- leo, Bursa leo T. Shikama, 1964 - syn of: Bursa tuberosissima (L.A. Reeve, 1844) - (BURSIDAE)
- leo, Eucycloscala leo (A.V.M.D. D'Orbigny, 1847 †) - (EUCYCLOSCALIDAE) (FOSSIL)
- leo, Ophileta leo Walcott, 1924 † - syn of: Ophileta rotuliformis F.B. Meek, 1871 † - (OPHILETIDAE) (FOSSIL)
- leobersdorfensis, Renea leobersdorfensis (Wenz, 1921) † - (ACICULIDAE) (FOSSIL)
- leobersdorfensis, Triptychia leobersdorfensis (Troll, 1907 †) - (FILHOLIIDAE) (FOSSIL)
- leobersdorfensis, Odontohydrobia leobersdorfensis (Papp, 1953 †) - (HYDROBIIDAE) (FOSSIL)
- leobersdorfensis, Micromelania leobersdorfensis Papp, 1953 † - (HYDROBIIDAE) (FOSSIL)
- leobersdorfensis, Melanopsis leobersdorfensis (Handmann, 1887 †) - (MELANOPSIDAE) (FOSSIL)
- leobersdorfensis, Martinia leobersdorfensis Handmann, 1887 † - syn of: Melanopsis leobersdorfensis (Handmann, 1887 †) - (MELANOPSIDAE) (FOSSIL)
- leobersdorfensis, Theodoxus leobersdorfensis (Handmann, 1887 †) - (NERITIDAE) (FOSSIL)
- leobersdorfensis dacicus, Theodoxus leobersdorfensis dacicus E. Jekelius, 1944 † - (NERITIDAE) (FOSSIL)
- leobersdorfensis markuseveci, Theodoxus leobersdorfensis markuseveci Jurišic-Polšak, 1979 † - (NERITIDAE) (FOSSIL)
- leobersdorfensis oblongus, Theodoxus leobersdorfensis oblongus (Handmann, 1887 †) - (NERITIDAE) (FOSSIL)
- leobersdorfensis sarmatica, Triptychia leobersdorfensis sarmatica Kókay, 2006 † - (FILHOLIIDAE) (FOSSIL)
- leobinensis, Bouryia leobinensis J. Le Renard, 1997 † - (POMATIOPSIDAE) (FOSSIL)
- leobottonii, Pionoconus leobottonii F.Jr. Lorenz, 2006 - (CONIDAE)
- leobrerai, Phasmoconus leobrerai (A.J. Da Motta & P. Martin, 1982) - (CONIDAE)
- leobrerorum, Belomitra leobrerorum G.T. Poppe & S.P. Tagaro, 2010 - (BELOMITRIDAE)
- Leochlamys, Subgenus Argopecten (Leochlamys) Unknown † (PECTINIDAE) (FOSSIL)
- Leoclunipecten, Genus Leoclunipecten Beu & Taviani, 2013 † (PECTINIDAE) (FOSSIL)
- leognanense, Cardium leognanense C. Mayer, 1866 † - (CARDIIDAE) (FOSSIL)
- leognanensis, Rhinoclavis leognanensis A.E.M. Cossmann & M.A. Peyrot, 1922 † - (CERITHIIDAE) (FOSSIL)
- leognanensis, Pseudamnicola leognanensis (A.E.M. Cossmann & M.A. Peyrot, 1918 †) - (HYDROBIIDAE) (FOSSIL)
- leognanensis, Ringicula leognanensis L.J. Morlet, 1882 † - syn of: Ringicula minor J.P.S. Grateloup, 1838 † - (RINGICULIDAE) (FOSSIL)
- leognanensis, Macoma leognanensis A.E.M. Cossmann & M.A. Peyrot, 1910 † - (TELLINIDAE) (FOSSIL)
- leognanensis, Vermetus leognanensis A.E.M. Cossmann & M.A. Peyrot, 1922 † - (VERMETIDAE) (FOSSIL)
- leognanus, Pseudobrechites leognanus (Hoeninghaus 1803) † - (PENICILLIDAE) (FOSSIL)
- leoi, Marginella leoi S.G. Veldsman, 2013 - (MARGINELLIDAE)
- Leolites, Genus Leolites Marek , 1967 † (PAUXILLITIDAE) (FOSSIL)
- leona, Colubraria leona W.C. Mansfield, 1937 - syn of: Tritonoharpa lanceolata (K.T. Menke, 1828) - (COLUBRARIIDAE)
- leonae, Favartia leonae (D'Attilio & B.W. Myers, 1985) - (MURICIDAE)
- leonae, Murexiella leonae D'Attilio & B.W. Myers, 1985 - syn of: Favartia leonae (D'Attilio & B.W. Myers, 1985) - (MURICIDAE)
- leonardensis, Daraelites leonardensis Miller & Furnish, 1940 † - (DARAELITIDAE) (FOSSIL)
- leonardhilli, Turricostellaria leonardhilli E.J. Petuch, 1987 - (COSTELLARIIDAE)
- leonardhilli, Prunum leonardhilli E.J. Petuch, 1990 - (MARGINELLIDAE)
- leonardhilli, Subcancilla leonardhilli E.J. Petuch, 1987 - (MITRIDAE)
- leonardhilli, Murexiella leonardhilli E.J. Petuch, 1987 - syn of: Murexiella macgintyi (M. Smith, 1938) - (MURICIDAE)
- leonardhilli, Agaronia leonardhilli E.J. Petuch, 1987 - (OLIVIDAE)
- leonardhilli, Oliva leonardhilli E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- leonardhilli, Enaeta leonardhilli (E.J. Petuch, 1988) - (VOLUTIDAE)
- leonardhilli, Conomitra leonardhilli E.J. Petuch, 1987 - (VOLUTOMITRIDAE)
- leonardi, Blauneria leonardi J.C.H. Crosse, 1872 - (ELLOBIIDAE)
- leonardi, Mitra leonardi E.J. Petuch, 1990 - (MITRIDAE)
- leonardi, Murexsul leonardi (R. Houart, 1993) - (MURICIDAE)
- leonardi, Omogymna leonardi E.J. Petuch & D.M. Sargent, 1986 - syn of: Oliva nitidula P.L. Duclos, 1835 - (OLIVIDAE)
- leonardi, Lyria leonardi W.K. Emerson, 1985 - (VOLUTIDAE)
- Leonardia, syn of: Subgenus Filicaulis (Eleutherocaulis) H.R. Simroth, 1913 (VERONICELLIDAE)
- leonardii, Pichleria leonardii Corazzari & Lucchi Garavello, 1980 † - (PICHLERIIDAE) (FOSSIL)
- Leonardoceras, Genus Leonardoceras Flower, 1968 † (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- Leonardocheilus, Genus Leonardocheilus Ruzhentsev & Shimanskiy, 1954 † (MOSQUOCERATIDAE) (FOSSIL)
- leonardosi, Megalobulimus leonardosi (F. Lange de Morretes, 1952) - (MEGALOBULIMIDAE)
- leonatus, Planorbis leonatus T. Iredale, 1943 - (PLANORBIDAE)
- leone, Solecurtus leone L.H. Woolacott, 1954 - (SOLECURTIDAE)
- leonei, Eutrephoceras leonei Negri, 1934 † - (NAUTILIDAE) (FOSSIL)
- leonellum, Farcimen leoninum leonellum C. de la Torre & P. Bartsch, 1942 - (MEGALOMASTOMIDAE)
- leonense, Phlogocardia leonense W.C. Mansfield, 1932 † - (CARDIIDAE) (FOSSIL)
- leonense, Glyphostoma leonense W.C. Mansfield, 1930 - syn of: Glyphostoma gratula (W.H. Dall, 1881) - (CLATHURELLIDAE)
- leonensis, Taeniarca leonensis (W.C. Mansfield, 1932 †) - (ARCIDAE) (FOSSIL)
- leonensis, Gabbia leonensis M. Connolly, 1929 - (BITHYNIIDAE)
- leonensis, Mortoniceras leonensis (T.A. Conrad, 1857 †) - (BRANCOCERATIDAE) (FOSSIL)
- leonensis, Pervinquieria leonensis T.A. Conrad, 1857 † - syn of: Mortoniceras leonensis (T.A. Conrad, 1857 †) - (BRANCOCERATIDAE) (FOSSIL)
- leonensis, Cancellaria leonensis W.C. Mansfield, 1930 † - (CANCELLARIIDAE) (FOSSIL)
- leonensis, Alabina leonensis W.C. Mansfield, 1930 - syn of: Finella adamsi (W.H. Dall, 1889) - (CERITHIIDAE)
- leonensis, Costoanachis leonensis (W.C. Mansfield, 1930 †) - (COLUMBELLIDAE) (FOSSIL)
- leonensis, Conus leonensis W.C. Mansfield, 1930 † - (CONIDAE) (FOSSIL)
- leonensis, Lima leonensis T.A. Conrad, 1857 † - syn of: Lima wacoensis F.A. Roemer, 1849 † - (LIMIDAE) (FOSSIL)
- leonensis, Eupleura leonensis W.C. Mansfield, 1930 † - (MURICIDAE) (FOSSIL)
- leonensis, Phyllonotus leonensis E.H. Vokes, 1967 - (MURICIDAE)
- leonensis, Ferrissia leonensis M. Connolly, 1928 - (PLANORBIDAE)
- leonensis, Circulus leonensis W.C. Mansfield, 1930 - syn of: Solariorbis infracarinatus W.M. Gabb, 1881 - (TORNIDAE)
- leonensis, Turritella leonensis T.A. Conrad, 1857 † - (TURRITELLIDAE) (FOSSIL)
- leonensis, Anodonta leonensis I. Lea, 1862 - syn of: Anodonta grandis T. Say, 1829 - (UNIONIDAE)
- leonensis, Unio leonensis C.T. Simpson, 1892 - syn of: Elliptio jayensis I. Lea, 1838 - (UNIONIDAE)
- leonensis, Liocallonia patruelis leonensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- leonhardi, Palaeoniso leonhardi E.A.L. Kittl, 1894 † - (COELOSTYLINIDAE) (FOSSIL)
- leonhardi, Pseudomphalotrochus leonhardi (d'Archiac & de Verneuil, 1842 †) - (OMPHALOTROCHIDAE) (FOSSIL)
- leonhardianum, Paralenticeras leonhardianum D.L.G. Karsten, 1856 † - (SPHENODISCIDAE) (FOSSIL)
- leoni, Dermatobranchus leoni T.M. Gosliner & S.J. Fahey, 2011 - (ARMINIDAE)
- leoni, Caecum leoni F. Bèrillon, 1874 - syn of: Meioceras nitidum (W. Stimpson, 1851) - (CAECIDAE)
- leoni, Meioceras leoni F. Bèrillon, 1874 - syn of: Meioceras nitidum (W. Stimpson, 1851) - (CAECIDAE)
- leoni, Helicina subglobulosa leoni C.G. Aguayo & M.L. Jaume, 1958 - (HELICINIDAE)
- leoni, Farcimen seminudum leoni C. de la Torre, P. Bartsch & J.P.E. Morrison, 1942 - (MEGALOMASTOMIDAE)
- leoni, Cubadamsiella leoni (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- leoni, Chondropoma leoni C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- leoni, Chrysallida leoni R. Fernández-Garcés, A. Peñas & E. Rolán, 2011 - (PYRAMIDELLIDAE)
- leoni, Nesocoptis leoni C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- Leonia, Genus Leonia J.E. Gray, 1850 (POMATIIDAE)
- leoniae, Pedipes leoniae C.M.F. Ancey, 1887 - (ELLOBIIDAE)
- leonica, Ostrea leonica Fréminville in A. Taslé, 1870 - syn of: Ostrea edulis C. Linnaeus, 1758 - (OSTREIDAE)
- leonicensis, Cimomia leonicensis (de Zigno, 1881 †) - (HERCOGLOSSIDAE) (FOSSIL)
- leonicensis, Nautilus leonicensis de Zigno, 1881 † - syn of: Cimomia leonicensis (de Zigno, 1881 †) - (NAUTILIDAE) (FOSSIL)
- Leoniceras, Subgenus Choffaticeras (Leoniceras) Coquand, 1859 † (PSEUDOTISSOTIIDAE) (FOSSIL)
- leonidi, Praeundulomya leonidi Muromtseva, 1984 † - (SANGUINOLITIDAE) (FOSSIL)
- leonidiae, Albinaria solicola leonidiae E. Neubert, 1998 - (CLAUSILIIDAE)
- leonilda, Yoldiella leonilda (W.H. Dall, 1908) - (YOLDIIDAE)
- leonina, Cryptaxis groviana leonina (R.T. Lowe, 1852) - (HYGROMIIDAE)
- leonina, Codakia leonina (B. de Basterot, 1825 †) - (LUCINIDAE) (FOSSIL)
- leonina, Nuculana leonina W.H. Dall, 1896 - (NUCULANIDAE)
- leonina, Dermatomya leonina W.H. Dall, 1916 - syn of: Dermatomya tenuiconcha (W.H. Dall, 1913) - (POROMYIDAE)
- leonina, Rathouisia leonina P.M. Heude, 1883 - (RATHOUISIIDAE)
- leonina, Melibe leonina (A.A. Gould, 1852) - (TETHYDIDAE)
- leoninum, Farcimen leoninum (L. Pfeiffer, 1856) - (MEGALOMASTOMIDAE)
- leoninum leonellum, Farcimen leoninum leonellum C. de la Torre & P. Bartsch, 1942 - (MEGALOMASTOMIDAE)
- leoninum tabioi, Farcimen leoninum tabioi L.O. Alcalde, 1947 - (MEGALOMASTOMIDAE)
- leoninus, Conus leoninus J.F. Gmelin, 1791 - syn of: Kalloconus pulcher (J. Lightfoot, 1786) - (CONIDAE)
- leoninus, Cucullus leoninus P.F. Röding, 1798 - syn of: Lindaconus spurius (J.F. Gmelin, 1791) - (CONIDAE)
- leoninus, Conus leoninus C.H. Hwass in J.G. Bruguière, 1792 - syn of: Lindaconus spurius (J.F. Gmelin, 1791) - (CONIDAE)
- leoninus, Conus leoninus D.C. Solander, 1786 - syn of: Pionoconus striatus (C. Linnaeus, 1758) - (CONIDAE)
- leoninus, Conus leoninus J. Lightfoot, 1786 - syn of: Pionoconus striatus (C. Linnaeus, 1758) - (CONIDAE)
- leonis, Babylonia leonis C.O. Van Regteren Altena & E. Gittenberger, 1972 † - (BABYLONIIDAE) (FOSSIL)
- leonis, Cernuella leonis É.A.A. Locard, 1894 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- leonis, Roboastra leonis M. Pola, J.L. Cervera & T.M. Gosliner, 2005 - (POLYCERIDAE)
- leonisorum, Albinaria leonisorum (O. Böttger, 1901) - (CLAUSILIIDAE)
- leonorae, Plesiocystiscus leonorae L. Bozzetti, P.M.S. Costa & T. Cossignani, 2010 - (CYSTISCIDAE)
- leonorae, Hadziella leonorae E. Rolán, M. Pardo & T. Pardo, 2007 - (HYDROBIIDAE)
- leonovae, Nemdaella leonovae Mazaev, 2015 † - (MEEKOSPIRIDAE) (FOSSIL)
- leonovae, Tatianautilus leonovae I.S. Barskov & Shilovsky, 2014 † - (PERMONAUTILIDAE) (FOSSIL)
- leonovae, Paedopronorites leonovae Glenister & al., 2004 † - (PRONORITIDAE) (FOSSIL)
- leonovae, Mariceras leonovae Shimanskiy, 1992 † - (SCYPHOCERATIDAE) (FOSSIL)
- leontina, Pseudamnicola leontina A.V. Grossu, 1986 - (HYDROBIIDAE)
- leontina, Vertigo leontina P.V. Gredler, 1856 - syn of: Vertigo alpestris J. Alder, 1838 - (VERTIGINIDAE)
- leontocroma, Mitra leontocroma Š. Brusina, 1866 - syn of: Mitromorpha olivoidea (F.J. Cantraine, 1835) - (MITRIDAE)
- leontocroma, Mitromorpha leontocroma Š. Brusina, 1866 - syn of: Mitromorpha olivoidea (F.J. Cantraine, 1835) - (MITROMORPHIDAE)
- leoparda, Doris leoparda E.F. Kelaart, 1858 - (DORIDIDAE)
- leopardiana, Alvania leopardiana M.M. Brunetti & G. Vecchi, 2012 † - (RISSOIDAE) (FOSSIL)
- leopardina, Doto leopardina N. Vicente, 1967 - (DOTIDAE)
- leopardina, Cuthona leopardina (A.J.B.M. Vayssière, 1888) - (FIONIDAE)
- leopardina, Helicarion leopardina T. Iredale, 1941 - (HELICARIONIDAE)
- leopardina, Strigatella leopardina H.C. Küster, 1839 - syn of: Mitra litterata J.B.P.A. Lamarck, 1811 - (MITRIDAE)
- leopardina, Melanoides pyramis leopardina T.N. Annandale & B. Prashad, 1921 - (THIARIDAE)
- leopardis, Odostomia leopardis C.F. Laseron, 1951 - (PYRAMIDELLIDAE)
- leopardus, Helicostyla leopardus L. Pfeiffer, 1845 - (BRADYBAENIDAE)
- leopardus, Kimberleytrachia leopardus F. Criscione & F. Köhler, 2014 - syn of: Kimberleytrachia umbonis (G.A. Solem, 1979) - (CAMAENIDAE)
- leopardus, Cerithiopsis leopardus E. Rolán & S. Gori, 2013 - (CERITHIOPSIDAE)
- leopardus, Goniobranchus leopardus (W.B. Rudman, 1987) - (CHROMODORIDIDAE)
- leopardus, Chromodoris leopardus W.B. Rudman, 1987 - syn of: Goniobranchus leopardus (W.B. Rudman, 1987) - (CHROMODORIDIDAE)
- leopardus, Lithoconus leopardus (P.F. Röding, 1798) - (CONIDAE)
- leopardus, Conus leopardus L.W. Dillwyn, 1817 - syn of: Rhizoconus vexillum (J.F. Gmelin, 1791) - (CONIDAE)
- leopardus, Boucardicus leopardus K.C. Emberton, 2002 - (CYCLOPHORIDAE)
- leopardus, Cypraea leopardus J.H.F. Link, 1807 - syn of: Cypraea pantherina J. Lightfoot, 1786 - (CYPRAEIDAE)
- leopardus, Crenavolva leopardus D. Fehse, 2002 - (OVULIDAE)
- leopardus, Pecten leopardus L.A. Reeve, 1853 - syn of: Annachlamys flabellatus (J.B.P.A. Lamarck, 1819) - (PECTINIDAE)
- leopardus, Annachlamys leopardus L.A. Reeve, 1853 - syn of: Annachlamys flabellatus (J.B.P.A. Lamarck, 1819) - (PECTINIDAE)
- leopardus meladryas, Helicostyla leopardus meladryas Mac Ginty, 1934 - (BRADYBAENIDAE)
- leopardus rena, Annachlamys leopardus rena T. Iredale, 1939 - syn of: Annachlamys kuhnholtzi (A.C. Bernardi, 1860) - (PECTINIDAE)
- Leoparreysia, Genus Leoparreysia Vikhrev, Bolotov & Aksenova, 2017 (UNIONIDAE)
- Leopecten, Genus Leopecten O. Masuda, 1971 (PECTINIDAE)
- leophanis, Waldthausenites leophanis Diener, 1923 † - syn of: Pseudocardioceras idunae (Diener, 1920 †) - (HALORITIDAE) (FOSSIL)
- leopoldi, Acanthochitona leopoldi (E.H.J. Leloup, 1933) - (ACANTHOCHITONIDAE)
- leopoldi, Deianira leopoldi K. Bandel & F. Riedel, 1994 † - (DEIANIRIDAE) (FOSSIL)
- leopoldi, Onchidium leopoldi A. Labbé, 1934 - syn of: Onchidium vaigiense (J.R.C. Quoy & J.P. Gaimard, 1824) - (ONCHIDIIDAE)
- leopoldi, Oncidium leopoldi A. Labbé, 1934 - syn of: Onchidium vaigiense (J.R.C. Quoy & J.P. Gaimard, 1824) - (ONCHIDIIDAE)
- leopoldi, Valvata leopoldi S.A. de Boissy, 1848 † - (VALVATIDAE) (FOSSIL)
- Leopoldia, Genus Leopoldia Leanza & Giovine, 1949 † (NEOCOMITIDAE) (FOSSIL)
- LEOPOLDIDAE Thieuloy, 1971 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-PULCHELLIOIDEA [Superfamily]) (FOSSIL)
- leopoldina, Solaropsis leopoldina (B. Strubell, 1895) - (PLEURODONTIDAE)
- leopoldinae, Trigonostoma leopoldinae R. Tournouer, 1876 † - (CANCELLARIIDAE) (FOSSIL)
- leopoldinae, Helicina leopoldinae A.J. Wagner, 1906 - (HELICINIDAE)
- leopoldinus, Leopoldia leopoldinus (A.V.M.D. D'Orbigny, 1840 †) - (NEOCOMITIDAE) (FOSSIL)
- Leopoldium, Genus Leopoldium K. Bandel & F. Riedel, 1994 (ELLOBIIDAE)
- leopoldoi, Chelidonura leopoldoi J.A. Ortea, L. Moro & J. Espinosa, 1997 - (AGLAJIDAE)
- leopoldoi, Eubranchus leopoldoi G.M. Caballer, J.A. Ortea & J. Espinosa, 2001 - (EUBRANCHIDAE)
- leopoldvillensis, Pila wernei leopoldvillensis H.A. Pilsbry, 1927 - (AMPULLARIIDAE)
- leopoldvillensis, Pseudoglessula leopoldvillensis H.A. Pilsbry, 1919 - (SUBULINIDAE)
- leopoldvillensis, Coelatura leopoldvillensis (S. Putzeys, 1898) - (UNIONIDAE)
- leopoldvillensis, Burtonia leopoldvillensis C.T. Simpson, 1900 - syn of: Mutela legumen (A. de Rochebrune, 1886) - (UNIONIDAE)
- leopoldvillensis, Bellamya leopoldvillensis S. Putzeys, 1898 - (VIVIPARIDAE)
- leopoliensis, Baculites leopoliensis Nowak, 1908 † - (BACULITIDAE) (FOSSIL)
- Leostyletus, Genus Leostyletus A.V. Martynov, 1998 (EUBRANCHIDAE)
- leota, Hemiplecta densa leota (L. Pfeiffer) - (ARIOPHANTIDAE)
- leotaudi, Anodontites leotaudi (R.J.L. Guppy, 1864) - (MYCETOPODIDAE)
- lepadivora, Fiona lepadivora Graeffe, L.S.R. Bergh, 1878 - syn of: Fiona pinnata (J.F. von Eschscholtz, 1831) - (FIONIDAE)
- Lepadomurex, syn of: Genus Coralliophila H. Adams & A. Adams, 1853 (MURICIDAE)
- lepaini, Decorospira lepaini Frýda & Blodgett, 2004 † - (PSEUDOPHORIDAE) (FOSSIL)
- lepas, Patella lepas J.F. Gmelin, 1791 - syn of: Concholepas concholepas (J.G. Bruguière, 1789) - (PATELLIDAE)
- lepavinensis, Melanopsis lepavinensis Š. Brusina, 1897 † - (MELANOPSIDAE) (FOSSIL)
- lepeei, Peroniceras lepeei (Fallot, 1885 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- lepeei, Schloenbachia lepeei M. von Neumayr 1875 † - (SCHLOENBACHIIDAE) (FOSSIL)
- lepeltieri, Crassatella lepeltieri Dufour, 1881 † - (CRASSATELLIDAE) (FOSSIL)
- Lepeniceras, Genus Lepeniceras Rabrenovic , 1989 † (PHYLLOCERATIDAE) (FOSSIL)
- lepense, Lepeniceras lepense Rabrenovic, 1989 † - (PHYLLOCERATIDAE) (FOSSIL)
- lepersonnei, Pleiodon lepersonnei Gautier & D. Van Damme, 1973 † - (IRIDINIDAE) (FOSSIL)
- Lepeta, Genus Lepeta J.E. Gray, 1847 (LEPETIDAE)
- Lepetella, Genus Lepetella A.E. Verrill, 1880 (LEPETELLIDAE)
- LEPETELLIDAE Dall, 1882 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-LEPETELLOIDEA [Superfamily])
- LEPETIDAE Dall, 1869 - Family (GASTROPODA-PATELLOGASTROPODA [Subclass]-LOTTIOIDEA [Superfamily])
- LEPETODRILIDAE McLean, 1988 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-LEPETODRILOIDEA [Superfamily])
- Lepetodrilus, Genus Lepetodrilus J.H. McLean, 1988 (LEPETODRILIDAE)
- LEPETOPSIDAE McLean, 1990 † - Family (GASTROPODA-PATELLOGASTROPODA [Subclass]-LEPETOPSACEA [Superfamily]) (FOSSIL)
- Lepetopsis, Genus Lepetopsis Whitfield, 1882 † (LEPETOPSIDAE) (FOSSIL)
- lephayi, Gaimardia lephayi A. de Rochebrune & J.F. Mabille, 1889 - syn of: Gaimardia trapesina (J.B.P.A. Lamarck, 1819) - (GAIMARDIIDAE)
- lepichoni, Paralepetopsis lepichoni A. Warén & P. Bouchet, 2001 - (NEOLEPETOPSIDAE)
- Lepicythara, Genus Lepicythara Olsson , 1964 † (TURRIDAE) (FOSSIL)
- lepida, Leptachatina lepida C.M. Cooke, 1910 - (AMASTRIDAE)
- lepida, Basisulcata lepida (F.M. Bayer, 1942) - (ARCHITECTONICIDAE)
- lepida, Bulla lepida L.W. Dillwyn, 1817 - syn of: Pseudosimnia carnea (J.L.M. Poiret, 1789) - (BULLIDAE)
- lepida, Papuina lepida H.C. Fulton, 1916 - (CAMAENIDAE)
- lepida, Pleurifera lepida K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- lepida, Cymaclymenia lepida Pajchlowa, 1972 † - (CYMACLYMENIIDAE) (FOSSIL)
- lepida, Isospira lepida J. Perner, 1903 † - (CYRTONELLIDAE) (FOSSIL)
- lepida, Mucronalia lepida J.C. Melvill, 1906 - (EULIMIDAE)
- lepida, Oceanida lepida A. Adams, 1864 - syn of: Leiostraca pygmaea (A. Adams, 1864) - (EULIMIDAE)
- lepida, Reynesia lepida Buckman † - (GRAPHOCERATIDAE) (FOSSIL)
- lepida, Bornia lepida C. Hedley, 1906 - syn of: Borniola lepida (C. Hedley, 1906) - (KELLIIDAE)
- lepida, Borniola lepida (C. Hedley, 1906) - (LASAEIDAE)
- lepida, Liarea lepida H.H. Suter, 1904 - (LIAREIDAE)
- lepida, Styliferina lepida A. Adams, 1862 - (LITIOPIDAE)
- lepida, Littorina lepida A.A. Gould, 1849 - syn of: Littorina scutulata Gould, 1849 - (LITTORINIDAE)
- lepida, Glabella lepida A.A. Gould, 1861 - (MARGINELLIDAE)
- lepida, Xymene lepida (H.H. Suter, 1917 †) - (MURICIDAE) (FOSSIL)
- lepida, Habromorula lepida (R. Houart, 1995) - (MURICIDAE)
- lepida, Brachidontes lepida R.A. Philippi, 1893 - syn of: Brachidontes rodriguezii (A.V.M.D. D'Orbigny, 1842) - (MYTILIDAE)
- lepida, Oliva lepida P.L. Duclos, 1835 - syn of: Oliva todosina lepida (P.L. Duclos, 1835) - (OLIVIDAE)
- lepida, Oliva todosina lepida (P.L. Duclos, 1835) - (OLIVIDAE)
- lepida, Turbonellina lepida (de Koninck, 1843 †) - (PLATYCERATIDAE) (FOSSIL)
- lepida, Actinopteria lepida (G.A. Goldfuss, 1835 †) - (PTERINEIDAE) (FOSSIL)
- lepida, Rissoa lepida W.P. Woodring, 1928 † - syn of: Mirarissoina lepida (W.P. Woodring, 1928 †) - (RISSOIDAE) (FOSSIL)
- lepida, Fluxinella lepida B.A. Marshall, 1983 - (SEGUENZIIDAE)
- lepida, Weaverella lepida (Philippi, 1899) † - (STEINMANELLIDAE) (FOSSIL)
- lepida, Hastula lepida (R.B. Hinds, 1844) - (TEREBRIDAE)
- lepida, Strigosella lepida (R.A. Philippi, 1846) - (TROCHIDAE)
- lepida, Alcyna lepida (R.A. Philippi, 1846) - syn of: Strigosella lepida (R.A. Philippi, 1846) - (TROCHIDAE)
- lepida, Anodonta lepida H. Drouët, 1892 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- lepida, Vallonia lepida (A.E. Reuss in A.E. Reuss & Meyer, 1849 †) - (VALLONIIDAE) (FOSSIL)
- lepida, Alcithoe lepida J. Marwick, 1926 † - (VOLUTIDAE) (FOSSIL)
- lepida, Yoldia lepida A. Adams, 1856 - syn of: Orthoyoldia serotina (R.B. Hinds, 1843) - (YOLDIIDAE)
- lepida, Mirarissoina lepida (W.P. Woodring, 1928 †) - (ZEBINIDAE) (FOSSIL)
- lepida solomonensis, Oliva lepida solomonensis E.J. Petuch & D.M. Sargent, 1986 - syn of: Oliva todosina solomonensis E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- lepida volvarioides, Oliva lepida volvarioides P.L. Duclos, 1840 - syn of: Oliva todosina volvarioides P.L. Duclos, 1840 - (OLIVIDAE)
- lepidella, Eucithara lepidella (R.P.J. Hervier, 1897) - (MANGELIIDAE)
- lepiderma, Ashmunella proxima lepiderma H.A. Pilsbry & J.H. Ferriss, 1910 - (POLYGYRIDAE)
- lepidioir, Unio lepidioir A.A. Bonetto, 1964 - syn of: Rhipidodonta charruana (A.V.M.D. D'Orbigny, 1835) - (UNIONIDAE)
- lepidior, Unio lepidior I. Lea, 1870 - syn of: Rhipidodonta charruana (A.V.M.D. D'Orbigny, 1835) - (UNIONIDAE)
- Lepidiscala, syn of: Genus Epitonium P.F. Röding, 1798 (EPITONIIDAE)
- Lepidites, Genus Lepidites Zhong, 1977 (MAIKHANELLIDAE) (FOSSIL)
- lepidites, Maikhanella lepidites He & Yang, 1982 † - (MAIKHANELLIDAE) (FOSSIL)
- Lepidocardia, Genus Lepidocardia W.H. Dall, 1902 (VENERIDAE)
- Lepidochiton, syn of: Genus Lepidochitona J.E. Gray, 1821 (LEPIDOCHITONIDAE)
- Lepidochitona, Genus Lepidochitona J.E. Gray, 1821 (LEPIDOCHITONIDAE)
- LEPIDOCHITONIDAE Iredale, 1914 - Family (POLYPLACOPHORA-NEOLORICATA [Subclass]-CHITONIDA [Order]-ACANTHOCHITONINA [Suborder]-MOPALIOIDEA [Superfamily])
- Lepidocolus, Genus Lepidocolus Maxwell, 1992 † (FASCIOLARIIDAE) (FOSSIL)
- Lepidodesma, Genus Lepidodesma C.T. Simpson, 1896 (UNIONIDAE)
- lepidoformis, Acar lepidoformis J. de A. Francisco, J.C.N. Barros & S.F.B. de Lima, 2012 - (ARCIDAE)
- lepidoformis, Tryphomyax lepidoformis (A.A. Olsson, 1961) - (GALEOMMATIDAE)
- lepidoformis, Lepton lepidoformis A.A. Olsson, 1961 - syn of: Tryphomyax lepidoformis (A.A. Olsson, 1961) - (LASAEIDAE)
- lepidoglypta, Globivenus lepidoglypta (W.H. Dall, 1902) - (VENERIDAE)
- Lepidolucina, Genus Lepidolucina E.A. Glover & J.D. Taylor, 2007 (LUCINIDAE)
- Lepidomenia, Genus Lepidomenia A. Kowalevsky, 1883 (LEPIDOMENIIDAE)
- LEPIDOMENIIDAE Pruvot, 1902 - Family (SOLENOGASTRES-SOLENOGASTRES [Subclass]-PHOLIDOSKEPIA [Order])
- Lepidonerita, syn of: Genus Nerita C. Linnaeus, 1758 (NERITIDAE)
- Lepidonowakia, Genus Lepidonowakia Ruan & Mu, 1989 † (TENTACULITA (UNASSIGNED)) (FOSSIL)
- Lepidopecten, Genus Lepidopecten Woodring, 1982 † (PECTINIDAE) (FOSSIL)
- lepidophora, Aegista lepidophora G.P.L.K. Gude, 1900 - (BRADYBAENIDAE)
- lepidophora, Chloritis lepidophora W. Kobelt, 1891 - (CAMAENIDAE)
- lepidophora, Euomphalia lepidophora J.R. Bourguignat, 1878 - syn of: Euomphalia strigella (J.P.R. Draparnaud, 1801) - (HYGROMIIDAE)
- lepidophora scutifera, Aegista lepidophora scutifera H.A. Pilsbry & Y. Hirase, 1908 - (BRADYBAENIDAE)
- Lepidopisum, syn of: Genus Aegista J.A. Albers, 1850 (BRADYBAENIDAE)
- LEPIDOPLEURIDAE - syn of Family: LEPTOCHITONIDAE
- Lepidopleuroides, syn of: Genus Ischnochiton J.E. Gray, 1847 (ISCHNOCHITONIDAE)
- Lepidopleurus, Genus Lepidopleurus A. Risso, 1826 (LEPTOCHITONIDAE)
- Lepidoradsia, syn of: Subgenus Ischnochiton (Ischnoradsia) R.J. Shuttleworth, 1853 (ISCHNOCHITONIDAE)
- lepidospira, Paraformosana lepidospira (P.M. Heude, 1889) - (CLAUSILIIDAE)
- lepidostola, Ganesella lepidostola P.M. Heude, 1882 - (CAMAENIDAE)
- lepidota, Pholidoherpia lepidota L. Salvini-Plawén, 1978 - (HEMIMENIIDAE)
- lepidota, Phyllodina lepidota W.H. Dall, 1900 † - (TELLINIDAE) (FOSSIL)
- lepidotera, Arene lepidotera J.H. McLean, 1970 - (ARENEIDAE)
- lepidotera, Macrarene lepidotera J.H. McLean, 1970 - (LIOTIIDAE)
- LEPIDOTEUTHIDAE Naef, 1912 - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-OEGOPSIDA [Order])
- Lepidoteuthis, Genus Lepidoteuthis L.M.A.O.E. Joubin, 1895 (LEPIDOTEUTHIDAE)
- Lepidotrichia, Genus Lepidotrichia P. Bartsch, 1942 (HELICARIONIDAE)
- Lepidotrochus, Genus Lepidotrochus Koken, 1895 † (CIRRIDAE) (FOSSIL)
- lepidotus, Chicoreus lepidotus E.H. Vokes, 1963 † - (MURICIDAE) (FOSSIL)
- lepidotus, Vokesinotus lepidotus (W.H. Dall, 1890 †) - (MURICIDAE) (FOSSIL)
- Lepidozona, Genus Lepidozona H.A. Pilsbry, 1892 (ISCHNOCHITONIDAE)
- lepidula, Cylichna lepidula W.H. Pease, 1862 - (CYLICHNIDAE)
- lepidula, Holopea lepidula J. Perner, 1903 † - syn of: Cyclonema lepidula (J. Perner, 1903 †) - (HOLOPEIDAE) (FOSSIL)
- lepidula, Lacuna lepidula A. Adams, 1863 - (LITTORINIDAE)
- lepidula, Cyclonema lepidula (J. Perner, 1903 †) - (PLATYCERATIDAE) (FOSSIL)
- lepidula, Syrnola lepidula A. Adams, 1860 - (PYRAMIDELLIDAE)
- lepidula, Tibersyrnola lepidula (T. Habe, 1961) - (PYRAMIDELLIDAE)
- lepidula, Columella lepidula F. Held, 1837 - syn of: Columella edentula (J.P.R. Draparnaud, 1805) - (VERTIGINIDAE)
- lepidula, Orthoyoldia lepidula (A. Adams, 1856) - (YOLDIIDAE)
- lepidula, Yoldia lepidula A. Adams, 1856 - syn of: Orthoyoldia lepidula (A. Adams, 1856) - (YOLDIIDAE)
- lepidulus, Pupoides lepidulus A. Adams & G.F. Angas, 1864 - (PUPILLIDAE)
- lepidulus, Tapes lepidulus É.A.A. Locard, 1886 - syn of: Polititapes rhomboides (T. Pennant, 1777) - (VENERIDAE)
- lepidum, Corneobuccinum lepidum (W.H. Dall, 1918) - (BUCCINIDAE)
- lepidum, Cerion vulneratum lepidum W.J. Clench & C.G. Aguayo, 1951 - (CERIONIDAE)
- lepidum, Lepton lepidum T. Say, 1826 - (LASAEIDAE)
- lepidum, Lytoceras lepidum (A.V.M.D. D'Orbigny 1840 †) - (LYTOCERATIDAE) (FOSSIL)
- lepidum, Oxylenticeras lepidum (Spath, 1950 †) - (OPPELIIDAE) (FOSSIL)
- lepidum, Acanthopleuroceras lepidum Tutcher & Trueman, 1925 † - (POLYMORPHITIDAE) (FOSSIL)
- lepidus, Latisipho lepidus W.H. Dall, 1918 - syn of: Corneobuccinum lepidum (W.H. Dall, 1918) - (BUCCINIDAE)
- lepidus, Plectodon lepidus B.A. Marshall, 2002 - (CUSPIDARIIDAE)
- lepidus, Glyphiolobus lepidus (Girty, 1909 †) - (DIMORPHOCERATIDAE) (FOSSIL)
- lepidus, Prosinuites lepidus (Yü, 1979 †) - (HELCIONELLIDAE) (FOSSIL)
- lepidus, Centriconus lepidus Yü, 1979 † - syn of: Prosinuites lepidus (Yü, 1979 †) - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- lepidus, Murex lepidus L.A. Reeve, 1845 - syn of: Favartia vittata (W.J. Broderip, 1833) - (MURICIDAE)
- lepidus, Gudeodiscus lepidus G.P.L.K. Gude, 1900 - syn of: Gudeodiscus francoisi (H. Fischer, 1899) - (PLECTOPYLIDAE)
- lepidus, Trochus lepidus R.A. Philippi, 1846 - syn of: Strigosella lepida (R.A. Philippi, 1846) - (TROCHIDAE)
- lepidus, Cantharidus lepidus R.A. Philippi, 1846 - syn of: Strigosella lepida (R.A. Philippi, 1846) - (TROCHIDAE)
- lepidus, Jujubinus lepidus R.A. Philippi, 1846 - syn of: Strigosella lepida (R.A. Philippi, 1846) - (TROCHIDAE)
- lepidus, Unio lepidus I. Lea, 1860 - syn of: Rhipidodonta charruana (A.V.M.D. D'Orbigny, 1835) - (UNIONIDAE)
- lepiferum, Aulatornoceras lepiferum Becker, 1993 † - (TORNOCERATIDAE) (FOSSIL)
- Lepilucina, syn of: Genus Lucina J.B.P.A. Lamarck, 1799 (LUCINIDAE)
- Lepinayceras, Genus Lepinayceras Vermeulen & al., 2012 † (EMERICICERATIDAE) (FOSSIL)
- Lepinota, syn of: Genus Ciliella A. Mousson, 1872 (HYGROMIIDAE)
- Lepirodes, Genus Lepirodes P. Fischer, 1887 (GALEOMMATIDAE)
- lepis, Streblopteria lepis (Whidborne, 1897 †) - (DELTOPECTINIDAE) (FOSSIL)
- Lepiskites, Genus Lepiskites Dagis & Ermakova, 1990 † (GALFETTITIDAE) (FOSSIL)
- lepisma, Lepton lepisma T.A. de M. Monterosato, 1878 - syn of: Vasconiella jeffreysiana (P. Fischer in L. de Folin & J.P.L. Périer, 1873) - (LASAEIDAE)
- lepisma, Notoacmea lepisma (S.S. Berry, 1940) - syn of: Tectura depicta (R.B. Hinds, 1842) - (LOTTIIDAE)
- Lepoderma, syn of: Genus Falcidens L. Salvini-Plawén, 1968 (CHAETODERMATIDAE)
- Leporemax, syn of: Genus Alcithoe H. Adams & A. Adams, 1853 (VOLUTIDAE)
- Leporiconus, Genus Leporiconus T. Iredale, 1930 (CONIDAE)
- Leporicypraea, Genus Leporicypraea T. Iredale, 1931 (CYPRAEIDAE)
- Leporimetis, Subgenus Apolymetis (Leporimetis) T. Iredale, 1930 (TELLINIDAE)
- leporina, Aplysia leporina S. Delle Chiaje, 1828 - syn of: Aplysia depilans J.F. Gmelin, 1791 - (APLYSIIDAE)
- leporina, Lagochilus leporina (W.T. Blanford, 1865) - (CYCLOPHORIDAE)
- leporina, Trona leporina (J.B.P.A. Lamarck, 1810 †) - (CYPRAEIDAE) (FOSSIL)
- leporina, Pyrgulopsis leporina R. Hershler, 1998 - (HYDROBIIDAE)
- leporina, Daedalochila leporina A.A. Gould, 1848 - (POLYGYRIDAE)
- leporina, Tethys leporina C. Linnaeus, 1767 - syn of: Tethys fimbria C. Linnaeus, 1767 - (TETHYDIDAE)
- leporis, Cochlorina leporis (J.B.P.A. Lamarck, 1822) - (BULIMULIDAE)
- lepperi, Hastula lepperi E.W. Vredenburg, 1921 † - (TEREBRIDAE) (FOSSIL)
- leprevieri, Cristataria leprevieri (P.M. Pallary, 1929) - (CLAUSILIIDAE)
- leprevieri, Lechatelieria leprevieri (P.M. Pallary, 1926) - (HELICIDAE)
- leprevieri, Pseudamnicola leprevieri (P.M. Pallary, 1926) - (HYDROBIIDAE)
- leprevieri, Pupilla leprevieri P.M. Pallary, 1927 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- leprevieri intersita, Cristataria leprevieri intersita (L. Németh & M. Szekeres, 1995) - (CLAUSILIIDAE)
- leprevieri inversa, Cristataria leprevieri inversa (M. Szekeres, 1998) - (CLAUSILIIDAE)
- leprevieri sahyouensis, Cristataria leprevieri sahyouensis (P.M. Pallary, 1939) - (CLAUSILIIDAE)
- leprevieri sahyounensis, Cristataria leprevieri sahyounensis (P.M. Pallary, 1939) - (CLAUSILIIDAE)
- leprieurii, Labyrinthus leprieurii (S.A.A. Petit De La Saussaye, 1840) - (CAMAENIDAE)
- Leproconcha, Genus Leproconcha Giebel, 1856 † (PTERIIDA (UNASSIGNED)) (FOSSIL)
- leprosa, Canariella leprosa (R.J. Shuttleworth, 1852) - (CANARIELLIDAE)
- leprosa, Loxonema leprosa Stoppani, 1857 † - syn of: Omphaloptycha aldrovandii (Stoppani, 1857 †) - (LOXONEMATIDAE) (FOSSIL)
- leprosa, Veprichlamys leprosa A.G. Beu & T.A. Darragh, 2001 † - (PECTINIDAE) (FOSSIL)
- leprosa, Melania leprosa P.M. Heude, 1888 - syn of: Hua telonaria (P.M. Heude, 1888) - (THIARIDAE)
- leprosa, Anodonta leprosa É.A.A. Locard, 1899 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- leprosa, Endoptygma leprosa (Morton, 1834 †) - (XENOPHORIDAE) (FOSSIL)
- leprosa benacensis, Anodonta leprosa benacensis P.V. Gredler, 1859 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- leprosus, Unio leprosus M. Miles, 1861 - syn of: Ligumia recta (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- Lepsia, syn of: Genus Haustrum G. Perry, 1811 (MURICIDAE)
- Lepsiella, Genus Lepsiella T. Iredale, 1912 (MURICIDAE)
- lepsii, Coelochrysalis lepsii Böhm, 1895 † - (COELOSTYLINIDAE) (FOSSIL)
- lepsii, Trypanostylus lepsii E.A.L. Kittl, 1894 † - (COELOSTYLINIDAE) (FOSSIL)
- lepsii, Spatha lepsii C.F. Jickeli, 1874 - syn of: Chambardia rubens (J.B.P.A. Lamarck, 1819) - (IRIDINIDAE)
- Lepsithais, syn of: Genus Haustrum G. Perry, 1811 (MURICIDAE)
- lepsiusi, Coelochrysalis lepsiusi Böhm, 1895 † - syn of: Coelochrysalis lepsii Böhm, 1895 † - (COELOSTYLINIDAE) (FOSSIL)
- lepsiusi, Pleuronautilus lepsiusi Mojsisovics, 1902 † - (TAINOCERATIDAE) (FOSSIL)
- lepta, Acteocina lepta W.P. Woodring, 1928 - (ACTEOCINIDAE)
- lepta, Pseudamaura lepta N.F. Sohl, 1964 † - (AMPULLINIDAE) (FOSSIL)
- lepta, Chondrina avenacea lepta C.A. Westerlund, 1887 - (CHONDRINIDAE)
- lepta, Aforia lepta R.B. Watson, 1881 - syn of: Aforia watsoni Y.I. Kantor, M.G. Harasewych & N. Puillandre, 2016 - (COCHLESPIRIDAE)
- lepta, Gibberula lepta P. Bartsch, 1915 - syn of: Gibberula burnupi (G.B. III Sowerby, 1897) - (CYSTISCIDAE)
- lepta, Graptacme lepta (K.J. Bush, 1885) - (DENTALIIDAE)
- lepta, Drillia lepta F.E. Edwards, 1861 † - syn of: Crassispira lepta (F.E. Edwards, 1861 †) - (DRILLIIDAE) (FOSSIL)
- lepta, Graphoceras lepta Buckman † - (GRAPHOCERATIDAE) (FOSSIL)
- lepta, Helix lepta C.A. Westerlund, 1883 - syn of: Punctum conspectum T.B. Bland, 1865 - (HELICIDAE)
- lepta, Marshallena lepta (A. Adams & G.F. Angas, 1864) - (HORAICLAVIDAE)
- Lepta, syn of: Genus Lepeta J.E. Gray, 1847 (LEPETIDAE)
- lepta, Marginella lepta P. Bartsch, 1915 - syn of: Gibberula burnupi (G.B. III Sowerby, 1897) - (MARGINELLIDAE)
- lepta, Myalina lepta Newell, 1942 † - (MYALINIDAE) (FOSSIL)
- lepta, Olivella lepta (P.L. Duclos, 1835) - (OLIVELLIDAE)
- lepta, Vitrea lepta C.A. Westerlund, 1902 - syn of: Vitrea contracta (C.A. Westerlund, 1871) - (PRISTILOMATIDAE)
- lepta, Crassispira lepta (F.E. Edwards, 1861 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- lepta, Punctum lepta C.A. Westerlund, 1883 - syn of: Punctum conspectum T.B. Bland, 1865 - (PUNCTIDAE)
- lepta, Turbonilla lepta W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- lepta, Peristichia lepta A. Pimenta, F.N. Santos & R.S. Absalão, 2008 - (PYRAMIDELLIDAE)
- lepta, Rissoina lepta W.P. Woodring, 1928 † - syn of: Mirarissoina lepida (W.P. Woodring, 1928 †) - (RISSOINIDAE) (FOSSIL)
- lepta, Terebra lepta W.P. Woodring, 1928 † - (TEREBRIDAE) (FOSSIL)
- lepta, Oxyacrum lepta F.E. Edwards, 1861 † - syn of: Crassispira lepta (F.E. Edwards, 1861 †) - (TURRIDAE) (FOSSIL)
- lepta, Pleurotoma lepta F.E. Edwards, 1861 † - syn of: Crassispira lepta (F.E. Edwards, 1861 †) - (TURRIDAE) (FOSSIL)
- lepta, Pleurotoma lepta R.B. Watson, 1881 - syn of: Aforia watsoni Y.I. Kantor, M.G. Harasewych & N. Puillandre, 2016 - (TURRIDAE)
- lepta, Wareniconcha lepta (W.H. Dall, 1896) - (VESICOMYIDAE)
- lepta, Calyptogena lepta W.H. Dall, 1896 - syn of: Wareniconcha lepta (W.H. Dall, 1896) - (VESICOMYIDAE)
- lepta, Callogonia lepta W.H. Dall, 1896 - syn of: Wareniconcha lepta (W.H. Dall, 1896) - (VESICOMYIDAE)
- lepta leptoides, Crassispira lepta leptoides M.E.A. de Boury, 1899 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- Leptachatina, Genus Leptachatina A. Gould, 1847 (AMASTRIDAE)
- Leptacme, syn of: Subgenus Oospira (Leptocochlea) J. Grego & M. Szekeres, 2011 (CLAUSILIIDAE)
- Leptadrillia, Genus Leptadrillia W.P. Woodring, 1928 (DRILLIIDAE)
- leptaenarum, Mytilarca leptaenarum Isberg, 1934 † - (AMBONYCHIIDAE) (FOSSIL)
- leptaenarum, Modiolopsis leptaenarum Isberg, 1934 † - (MODIOMORPHIDAE) (FOSSIL)
- leptaenarum, Myalina leptaenarum Isberg, 1934 † - (MYALINIDAE) (FOSSIL)
- leptalea, Helenoconcha leptalea Unknown - (CHAROPIDAE)
- leptalea, Cocculina leptalea A.E. Verrill, 1884 - (COCCULINIDAE)
- leptalea, Pyreneola leptalea (E.A. Smith, 1902) - (COLUMBELLIDAE)
- leptalea, Paxula leptalea (H.H. Suter, 1908) - (COLUMBELLIDAE)
- leptalea, Columbella leptalea E.A. Smith, 1902 - syn of: Pyreneola leptalea (E.A. Smith, 1902) - (COLUMBELLIDAE)
- leptalea, Agladrillia leptalea W.P. Woodring, 1928 † - (DRILLIIDAE) (FOSSIL)
- leptalea, Pupatonia leptalea R. Murdoch, 1905 - syn of: Pupatonia pupinella (H.J. Finlay, 1927) - (EATONIELLIDAE)
- leptalea, Acrilla leptalea R. Tate, 1893 † - (EPITONIIDAE) (FOSSIL)
- leptalea, Asperiscala leptalea K.J. Bush, 1885 - syn of: Epitonium multistriatum T. Say, 1826 - (EPITONIIDAE)
- leptalea, Anacithara leptalea C. Hedley, 1922 - (HORAICLAVIDAE)
- leptalea, Choristella leptalea K.J. Bush, 1897 - (LEPETELLIDAE)
- leptalea, Copulabyssia leptalea (A.E. Verrill, 1884) - (PSEUDOCOCCULINIDAE)
- leptalea, Hindsiclava henekeni leptalea W.P. Woodring, 1970 - (PSEUDOMELATOMIDAE)
- leptalea, Taranis leptalea (A.E. Verrill, 1884) - (RAPHITOMIDAE)
- leptalea, Xanthodaphne leptalea (K.J. Bush, 1893) - (RAPHITOMIDAE)
- leptalea, Onoba leptalea (A.E. Verrill, 1884) - (RISSOIDAE)
- leptalea, Phyllodina leptalea Gardner, 1947 † - (TELLINIDAE) (FOSSIL)
- leptalea, Pleurotoma leptalea K.J. Bush, 1893 - syn of: Xanthodaphne leptalea (K.J. Bush, 1893) - (TURRIDAE)
- leptalea, Venus leptalea W.H. Dall, 1894 - syn of: Anomalocardia puella (Pfeiffer in R.A. Philippi, 1846) - (VENERIDAE)
- leptalea, Anomalocardia leptalea W.H. Dall, 1894 - syn of: Anomalocardia puella (Pfeiffer in R.A. Philippi, 1846) - (VENERIDAE)
- leptalens, Colus leptalens (A.E. Verrill, 1884) - (BUCCINIDAE)
- Leptaleoceras, Genus Leptaleoceras Buckman , 1918 † (HILDOCERATIDAE) (FOSSIL)
- leptaleus, Polinices leptaleus (R.B. Watson, 1881) - (NATICIDAE)
- leptaleus, Pecten leptaleus A.E. Verrill, 1897 - syn of: Cyclopecten leptaleus (A.E. Verrill, 1884) - (PECTINIDAE)
- leptaleus, Cyclopecten leptaleus (A.E. Verrill, 1884) - (PROPEAMUSSIIDAE)
- Leptanodonta, Genus Leptanodonta W.A. Wenz, 1927 (UNIONIDAE)
- leptapsis, Terebra leptapsis L.R.L. Simone, 1999 - (TEREBRIDAE)
- leptarcis, Rimula leptarcis L.R.L. Simone & C.M. Cunha, 2014 - (FISSURELLIDAE)
- Leptarionta, Genus Leptarionta J.C.H. Crosse & P. Fischer, 1872 (XANTHONYCHIDAE)
- Leptarius, Genus Leptarius Woodring, 1964 † (NASSARIIDAE) (FOSSIL)
- Leptaxinus, Genus Leptaxinus A.E. Verrill & K.J. Bush, 1898 (THYASIRIDAE)
- Leptaxis, Genus Leptaxis R.T. Lowe, 1852 (HYGROMIIDAE)
- lepteces, Lithophaga lepteces Z.R. Wang, 1997 - (MYTILIDAE)
- Leptechioceras, Genus Leptechioceras Buckman, 1923 † (ECHIOCERATIDAE) (FOSSIL)
- Leptegauana, Genus Leptegauana † (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Leptegonana, syn of: Subgenus Prunum (Microspira) Conrad, 1868 † (MARGINELLIDAE) (FOSSIL)
- Leptegouana, syn of: Genus Marginella J.B.P.A. Lamarck, 1799 (MARGINELLIDAE)
- leptekes, Acteocina leptekes (R.B. Watson) - (ACTEOCINIDAE)
- Lepteocaloceras, Genus Lepteocaloceras Dommergues, 2012 † (PSILOCERATIDAE) (FOSSIL)
- Leptesthes, Genus Leptesthes Meek, 1871 † (CARDIIDA (UNASSIGNED)) (FOSSIL)
- Lepteviella, syn of: Genus Lapteviella Kurushin, 1985 † (MALLETIIDAE) (FOSSIL)
- Lepthoplites, Genus Lepthoplites Spath, 1926 † (HOPLITIDAE) (FOSSIL)
- Leptichnoides, Genus Leptichnoides J.L. van Goethem, 1977 (UROCYCLIDAE)
- Leptichnus, Genus Leptichnus H.R. Simroth, 1896 (UROCYCLIDAE)
- LEPTIDAE - syn of Family: LEPETIDAE
- Leptina, syn of: Genus Cardilia G.P. Deshayes, 1835 (CARDILIIDAE)
- Leptinaria, Genus Leptinaria H.H. Beck, 1837 (SUBULINIDAE)
- Leptobyrsus, Subgenus Rabdotus (Leptobyrsus) P. Fischer & J.C.H. Crosse, 1875 (BULIMULIDAE)
- Leptocala, Genus Leptocala C.M.F. Ancey, 1888 (ACHATINIDAE)
- Leptocalina, Subgenus Achatina (Leptocalina) J.C. Bequaert & W.J. Clench, 1934 (ACHATINIDAE)
- Leptocallista, Subgenus Achatina (Leptocallista) H.A. Pilsbry, 1904 (ACHATINIDAE)
- Leptocardia, Subgenus Protocardia (Leptocardia) Meek, 1876 (CARDIIDAE)
- leptocarya, Limatula leptocarya (J.C. Melvill, 1898) - (LIMIDAE)
- Leptoceras, Genus Leptoceras Uhlig, 1883 † (PROTANCYLOCERATIDAE) (FOSSIL)
- Leptoceratoides, Genus Leptoceratoides Thieuloy , 1966 † (LEPTOCERATOIDIDAE) (FOSSIL)
- LEPTOCERATOIDIDAE Thieuloy, 1966 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ANCYLOCERATINA [Suborder]-ANCYLOCERATOIDEA [Superfamily]) (FOSSIL)
- leptocharactum, Cerithium leptocharactum H.A. Rehder, 1980 - (CERITHIIDAE)
- leptocharteres, Trophon leptocharteres P.G. Oliver & G.B. Picken, 1984 - (MURICIDAE)
- leptocheila, Ringicula leptocheila G.A. Brugnone, 1873 † - (RINGICULIDAE) (FOSSIL)
- leptocheilus, Chondrina leptocheilus P. Fagot, 1879 - syn of: Chondrina tenuimarginata C. des Moulins, 1835 - (CHONDRINIDAE)
- leptochila, Partula leptochila D.M. Crampton, 1956 - (PARTULIDAE)
- leptochilus, Dryptus leptochilus L. Pfeiffer, 1848 - syn of: Dryptus pardalis (A.E.J. Férussac, 1821) - (AMPHIBULIMIDAE)
- Leptochiton, Genus Leptochiton J.E. Gray, 1847 (LEPTOCHITONIDAE)
- Leptochitona, syn of: Genus Lepidochitona J.E. Gray, 1821 (LEPIDOCHITONIDAE)
- LEPTOCHITONIDAE Dall, 1889 - Family (POLYPLACOPHORA-NEOLORICATA [Subclass]-LEPIDOPLEURIDA [Order]-LEPIDOPLEURINA [Suborder])
- Leptochitonina, Genus Leptochitonina H.L. Strack, 1982 (LEPTOCHITONIDAE)
- Leptochondria, Genus Leptochondria Bittner , 1891 † (LEIOPECTINIDAE) (FOSSIL)
- Leptocochlea, Subgenus Oospira (Leptocochlea) J. Grego & M. Szekeres, 2011 (CLAUSILIIDAE)
- Leptocola, syn of: Genus Leptocala C.M.F. Ancey, 1888 (ACHATINIDAE)
- Leptocollonia, Genus Leptocollonia A. Powell, 1951 (COLLONIIDAE)
- leptocolpata, Xerosecta leptocolpata (P.M. Pallary, 1923) - (HYGROMIIDAE)
- Leptocolpus, syn of: Genus Colpospira J. Donald, 1900 (TURRITELLIDAE)
- leptoconcha, Costentalina leptoconcha S.D. Chistikov, 1982 - (ENTALINIDAE)
- leptoconcha, Pleurorima leptoconcha J. Perner, 1907 † - (GOSSELETINIDAE) (FOSSIL)
- leptoconcha, Pleurotomella leptoconcha É.A.A. Locard, 1897 - (RAPHITOMIDAE)
- leptoconchum, Gymnobela leptoconchum É.A.A. Locard, 1897 ex H. Fischer MS - syn of: Gymnobela emertoni (A.E. Verrill & S. Smith in A.E. Verrill, 1884) - (RAPHITOMIDAE)
- leptoconchum, Pleurotoma leptoconchum É.A.A. Locard, 1897 ex H. Fischer MS - syn of: Gymnobela emertoni (A.E. Verrill & S. Smith in A.E. Verrill, 1884) - (TURRIDAE)
- leptoconchum curta, Pleurotoma leptoconchum curta É.A.A. Locard, 1897 ex H. Fischer MS - syn of: Gymnobela emertoni (A.E. Verrill & S. Smith in A.E. Verrill, 1884) - (TURRIDAE)
- Leptoconchus, Genus Leptoconchus W.P.E.S. Rüppell, 1834 (MURICIDAE)
- Leptoconocardium, Genus Leptoconocardium Hoare , 2006 † (CONOCARDIIDAE) (FOSSIL)
- Leptoconus, Genus Leptoconus W.J. Swainson, 1840 (CONIDAE)
- Leptocyrtoceras, Genus Leptocyrtoceras Ulrich & al., 1944 † (BASSLEROCERATIDAE) (FOSSIL)
- Leptodactylites, Genus Leptodactylites Buckman, 1926 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Leptodea, Genus Leptodea C.S. Rafinesque, 1820 (UNIONIDAE)
- leptodermatus, Lichomolgus leptodermatus R.U. Gooding, 1957 - syn of: Laevicardium crassum (J.F. Gmelin, 1791) - (CARDIIDAE)
- Leptodesma, Genus Leptodesma Hall , 1883 † (PTERINEIDAE) (FOSSIL)
- leptodiscus, Lytophiceras leptodiscus Spath, 1935 † - (OPHICERATIDAE) (FOSSIL)
- leptodoma, Gadilopsis leptodoma H.A. Pilsbry & A.A. Olsson, 1941 † - (GADILIDAE) (FOSSIL)
- Leptodomus, Genus Leptodomus McCoy, 1844 † (SANGUINOLITIDAE) (FOSSIL)
- leptodon, Odontostomus leptodon E.C. Von Martens, 1875 - syn of: Spixia alvarezi (A.V.M.D. D'Orbigny, 1835) - (ODONTOSTOMIDAE)
- leptodon, Leptodea leptodon (C.S. Rafinesque, 1820) - (UNIONIDAE)
- leptodon olivacea, Leptodea leptodon olivacea C.S. Rafinesque, 1820 - syn of: Leptodea leptodon (C.S. Rafinesque, 1820) - (UNIONIDAE)
- leptodon semiradiata, Leptodea leptodon semiradiata C.S. Rafinesque, 1820 - syn of: Leptodea leptodon (C.S. Rafinesque, 1820) - (UNIONIDAE)
- leptodons, Neorossia leptodons D.G. Reid, 1992 - (SEPIOLIDAE)
- leptodonta, Assiminea leptodonta M. Connolly, 1922 - (ASSIMINEIDAE)
- leptodonta, Eussoia leptodonta (G. Nevill, 1881) - (ASSIMINEIDAE)
- leptodonta, Nucula leptodonta F.R. Bernard, 1983 - syn of: Ennucula tenuis (G. Montagu, 1808) - (NUCULIDAE)
- leptodonta, Leionucula leptodonta Bernard, 1983 - syn of: Ennucula tenuis (G. Montagu, 1808) - (NUCULIDAE)
- Leptodontarion, syn of: Genus Ibycus D.F. Heynemann, 1862 (ARIOPHANTIDAE)
- Leptodontoteuthis, syn of: Genus Lycoteuthis G.J. Pfeffer, 1900 (LYCOTEUTHIDAE)
- Leptodrymaeus, syn of: Subgenus Drymaeus (Mesembrinus) J.A. Albers, 1850 (BULIMULIDAE)
- leptoeneilema, Retusa leptoeneilema (Š. Brusina, 1866) - (RETUSIDAE)
- leptogaster, Chlamys leptogaster Š. Brusina, 1866 - syn of: Karnekampia sulcata (O.F. Müller, 1776) - (PECTINIDAE)
- leptoglyphos, Caecum leptoglyphos L. de Folin, 1881 - syn of: Caecum textile L. de Folin, 1867 - (CAECIDAE)
- leptoglyphus, Discartemon leptoglyphus W.S.S. Van Benthem-Jutting, 1954 - (STREPTAXIDAE)
- leptoglypta, Ceratomya leptoglypta A.E.M. Cossmann, 1900 † - (CERATOMYIDAE) (FOSSIL)
- leptoglypta, Cocculina leptoglypta P. Dautzenberg & H. Fischer, 1897 - (COCCULINIDAE)
- leptoglypta, Gymnobela leptoglypta (P. Dautzenberg & H. Fischer, 1896) - (RAPHITOMIDAE)
- leptoglypta, Pleurotoma leptoglypta P. Dautzenberg & H. Fischer, 1896 - syn of: Gymnobela leptoglypta (P. Dautzenberg & H. Fischer, 1896) - (TURRIDAE)
- leptogramma, Rhagada leptogramma (L. Pfeiffer, 1846) - (CAMAENIDAE)
- leptogramma, Incatella leptogramma (R.A. Philippi, 1887 †) - (TURRITELLIDAE) (FOSSIL)
- leptogyra, Asuranena leptogyra (W.A. Lindholm, 1927) - (ENIDAE)
- Leptogyra, Genus Leptogyra K.J. Bush, 1897 (MELANODRYMIIDAE)
- leptogyrale, Skirroceras leptogyrale Buckman † - (STEPHANOCERATIDAE) (FOSSIL)
- Leptogyroceras, Genus Leptogyroceras Zhao & Liang, 1966 † (ANDERSSONOCERATIDAE) (FOSSIL)
- Leptogyropsis, Genus Leptogyropsis B.A. Marshall, 1988 (MELANODRYMIIDAE)
- Leptohamulina, Genus Leptohamulina Vermeulen, 2006 † (ANAHAMULINIDAE) (FOSSIL)
- leptoides, Crassispira lepta leptoides M.E.A. de Boury, 1899 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- leptolemma, Lamellaria leptolemma L.S.R. Bergh, 1899 - syn of: Calyptoconcha pellucida (A.E. Verrill, 1880) - (VELUTINIDAE)
- leptolemnum, Lamellaria leptolemnum L.S.R. Bergh, 1899 - syn of: Calyptoconcha pellucida (A.E. Verrill, 1880) - (VELUTINIDAE)
- Leptolima, syn of: Genus Crenipecten Hall, 1883 † (AVICULOPECTINIDAE) (FOSSIL)
- Leptolimnaea, syn of: Subgenus Stagnicola (Omphiscola) H.H. Beck, 1837 (LYMNAEIDAE)
- Leptolimnaeus, syn of: Subgenus Stagnicola (Omphiscola) H.H. Beck, 1837 (LYMNAEIDAE)
- leptolira, Myrtina leptolira E.A. Glover & D.W. Taylor, 2007 - (LUCINIDAE)
- leptolobatus, Crendonites leptolobatus Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Leptoloma, syn of: Genus Dialeuca J.A. Albers, 1850 (CEPOLIDAE)
- leptoloma, Helix leptoloma O. Böttger, 1870 † - syn of: Leucochroopsis apicalis (A.E. Reuss, 1861 †) - (HELICIDAE) (FOSSIL)
- leptoloma, Leucochroopsis leptoloma (A. Braun in Walchner, 1851) † - (HYGROMIIDAE) (FOSSIL)
- Leptomactra, Genus Leptomactra Ward, 1992 † (MACTRIDAE) (FOSSIL)
- Leptomaria, Genus Leptomaria von Schlotheim, 1820 † (PLEUROTOMARIIDAE) (FOSSIL)
- Leptomerus, syn of: Genus Bulimulus W.E. Leach, 1814 (BULIMULIDAE)
- Leptomicroceras, Subgenus Promicroceras (Leptomicroceras) Edmunds & al., 2016 † (EODEROCERATIDAE) (FOSSIL)
- leptomita, Turritella leptomita J.C. Melvill & E.R. Sykes, 1897 - syn of: Eglisia tricarinata A. Adams & L.A. Reeve, 1850 - (TURRITELLIDAE)
- Leptomormus, syn of: Subgenus Drymaeus (Mesembrinus) J.A. Albers, 1850 (BULIMULIDAE)
- leptomorpha, Sphenia leptomorpha A.E.M. Cossmann, 1892 † - (MYIDAE) (FOSSIL)
- leptomorpha, Pseudomelania leptomorpha A.E.M. Cossmann, 1900 † - (PSEUDOMELANIIDAE) (FOSSIL)
- leptomorphus, Arcestes leptomorphus Mojsisovics, 1875 † - (ARCESTIDAE) (FOSSIL)
- leptomphala, Monacha leptomphala J.R. Bourguignat in É.A.A. Locard, 1882 - syn of: Monacha cartusiana (O.F. Müller, 1774) - (HYGROMIIDAE)
- Leptomphalus, Genus Leptomphalus Yochelson, 1956 † (EUOMPHALIDAE) (FOSSIL)
- Leptomurex, Genus Leptomurex † (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Leptomya, Genus Leptomya T.A. Conrad, 1867 (SEMELIDAE)
- Leptomyaria, Genus Leptomyaria T. Habe, 1960 (SEMELIDAE)
- lepton, Calliostoma lepton (C. Vilvens, 2012) - (CALLIOSTOMATIDAE)
- lepton, Fautor lepton C. Vilvens, 2012 - syn of: Calliostoma lepton (C. Vilvens, 2012) - (CALLIOSTOMATIDAE)
- Lepton, Genus Lepton W.H. Turton, 1822 (LASAEIDAE)
- lepton, Orthoceras lepton C. Gemmellaro, 1889 † - (ORTHOCERATIDAE) (FOSSIL)
- Leptonaias, syn of: Genus Nephronaias J.C.H. Crosse & P. Fischer, 1894 (UNIONIDAE)
- leptonema, Gaudryceras leptonema Sharpe, 1855 † - (GAUDRYCERATIDAE) (FOSSIL)
- leptonema, Valvata leptonema Š. Brusina, 1892 † - (VALVATIDAE) (FOSSIL)
- leptoni, Straparollus leptoni Tassell, 1982 † - (EUOMPHALIDAE) (FOSSIL)
- LEPTONIDAE - syn of Family: LASAEIDAE
- leptonoidea, Macoma leptonoidea W.H. Dall, 1895 - syn of: Macoma carlottensis J.J.F. Whiteaves, 1880 - (TELLINIDAE)
- Leptonotis, Genus Leptonotis T.A. Conrad, 1866 (HIPPONICIDAE)
- Leptonotoceras, Genus Leptonotoceras Spath, 1925 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- leptonotum, Eunema leptonotum W.J. Raymond, 1905 † - syn of: Cyclonema leptonotum (W.J. Raymond, 1905 †) - (LOPHOSPIRIDAE) (FOSSIL)
- leptonotum, Cyclonema leptonotum (W.J. Raymond, 1905 †) - (PLATYCERATIDAE) (FOSSIL)
- Leptonyx, syn of: Genus Homalopoma P.P. Carpenter, 1864 (COLLONIIDAE)
- Leptopartula, Subgenus Partula (Leptopartula) H.A. Pilsbry, 1909 (PARTULIDAE)
- Leptopeas, Subgenus Lamellaxis (Leptopeas) F.C. Baker, 1927 (SUBULINIDAE)
- Leptopecten, Genus Leptopecten A.E. Verrill, 1897 (PECTINIDAE)
- leptophyllus, Ammonites leptophyllus C.T. Simpson, 1855 † - syn of: Pseudolioceras lythense (A.T. Young & Bird, 1828 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- leptophyma, Calliostoma leptophyma P. Dautzenberg & H. Fischer, 1896 - (CALLIOSTOMATIDAE)
- Leptopisthosiphon, syn of: Genus Opisthosiphon W.H. Dall, 1905 (POMATIIDAE)
- Leptoplax, Genus Leptoplax P.P. Carpenter in W.H. Dall, 1882 (ACANTHOCHITONIDAE)
- leptopleura, Maoritomella leptopleura R.N. Kilburn, 1986 - (BORSONIIDAE)
- leptopleura, Chesacardium leptopleura (T.A. Conrad, 1841 †) - (CARDIIDAE) (FOSSIL)
- Leptopleura, syn of: Genus Ischnochiton J.E. Gray, 1847 (ISCHNOCHITONIDAE)
- Leptopoma, Genus Leptopoma L. Pfeiffer, 1847 (CYCLOPHORIDAE)
- leptopomoides, Craspedopoma leptopomoides (A.E. Reuss, 1868 †) - (CRASPEDOPOMATIDAE) (FOSSIL)
- Leptopomoides, Genus Leptopomoides G. Nevill, 1878 (CYCLOPHORIDAE)
- leptopomopsis, Ganesella leptopomopsis (P. Dautzenberg & H. Fischer, 1908) - (CAMAENIDAE)
- Leptoptygma, Genus Leptoptygma Knight , 1936 † (SOLENISCIDAE) (FOSSIL)
- leptopus, Dendrodoris leptopus C.G. Ehrenberg, 1831 - (DENDRODORIDIDAE)
- leptopus, Marginella leptopus Carriere, 1880 - syn of: Glabella adansoni (L.C. Kiener, 1834) - (MARGINELLIDAE)
- Leptopyrgus, Genus Leptopyrgus M. Haase, 2008 (TATEIDAE)
- leptorhyncha, Umbilia leptorhyncha (F. McCoy, 1877 †) - (CYPRAEIDAE) (FOSSIL)
- leptorhyncha, Ledella leptorhyncha (R. Tate, 1886 †) - (NUCULANIDAE) (FOSSIL)
- leptorhynchus, Fusinus leptorhynchus (C.M. Tapparone-Canefri, 1875) - (FASCIOLARIIDAE)
- leptorhyreus, Fusinus leptorhyreus (C.M. Tapparone-Canefri, 1875) - syn of: Fusinus leptorhynchus (C.M. Tapparone-Canefri, 1875) - (FASCIOLARIIDAE)
- Leptorima, Genus Leptorima Perner, 1907 † (MURCHISONIIDAE) (FOSSIL)
- leptorinum, Laevicardium leptorinum D.T. Dockery, 1982 † - (CARDIIDAE) (FOSSIL)
- leptos, Gemixystus leptos (R. Houart, 1995) - (MURICIDAE)
- Leptoscapha, Genus Leptoscapha P. Fischer, 1883 † (VOLUTIDAE) (FOSSIL)
- leptosceles, Dentalium leptosceles R.B. Watson, 1879 - syn of: Laevidentalium leptosceles (R.B. Watson, 1879) - (DENTALIIDAE)
- leptosceles, Laevidentalium leptosceles (R.B. Watson, 1879) - (LAEVIDENTALIIDAE)
- Leptosiphon, syn of: Genus Polymesoda C.S. Rafinesque, 1820 (CYRENIDAE)
- leptoskeles, Cumia leptoskeles R. Tate, 1888 † - (COLUBRARIIDAE) (FOSSIL)
- leptoskeles, Dentalium leptoskeles R.B. Watson, 1879 - syn of: Laevidentalium leptosceles (R.B. Watson, 1879) - (DENTALIIDAE)
- Leptosolen, Genus Leptosolen Conrad, 1865 † (PHARIDAE) (FOSSIL)
- leptosoma, Fusiguraleus leptosoma (F.W. Hutton, 1885 †) - (MANGELIIDAE) (FOSSIL)
- Leptospatha, syn of: Subgenus Aspatharia (Chambardia) G. Servain, 1890 (IRIDINIDAE)
- Leptosphinctes, Genus Leptosphinctes Pavia, 1983 † (PERISPHINCTIDAE) (FOSSIL)
- leptospira, Maitua leptospira C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- leptospira, Tornatellides leptospira C.M. Cooke & H.A. Pilsbry, 1915 - (ACHATINELLIDAE)
- leptospira, Abida leptospira C.A. Westerlund, 1887 - syn of: Abida attenuata (P. Fagot, 1886) - (CHONDRINIDAE)
- leptospira, Atractophaedusa rhopaloides leptospira (O.F. von Möllendorff, 1901) - (CLAUSILIIDAE)
- leptospira, Cincinnatia leptospira F.G. Thompson, 2000 - (HYDROBIIDAE)
- leptospira, Nassa leptospira A. Adams, 1852 - syn of: Nassarius bellulus (A. Adams, 1852) - (NASSARIIDAE)
- Leptospira, syn of: Genus Macroceramus L. Guilding, 1828 (UROCOPTIDAE)
- Leptospisula, Genus Leptospisula W.H. Dall, 1895 (MACTRIDAE)
- Leptostega, Genus Leptostega Geyer , 1986 † (HELCIONELLIDAE) (FOSSIL)
- Leptostictea, Subgenus Ochtephila (Leptostictea) G. Mandahl-Barth, 1950 (HYGROMIIDAE)
- leptosticteus, Leptostictea leptosticteus R.T. Lowe, 1852 - syn of: Leptostictea leptostictus (R.T. Lowe, 1852) - (HYGROMIIDAE)
- leptostictus, Helix leptostictus R.T. Lowe, 1831 - (HELICIDAE)
- leptostictus, Leptostictea leptostictus (R.T. Lowe, 1852) - (HYGROMIIDAE)
- leptostictus micromphalus, Leptostictea leptostictus micromphalus (R.T. Lowe, 1852) - (HYGROMIIDAE)
- leptostoma, Clausilia pumila leptostoma A. Schmidt, 1856 - (CLAUSILIIDAE)
- leptostoma, Eulima leptostoma E.A. Smith, 1910 - (EULIMIDAE)
- leptostraca, Boninena leptostraca (P.B. Schmacker & O. Böttger, 1891) - (ENIDAE)
- Leptostrigites, Genus Leptostrigites Buckman, 1924 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- leptostyla, Leptaxis leptostyla W.L.H. Dohrn, 1869 - syn of: Leptaxis bollei (J.A. Albers, 1854) - (HYGROMIIDAE)
- Leptosurcula, Subgenus Turricula (Leptosurcula) T.L. Casey, 1904 (CLAVATULIDAE)
- leptotera, Austrodiscus leptotera S. Moricand, 1846 † - syn of: Zilchogyra pleurophora (S. Moricand, 1846 †) - (CHAROPIDAE) (FOSSIL)
- leptotera, Trochogyra leptotera (A. de Rochebrune & J.F. Mabille, 1882) - (HELICODISCIDAE)
- leptotesta, Liparophaedusa leptotesta H. Nordsieck, 2012 - (CLAUSILIIDAE)
- Leptotetragonites, syn of: Genus Protetragonites Hyatt , 1900 † (LYTOCERATIDAE) (FOSSIL)
- Leptoteuthis, syn of: Genus Chiroteuthis D'Orbigny, 1841 (CHIROTEUTHIDAE)
- leptothali, Veronicella leptothali F. Baker, 1935 - syn of: Leidyula dissimilis (T.D.A. Cockerell, 1892) - (VERONICELLIDAE)
- LEPTOTHEUTHIDAE Naef, 1921 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-LOLIGOSEPIIDA [Order]) (FOSSIL)
- Leptotheuthis, Genus Leptotheuthis Meyer, 1834 (LEPTOTHEUTHIDAE) (FOSSIL)
- Leptothyra, Genus Leptothyra W.H. Pease, 1869 (COLLONIIDAE)
- Leptothyropsis, syn of: Genus Cantrainea J.G. Jeffreys, 1883 (COLLONIIDAE)
- Leptotrigonia, Genus Leptotrigonia Saveliev, 1958 † (MYOPHORELLIDAE) (FOSSIL)
- Leptotrophon, Genus Leptotrophon R. Houart, 1995 (MURICIDAE)
- leptotropis, Helicina leptotropis A.J. Wagner, 1910 - syn of: Helicina leptrotopis A.J. Wagner, 1910 - (HELICINIDAE)
- Leptoxis, Genus Leptoxis C.S. Rafinesque, 1819 (PLEUROCERIDAE)
- leptozona, Eulima leptozona P. Dautzenberg & H. Fischer, 1896 - (EULIMIDAE)
- Leptozone, Genus Leptozone Perner, 1907 † (PLATYCERATIDAE) (FOSSIL)
- Leptozyga, Subgenus Palaeostylus (Leptozyga) Knight, 1930 † (PALAEOSTYLIDAE) (FOSSIL)
- leptrotopis, Helicina leptrotopis A.J. Wagner, 1910 - (HELICINIDAE)
- leptum, Tropaeum leptum (Etheridge, 1909 †) - (ANCYLOCERATIDAE) (FOSSIL)
- leptum, Leptaleoceras leptum Buckman, 1918 † - (HILDOCERATIDAE) (FOSSIL)
- Leptum, syn of: Genus Lepton W.H. Turton, 1822 (LASAEIDAE)
- leptum, Leptodactylites leptum Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- leptum, Campeloma leptum N.T. Mattox, 1940 - (VIVIPARIDAE)
- leptura, Enoploteuthis leptura (W.E. Leach, 1817) - (ENOPLOTEUTHIDAE)
- leptura, Loligo leptura W.E. Leach, 1817 - syn of: Enoploteuthis leptura (W.E. Leach, 1817) - (LOLIGINIDAE)
- leptura magnoceani, Enoploteuthis leptura magnoceani K.N. Nesis, 1982 - syn of: Enoploteuthis magnoceani K.N. Nesis, 1982 - (ENOPLOTEUTHIDAE)
- leptus, Crioceras leptus Etheridge, 1909 † - syn of: Tropaeum leptum (Etheridge, 1909 †) - (CRIOCERATITIDAE) (FOSSIL)
- leptus, Hipponix leptus L.R.L. Simone, 2002 - (HIPPONICIDAE)
- leptus, Callihoplites leptus (Seeley, 1865 †) - (HOPLITIDAE) (FOSSIL)
- leptus, Leptarius leptus W.P. Woodring, 1964 † - (NASSARIIDAE) (FOSSIL)
- leptus, Leptosphinctes leptus (Buckman, 1920 †) - (PERISPHINCTIDAE) (FOSSIL)
- leptus, Charadreon leptus W.P. Woodring, 1973 † - (PSEUDOMELANIIDAE) (FOSSIL)
- leptus, Vaughanites leptus W.P. Woodring, 1928 - (PYRAMIMITRIDAE)
- leptus, Irdanites leptus (Ruan, 1981 †) - (TEICHERTICERATIDAE) (FOSSIL)
- leptus, Microceramus leptus C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- leptus panamensis, Hipponix leptus panamensis C.B. Adams, 1852 - syn of: Hipponix panamensis C.B. Adams, 1852 - (HIPPONICIDAE)
- lepus, Aplysia lepus R.A. Philippi, 1844 - (APLYSIIDAE)
- lepus, Dolabella lepus A. Risso, 1826 - syn of: Aplysia depilans J.F. Gmelin, 1791 - (APLYSIIDAE)
- lepus, Terebrifusus lepus A.A. Olsson, 1930 † - (STREPSIDURIDAE) (FOSSIL)
- Lepyrium, Genus Lepyrium H.A. Pilsbry & A.A. Olsson, 1951 (LITHOGLYPHIDAE)
aaa
abx
ack
acy
adn
aer
afs
ajd
alc
alj
alu
amc
ams
and
anh
anp
anu
apl
arb
ard
arh
ars
asr
atl
atu
aus
aut
bab
baj
bao
bas
baw
bem
bes
bid
bim
bit
bli
bom
bos
bov
bre
bri
bry
bum
bys
caa
cak
cam
cao
cas
cau
cem
ces
che
chk
chy
cio
cle
cob
coh
com
con
coo
cos
cot
cre
cri
cru
cud
cuo
cuy
cym
daa
dam
dav
ded
dem
deo
det
dib
dih
dir
dit
dom
dos
duc
duq
eag
ecr
egg
elf
elp
enh
eov
erf
erz
eud
eus
exb
exl
exy
faa
fan
fat
fes
fim
fle
flu
fos
fre
fuf
fur
fut
gaa
gam
gav
geo
gie
gis
gle
glu
goo
gre
gru
gug
guz
haa
ham
has
heb
hem
hes
hif
his
hom
hou
hun
hye
iac
ilm
imt
ind
inf
ing
int
inu
irm
isp
jaa
jao
jaw
joi
juk
kaa
kao
kaz
kes
kio
koc
kot
kuk
laa
lad
laf
lan
las
lau
lec
leo
leq
lew
lim
lio
liu
loo
lub
lun
luv
maa
mad
mah
mam
mao
mas
mav
mee
mem
mes
mey
mid
min
mio
mit
moe
moo
mos
mum
mut
nab
nao
nav
nel
neq
nex
nih
niu
noe
nou
nue
oaf
obn
obu
oci
oke
olk
oos
orc
oro
osu
ove
paa
paf
pam
paq
pas
pau
pay
pem
pes
pfi
phl
pid
pio
ple
plo
pom
pos
pre
pro
pru
psi
pul
pum
pup
put
pys
qag
qub
rab
rah
ras
red
reh
reu
rhu
rin
roc
rot
rox
rue
ruh
ryd
saa
sai
san
sao
sav
sce
sci
scy
sem
sen
ses
shl
sih
sin
sio
smo
som
soy
sph
spj
sra
stg
sts
suc
sum
suv
szo
tab
tal
taq
tay
ten
teo
tes
tha
thl
tif
toc
tos
tre
trl
try
tuc
tus
uac
ume
uni
urd
vaa
vap
vas
vep
ves
vid
vip
vis
vob
vup
waa
wam
weg
who
wom
xac
yaa
yot
zaa
zem
zoo
|