDIIDAE) (FOSSIL)
- lens, Straparollus lens J.W. Hall, 1860 † - syn of: Angyomphalus lens (J.W. Hall, 1860 †) - (EUOMPHALIDAE) (FOSSIL)
- lens, Angyomphalus lens (J.W. Hall, 1860 †) - (GOSSELETINIDAE) (FOSSIL)
- lens, Lindholmiola lens (A.E.J. Férussac, 1821) - (HELICODONTIDAE)
- lens, Lobites lens Mojsisovics, 1875 † - (LOBITIDAE) (FOSSIL)
- lens, Myrteopsis lens (A.E. Verrill & S. Smith, 1880) - (LUCINIDAE)
- lens, Myrtea lens A.E. Verrill & S. Smith, 1880 - syn of: Myrteopsis lens (A.E. Verrill & S. Smith, 1880) - (LUCINIDAE)
- lens, Kingites lens (L. Waagen, 1895 †) - (MELAGATHICERATIDAE) (FOSSIL)
- lens, Nebularia lens (W. Wood, 1828) - (MITRIDAE)
- lens, Oxynoticeras lens (Simpson) † - (OXYNOTICERATIDAE) (FOSSIL)
- lens, Camptonectes lens (Sowerby, 1818 †) - (PECTINIDAE) (FOSSIL)
- lens, Pecten lens Sowerby, 1818 † - syn of: Camptonectes lens (Sowerby, 1818 †) - (PECTINIDAE) (FOSSIL)
- lens, Camptonectes lens Greppin, 1899 † - syn of: Camptonectes auritus (Schlotheim, 1813 †) - (PECTINIDAE) (FOSSIL)
- lens, Eirlysia lens Mazaev, 2015 † - (PHYMATOPLEURIDAE) (FOSSIL)
- lens, Pleurotomaria lens J.W. Hall, 1860 † - syn of: Angyomphalus lens (J.W. Hall, 1860 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- lens, Balvia lens W. Korn, 1992 † - (PRIONOCERATIDAE) (FOSSIL)
- lens, Teinostoma lens H.A. Pilsbry & A.A. Olsson, 1941 † - (TORNIDAE) (FOSSIL)
- Lens, Subgenus Physunio (Lens) Simpson, 1900 (UNIONIDAE)
- lens, Obovaria retusa lens I. Lea - (UNIONIDAE)
- lens, Paraesa lens (W.M. Gabb, 1864 †) - (VENERIDAE) (FOSSIL)
- lens, Meretrix lens W.M. Gabb, 1864 † - syn of: Paraesa lens (W.M. Gabb, 1864 †) - (VENERIDAE) (FOSSIL)
- lens, Xylodiscula lens A. Warén, 1992 - (XYLODISCULIDAE)
- lens insularis, Lindholmiola lens insularis (O. Böttger, 1902) - (HELICODONTIDAE)
- Lensataphrus, Genus Lensataphrus Grόndel & al., 2011 (ATAPHRIDAE) (FOSSIL)
- lenseni, Iotrigonia lenseni Fleming, 1987 † - (IOTRIGONIIDAE) (FOSSIL)
- lenta, Leptachatina lenta C.M. Cooke, 1911 - (AMASTRIDAE)
- lentesferens, Opacuincola lentesferens M. Haase, 2008 - (TATEIDAE)
- lentiaca, Trochulus lentiaca G. Sayn, 1888 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- lenticella, Rectoclymenia lenticella Nikolaeva & Ivanovich, 2005 † - (RECTOCLYMENIIDAE) (FOSSIL)
- Lenticeras, Genus Lenticeras Gerhardt , 1898 (SPHENODISCIDAE) (FOSSIL)
- lenticeratiformis, Hemitissotia lenticeratiformis (Wiedmann, 1978 †) - (VASCOCERATIDAE) (FOSSIL)
- Lenticlymenia, Genus Lenticlymenia Schmidt. 1924 (CYRTOCLYMENIIDAE) (FOSSIL)
- Lenticoceltites, Genus Lenticoceltites Zhao & al., 1978 (ANDERSSONOCERATIDAE) (FOSSIL)
- lenticontractum, Armenoceras lenticontractum Flower, 1957 † - (ARMENOCERATIDAE) (FOSSIL)
- lenticontractum, Whitfieldoceras lenticontractum Flower, 1952 † - (CLINOCERATIDAE) (FOSSIL)
- Lenticorbula, Genus Lenticorbula Merklin, 1974 (MYIDA (UNASSIGNED)) (FOSSIL)
- lenticula, Teracharopa lenticula J.J. Vermeulen & D.J. Junau, 2007 - (CHAROPIDAE)
- lenticula, Collonista lenticula (A.A. Gould, 1861) - (COLLONIIDAE)
- lenticula, Helix lenticula F. Held, 1837 - syn of: Aegopinella pura (J. Alder, 1830) - (HELICIDAE)
- Lenticula, syn of: Genus Helicigona A.E.J. Fιrussac 1821 (HELICIDAE)
- lenticula, Nucula lenticula H.P.C. Møller, 1842 - syn of: Yoldiella lenticula (H.P.C. Møller, 1842) - (NUCULIDAE)
- lenticula, Ashmunella lenticula W.O. Gregg, 1953 - (POLYGYRIDAE)
- lenticula, Runcina lenticula S. Gofas, J.A. Ortea & Rodriguez, 1991 - (RUNCINIDAE)
- lenticula, Pristigloma lenticula (P. Nyst, 1845) - (SAREPTIDAE)
- lenticula, Skenea lenticula A.A. Gould, 1861 - syn of: Collonista lenticula (A.A. Gould, 1861) - (SKENEIDAE)
- lenticula, Sphaerium lenticula T. Prime, 1862 - syn of: Musculium lacustre (O.F. Müller, 1774) - (SPHAERIIDAE)
- lenticula, Vitrinella lenticula A.A. Gould, 1861 - (TORNIDAE)
- lenticula, Caracollina lenticula (A. Michaud, 1831) - (TRISSEXODONTIDAE)
- lenticula, Caracollina lenticula (Férussac, 1821) - (TRISSEXODONTIDAE)
- lenticula, Yoldiella lenticula (H.P.C. Møller, 1842) - (YOLDIIDAE)
- lenticula, Portlandia lenticula H.P.C. Møller, 1842 - syn of: Yoldiella lenticula (H.P.C. Møller, 1842) - (YOLDIIDAE)
- lenticula, Aegopinella lenticula F. Held, 1837 - syn of: Aegopinella pura (J. Alder, 1830) - (ZONITIDAE)
- lenticula amblia, Yoldiella lenticula amblia A.E. Verrill & K.J. Bush, 1898 - syn of: Yoldiella lenticula (H.P.C. Møller, 1842) - (YOLDIIDAE)
- lenticula gibbosa, Yoldiella lenticula gibbosa J. Smith - syn of: Yoldiella alluaudi (P. Dautzenberg & H. Fischer, 1897) - (YOLDIIDAE)
- lenticula philippiana, Yoldiella lenticula philippiana P. Nyst, 1845 - syn of: Yoldiella philippiana (P. Nyst, 1845) - (YOLDIIDAE)
- lenticula tomlini, Yoldiella lenticula tomlini R. Winckworth, 1932 - syn of: Yoldiella philippiana (P. Nyst, 1845) - (YOLDIIDAE)
- lenticulare, Cheiloceras lenticulare Sobolew, 1914 † - syn of: Cheiloceras depressum Sobolew, 1914 † - (CHEILOCERATIDAE) (FOSSIL)
- lenticulare, Clypeoceras lenticulare Chao, 1959 † - syn of: Pseudaspidites muthianus (Krafft & Diener, 1909 †) - (CLYPEOCERATIDAE) (FOSSIL)
- lenticulare, Shengoceras lenticulare J.K. Zhao, 1955 † - (CYCLOLOBIDAE) (FOSSIL)
- lenticulare, Manticoceras lenticulare F.S. Xu, 1977 † - (GEPHUROCERATIDAE) (FOSSIL)
- lenticulare, Raphistomina lenticulare (E. Emmons, 1842 †) - (HOLOPEIDAE) (FOSSIL)
- lenticulare, Rongjiangoceras lenticulare J.K. Zhao & al., 1978 † - (LIUCHENGOCERATIDAE) (FOSSIL)
- lenticulare, Neodimorphoceras lenticulare (Girty, 1911 †) - (NEODIMORPHOCERATIDAE) (FOSSIL)
- lenticulare, Popanoceras lenticulare J.J.F. Whiteaves, 1899 † - syn of: Nathorstites macconnelli (J.J.F. Whiteaves, 1889 †) - (PARAPOPANOCERATIDAE) (FOSSIL)
- lenticulare, Periploma lenticulare G.B. I Sowerby, 1834 - (PERIPLOMATIDAE)
- lenticulare, Cricoploma lenticulare P.P. Carpenter, 1856 - syn of: Periploma lenticulare G.B. I Sowerby, 1834 - (PERIPLOMATIDAE)
- lenticulare, Pseudostenopoceras lenticulare Shimanskiy, 1967 † - (PLEURONAUTILIDAE) (FOSSIL)
- lenticulare, Yinoceras lenticulare J.K. Zhao, 1954 † - (PSEUDOHALORITIDAE) (FOSSIL)
- lenticulare, Phaneroceras lenticulare Plummer & P.H. Scott, 1937 † - (PSEUDOPARALEGOCERATIDAE) (FOSSIL)
- lenticulare, Tienoceras lenticulare J.K. Zhao, 1954 † - (SPHAERORTHOCERATIDAE) (FOSSIL)
- lenticulare, Teinostoma lenticulare (H.C. Lea, 1846) - (TORNIDAE)
- lenticularia, Cerion lenticularia C.J. Maynard & W.F. Clapp, 1921 - (CERIONIDAE)
- Lenticularia, syn of: Genus Codakia J.A. Scopoli, 1777 (LUCINIDAE)
- lenticularis, Amaltheus lenticularis A.T. Young & Bird, 1828 † - (AMALTHEIDAE) (FOSSIL)
- lenticularis, Parantillosarcolites lenticularis Mitchell, 2010 † - (ANTILLOCAPRINIDAE) (FOSSIL)
- lenticularis, Sanyangites lenticularis Zheng & X.T. Ma, 1982 † - (ARAXOCERATIDAE) (FOSSIL)
- Lenticularis, Genus Lenticularis (BELLEROPHONTIDA (UNASSIGNED)) (FOSSIL)
- lenticularis, Bellerophon lenticularis Moberg & Grönwall, 1909 † - (BELLEROPHONTIDAE) (FOSSIL)
- lenticularis, Cymbularia lenticularis E.F.R.K. Koken, 1897 † - (BELLEROPHONTIDAE) (FOSSIL)
- lenticularis, Kocaelia lenticularis Shevyrev, 1995 † - (BEYRICHITIDAE) (FOSSIL)
- lenticularis, Dozyia lenticularis (Goldfuss 1840) † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- lenticularis, Crassatellopsis lenticularis Johnston, 1993 † - (CRASSATELLOPSIDAE) (FOSSIL)
- lenticularis, Cyrtoclymenia lenticularis Petter, 1960 † - (CYRTOCLYMENIIDAE) (FOSSIL)
- lenticularis, Liospira lenticularis (J. de C. Sowerby & Murchison, 1839 †) - (EOTOMARIIDAE) (FOSSIL)
- lenticularis, Euphemites lenticularis (L. Waagen, 1880 †) - (EUPHEMITIDAE) (FOSSIL)
- lenticularis, Tucetona lenticularis (R. Tate, 1886 †) - (GLYCYMERIDIDAE) (FOSSIL)
- lenticularis, Goniatites lenticularis G. Richter, 1848 † - syn of: Discoclymenia haueri (Münster, 1840 †) - (GONIATITIDAE) (FOSSIL)
- lenticularis, Nathorstites lenticularis J.J.F. Whiteaves, 1889 † - syn of: Nathorstites macconnelli (J.J.F. Whiteaves, 1889 †) - (NATHORSTITIDAE) (FOSSIL)
- lenticularis, Hippeutis lenticularis E.A. Allen, 1812 - syn of: Hippeutis complanatus (C. Linnaeus, 1758) - (PLANORBIDAE)
- lenticularis, Quadricarina lenticularis (G.A. Goldfuss, 1844 †) - (PORCELLIIDAE) (FOSSIL)
- lenticularis, Prosocoelogeton lenticularis Quenstedt 1926 † - (PROSOCOELIDAE) (FOSSIL)
- lenticularis, Ceratopea lenticularis (Flower, 1968 †) - (RAPHISTOMATIDAE) (FOSSIL)
- lenticularis, Proliospira lenticularis Flower, 1968 † - syn of: Ceratopea lenticularis (Flower, 1968 †) - (RAPHISTOMATIDAE) (FOSSIL)
- lenticularis, Semele lenticularis (G.B. I Sowerby, 1833) - (SEMELIDAE)
- lenticularis, Prohungarites lenticularis Guex & al., 2005 † - (SIBIRITIDAE) (FOSSIL)
- lenticularis, Pisidium lenticularis N.A.J. Normand, 1844 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- lenticularis, Sphenodiscus lenticularis (Owen, 1852 †) - (SPHENODISCIDAE) (FOSSIL)
- lenticularis, Sporadoceras lenticularis (G. Richter, 1848 †) - (SPORADOCERATIDAE) (FOSSIL)
- lenticularis, Oestophora lenticularis P.M.A. Morelet, 1853 - syn of: Oestophora dorotheae P. Hesse, 1930 - (TRISSEXODONTIDAE)
- lenticularis, Anodonta lenticularis I. Lea, 1868 - syn of: Anodontites inaequivalva (I. Lea, 1868) - (UNIONIDAE)
- lenticularis, Unio lenticularis I. Lea, 1872 - syn of: Fusconaia barnesiana (I. Lea, 1829) - (UNIONIDAE)
- lenticularis, Ussuria lenticularis Vu Khuc, 1984 † - syn of: Ussuria kwangsiana Chao, 1959 † - (USSURIIDAE) (FOSSIL)
- lenticularis, Eurhomalea lenticularis (W.J. Broderip & Sowerby, 1835) - (VENERIDAE)
- lenticularis, Dosiniopsis lenticularis (B. Rogers, 1838 †) - (VENERIDAE) (FOSSIL)
- lenticularis, Dosinia lenticularis E. Forbes, 1846 - (VENERIDAE)
- lenticularis, Circe tumefacta lenticularis G.P. Deshayes, 1853 - (VENERIDAE)
- lenticularis, Aegopinella lenticularis F. Held, 1837 - syn of: Aegopinella pura (J. Alder, 1830) - (ZONITIDAE)
- lenticulata, Solariaxis lenticulata (M. Yokoyama, 1920 †) - (ARCHITECTONICIDAE) (FOSSIL)
- lenticulata, Cornirostra lenticulata F. Rubio, E. Rolán & R. Fernández-Garcés, 2013 - (CORNIROSTRIDAE)
- lenticulata, Caracollina lenticulata A. Michaud, 1831 - syn of: Caracollina lenticula (A. Michaud, 1831) - (TRISSEXODONTIDAE)
- lenticulifer, Diallagites lenticulifer Klug, 2002 † - (WERNEROCERATIDAE) (FOSSIL)
- lenticulosa, Fluxinella lenticulosa B.A. Marshall, 1983 - (SEGUENZIIDAE)
- lenticulus, Chamalycaeus lenticulus (H.H. Godwin-Austen, 1874) - (CYCLOPHORIDAE)
- lenticulus, Margarites lenticulus A.A. Gould, 1861 - (MARGARITIDAE)
- lenticulus, Pseudarietites lenticulus Ruan, 1981 † - (PSEUDARIETITIDAE) (FOSSIL)
- lenticulus, Phoenixites lenticulus Bockwinkel, Becker & Ebbighausen, 2013 † - (TORNOCERATIDAE) (FOSSIL)
- lentidilatatum, Lechritrochoceras lentidilatatum Foerste, 1930 † - (LECHRITROCHOCERATIDAE) (FOSSIL)
- Lentidium, Genus Lentidium G.J. De Cristofori & G. Jan, 1832 (CORBULIDAE)
- lentiexpansum, Barnesoceras lentiexpansum Flower, 1964 † - (ELLESMEROCERATIDAE) (FOSSIL)
- lentiforme, Kimoceras lentiforme Bogoslovsky, 1980 † - (AUGURITIDAE) (FOSSIL)
- lentiforme, Paratornoceras lentiforme (C.L.F. von Sandberger, 1857 †) - (DIMEROCERATIDAE) (FOSSIL)
- lentiforme, Dimeroceras lentiforme Sobolew, 1914 † - syn of: Paratornoceras lentiforme (C.L.F. von Sandberger, 1857 †) - (DIMEROCERATIDAE) (FOSSIL)
- lentiforme, Eutrephoceras lentiforme (F. Stoliczka, 1866 †) - (NAUTILIDAE) (FOSSIL)
- lentiforme, Sporadoceras lentiforme Bogoslovsky † - (SPORADOCERATIDAE) (FOSSIL)
- lentiforme polonica, Parodiceras lentiforme polonica Gürich, 1896 † - syn of: Paratornoceras polonicum (Gürich, 1896 †) - (PARODOCERATIDAE) (FOSSIL)
- lentiforme polonicum, Paratornoceras lentiforme polonicum Gürich, 1896 † - syn of: Paratornoceras polonicum (Gürich, 1896 †) - (DIMEROCERATIDAE) (FOSSIL)
- lentiforme sobolevi, Paratornoceras lentiforme sobolevi Kullmann, 1960 † - (DIMEROCERATIDAE) (FOSSIL)
- lentiformis, Bostryx lentiformis A.S.H. Breure, 1978 - (BULIMULIDAE)
- lentiformis, Karlschmidtia lentiformis (F. Haas, 1955) - (EPIPHRAGMOPHORIDAE)
- lentiformis, Euphemites lentiformis (Weller, 1916 †) - (EUPHEMITIDAE) (FOSSIL)
- lentiformis, Goniatites lentiformis C.L.F. von Sandberger, 1857 † - syn of: Paratornoceras lentiforme (C.L.F. von Sandberger, 1857 †) - (GONIATITIDAE) (FOSSIL)
- lentiformis, Monocondylaea lentiformis I. Lea, 1866 - syn of: Monocondylaea corrientesensis D'Orbigny, 1836 - (MYCETOPODIDAE)
- lentiformis, Ortizius lentiformis (W. Kobelt, 1882) - (OXYCHILIDAE)
- lentiformis, Obornella lentiformis (Eudes-Deslongchamps, 1849 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- lentiformis, Anabarella lentiformis Xing & al., 1984 † - syn of: Oelandiella maidipingensis (Yü, 1974 †) - (STENOTHECIDAE) (FOSSIL)
- lentiformis, Linevitus lentiformis Z.X. Qian, 1978 † - (SULCAVITIDAE) (FOSSIL)
- lentiformis, Woodringilla lentiformis B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (TORNIDAE) (FOSSIL)
- lentiformis, Anticlimax lentiformis F. Rubio & E. Rolán, 2014 - (TORNIDAE)
- lentiformis, Circe lentiformis K.H.J. Thiele, 1930 - syn of: Redicirce sulcata (J.E. Gray, 1838) - (VENERIDAE)
- Lentiga, Subgenus Angiomphalia (Lentiga) A.A. Schileyko, 1978 (HYGROMIIDAE)
- lentiginosa, Strophiops lentiginosa (C.J. Maynard, 1889) - (CERIONIDAE)
- lentiginosa, Chromodoris lentiginosa W.H. Pease, 1871 - (CHROMODORIDIDAE)
- lentiginosa, Anachis lentiginosa (R.B. Hinds, 1844) - (COLUMBELLIDAE)
- lentiginosa, Columbella lentiginosa R.B. Hinds, 1844 - syn of: Anachis lentiginosa (R.B. Hinds, 1844) - (COLUMBELLIDAE)
- lentiginosa, Conasprella lentiginosa (L.A. Reeve, 1844) - (CONIDAE)
- lentiginosa, Fumiconus lentiginosa (L.A. Reeve, 1844) - syn of: Conasprella lentiginosa (L.A. Reeve, 1844) - (CONIDAE)
- lentiginosa, Palmadusta lentiginosa (J.E. Gray, 1825) - (CYPRAEIDAE)
- lentiginosa, Montereina lentiginosa (S.V. Millen, 1982) - (DISCODORIDIDAE)
- lentiginosa, Sticteulima lentiginosa (A. Adams, 1861) - (EULIMIDAE)
- lentiginosa, Diodora lentiginosa (L.A. Reeve, 1850) - (FISSURELLIDAE)
- lentiginosa, Ancula lentiginosa M. Farmer & N.A. Sloan, 1964 - (GONIODORIDIDAE)
- lentiginosa, Actinella lentiginosa (R.T. Lowe, 1831) - (HYGROMIIDAE)
- lentiginosa, Patelloida lentiginosa (L.A. Reeve, 1855) - (LOTTIIDAE)
- lentiginosa, Oxyperas lentiginosa (A.A. Gould, 1852) - (MACTRIDAE)
- lentiginosa, Spisula lentiginosa A.A. Gould, 1852 - syn of: Oxyperas lentiginosa (A.A. Gould, 1852) - (MACTRIDAE)
- lentiginosa, Melanopsis lentiginosa L.A. Reeve, 1860 - syn of: Melanopsis frustulum P.M.A. Morelet, 1857 - (MELANOPSIDAE)
- lentiginosa, Perna lentiginosa L.A. Reeve, 1858 - syn of: Isognomon legumen J.F. Gmelin, 1790 - (MYTILIDAE)
- lentiginosa, Nassa lentiginosa A. Adams, 1852 - syn of: Nassarius reeveanus (R.W. Dunker, 1847) - (NASSARIIDAE)
- lentiginosa, Zeuxis lentiginosa A. Adams, 1852 - syn of: Nassarius reeveanus (R.W. Dunker, 1847) - (NASSARIIDAE)
- lentiginosa, Oliva lentiginosa L.A. Reeve, 1850 - syn of: Oliva jaspidea lentiginosa L.A. Reeve, 1850 - (OLIVIDAE)
- lentiginosa, Oliva jaspidea lentiginosa L.A. Reeve, 1850 - (OLIVIDAE)
- lentiginosa, Ostrea lentiginosa G.B. II Sowerby, 1871 - syn of: Parahyotissa numisma (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- lentiginosa, Mimachlamys lentiginosa (L.A. Reeve, 1853) - (PECTINIDAE)
- lentiginosa, Pteria lentiginosa L.A. Reeve, 1857 - syn of: Pinctada chemnitzii (R.A. Philippi, 1849) - (PTERIIDAE)
- lentiginosa, Avicula lentiginosa L.A. Reeve, 1857 - syn of: Pinctada chemnitzii (R.A. Philippi, 1849) - (PTERIIDAE)
- lentiginosa, Isognomon lentiginosa L.A. Reeve, 1858 - syn of: Isognomon legumen J.F. Gmelin, 1790 - (PTERIIDAE)
- lentiginosa, Monilea lentiginosa (A. Adams, 1853) - (TROCHIDAE)
- lentiginosa, Turritella lentiginosa L.A. Reeve, 1849 - (TURRITELLIDAE)
- lentiginosa, Meretrix lentiginosa (J.H. Chemnitz, 1795) - (VENERIDAE)
- lentiginosa, Circe lentiginosa O.A.L. Mörch, 1853 - (VENERIDAE)
- lentiginosa, Tapes lentiginosa L.A. Reeve, 1864 - syn of: Protapes gallus lentiginosa (L.A. Reeve, 1864) - (VENERIDAE)
- lentiginosa, Protapes gallus lentiginosa (L.A. Reeve, 1864) - (VENERIDAE)
- lentiginosa buhariensis, Palmadusta lentiginosa buhariensis R.S.L. Jonklaas & K. Nicolay, 1977 - (CYPRAEIDAE)
- lentiginosa dancalica, Palmadusta lentiginosa dancalica (R.S.L. Jonklaas & K. Nicolay, 1977) - (CYPRAEIDAE)
- lentiginosa morti, Monilea lentiginosa morti T. Iredale, 1929 - (TROCHIDAE)
- lentiginosa punctata, Zeuxis lentiginosa punctata A. Adams, 1852 - syn of: Nassarius reeveanus (R.W. Dunker, 1847) - (NASSARIIDAE)
- lentiginosa stellaris, Actinella lentiginosa stellaris R.T. Lowe, 1852 - (HYGROMIIDAE)
- lentiginosum, Strophiops lentiginosum W.J. Clench, 1934 - syn of: Strophiops lentiginosa (C.J. Maynard, 1889) - (CERIONIDAE)
- lentiginosum, Cerithium lentiginosum G.B. II Sowerby, 1855 - (CERITHIIDAE)
- lentiginosus, Plekocheilus lentiginosus J.H. Redfield, 1853 - (AMPHIBULIMIDAE)
- lentiginosus, Drymaeus lentiginosus R.A. Philippi, 1869 - (BULIMULIDAE)
- lentiginosus, Chiton lentiginosus G.B. II Sowerby, 1840 - syn of: Ischnochiton lentiginosus (G.B. II Sowerby, 1840) - (CHITONIDAE)
- lentiginosus, Ischnochiton lentiginosus (G.B. II Sowerby, 1840) - (ISCHNOCHITONIDAE)
- lentiginosus, Haploplax lentiginosus (G.B. II Sowerby, 1840) - syn of: Ischnochiton lentiginosus (G.B. II Sowerby, 1840) - (ISCHNOCHITONIDAE)
- lentiginosus, Nassarius lentiginosus A. Adams, 1852 - syn of: Nassarius reeveanus (R.W. Dunker, 1847) - (NASSARIIDAE)
- lentiginosus, Zeuxis lentiginosus A. Adams, 1852 - syn of: Nassarius reeveanus (R.W. Dunker, 1847) - (NASSARIIDAE)
- lentiginosus, Clithon lentiginosus (L.A. Reeve, 1855) - (NERITIDAE)
- lentiginosus, Lentigo lentiginosus (C. Linnaeus, 1758) - (STROMBIDAE)
- lentiginosus, Strombus lentiginosus C. Linnaeus, 1758 - syn of: Lentigo lentiginosus (C. Linnaeus, 1758) - (STROMBIDAE)
- lentiglans, Pyrgulopsis lentiglans R. Hershler, 1998 - (HYDROBIIDAE)
- lentigo, Erronea lentigo P.F. Röding, 1798 - syn of: Erronea caurica (C. Linnaeus, 1758) - (CYPRAEIDAE)
- Lentigo, Genus Lentigo F.P. Jousseaume, 1886 (STROMBIDAE)
- Lentigobalcis, syn of: Genus Sticteulima C.F. Laseron, 1955 (EULIMIDAE)
- Lentigodentalium, Genus Lentigodentalium Habe, 1963 (DENTALIIDAE) (FOSSIL)
- Lentigodentalium, syn of: Genus Dentalium C. Linnaeus, 1758 (DENTALIIDAE)
- lentigradum, Oocerina lentigradum Barrande † - (ONCOCERATIDAE) (FOSSIL)
- lentilii, Truncatellina lentilii (Miller, 1900) † - (VERTIGINIDAE) (FOSSIL)
- Lentilla, Genus Lentilla Conti & Monari, 1992 (PTERIOIDEA (UNASSIGNED)) (FOSSIL)
- Lentillaria, syn of: Genus Codakia J.A. Scopoli, 1777 (LUCINIDAE)
- lentina, Paedhoplita lentina (E.C. Von Martens, 1885) - (HYGROMIIDAE)
- Lentipecten, Genus Lentipecten Marwick, 1928 (PECTINIDAE) (FOSSIL)
- lentipes, Cernuella lentipes É.A.A. Locard, 1894 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- Lentipleura, Genus Lentipleura Heidelberger, 2001 (GOSSELETINIDAE) (FOSSIL)
- lentis, Prionoceras lentis W. Korn, Bockwinkel & Ebbighausen, 2014 † - (PRIONOCERATIDAE) (FOSSIL)
- Lentitrochus, Subgenus Trochomorpha (Lentitrochus) F.C. Baker, 1941 (TROCHOMORPHIDAE)
- lentocontracta, Bulimeulima lentocontracta (C.R. Laws, 1941 †) - (EULIMIDAE) (FOSSIL)
- Lentorbis, Genus Lentorbis G. Mandahl-Barth, 1954 (PLANORBIDAE)
- lentula, Taiwanassiminea lentula (W.S.S. Van Benthem-Jutting, 1963) - (ASSIMINEIDAE)
- lentum, Dentalium lentum M. Yokoyama, 1923 † - (DENTALIIDAE) (FOSSIL)
- lentum, Orthoceras lentum Ruedemann, 1906 † - (ORTHOCERATIDAE) (FOSSIL)
- lentum, Planorbella trivolvis lentum (T. Say, 1817) - (PLANORBIDAE)
- lentum, Mimimitoceras lentum W. Korn, 1992 † - (PRIONOCERATIDAE) (FOSSIL)
- lentus, Bathypolypus lentus A.E. Verrill, 1880 - syn of: Bathypolypus bairdii (A.E. Verrill, 1873) - (BATHYPOLYPODIDAE)
- lentus, Proplanulites lentus Buckman † - (PERISPHINCTIDAE) (FOSSIL)
- lenuiumbilicata, Argalista lenuiumbilicata C.R. Laws, 1935 † - (COLLONIIDAE) (FOSSIL)
- Lenwebbia, Genus Lenwebbia J. Stanisic, 1990 (CHAROPIDAE)
- lenzaniyeuensis, Cidarina lenzaniyeuensis Del Rio, 2012 † - (CALLIOTROPIDAE) (FOSSIL)
- lenzi, Lenzites lenzi (House & Pedder, 1963 †) - (MIMOCERATIDAE) (FOSSIL)
- lenzi, Gyraulus lenzi W.S.S. Van Benthem-Jutting, 1943 - syn of: Drepanotrema anatinum (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- Lenzites, Genus Lenzites Becker & House, 1994 (MIMOCERATIDAE) (FOSSIL)
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