- Lasaea, Genus Lasaea T. Brown, 1827 (LASAEIDAE)
- LASAEIDAE Gray, 1842 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-IMPARIDENTIA [Superorder]-VENERIDA [Order]-GALEOMMATOIDEA [Superfamily)
- Lasaeina, Genus Lasaeina Cossmann, 1910 † (GALEOMMATIDAE) (FOSSIL)
- Lasaeokellya, Genus Lasaeokellya Cossmann, 1912 † (KELLIIDAE) (FOSSIL)
- Lasaeoneaera, Genus Lasaeoneaera A.E.M. Cossmann, 1913 (MONTACUTIDAE)
- lasalleanus, Dryptus lasalleanus F. Haas, 1955 - (AMPHIBULIMIDAE)
- lasallei, Abida lasallei É.A.A. Locard, 1894 - syn of: Abida secale (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- lasallei, Eratoidea lasallei (F.F. Talavera & D. Princz, 1985) - (MARGINELLIDAE)
- lasallei, Marginella lasallei F.F. Talavera & D. Princz, 1985 - syn of: Eratoidea lasallei (F.F. Talavera & D. Princz, 1985) - (MARGINELLIDAE)
- lasallense, Bassleroceras lasallense Ulrich & al., 1944 † - (BASSLEROCERATIDAE) (FOSSIL)
- lasallense, Goniasma lasallense (A.H. Worthen, 1890 †) - (GONIASMATIDAE) (FOSSIL)
- lasallensis, Posidonomya lasallensis Miller & Gurley 1896 † - syn of: Annuliconcha interlineata (F.B. Meek & A.H. Worthen, 1860 †) - (ANNULICONCHIDAE) (FOSSIL)
- lasallensis, Murchisonia lasallensis A.H. Worthen, 1890 † - syn of: Goniasma lasallense (A.H. Worthen, 1890 †) - (MURCHISONIIDAE) (FOSSIL)
- lasalliana, Ischnochitonika lasalliana C.J. Franz & R.C. Bullock, 1990 - syn of: Stenoplax fallax (P.P. Carpenter in H.A. Pilsbry, 1892) - (ISCHNOCHITONIDAE)
- lasallii, Obba lasallii (J.F.T. Eydoux, 1838) - (CAMAENIDAE)
- laschmaensis, Stegocoelia laschmaensis Mazaev, 2001 † - (GONIASMATIDAE) (FOSSIL)
- Laschmaspira, Genus Laschmaspira Mazaev , 2003 † (ORTHONEMIDAE) (FOSSIL)
- laschmensis, Euconodoma laschmensis Mazaev, 1997 † - (MICRODOMATIDAE) (FOSSIL)
- lascrucensis, Phidiana lascrucensis H.W. Bertsch & A. Ferreira, 1974 - (FACELINIDAE)
- lascrusesi, Leptochiton lascrusesi B.I. Sirenko, 2015 - (LEPTOCHITONIDAE)
- lasdlensis, Poeniella lasdlensis W.J. Clench & C.G. Aguayo, 1937 - (HELICINIDAE)
- Lasea, syn of: Genus Lasaea T. Brown, 1827 (LASAEIDAE)
- LASEIDAE - syn of Family: LASAEIDAE
- Laseina, Genus Laseina Cossmann, 1912 † (GALEOMMATIDAE) (FOSSIL)
- Laseronella, syn of: Genus Murchisonella O.A.L. Mörch, 1875 (MURCHISONELLIDAE)
- laseroni, Pisinna laseroni W.F. Ponder & E.K. Yoo, 1976 - (ANABATHRIDAE)
- laseroni, Calopia laseroni W.F. Ponder, 1999 - (CALOPIIDAE)
- laseroni, Trigonostoma laseroni (T. Iredale, 1936) - (CANCELLARIIDAE)
- laseroni, Joculator laseroni M. Jay & J. Drivas, 2002 - (CERITHIOPSIDAE)
- laseroni, Conocardium laseroni E.M. Fletcher, 1943 † - syn of: Hippocardia mundula (E.M. Fletcher, 1943 †) - (CONOCARDIIDAE) (FOSSIL)
- laseroni, Dentalium laseroni P.H. Colman, 1958 - syn of: Laevidentalium lubricatum (G.B. II Sowerby, 1860) - (DENTALIIDAE)
- laseroni, Melanella laseroni C. Hedley, 1916 - syn of: Melanella solitaria (E.A. Smith, 1915) - (EULIMIDAE)
- laseroni, Hippocardia laseroni E.M. Fletcher, 1943 † - syn of: Hippocardia mundula (E.M. Fletcher, 1943 †) - (HIPPOCARDIIDAE) (FOSSIL)
- laseroni, Georissa laseroni T. Iredale, 1937 - (HYDROCENIDAE)
- laseroni, Protoginella laseroni F. Boyer, 2001 - (MARGINELLIDAE)
- laseroni, Exesilla laseroni E. Robba, S.I. Di Geronimo, N. Chaimanee & al., 2004 - (PYRAMIDELLIDAE)
- laseroni, Rissolina laseroni C.K. Chang & W.L. Wu, 2004 - syn of: Schwartziella laseroni (C.K. Chang & W.L. Wu, 2004) - (RISSOINIDAE)
- laseroni, Zalipais laseroni J.A. Kershaw, 1955 - syn of: Zalipais inscripta (R. Tate, 1899) - (SKENEIDAE)
- laseroni, Lyria laseroni (T. Iredale, 1937) - (VOLUTIDAE)
- laseroni, Schwartziella laseroni (C.K. Chang & W.L. Wu, 2004) - (ZEBINIDAE)
- Laseronia, syn of: Genus Rissoina D'Orbigny, 1840 (RISSOINIDAE)
- laseronorum, Pseudotorinia laseronorum (T. Iredale, 1936) - (ARCHITECTONICIDAE)
- Laseronula, syn of: Genus Badepigrus T. Iredale, 1955 (ANABATHRIDAE)
- lasfresnayanum, Hoplitoplacenticeras lasfresnayanum d'Orbigny, 1841 † - syn of: Hoplites obtusenodosa O. von Retowski, 1893 † - (PLACENTICERATIDAE) (FOSSIL)
- lasharii, Athleta lasharii D. Merle & al., 2014 † - (VOLUTIDAE) (FOSSIL)
- lashense, Ptychoceras lashense Sharikadze, 1975 † - (PTYCHOCERATIDAE) (FOSSIL)
- lashensis, Argvethites lashensis Rouchadze, 1933 † - (HETEROCERATIDAE) (FOSSIL)
- lashensis communis, Argvethites lashensis communis Rouchadze, 1933 † - (HETEROCERATIDAE) (FOSSIL)
- lasia, Aegista lasia H.A. Pilsbry & Y. Hirase, 1908 - (BRADYBAENIDAE)
- lasia, Phreagena lasia W.P. Woodring, 1938 † - (VESICOMYIDAE) (FOSSIL)
- Lasica, Subgenus Kazancia (Lasica) E. Neubert 1995 (CLAUSILIIDAE)
- lasistana, Circassina lasistana B. Hausdorf, 2001 - (HYGROMIIDAE)
- lasithiensis, Xerocrassa lasithiensis B. Hausdorf & J. Sauer, 2009 - (HYGROMIIDAE)
- lasithionensis, Deroceras lasithionensis A. Wiktor, K. Vardinoyannis & M. Mylonas, 1994 - (AGRIOLIMACIDAE)
- lasithionensis polylobatum, Deroceras lasithionensis polylobatum A. Wiktor, K. Vardinoyannis & M. Mylonas, 1994 - (AGRIOLIMACIDAE)
- lasitiotica, Albinaria corrugata lasitiotica A.J. Wagner, 1924 - (CLAUSILIIDAE)
- lasius, Trophonopsis lasius W.H. Dall, 1919 - syn of: Scabrotrophon maltzani (W. Kobelt, 1878) - (MURICIDAE)
- laskarevi, Pyrgula laskarevi P.S. Pavlovic, 1927 † - (HYDROBIIDAE) (FOSSIL)
- laskarevi, Anisus laskarevi Miloševic, 1976 † - (PLANORBIDAE) (FOSSIL)
- laskarevi, Lapeirousia laskarevi Milovanovic, 1938 † - (RADIOLITIDAE) (FOSSIL)
- Laskarevia, Genus Laskarevia Milovanovic, 1984 † (RADIOLITIDAE) (FOSSIL)
- Laskeya, syn of: Genus Eumetula K.H.J. Thiele, 1912 (NEWTONIELLIDAE)
- Laskeya, syn of: Genus Eumetula K.H.J. Thiele, 1912 (NEWTONIELLIDAE)
- laskeyi, Trichotropis laskeyi W. Macgillivray, 1843 - syn of: Ariadnaria borealis (W.J. Broderip & G.B. I Sowerby, 1829) - (CAPULIDAE)
- lasmampsis, Sphaerium lasmampsis C.S. Rafinesque, 1820 - syn of: Sphaerium simile T. Say, 1817 - (SPHAERIIDAE)
- lasmanpsis, Lucinella lasmanpsis J.B.P.A. Lamarck, 1835 - syn of: Sphaerium simile T. Say, 1817 - (LUCINIDAE)
- Lasmigona, Genus Lasmigona C.S. Rafinesque, 1831 (UNIONIDAE)
- lasmodon, Ventridens lasmodon (B. Phillips, 1841) - (GASTRODONTIDAE)
- Lasmonos, syn of: Genus Leptodea C.S. Rafinesque, 1820 (UNIONIDAE)
- lasnamaense, Cameroceras lasnamaense Balaschov † - (ENDOCERATIDAE) (FOSSIL)
- lassa, Neothais lassa J. Marwick, 1948 † - (MURICIDAE) (FOSSIL)
- lassaignei, Ocinebrina lassaignei (B. de Basterot, 1825 †) - (MURICIDAE) (FOSSIL)
- lassaignei, Murex lassaignei G.P. Deshayes, 1836 - syn of: Ocinebrina edwardsi (B.C.M. Payraudeau, 1826) - (MURICIDAE)
- lasseni, Pyrgulopsis lasseni R. Hershler, T.J. Frest, H.P. Liu, & E.J. Johannes, 2003 - (HYDROBIIDAE)
- lassevillei, Cysticopsis lassevillei (J. Gundlach in L. Pfeiffer, 1861) - (CEPOLIDAE)
- lassula, Agladrillia lassula P.O. Jung, 1969 - (DRILLIIDAE)
- lassulus, Inquisitor lassulus C. Hedley, 1922 - (PSEUDOMELATOMIDAE)
- lassum, Harpoceras lassum Buckman, 1927 † - (HILDOCERATIDAE) (FOSSIL)
- lassus, Zeatrophon lassus (J. Marwick, 1928 †) - (MURICIDAE) (FOSSIL)
- lasswitzi, Mortoniceras lasswitzi A.T. Young † - (BRANCOCERATIDAE) (FOSSIL)
- Lastena, syn of: Genus Hemistena C.S. Rafinesque, 1820 (UNIONIDAE)
- lastica, Mangelia lastica W.H. Dall, 1927 - (MANGELIIDAE)
- lastisulcata, Euloxa lastisulcata (T.A. Conrad, 1839 †) - (EULOXIDAE) (FOSSIL)
- lastra, Melanella lastra P. Bartsch, 1917 - (EULIMIDAE)
- lastra, Odostomia lastra W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- lastroensis, Mortoniceras lastroensis C.J. Maury, 1936 † - (BRANCOCERATIDAE) (FOSSIL)
- lastroensis, Fasciolaria lastroensis C.J. Maury, 1936 † - (FASCIOLARIIDAE) (FOSSIL)
- lastroensis, Neithea quadricostata lastroensis C.J. Maury, 1936 † - (PECTINIDAE) (FOSSIL)
- laswelli, Protocycloceras laswelli Hook & Flower, 1977 † - (PROTOCYCLOCERATIDAE) (FOSSIL)
- laswelli, Anrangeroceras laswelli (Hook & Flower, 1977 †) - (RANGEROCERATIDAE) (FOSSIL)
- lata, Choneplax lata (L. Guilding, 1829) - (ACANTHOCHITONIDAE)
- lata, Aclis lata W.H. Dall, 1889 - syn of: Umbilibalcis lata (W.H. Dall, 1889) - (ACLIDIDAE)
- lata, Aclis lata Auct. non W.H. Dall, 1889 - syn of: Eulima hyalina R.B. Watson, 1883 - (ACLIDIDAE)
- lata, Acteocina lata Á. Valdés, 2008 - (ACTEOCINIDAE)
- lata, Tornatellaea lata (T.A. Conrad, 1834 †) - (ACTEONIDAE) (FOSSIL)
- lata, Pupa lata C.B. Adams, 1849 - syn of: Urocoptis sanguinea L. Pfeiffer, 1845 - (ACTEONIDAE)
- lata, Mytilarca lata J.W. Hall, 1883 † - (AMBONYCHIIDAE) (FOSSIL)
- lata, Arca lata Münster, 1841 † - (ARCIDAE) (FOSSIL)
- lata, Izumonauta lata Kobayashi, 1954 † - (ARGONAUTIDAE) (FOSSIL)
- lata, Colus curtus lata F.W. Harmer † - (BUCCINIDAE) (FOSSIL)
- lata, Iphinoe unicarinata lata T. Habe, 1961 - (CAPULIDAE)
- lata, Papyridea lata (I. von Born, 1778) - (CARDIIDAE)
- lata, Tubercliopsis lata C.F. Laseron, 1956 - (CERITHIOPSIDAE)
- lata, Cerithiopsis lata (C.B. Adams, 1850) - (CERITHIOPSIDAE)
- lata, Chromodoris lata J.J. Risbec, 1928 - (CHROMODORIDIDAE)
- lata, Etrema lata (E.A. Smith, 1888) - (CLATHURELLIDAE)
- lata, Bryopa lata (W.J. Broderip, 1834) - (CLAVAGELLIDAE)
- lata, Clavagella lata W.J. Broderip, 1834 - syn of: Bryopa lata (W.J. Broderip, 1834) - (CLAVAGELLIDAE)
- lata, Coccopigya lata A. Warén, 1996 - (COCCULINIDAE)
- lata, Crassinella lata G.W. Nowell-Usticke, 1969 - (CRASSATELLIDAE)
- lata, Neaera lata R.B. Hinds, 1843 - syn of: Theora lata (R.B. Hinds, 1843) - (CUSPIDARIIDAE)
- lata, Heikea lata Isberg, 1934 † - (CYRTODONTIDAE) (FOSSIL)
- lata, Warburgia lata Isberg, 1934 † - (CYRTODONTIDAE) (FOSSIL)
- lata, Cyrtodontula lata (C.C. Stewart, 1920 †) - (CYRTODONTIDAE) (FOSSIL)
- lata, Deltopecten lata E.M. Fletcher, 1929 † - syn of: Etheripecten latus (E.M. Fletcher, 1929 †) - (DELTOPECTINIDAE) (FOSSIL)
- lata, Puzosia lata Seitz, 1931 † - (DESMOCERATIDAE) (FOSSIL)
- lata, Duvalia lata (H.M.D. de Blainville, 1827 †) - (DUVALIIDAE) (FOSSIL)
- lata, Umbilibalcis lata (W.H. Dall, 1889) - (EULIMIDAE)
- lata, Sticteulima lata P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- lata, Parvioris lata C.F. Laseron, 1955 - syn of: Parvioris subobtusa (C.F. Laseron, 1955) - (EULIMIDAE)
- lata, Hemiaclis lata W.H. Dall, 1889 - syn of: Umbilibalcis lata (W.H. Dall, 1889) - (EULIMIDAE)
- lata, Warthia lata L. Waagen, 1880 † - (EUPHEMITIDAE) (FOSSIL)
- lata, Emarginula lata J.R.C. Quoy & J.P. Gaimard, 1834 - (FISSURELLIDAE)
- lata, Fissurella lata G.B. I Sowerby, 1834 - syn of: Fissurella picta lata G.B. I Sowerby, 1835 - (FISSURELLIDAE)
- lata, Fissurella picta lata G.B. I Sowerby, 1835 - (FISSURELLIDAE)
- lata, Kalloclymenia lata Bogoslovsky, 1981 † - (GONIOCLYMENIIDAE) (FOSSIL)
- lata, Igorella lata C. Chen & al., 1981 † - (HELCIONELLIDAE) (FOSSIL)
- lata, Dumortieria lata Buckman † - (HILDOCERATIDAE) (FOSSIL)
- lata, Pyrgulopsis lata R. Hershler, 1998 - (HYDROBIIDAE)
- lata, Anatimya lata (R.P. Whitfield, 1885 †) - (LATERNULIDAE) (FOSSIL)
- lata, Limea lata W.H. Dall, 1886 - (LIMIDAE)
- lata, Lima lata J.P.L. Pelseneer, 1911 - syn of: Lima tomlini B. Prashad, 1932 - (LIMIDAE)
- lata, Lima lata E.A. Smith, 1885 - syn of: Lima marioni P. Fischer, 1882 - (LIMIDAE)
- lata, Pectunculina lata (E.A. Smith, 1885) - (LIMOPSIDAE)
- lata, Coecella lata G.P. Deshayes, 1855 - syn of: Coecella chinensis (G.P. Deshayes, 1855) - (MESODESMATIDAE)
- lata, Mesodesma lata G.P. Deshayes, 1843 - syn of: Paphies donacina (L. Spengler, 1793) - (MESODESMATIDAE)
- lata, Modiomorpha lata F.B. Meek, 1877 † - (MODIOMORPHIDAE) (FOSSIL)
- lata, Mendelia lata Frýda, 1998 † - (MURCHISONIIDAE) (FOSSIL)
- lata, Arribazona lata (Netchaev, 1894 †) - (MURCHISONIIDAE) (FOSSIL)
- lata, Mancinella lata (J.T. Kuroda, 1931) - (MURICIDAE)
- lata, Gervillia lata Phillips, 1829 † - (MYALINIDAE) (FOSSIL)
- lata, Mya lata J. de C. Sowerby, 1815 - syn of: Mya arenaria C. Linnaeus, 1758 - (MYIDAE)
- lata, Keepingia lata (G.P. Deshayes, 1865 †) - (NASSARIIDAE) (FOSSIL)
- lata, Cerithiopsida lata (A.N. Golikov & V.V. Gulbin, 1978) - (NEWTONIELLIDAE)
- lata, Nuculana lata J.G. Jeffreys, 1876 - syn of: Yoldiella jeffreysi (J.G. Hidalgo, 1877) - (NUCULANIDAE)
- lata, Nucula lata R.B. Hinds, 1843 - syn of: Yoldia lata (R.B. Hinds, 1843) - (NUCULIDAE)
- lata, Scaphis lata (A. Labbé, 1934) - (ONCHIDIIDAE)
- lata, Platevindex lata H.P. Plate, 1893 - syn of: Platevindex granulosum (R.P. Lesson, 1826) - (ONCHIDIIDAE)
- lata, Oncis lata H.P. Plate, 1893 - syn of: Platevindex granulosum (R.P. Lesson, 1826) - (ONCHIDIIDAE)
- lata, Pandorella lata W.H. Dall, 1903 † - (PANDORIDAE) (FOSSIL)
- lata, Eirlysia lata Mazaev, 2015 † - (PHYMATOPLEURIDAE) (FOSSIL)
- lata, Pinna lata F.W. Hutton, 1873 - syn of: Atrina zelandica (J.E. Gray, 1835) - (PINNIDAE)
- lata, Uptonia lata (F.A. von Quenstedt, 1845 †) - (POLYMORPHITIDAE) (FOSSIL)
- lata, Poromya lata E. Forbes, 1846 † - (POROMYIDAE) (FOSSIL)
- lata, Gari lata (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- lata, Gobraeus lata (G.P. Deshayes, 1855) - syn of: Gari lata (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- lata, Pteria lata Gray, 1845 - (PTERIIDAE)
- lata, Pterotheca lata Teichert, 1930 † - (PTEROTHECIDAE) (FOSSIL)
- lata, Syrnola lata C.F. Laseron, 1951 - (PYRAMIDELLIDAE)
- lata, Parthenina interstincta lata J.G. Jeffreys & B.A. Marshall - (PYRAMIDELLIDAE)
- lata, Reineckeia lata Loczy, 1915 † - (REINECKEIIDAE) (FOSSIL)
- lata, Retusa lata E.M. Chaban & A. Chernyshev, 2013 - (RETUSIDAE)
- lata, Ringicula lata (T.A. Conrad, 1865 †) - (RINGICULIDAE) (FOSSIL)
- lata, Obtusella lata E. Rolán & F. Rubio, 1999 - (RISSOIDAE)
- lata, Rissoina lata F. Traub, 1981 † - (RISSOINIDAE) (FOSSIL)
- lata, Wanganella lata (C.F. Laseron, 1954) - (SEGUENZIOIDEA (UNASSIGNED))
- lata, Conicella lata C.F. Laseron, 1954 - syn of: Cirsonella lata (C.F. Laseron, 1954) - (SEGUENZIOIDEA (unassigned))
- lata, Theora lata (R.B. Hinds, 1843) - (SEMELIDAE)
- lata, Semele lata K.J. Bush, 1885 - syn of: Semele bellastriata T.A. Conrad, 1837 - (SEMELIDAE)
- lata, Siphonaria macgillivrayi lata C. Vélain, 1877 - (SIPHONARIIDAE)
- lata, Cirsonella lata (C.F. Laseron, 1954) - (SKENEIDAE)
- lata, Kenzieana lata Liljedahl, 1989 † - syn of: Kenzieana cardiopsis (Barrande, 1881 †) - (SPANILIDAE) (FOSSIL)
- lata, Stenotheca lata Cobbold, 1935 † - (STENOTHECIDAE) (FOSSIL)
- lata, Obeliscus lata (J. Gundlach, 1905) - (SUBULINIDAE)
- lata, Tellina lata J.F. Gmelin, 1791 - syn of: Macoma calcarea (J.F. Gmelin, 1792) - (TELLINIDAE)
- lata, Tindaria lata A.E. Verrill & K.J. Bush, 1898 - (TINDARIIDAE)
- lata, Usedomella lata Grundel, 1998 † - (TOFANELLIDAE) (FOSSIL)
- lata, Parailsanella lata Parkhaev, 2001 † - (TRENELLIDAE) (FOSSIL)
- lata, Geratrigonia lata Kobayashi, 1954 † - (TRIGONIIDAE) (FOSSIL)
- lata, Trigonia costata lata J. Lycett † - (TRIGONIIDAE) (FOSSIL)
- lata, Pleurotoma lata E.A. Smith, 1888 - syn of: Etrema lata (E.A. Smith, 1888) - (TURRIDAE)
- lata, Hemistena lata C.S. Rafinesque, 1820 - (UNIONIDAE)
- lata, Cylindrella lata C.B. Adams, 1850 - syn of: Urocoptis producta (J. Gundlach) - (UROCOPTIDAE)
- lata, Petricola lata W.H. Dall, 1925 - syn of: Petricolaria pholadiformis (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- lata, Athleta lata (J. Marwick, 1926 †) - (VOLUTIDAE) (FOSSIL)
- lata, Yoldia lata (R.B. Hinds, 1843) - (YOLDIIDAE)
- lata, Yoldia lata J.A. Allen, A. Sanders & G. Hannah, 1995 - syn of: Yoldiella jeffreysi (J.G. Hidalgo, 1877) - (YOLDIIDAE)
- lata, Schwartziella lata C.F. Laseron, 1956 - (ZEBINIDAE)
- lata, Mirarissoina lata M.J. Faber & R.G. Moolenbeek, 2013 - (ZEBINIDAE)
- lata antonionis, Spirocoptis lata antonionis H.A. Pilsbry, 1902 - syn of: Urocoptis producta (J. Gundlach) - (UROCOPTIDAE)
- lata ischnostele, Spirocoptis lata ischnostele H.A. Pilsbry, 1902 - syn of: Urocoptis producta (J. Gundlach) - (UROCOPTIDAE)
- lata manchionealensis, Spirocoptis lata manchionealensis H.A. Pilsbry, 1902 - syn of: Urocoptis producta (J. Gundlach) - (UROCOPTIDAE)
- lata orion, Yoldia lata orion T. Iredale, 1939 - syn of: Yoldia lata (R.B. Hinds, 1843) - (YOLDIIDAE)
- latacosta, Turbonilla latacosta (C.F. Laseron, 1959) - (PYRAMIDELLIDAE)
- lataecosta, Aegoceras lataecosta (J. de C. Sowerby, 1827 †) - (LIPAROCERATIDAE) (FOSSIL)
- Lataginella, syn of: Genus Gibberula W.J. Swainson, 1840 (CYSTISCIDAE)
- lataguensis, Dyris lataguensis Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- lataguensis, Sheppardiconcha lataguensis Nuttall, 1990 † - (THIARIDAE) (FOSSIL)
- lataguensis, Aylacostoma lataguensis Nuttall, 1990 † - (THIARIDAE) (FOSSIL)
- latalamina, Notoplax latalamina R.K. Dell, 1956 - (ACANTHOCHITONIDAE)
- lataminuta, Turbonilla lataminuta A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- Latanarcestes, Genus Latanarcestes Schindewolf , 1933 † (LATANARCESTIDAE) (FOSSIL)
- LATANARCESTIDAE Korn, 2001 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AGONIATITIDA [Order]-AMIMAGONIATITOIDEA [Superfamily]) (FOSSIL)
- latangulatus, Pernopecten latangulatus Yin, 1983 † - (PERNOPECTINIDAE) (FOSSIL)
- latapertus, Euphemites latapertus Wang, 1980 † - (EUPHEMITIDAE) (FOSSIL)
- latasteana, Pseudamnicola latasteana A. Letourneux & J.R. Bourguignat, 1887 - (HYDROBIIDAE)
- latastei, Amphidoxa latastei C.M.F. Ancey, 1889 - (CHAROPIDAE)
- latastei, Xerocrassa latastei (A. Letourneux & J.R. Bourguignat, 1887) - (HYGROMIIDAE)
- latastei, Melanopsis latastei A. Letourneux & J.R. Bourguignat, 1887 - (MELANOPSIDAE)
- latastei, Melanopsis latastei J.R. Bourguignat - syn of: Melanopsis praemorsa (C. Linnaeus, 1758) - (MELANOPSIDAE)
- Latavia, Genus Latavia C.F. Laseron, 1951 (PYRAMIDELLIDAE)
- Lataxiena, Genus Lataxiena F.P. Jousseaume, 1833 (MURICIDAE)
- lataxiena, Lataxiena lataxiena F.P. Jousseaume, 1883 - syn of: Lataxiena fimbriata (R.B. Hinds, 1844) - (MURICIDAE)
- latazonalis, Lopochites latazonalis Z.X. Qian, 1977 † - (SIPHOGONUCHITIDAE) (FOSSIL)
- latchfordi, Physa parkeri latchfordi H.B. Baker, 1928 - (PHYSIDAE)
- latchfordi, Physella gyrina latchfordi (T. Say, 1821) - (PHYSIDAE)
- latchfordi, Pisidium latchfordi V. Sterki, 1916 - syn of: Pisidium nitidum L. Jenyns, 1832 - (SPHAERIIDAE)
- latchfordii, Archiphysa latchfordii (F.C. Baker, 1928) - (PHYSIDAE)
- latdorfensis, Pectunculina latdorfensis R. Janssen, 2015 † - (LIMOPSIDAE) (FOSSIL)
- latealata, Graciliala latealata (F. Riedel, 1932 †) - (APORRHAIDAE) (FOSSIL)
- lateaperta, Flammulina lateaperta R.K. Dell, 1955 - (CHAROPIDAE)
- lateaperta, Euspira lateaperta (J. Marwick, 1924 †) - (NATICIDAE) (FOSSIL)
- lateapertum, Trigonostoma geslini lateapertum M.A. Peyrot, 1925 † - (CANCELLARIIDAE) (FOSSIL)
- lateapicatus, Palaeostylus lateapicatus A. Nützel & Nakazawa, 2012 † - (PALAEOSTYLIDAE) (FOSSIL)
- latebasis, Insulivitrina latebasis A. Mousson, 1872 - syn of: Insulivitrina blauneri (R.J. Shuttleworth, 1852) - (VITRINIDAE)
- Latebranchia, syn of: Genus Policordia W.H. Dall, P. Bartsch & H.A. Rehder, 1938 (VERTICORDIIDAE)
- latebricola, Eatoniella latebricola W.F. Ponder, 1965 - (EATONIELLIDAE)
- latebricola, Mediterranea latebricola J.R. Bourguignat, 1856 - syn of: Mediterranea hydatina (E.A. Rossmässler, 1838) - (OXYCHILIDAE)
- latebricola, Glyphyalinia latebricola L.R. Hubricht, 1968 - (ZONITIDAE)
- latebrosa, Cypraeovula castanea latebrosa S. Swarts & W. Liltved in W. Liltved, 2000 - (CYPRAEIDAE)
- latebrosa, Murella scabriuscula latebrosa (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- latebrosa, Callucinella latebrosa (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- latebrosa, Charisma latebrosa (C. Hedley, 1907) - (TROCHIDAE)
- latebrus, Bostrycapulus latebrus R. Collin, 2005 - (CALYPTRAEIDAE)
- latecallosa, Euspira latecallosa E. Robba, Pedriali & E. Quaggiotto, 2016 † - (NATICIDAE) (FOSSIL)
- latecarinatus, Eubaculites latecarinatus Brunnschweiler, 1966 † - (BACULITIDAE) (FOSSIL)
- latecaudatus, Modiolus latecaudatus G.B. Pritchard, 1903 † - (MYTILIDAE) (FOSSIL)
- latecolumellaris, Scutalus latecolumellaris H.B. Preston, 1909 - (BULIMULIDAE)
- latecolumellaris, Naesiotellus latecolumellaris W.K. Weyrauch, 1967 - (BULIMULIDAE)
- latecolumellaris endospira, Scutalus latecolumellaris endospira H.A. Pilsbry, 1932 - (BULIMULIDAE)
- latecostata, Pyrostoma latecostata G.B. Adami, 1885 - syn of: Pareuthria plicatula K.H.J. Thiele, 1912 - (CLAUSILIIDAE)
- latecostata, Medora dalmatina latecostata H. Nordsieck, 1970 - (CLAUSILIIDAE)
- latecostata, Sumelia boniferae latecostata (H. Nordsieck, 1994) - (CLAUSILIIDAE)
- latecostata, Platyrhaphe latecostata (W. Kobelt, 1884) - (CYCLOPHORIDAE)
- latecostata, Epitonium latecostata H. Strebel, 1905 - syn of: Epitonium magellanicum (R.A. Philippi, 1845) - (EPITONIIDAE)
- latecostata, Lanzaia vjetrenicae latecostata H. Schütt, 1968 - (HYDROBIIDAE)
- latecostatus, Colchidites latecostatus Rouchadze, 1933 † - syn of: Martelites latecostatus (Rouchadze, 1933 †) - (ANCYLOCERATIDAE) (FOSSIL)
- latecostatus, Austrofusus latecostatus (H.H. Suter, 1917 †) - (BUCCINIDAE) (FOSSIL)
- latecostatus, Martelites latecostatus (Rouchadze, 1933 †) - (HETEROCERATIDAE) (FOSSIL)
- Latecphora, Subgenus Ecphora (Latecphora) E.J. Petuch, 1988 (MURICIDAE)
- latedisjuncta, Epitonium latedisjuncta M.E.A. de Boury, 1911 - syn of: Cycloscala revoluta (C. Hedley, 1899) - (EPITONIIDAE)
- latedisjuncta, Cycloscala latedisjuncta M.E.A. de Boury, 1911 - syn of: Cycloscala revoluta (C. Hedley, 1899) - (EPITONIIDAE)
- latedisjunctum, Epitonium latedisjunctum M.E.A. de Boury, 1911 - syn of: Cycloscala revoluta (C. Hedley, 1899) - (EPITONIIDAE)
- latefasciatum, Epitonium latefasciatum Sowerby, 1844 † - (EPITONIIDAE) (FOSSIL)
- latefundatus, Hoplitoides latefundatus Zaborski, 1987 † - (COILOPOCERATIDAE) (FOSSIL)
- lategruenwaldti, Plagiostomoceras lategruenwaldti Kröger, 2008 † - (SPHAERORTHOCERATIDAE) (FOSSIL)
- latelamellaris, Albinaria latelamellaris E. Neubert, A. Örstan & F.W. Welter-Schultes, 2000 - (CLAUSILIIDAE)
- latelirata, Dunkeria latelirata (L. de Folin, 1879) - (PYRAMIDELLIDAE)
- latemarginata, Fissurella latemarginata G.B. I Sowerby, 1834 - syn of: Fissurella latimarginata G.B. I Sowerby, 1835 - (FISSURELLIDAE)
- latemarginata, Anodontites latemarginata L.R.L. Simone, 2006 - syn of: Anodontites ferrarisii (A.V.M.D. D'Orbigny, 1835) - (MYCETOPODIDAE)
- latemarginata, Eulimella latemarginata E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- Latemaria, Genus Latemaria Wilckens, 1909 † (LIMIDAE) (FOSSIL)
- latens, Euphaedusa latens Hunyadi & Szekeres, 2016 - (CLAUSILIIDAE)
- latens, Alopia glauca latens (L. Pfeiffer, 1853) - (CLAUSILIIDAE)
- latens, Doris latens W. Stimpson, 1855 - (DORIDIDAE)
- latens, Holopea latens Öpik, 1953 † - (HOLOPEIDAE) (FOSSIL)
- latens, Spirorbula latens R.T. Lowe, 1852 - (HYGROMIIDAE)
- latens, Erycina latens G.P. Deshayes, 1858 † - (LASAEIDAE) (FOSSIL)
- latens, Parvilucina latens J.D. Taylor & Glover, 2016 - (LUCINIDAE)
- latens, Magilus latens L. Bozzetti, 2011 - (MURICIDAE)
- latens, Lamellaria latens (O.F. Müller, 1776) - (VELUTINIDAE)
- latensis, Trivia latensis F.A. Schilder, 1941 - syn of: Dolichupis producta (J.S. Gaskoin, 1836) - (TRIVIIDAE)
- Lateorbis, Subgenus Armigerus (Lateorbis) F.C. Baker, 1945 (PLANORBIDAE)
- latepatronus, Spyroceras latepatronus Kröger, 2008 † - (SPYROCERATIDAE) (FOSSIL)
- lateplicata, Propebela lateplicata (H. Strebel, 1905) - (MANGELIIDAE)
- lateplicata, Katosira lateplicata Klipstein, 1843 † - syn of: Camponaxis lateplicata (Klipstein, 1843 †) - (SETTSASSIIDAE) (FOSSIL)
- lateplicata, Camponaxis lateplicata (Klipstein, 1843 †) - (TOFANELLIDAE) (FOSSIL)
- lateplicatum, Cerithium lateplicatum Klipstein, 1843 † - syn of: Camponaxis lateplicata (Klipstein, 1843 †) - (CERITHIIDAE) (FOSSIL)
- lateralis, Addisonia lateralis E. Réquien, 1848 - syn of: Addisonia excentrica (N. Tiberi, 1855) - (ADDISONIIDAE)
- lateralis, Arca lateralis L.A. Reeve, 1844 - syn of: Sheldonella lateralis (L.A. Reeve, 1844) - (ARCIDAE)
- lateralis, Belemnites lateralis Phillips, 1835 † - (BELEMNITELLIDAE) (FOSSIL)
- lateralis, Bucaniella lateralis d'Eichwald, 1860 † - syn of: Kokenospira lateralis (d'Eichwald, 1860 †) - (BELLEROPHONTIDAE) (FOSSIL)
- lateralis, Kokenospira lateralis (d'Eichwald, 1860 †) - (BUCANIIDAE) (FOSSIL)
- lateralis, Cochlorina lateralis (K.T. Menke, 1828) - (BULIMULIDAE)
- lateralis, Cuna lateralis C. Hedley, 1902 - syn of: Cuna concentrica C. Hedley, 1902 - (CONDYLOCARDIIDAE)
- lateralis, Diplommatina lateralis H.A. Pilsbry & Y. Hirase, 1904 - (DIPLOMMATINIDAE)
- lateralis, Latia lateralis (A.A. Gould, 1852) - (LATIIDAE)
- lateralis, Mulinia lateralis (T. Say, 1822) - (MACTRIDAE)
- lateralis, Musculus lateralis (T. Say, 1822) - (MYTILIDAE)
- lateralis, Mytilus lateralis T. Say, 1822 - syn of: Musculus lateralis (T. Say, 1822) - (MYTILIDAE)
- lateralis, Sheldonella lateralis (L.A. Reeve, 1844) - (NOETIIDAE)
- lateralis, Sheldonella lateralis L.A. Reeve, 1844 - syn of: Sheldonella lateralis (L.A. Reeve, 1844) - (NOETIIDAE)
- lateralis, Noetia lateralis L.A. Reeve, 1844 - syn of: Sheldonella lateralis (L.A. Reeve, 1844) - (NOETIIDAE)
- lateralis, Nucula lateralis Terquem & Jourdy, 1869 † - (NUCULIDAE) (FOSSIL)
- lateralis, Galeoctopus lateralis M.D. Norman, R. Boucher-Rodoni & F.G. Hochberg, 2004 - (OCTOPODIDAE)
- lateralis, Pedicularia lateralis E. Réquien, 1844 - syn of: Pedicularia sicula W.J. Swainson, 1840 - (PEDICULARIIDAE)
- lateralis, Kerguelenella lateralis (A.A. Gould, 1846) - (SIPHONARIIDAE)
- lateralis, Pugillaria lateralis H.H. Suter, 1913 - syn of: Pugillaria flemingi A.W.B. Powell, 1955 - (SIPHONARIIDAE)
- lateralis, Tellina lateralis T. Say, 1826 - syn of: Macoma constricta (J.G. Bruguière, 1792) - (TELLINIDAE)
- lateralis, Trimusculus lateralis E. Réquien, 1848 - syn of: Trimusculus mammillaris (C. Linnaeus, 1758) - (TRIMUSCULIDAE)
- lateralis, Diplodonta lateralis E.A. Smith, 1876 - (UNGULINIDAE)
- lateralis, Tenuistemma lateralis (Paz in L. Pfeiffer, 1860) - (UROCOPTIDAE)
- lateralis, Isseliella lateralis C.F. Laseron, 1956 - syn of: Stosicia hiloensis (H.A. Pilsbry & E.G. Vanatta, 1908) - (ZEBINIDAE)
- lateralis macquariensis, Kerguelenella lateralis macquariensis (A.W.B. Powell, 1939) - (SIPHONARIIDAE)
- lateralis sauryensis, Mulinia lateralis sauryensis A.A. Olsson, 1922 - (MACTRIDAE)
- lateranus, Oxychilus lateranus G. Servain, 1880 - syn of: Oxychilus draparnaudi (H.H. Beck, 1837) - (OXYCHILIDAE)
- laterculata, Nodicostellaria laterculata (G.B. II Sowerby, 1874) - (COSTELLARIIDAE)
- laterculata, Mitra laterculata G.B. II Sowerby, 1874 - syn of: Nodicostellaria laterculata (G.B. II Sowerby, 1874) - (MITRIDAE)
- laterculata, Inquisitor laterculata (G.B. II Sowerby, 1870) - (PSEUDOMELATOMIDAE)
- laterculata, Pleurotoma laterculata G.B. II Sowerby, 1870 - syn of: Inquisitor laterculata (G.B. II Sowerby, 1870) - (TURRIDAE)
- laterculatus, Graphiconus laterculatus (G.B. II Sowerby, 1870) - (CONIDAE)
- laterculoides, Funa laterculoides (K.H. Barnard, 1958) - (PSEUDOMELATOMIDAE)
- laterculoides, Inquisitor laterculoides K.H. Barnard, 1958 - syn of: Funa laterculoides (K.H. Barnard, 1958) - (PSEUDOMELATOMIDAE)
- laterculum, Hemicosmorthoceras laterculum Ristedt, 1968 † - (SPHAERORTHOCERATIDAE) (FOSSIL)
- laterculus, Helicina laterculus F.C. Baker, 1914 - (HELICINIDAE)
- laterculus, Heterocithara laterculus J. Marwick, 1931 † - (MANGELIIDAE) (FOSSIL)
- laterea, Lucidestea laterea C.F. Laseron, 1956 - (RISSOIDAE)
- lateretuberculatum, Mantelliceras lateretuberculatum M. Collignon, 1964 † - syn of: Mantelliceras dixoni Spath, 1926 † - (ACANTHOCERATIDAE) (FOSSIL)
- lateriacutus, Dorsojugatus lateriacutus A.V. Sysoev, 1968 † - (DORSOJUGATIDAE) (FOSSIL)
- latericea, Pseudomphala latericea (A. Adams, 1863) - (ASSIMINEIDAE)
- latericea, Assiminea latericea A. Adams, 1863 - syn of: Pseudomphala latericea (A. Adams, 1863) - (ASSIMINEIDAE)
- latericea miyazakii, Pseudomphala latericea miyazakii (T. Habe, 1943) - (ASSIMINEIDAE)
- latericea miyazakii, Assiminea latericea miyazakii (T. Habe, 1943) - syn of: Pseudomphala latericea miyazakii (T. Habe, 1943) - (ASSIMINEIDAE)
- latericeus, Colus latericeus (H.P.C. Møller, 1842) - (BUCCINIDAE)
- latericeus, Retifusus latericeus (H.P.C. Møller, 1842) - (BUCCINIDAE)
- latericeus, Fusus latericeus O.A.L. Mörch, 1869 - syn of: Colus latericeus (H.P.C. Møller, 1842) - (FASCIOLARIIDAE)
- latericeus laevis, Fusus latericeus laevis O.A.L. Mörch, 1869 - syn of: Colus latericeus (H.P.C. Møller, 1842) - (FASCIOLARIIDAE)
- latericeus pertenuis, Colus latericeus pertenuis (E.R. Sykes, 1911) - (BUCCINIDAE)
- latericium, Colubraria latericium L. Bozzetti, 2008 - (COLUBRARIIDAE)
- laterinensis, Inglisella laterinensis P.A. Maxwell, 1988 † - (CANCELLARIIDAE) (FOSSIL)
- lateriquadrata, Castalia lateriquadrata G.B. II Sowerby, 1869 - syn of: Castalia ambigua (J.B.P.A. Lamarck, 1819) - (HYRIIDAE)
- lateris, Inoceramus lateris Rossi de Garcia & Y. Camacho-García, 1965 † - (INOCERAMIDAE) (FOSSIL)
- laterischismum, Fissidentalium laterischismum T. Shikama & T. Habe, 1963 - (DENTALIIDAE)
- laterisulca, Tapes laterisulca G.B. II Sowerby, 1852 - syn of: Marcia recens (H.S. Holten, 1802) - (VENERIDAE)
- laterita, Cochlorina laterita (H.A. Pilsbry, 1898) - (BULIMULIDAE)
- lateritia, Dentimargo lateritia (J.C. Melvill & E.R. Sykes, 1903) - (MARGINELLIDAE)
- lateritia, Glabella lateritia J.C. Melvill & E.R. Sykes, 1903 - syn of: Dentimargo lateritia (J.C. Melvill & E.R. Sykes, 1903) - (MARGINELLIDAE)
- lateritia, Tarebia lateritia I. Lea, 1850 - syn of: Tarebia granifera (J.B.P.A. Lamarck, 1816) - (THIARIDAE)
- lateritius, Cochlorina navicularis lateritius H.A. Pilsbry - (BULIMULIDAE)
- laterna, Eusetia laterna B.C. Cotton, 1952 - syn of: Pisinna varicifera relata (B.C. Cotton, 1944) - (ACLIDIDAE)
- laterna, Laternula laterna (J.B.P.A. Lamarck, 1818) - (LATERNULIDAE)
- laterna, Anatina laterna J.B.P.A. Lamarck, 1818 - syn of: Laternula laterna (J.B.P.A. Lamarck, 1818) - (MACTRIDAE)
- laterna, Anatina laterna G.P. Deshayes, 1839 - syn of: Laternula erythraea (S. Morris & N.J. Morris, 1993) - (MACTRIDAE)
- laternaria, Nucula laternaria A. Valenciennes, 1846 - syn of: Megayoldia thraciaeformis (D.H. Storer, 1838) - (NUCULIDAE)
- laternaria, Megayoldia laternaria A. Valenciennes, 1846 - syn of: Megayoldia thraciaeformis (D.H. Storer, 1838) - (YOLDIIDAE)
- Laternoides, Genus Laternoides Yu & Xi, 1977 † (ASSIMINEIDAE) (FOSSIL)
- Laternula, Genus Laternula P.F. Röding, 1798 (LATERNULIDAE)
- LATERNULIDAE Hedley, 1918 (1840) - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-ANOMALODESMATA [Order]-THRACIOIDEA [Superfamily])
- Laternulina, Subgenus Laternula (Laternulina) Habe, 1952 † (LATERNULIDAE) (FOSSIL)
- Laternulina, syn of: Genus Laternula P.F. Röding, 1798 (LATERNULIDAE)
- laterocompressa, Lepetella laterocompressa (A.G. de Rayneval & G. Ponzi, 1854) - (LEPETELLIDAE)
- laterocompressa, Patella laterocompressa A.G. de Rayneval & G. Ponzi, 1854 - syn of: Lepetella laterocompressa (A.G. de Rayneval & G. Ponzi, 1854) - (PATELLIDAE)
- lateroconcavus, Armatites lateroconcavus (Dybczynski , 1913 †) - (TORNOCERATIDAE) (FOSSIL)
- laterodentata, Aligena laterodentata H.W. Harry, J.C.Jr. Britton & Nunley, 1980 - (LASAEIDAE)
- lateroides, Fusinus lateroides T.A. de M. Monterosato, 1891 - syn of: Fusinus rostratus (A.G. Olivi, 1792) - (FASCIOLARIIDAE)
- lateronodosum, Tainoceras lateronodosum Zheng, 1984 † - (TAINOCERATIDAE) (FOSSIL)
- laterorugosus, Chiton laterorugosus P. Kaas, 1986 - (CHITONIDAE)
- laterosa, Vitracar laterosa T. Iredale, 1939 - syn of: Vitracar sulcata (J.B.P.A. Lamarck, 1819) - (ARCIDAE)
- laterostrata, Ostrea laterostrata A. Feneaux, 1942 - syn of: Neopycnodonte cochlear (G.S. Poli, 1795) - (OSTREIDAE)
- laterradii, Strophina laterradii (J.P.S. Grateloup, 1840) - (UROCOPTIDAE)
- latescalata, Melania latescalata Klipstein, 1843 † - syn of: Purpurina subpleurotomaria (Münster, 1841 †) - (THIARIDAE) (FOSSIL)
- latescens, Nitidella latescens S.M. Souverbie, 1866 - syn of: Pardalinops testudinaria (J.H.F. Link, 1807) - (COLUMBELLIDAE)
- latescens, Podagrosites latescens (C.T. Simpson, 1843 †) - (HILDOCERATIDAE) (FOSSIL)
- latescens, Dumortieria latescens Buckman † - (HILDOCERATIDAE) (FOSSIL)
- latescens, Comitas latescens (F.W. Hutton, 1873 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- latescens, Tonna latescens J.S. Schröter in W. Martini, 1788 - syn of: Tonna allium (L.W. Dillwyn, 1817) - (TONNIDAE)
- latesellatus, Hoplitoides latesellatus A. von Koenen, 1898 † - (COILOPOCERATIDAE) (FOSSIL)
- lateseptata, Cyrtoclymenia lateseptata Schindewolf, 1924 † - syn of: Cyrtoclymenia angustiseptata (G.G. Münster, 1832 †) - (CYRTOCLYMENIIDAE) (FOSSIL)
- lateseptatum, Trematoceras lateseptatum (J. Von Hauer, 1846 †) - (ORTHOCERATIDAE) (FOSSIL)
- lateseptatum, Orthoceras lateseptatum J. Von Hauer, 1846 † - syn of: Trematoceras lateseptatum (J. Von Hauer, 1846 †) - (ORTHOCERATIDAE) (FOSSIL)
- lateseptatum, Pharciceras lateseptatum (Frech, 1902 †) - (PHARCICERATIDAE) (FOSSIL)
- lateseptatum, Prolecanites lateseptatum Frech, 1902 † - syn of: Pharciceras lateseptatum (Frech, 1902 †) - (PROLECANITIDAE) (FOSSIL)
- lateseptatus, Ammonites lateseptatus A.H.E. Beyrich, 1837 † - syn of: Anarcestes lateseptatus (A.H.E. Beyrich, 1837 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- lateseptatus, Anarcestes lateseptatus (A.H.E. Beyrich, 1837 †) - (ANARCESTIDAE) (FOSSIL)
- latestriata, Parabalea latestriata (W.K. Weyrauch, 1958) - (CLAUSILIIDAE)
- latestriata, Macrogastra latestriata (O. Böttger, 1878) - (CLAUSILIIDAE)
- latestriata, Parabalea latestriata W.K. Weyrauch, 1958 - syn of: Parabalea latestriata (W.K. Weyrauch, 1958) - (CLAUSILIIDAE)
- latestriata, Pyrostoma latestriata A. Schmidt, 1856 - syn of: Pyrostoma borealis bielzi H. Nordsieck, 1993 - (CLAUSILIIDAE)
- latestriata, Charpentieria itala latestriata (H.C. Küster, 1850) - (CLAUSILIIDAE)
- latestriata, Agathylla strigillata latestriata H. Nordsieck, 1972 - (CLAUSILIIDAE)
- latestriata, Phaedusa lypra latestriata H. Nordsieck, 2007 - (CLAUSILIIDAE)
- latestriata borealis, Clausilia latestriata borealis O. Böttger, 1878 - syn of: Pyrostoma borealis (O. Böttger, 1878) - (CLAUSILIIDAE)
- latestriata densestriata, Parabalea latestriata densestriata H. Nordsieck, 2005 - (CLAUSILIIDAE)
- latestriata mantaroensis, Parabalea latestriata mantaroensis W.K. Weyrauch, 1963 - (CLAUSILIIDAE)
- latestriata queroensis, Parabalea latestriata queroensis H. Nordsieck, 2010 - (CLAUSILIIDAE)
- latestriatum, Cochlostoma braueri latestriatum (A.J. Wagner, 1897) - (COCHLOSTOMATIDAE)
- latestriatum, Aulatornoceras latestriatum (d'Archiac & de Verneuil, 1842 †) - (TORNOCERATIDAE) (FOSSIL)
- latestriatus, Goniatites latestriatus d'Archiac & de Verneuil, 1842 † - syn of: Aulatornoceras latestriatum (d'Archiac & de Verneuil, 1842 †) - (GONIATITIDAE) (FOSSIL)
- latestrigatus, Amphidromus latestrigatus M.M. Schepman, 1892 - (CAMAENIDAE)
- latestrigatus bimaensis, Amphidromus latestrigatus bimaensis H.C. Fulton, 1897 - (CAMAENIDAE)
- latestrigatus consobrinus, Amphidromus latestrigatus consobrinus H.C. Fulton, 1897 - (CAMAENIDAE)
- latestrigatus sumbaensis, Amphidromus latestrigatus sumbaensis H.C. Fulton, 1896 - (CAMAENIDAE)
- latesulcata, Cuspidaria latesulcata R. Tate, 1887 - (CUSPIDARIIDAE)
- latesulcata, Sulcogladius collegnoi latesulcata F. Sacco, 1893 † - (ROSTELLARIIDAE) (FOSSIL)
- latesulcatum, Dentalium latesulcatum R. Tate, 1899 † - (DENTALIIDAE) (FOSSIL)
- latesulcatum, Tonna latesulcatum W. Martini, 1777 - syn of: Tonna allium (L.W. Dillwyn, 1817) - (TONNIDAE)
- latesulcatum picta, Tonna latesulcatum picta S.C.T. Hanley, 1860 - syn of: Tonna allium (L.W. Dillwyn, 1817) - (TONNIDAE)
- latesulcatus, Belemnites latesulcatus Voltz, 1832 † - syn of: Pachybelemnopsis latesulcatus (Voltz, 1832 †) - (BELEMNITELLIDAE) (FOSSIL)
- latesulcatus, Belemnopsis latesulcatus Voltz, 1832 † - syn of: Pachybelemnopsis latesulcatus (Voltz, 1832 †) - (BELEMNOPSEIDAE) (FOSSIL)
- latesulcatus, Pachybelemnopsis latesulcatus (Voltz, 1832 †) - (MESOHIBOLITHIDAE) (FOSSIL)
- latesulcatus, Hibolithes latesulcatus Voltz, 1832 † - syn of: Pachybelemnopsis latesulcatus (Voltz, 1832 †) - (MESOHIBOLITHIDAE) (FOSSIL)
- lateumbilicata, Calliostoma lateumbilicata R.K. Dell, 1990 - syn of: Calliotropis lateumbilicata (R.K. Dell, 1990) - (CALLIOSTOMATIDAE)
- lateumbilicata, Calliotropis lateumbilicata (R.K. Dell, 1990) - (CALLIOTROPIDAE)
- lateumbilicata, Adeorbisina lateumbilicata (Uhlig, 1881 †) - (COLLONIIDAE) (FOSSIL)
- lateumbilicata, Paralaoma lateumbilicata (H.H. Suter, 1890) - (PUNCTIDAE)
- lateumbilicata, Powelliphanta spedeni lateumbilicata (A.W.B. Powell, 1946) - (RHYTIDIDAE)
- lateumbilicatus, Fidelites lateumbilicatus (Wolburg, 1933 †) - (AGONIATITIDAE) (FOSSIL)
- lateumbilicatus, Anomphalus lateumbilicatus A. Nützel & Ketwetsuriya, 2016 † - (ANOMPHALIDAE) (FOSSIL)
- lateumbilicatus, Discus lateumbilicatus (Sacco, 1886) † - (DISCIDAE) (FOSSIL)
- lateumbilicatus, Anticonulus lateumbilicatus (A.V.M.D. D'Orbigny, 1852 †) - (EPULOTROCHIDAE) (FOSSIL)
- lateumbilicatus, Zonitoides lateumbilicatus H.A. Pilsbry, 1895 - (GASTRODONTIDAE)
- lateumbilicatus, Radiodiscus lateumbilicatus W.K. Weyrauch, 1966 - (HELICODISCIDAE)
- latevittata, Euryzone latevittata (E.F.R.K. Koken, 1889 †) - (GOSSELETINIDAE) (FOSSIL)
- latevittata, Porphyrobaphe latevittata R.J. Shuttleworth, 1856 - syn of: Sultana yatesii (L. Pfeiffer, 1855) - (ORTHALICIDAE)
- latevittatus, Bucanopsis latevittatus (Lindström, 1884 †) - (BELLEROPHONTIDAE) (FOSSIL)
- latezonata, Conotoma latezonata (Lindström, 1884 †) - (GOSSELETINIDAE) (FOSSIL)
- latezonatus, Trigonephrus latezonatus M. Connolly, 1929 - (DORCASIIDAE)
- lathetikosa, Liralucina lathetikosa Glover & J.D. Taylor, 2016 - (LUCINIDAE)
- Lathires, syn of: Genus Latirus P.D. Montfort, 1810 (FASCIOLARIIDAE)
- Lathirus, syn of: Genus Latirus P.D. Montfort, 1810 (FASCIOLARIIDAE)
- Lathophthalmus, syn of: Genus Phanerophthalmus A. Adams, 1850 (HAMINOEIDAE)
- lathraea, Cernuella lathraea J.R. Bourguignat in É.A.A. Locard, 1882 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- lathraia, Nassa lathraia R. Sturany, 1900 - syn of: Nassarius mundus (R. Sturany, 1900) - (NASSARIIDAE)
- lathropae, Achatinella mustelina lathropae D.A. Welch, 1938 - (ACHATINELLIDAE)
- Lathyra, syn of: Genus Latirus P.D. Montfort, 1810 (FASCIOLARIIDAE)
- lathyri, Oxychilus lathyri (J.F. Mabille, 1869) - (OXYCHILIDAE)
- Lathyropsis, Genus Lathyropsis Oostingh, 1939 † (FASCIOLARIIDAE) (FOSSIL)
- Lathyrulus, syn of: Genus Latirulus A.E.M. Cossmann, 1901 (FASCIOLARIIDAE)
- Lathyrus, syn of: Genus Latirus P.D. Montfort, 1810 (FASCIOLARIIDAE)
- lathyrus, Niveria lathyrus (H.M.D. de Blainville, 1826) - (TRIVIIDAE)
- Latia, Genus Latia J.E. Gray, 1850 (LATIIDAE)
- Latia, syn of: Subgenus Partula (Marquesana) H.A. Pilsbry, 1909 (PARTULIDAE)
- Latiala, Genus Latiala Sohl, 1960 † (APORRHAIDAE) (FOSSIL)
- latialveozona, Worthenia latialveozona Batten, 1989 † - (LOPHOSPIRIDAE) (FOSSIL)
- latiambita, Pusillina latiambita (W.F. Ponder, 1967) - (RISSOIDAE)
- latiambita, Haurakia latiambita (W.F. Ponder, 1967) - syn of: Pusillina latiambita (W.F. Ponder, 1967) - (RISSOIDAE)
- latiapex, Etremopsis latiapex Powell, 1942 † - (CLATHURELLIDAE) (FOSSIL)
- Latiarca, syn of: Genus Cucullaea J.B.P.A. Lamarck, 1801 (CUCULLAEIDAE)
- latiarealis, Trigonia latiarealis Saveliev, 1960 † - (TRIGONIIDAE) (FOSSIL)
- latiauratus, Leptopecten latiauratus (T.A. Conrad, 1837) - (PECTINIDAE)
- latiauratus, Pecten latiauratus T.A. Conrad, 1837 - syn of: Leptopecten latiauratus (T.A. Conrad, 1837) - (PECTINIDAE)
- latiauratus cerritensis, Pecten latiauratus cerritensis R. Arnold, 1906 - syn of: Leptopecten latiauratus (T.A. Conrad, 1837) - (PECTINIDAE)
- latiauratus delosi, Pecten latiauratus delosi R. Arnold, 1906 - syn of: Leptopecten latiauratus (T.A. Conrad, 1837) - (PECTINIDAE)
- latiauratus fragilis, Pecten latiauratus fragilis R. Arnold, 1903 - syn of: Leptopecten latiauratus (T.A. Conrad, 1837) - (PECTINIDAE)
- latiauratus fucicolus, Pecten latiauratus fucicolus W.H. Dall, 1898 - syn of: Leptopecten latiauratus (T.A. Conrad, 1837) - (PECTINIDAE)
- latiauratus indentus, Pecten latiauratus indentus C.C. Li, 1930 - syn of: Leptopecten tumbezensis (A.V.M.D. D'Orbigny, 1846) - (PECTINIDAE)
- latiauratus monotimeris, Leptopecten latiauratus monotimeris (T.A. Conrad, 1837) - (PECTINIDAE)
- latiauratus splendens, Pecten latiauratus splendens C.C. Li, 1930 - syn of: Leptopecten tumbezensis (A.V.M.D. D'Orbigny, 1846) - (PECTINIDAE)
- latiaxialis, Comitas latiaxialis (P. Marshall, 1918 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- latiaxidea, Coralliophila latiaxidea G.B. III Sowerby, 1894 - syn of: Lataxiena fimbriata (R.B. Hinds, 1844) - (MURICIDAE)
- latiaxis, Papuina latiaxis E.A. Smith, 1883 - (CAMAENIDAE)
- Latiaxis, Genus Latiaxis W.J. Swainson, 1840 (MURICIDAE)
- latiaxisa, Conopleura latiaxisa M. Chino, 2011 - (DRILLIIDAE)
- laticallis, Bellerophon laticallis Hoare & al., 1997 † - (BELLEROPHONTIDAE) (FOSSIL)
- laticallosa, Lymnaea laticallosa T.N. Annandale & Surya Rao, 1925 - (LYMNAEIDAE)
- laticardo, Melaxinaea laticardo (Altena & Beets 1945) † - (GLYCYMERIDIDAE) (FOSSIL)
- laticarinata, Pyrgula basalis laticarinata B.M. Logvinenko & Y.I. Starobogatov, 1968 - (HYDROBIIDAE)
- laticarinata, Ectomaria laticarinata Foerste, 1924 † - syn of: Ectomaria orientalis (J. Donald, 1906 †) - (LOPHOSPIRIDAE) (FOSSIL)
- laticarinata, Plectonotus laticarinata Knod, 1908 † - (PLECTONOTIDAE) (FOSSIL)
- laticarinatum, Calliostoma laticarinatum R.J.L. Guppy, 1867 † - (CALLIOSTOMATIDAE) (FOSSIL)
- laticarinatum, Claviderma laticarinatum D. Ivanov & A.H. Scheltema, 2001 - (PROCHAETODERMATIDAE)
- laticarinatus, Bellerophon laticarinatus Knod, 1908 † - syn of: Plectonotus laticarinata Knod, 1908 † - (BELLEROPHONTIDAE) (FOSSIL)
- laticaudata, Gymnobela laticaudata A.V. Sysoev, 1990 - (RAPHITOMIDAE)
- laticella, Bathyneaera laticella (W.H. Dall, 1886) - (CUSPIDARIIDAE)
- laticeps, Amastra soror laticeps A. Hyatt & H.A. Pilsbry, 1911 - (AMASTRIDAE)
- laticeps, Proaustraliceras laticeps (Sinzow, 1905 †) - (ANCYLOCERATIDAE) (FOSSIL)
- laticeps, Cephalaspis laticeps Traquair, 1890 † - (CEPHALASPIDAE) (FOSSIL)
- laticeps, Cumanotus laticeps N.H. Odhner, 1907 - syn of: Cumanotus beaumonti (C.N.E. Eliot, 1906) - (FLABELLINIDAE)
- laticeps, Loligo laticeps R. Owen, 1835 - (LOLIGINIDAE)
- laticeps, Unio laticeps E.C. Von Martens, 1900 - syn of: Contradens semmelinki (E.C. Von Martens, 1891) - (UNIONIDAE)
- latichasma, Tricula latichasma Y.Y. Liu, Y.X. Wang & W.Z. Zhang, 1991 - (POMATIOPSIDAE)
- laticincta, Neilsonia laticincta Batten, 1989 † - (GOSSELETINIDAE) (FOSSIL)
- laticincta, Omospira laticincta Ulrich & Scofield, 1897 † - (LOXONEMATIDAE) (FOSSIL)
- laticinctus, Mesembrinus laticinctus (R.J.L. Guppy, 1868) - (BULIMULIDAE)
- laticingula, Cingulina laticingula (W.H. Dall & P. Bartsch, 1906) - (PYRAMIDELLIDAE)
- laticingulata, Cingulina laticingulata W.H. Dall & P. Bartsch, 1906 - syn of: Cingulina laticingula (W.H. Dall & P. Bartsch, 1906) - (PYRAMIDELLIDAE)
- laticingulata, Onoba laticingulata A.N. Golikov & O.V. Kussakin, 1978 - (RISSOIDAE)
- laticingulatus, Retifusus laticingulatus A.N. Golikov & V.V. Gulbin, 1977 - (BUCCINIDAE)
- laticlavia, Aturia laticlavia H.B. Stenzel, 1935 † - (ATURIIDAE) (FOSSIL)
- laticlavia, Gemmula laticlavia (A.H.E. Beyrich, 1848 †) - (TURRIDAE) (FOSSIL)
- laticlavium, Sharpeiceras laticlavium (Sharpe, 1855 †) - (ACANTHOCERATIDAE) (FOSSIL)
- laticlavius, Fusinus laticlavius Callomon & Snyder, 2017 - (FASCIOLARIIDAE)
- laticonchus, Alaskadiscus laticonchus Ebbestad & E.L. Yochelson, 2000 † - (TROPIDODISCIDAE) (FOSSIL)
- laticonica, Turbonilla laticonica (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- laticonica, Chemnitzia laticonica S. Nomura, 1936 - syn of: Turbonilla laticonica (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- Laticonus, Genus Laticonus Yü, 1979 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- laticonvexa, Omphaloptycha laticonvexa Wang, 1980 † - (COELOSTYLINIDAE) (FOSSIL)
- laticordatus, Helicofusus laticordatus (W.H. Dall, 1907) - (BUCCINIDAE)
- Laticornus, Genus Laticornus Missarzhevsky & Mambetov, 1981 † (HYOLITHIDA (UNASSIGNED)) (FOSSIL)
- laticosta, Omphalotropis laticosta J.F. Quadras & O.F. von Möllendorff, 1894 - (ASSIMINEIDAE)
- laticosta, Merica laticosta (C.H.W.T. Löbbecke, 1881) - (CANCELLARIIDAE)
- laticosta, Megacardita laticosta (K.E.I. von Eichwald, 1830 †) - (CARDITIDAE) (FOSSIL)
- laticosta, Cardita laticosta D'Orbigny, 1845 - syn of: Cardites laticostatus (G.B. I Sowerby, 1833) - (CARDITIDAE)
- laticosta, Laciniaria exalta laticosta (C.A. Westerlund, 1884) - (CLAUSILIIDAE)
- laticosta, Grandinenia gastrum laticosta H. Nordsieck, 2005 - (CLAUSILIIDAE)
- laticosta, Carditella laticosta E.A. Smith, 1904 - (CONDYLOCARDIIDAE)
- laticosta, Hildoceras laticosta (R. Bellini, 1900 †) - (HILDOCERATIDAE) (FOSSIL)
- laticosta, Olcostephanus laticosta Gerth, 1925 † - (OLCOSTEPHANIDAE) (FOSSIL)
- laticostata, Claudeonychia laticostata (Ulrich, 1895 †) - (AMBONYCHIIDAE) (FOSSIL)
- laticostata, Oxyeurax laticostata (Gardner & G.B. Campbell, 2002 †) - (ASTARTIDAE) (FOSSIL)
- laticostata, Neptunea laticostata A.N. Golikov, 1962 - (BUCCINIDAE)
- laticostata, Corbula laticostata É. Lamy, 1941 - (CORBULIDAE)
- laticostata, Cyrtorostra laticostata (Nechaev, 1894 †) - (DELTOPECTINIDAE) (FOSSIL)
- laticostata, Epitonium laticostata H. Strebel, 1905 - syn of: Epitonium magellanicum (R.A. Philippi, 1845) - (EPITONIIDAE)
- laticostata, Flemmingia laticostata (Münster, 1841 †) - (EULIMIDAE) (FOSSIL)
- laticostata, Glossus laticostata Münster, 1841 † - syn of: Fimbria laticostata (Münster, 1841 †) - (GLOSSIDAE) (FOSSIL)
- laticostata, Tucetona laticostata (J.R.C. Quoy, 1835) - (GLYCYMERIDIDAE)
- laticostata, Petunculus laticostata J.R.C. Quoy & J.P. Gaimard, 1835 - syn of: Tucetona laticostata (J.R.C. Quoy, 1835) - (GLYCYMERIDIDAE)
- laticostata, Palaeolima laticostata (Tschernyschew, 1902 †) - (LIMIDAE) (FOSSIL)
- laticostata, Fimbria laticostata (Münster, 1841 †) - (LUCINIDAE) (FOSSIL)
- laticostata, Perna laticostata L.A. Reeve, 1858 - syn of: Isognomon legumen J.F. Gmelin, 1790 - (MYTILIDAE)
- laticostata, Scutellastra laticostata (H.M.D. de Blainville, 1825) - (PATELLIDAE)
- laticostata, Patella laticostata H.M.D. de Blainville, 1825 - syn of: Scutellastra laticostata (H.M.D. de Blainville, 1825) - (PATELLIDAE)
- laticostata, Talochlamys laticostata A.G. Beu & T.A. Darragh, 2001 † - (PECTINIDAE) (FOSSIL)
- laticostata, Vola laticostata G.F. Angas, 1865 - syn of: Pecten fumatus albus L.A. Reeve, 1852 - (PECTINIDAE)
- laticostata, Platyclymenia laticostata Czarnocki, 1989 † - (PLATYCLYMENIIDAE) (FOSSIL)
- laticostata, Plicatula laticostata G.F. Angas, 1865 - syn of: Pecten fumatus L.A. Reeve, 1852 - (PLICATULIDAE)
- laticostata, Isognomon laticostata L.A. Reeve, 1858 - syn of: Isognomon legumen J.F. Gmelin, 1790 - (PTERIIDAE)
- laticostata, Ailinzebina laticostata M.J. Faber, 2013 - (RISSOINIDAE)
- laticostata, Oxyloma laticostata Gardner & G.B. Campbell, 2002 † - syn of: Oxyeurax laticostata (Gardner & G.B. Campbell, 2002 †) - (SUCCINEIDAE) (FOSSIL)
- laticostata, Tawera laticostata (N.H. Odhner, 1917) - (VENERIDAE)
- laticostata ochotensis, Neptunea laticostata ochotensis A.N. Golikov, 1962 - syn of: Neptunea ochotensis A.N. Golikov, 1962 - (BUCCINIDAE)
- laticostatum, Mexicardia laticostatum G.B. I Sowerby, 1833 - syn of: Mexicardia procerum (G.B. I Sowerby, 1833) - (CARDIIDAE)
- laticostatum, Cardium laticostatum Mayer-Eymar, 1898 - syn of: Acanthocardia paucicostata (G.B. II Sowerby, 1834) - (CARDIIDAE)
- laticostatum, Dactylioceras laticostatum Bardin & al., 2014 † - (DACTYLIOCERATIDAE) (FOSSIL)
- laticostatum, Mexicanoceras laticostatum Imlay, 1940 † - (OLCOSTEPHANIDAE) (FOSSIL)
- laticostatus, Archaeozonites laticostatus Sandberger, 1885 † - (ARCHAEOZONITIDAE) (FOSSIL)
- laticostatus, Callistochiton laticostatus P. Kaas & R.A. Van Belle, 1994 - (CALLISTOPLACIDAE)
- laticostatus, Cardites laticostatus (G.B. I Sowerby, 1833) - (CARDITIDAE)
- laticostatus, Cardita laticostatus G.B. I Sowerby, 1833 - syn of: Cardites laticostatus (G.B. I Sowerby, 1833) - (CARDITIDAE)
- laticostatus, Parakellnerites laticostatus Gu & al., 1980 † - (CERATITIDAE) (FOSSIL)
- laticostatus, Fusinus laticostatus (G.P. Deshayes, 1830) - (FASCIOLARIIDAE)
- laticostatus, Fusus laticostatus G.P. Deshayes, 1830 - syn of: Fusinus laticostatus (G.P. Deshayes, 1830) - (FASCIOLARIIDAE)
- laticostatus, Fletcheripecten laticostatus C.O. Waterhouse, 1982 † - (HETEROPECTINIDAE) (FOSSIL)
- laticostatus, Pecten laticostatus J.E. Gray, 1835 - syn of: Pecten novaezelandiae L.A. Reeve, 1852 - (PECTINIDAE)
- laticostatus, Pecten laticostatus J.B.P.A. Lamarck, 1819 - syn of: Pecten novaezelandiae L.A. Reeve, 1852 - (PECTINIDAE)
- laticostatus, Trochus laticostatus Münster, 1841 † - syn of: Flemmingia laticostata (Münster, 1841 †) - (TROCHIDAE) (FOSSIL)
- laticostulata, Oenopota laticostulata A.N. Golikov & O.A. Scarlato, 1985 - (MANGELIIDAE)
- laticulmen, Striatoguraleus laticulmen R.N. Kilburn, 1994 - (HORAICLAVIDAE)
- laticurvatum, Winnipegoceras laticurvatum (J.J.F. Whiteaves, 1897 †) - (WESTONOCERATIDAE) (FOSSIL)
- latidactylus, Venerupis latidactylus Muller & Collins, 1991 † - (VENERIDAE) (FOSSIL)
- latidens, Leptochiton latidens (J.R.M. Bergenhayn, 1933) - (LEPTOCHITONIDAE)
- latidomus, Blanfordiceras latidomus Uhlig, 1910 † - (NEOCOMITIDAE) (FOSSIL)
- latidorsalis, Goniatites latidorsalis C.L.F. von Sandberger, 1851 † - syn of: Sphaeromanticoceras affine (Steininger, 1849 †) - (GONIATITIDAE) (FOSSIL)
- latidorsata, Kokenospira latidorsata Reed, 1921 † - (BUCANIIDAE) (FOSSIL)
- latidorsatum, Desmoceras latidorsatum (J.L.H. Michelin, 1838 †) - (DESMOCERATIDAE) (FOSSIL)
- latidorsatum, Latisageceras latidorsatum (Noetling, 1904 †) - (MEDLICOTTIIDAE) (FOSSIL)
- latidorsatum lemoinei, Desmoceras latidorsatum lemoinei M. Collignon, 1928 † - (DESMOCERATIDAE) (FOSSIL)
- latidorsatus, Nautilus latidorsatus d'Orbigny, 1842 † - syn of: Cenoceras toarcense (A.V.M.D. D'Orbigny, 1850 †) - (NAUTILIDAE) (FOSSIL)
- Latidorsella, Subgenus Desmoceras (Latidorsella) Anderson, 1958 † (DESMOCERATIDAE) (FOSSIL)
- latidudo, Auriculinella latidudo A.C. dos Santos Coelho & H.R. Matthews, 1970 - (ELLOBIIDAE)
- latifasciata, Gracilispira latifasciata (K. Martin, 1933 †) - (ANCILLARIIDAE) (FOSSIL)
- latifasciata, Papyriscala latifasciata G.B. II Sowerby, 1874 - syn of: Epitonium latifasciatum (G.B. II Sowerby, 1874) - (EPITONIIDAE)
- latifasciata, Lacuna latifasciata A. Adams, 1863 - (LITTORINIDAE)
- latifasciata, Inquisitor latifasciata (G.B. II Sowerby, 1870) - (PSEUDOMELATOMIDAE)
- latifasciata, Pleurotoma latifasciata G.B. II Sowerby, 1870 - syn of: Inquisitor latifasciata (G.B. II Sowerby, 1870) - (TURRIDAE)
- latifasciatum, Apotocardium latifasciatum (R.M. Branson, 1942 †) - (BRANSONIIDAE) (FOSSIL)
- latifasciatum, Epitonium latifasciatum (G.B. II Sowerby, 1874) - (EPITONIIDAE)
- latifasciatum, Hormotoma latifasciatum R. Etheridge jr., 1878 † - (MURCHISONIIDAE) (FOSSIL)
- latifasciatum, Trochonema latifasciatum (Portlock) † - (TROCHONEMATIDAE) (FOSSIL)
- latifasciatus, Conus latifasciatus G.B. II Sowerby, 1858 - syn of: Graphiconus janus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- latifasciatus, Sigaretus latifasciatus A. Adams & L.A. Reeve, 1850 - syn of: Sinum neritoideum (C. Linnaeus, 1758) - (NATICIDAE)
- latifianus, Napaeopsis merditanus latifianus (R. Sturany, 1907) - (ENIDAE)
- latifimbriatus, Proptychites latifimbriatus (de Koninck, 1863 †) - (PROPTYCHITIDAE) (FOSSIL)
- latiflexa, Astieria latiflexa Baumberger, 1908 † - syn of: Olcostephanus variegatus latiflexus (Baumberger, 1908 †) - (OLCOSTEPHANIDAE) (FOSSIL)
- latiflexus, Olcostephanus variegatus latiflexus (Baumberger, 1908 †) - (OLCOSTEPHANIDAE) (FOSSIL)
- latifolius, Timbellus latifolius (L.M.D. Bellardi, 1872 †) - (MURICIDAE) (FOSSIL)
- latiformis, Limipecten latiformis (Shimer, 1926 †) - (AVICULOPECTINIDAE) (FOSSIL)
- latiformis, Deltopecten latiformis Shimer, 1926 † - syn of: Limipecten latiformis (Shimer, 1926 †) - (DELTOPECTINIDAE) (FOSSIL)
- latiformis, Sporadoceras latiformis Kind, 1944 † - (SPORADOCERATIDAE) (FOSSIL)
- latiformum, Guiyangoceras latiformum W.C. Zhou, 1985 † - (CYCLOLOBIDAE) (FOSSIL)
- latifrons, Ptychites latifrons Mojsisovics, 1886 † - syn of: Arctoptychites euglyphus (Mojsisovics, 1886 †) - (PTYCHITIDAE) (FOSSIL)
- Latifusus, Subgenus Plicifusus (Latifusus) W.H. Dall, 1916 (BUCCINIDAE)
- latifusus, Semisulcospira latifusus (H.A. Pilsbry, 1902) - (SEMISULCOSPIRIDAE)
- LATIIDAE Hutton, 1882 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-HYGROPHILA [Order]-CHILINOIDEA [Superfamily])
- latilabra, Trochopsidea latilabra (F. Stoliczka, 1861 †) - (ATAPHRIDAE) (FOSSIL)
- latilabra, Gregoia latilabra Fehse, 2017 - (TRIVIIDAE)
- latilabre, Cyathopoma latilabre (R.H. Beddome, 1875) - (CYCLOPHORIDAE)
- latilabre, Chondropometes latilabre (A.V.M.D. D'Orbigny, 1842) - (POMATIIDAE)
- latilabri, Turbonilla latilabri A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- latilabris, Aeropictus latilabris L. Pfeiffer, 1855 - syn of: Aeropictus succineoides (S.A.A. Petit De La Saussaye, 1840) - (AMPHIBULIMIDAE)
- latilabris, Omphalotropis latilabris J.F. Quadras & O.F. von Möllendorff, 1894 - (ASSIMINEIDAE)
- latilabris, Bulimus latilabris L. Pfeiffer, 1855 - syn of: Aeropictus succineoides (S.A.A. Petit De La Saussaye, 1840) - (BULIMULIDAE)
- latilabris, Chondrina avenacea latilabris A. Stossich, 1895 - (CHONDRINIDAE)
- latilabris, Delima latilabris (J.A. Wagner, 1829) - (CLAUSILIIDAE)
- latilabris, Diplommatina latilabris W. Kobelt, 1886 - (DIPLOMMATINIDAE)
- latilabris, Pseudonapaeus latilabris W.A. Lindholm, 1927 - syn of: Pseudonapaeus trigonochilus (C.M.F. Ancey, 1886) - (ENIDAE)
- latilabris, Haliotis latilabris R.A. Philippi, 1848 - syn of: Haliotis ovina J.F. Gmelin, 1791 - (HALIOTIDAE)
- latilabris, Murella globularis latilabris (C.A. Westerlund, 1876) - (HELICIDAE)
- latilabris, Murex latilabris L.M.D. Bellardi & O.G. Michelotti † - (MURICIDAE) (FOSSIL)
- latilabris, Malea latilabris G.B. Sowerby, 1842 - syn of: Malea ringens (W.J. Swainson, 1822) - (TONNIDAE)
- latilabris angusticollis, Delima latilabris angusticollis (H.C. Küster, 1876) - (CLAUSILIIDAE)
- latilabris boettgeri, Delima latilabris boettgeri H. Nordsieck, 1969 - (CLAUSILIIDAE)
- latilabris duarensis, Delima latilabris duarensis H. Nordsieck, 1969 - (CLAUSILIIDAE)
- latilabris helenae, Delima latilabris helenae (H.C. Küster, 1876) - (CLAUSILIIDAE)
- latilabris michahellis, Delima latilabris michahellis (H.C. Küster, 1850) - (CLAUSILIIDAE)
- latilabris opaca, Delima latilabris opaca (J.G.F. de Charpentier, 1852) - (CLAUSILIIDAE)
- latilabris pachychila, Delima latilabris pachychila (C.A. Westerlund, 1878) - (CLAUSILIIDAE)
- latilabris tenebrosa, Delima latilabris tenebrosa (H.C. Küster, 1862) - (CLAUSILIIDAE)
- latilabrum, Pterocyclus latilabrum E.A. Smith, 1895 - (CYCLOPHORIDAE)
- Latilabrum, syn of: Genus Microliotia O. Böttger, 1901 (PICKWORTHIIDAE)
- latili, Lyelliceras latili J. Kennedy & Klinger, 2008 † - (LYELLICERATIDAE) (FOSSIL)
- latilirata, Coralliophila latilirata H.A. Rehder, 1985 - syn of: Coralliophila bulbiformis (T.A. Conrad, 1837) - (MURICIDAE)
- latilirata, Myadora latilirata J.H. Macpherson, 1958 - syn of: Myadora rotundata G.B. III Sowerby, 1875 - (MYOCHAMIDAE)
- latilirata, Latitriphora latilirata (J.C. Verco, 1909) - (TRIPHORIDAE)
- latilirata, Triphora latilirata J.C. Verco, 1909 - syn of: Latitriphora latilirata (J.C. Verco, 1909) - (TRIPHORIDAE)
- latilirata, Lirophora latilirata (T.A. Conrad, 1841) - (VENERIDAE)
- latilirata, Venus latilirata T.A. Conrad, 1841 - syn of: Lirophora latilirata (T.A. Conrad, 1841) - (VENERIDAE)
- latilirata, Venus latilirata G.B. III Sowerby, 1897 - syn of: Comus platyaulax (J.R. le B. Tomlin, 1924) - (VENERIDAE)
- latilobata, Parahedenstroemia latilobata Wang & C. Chen, 1979 † - (HEDENSTROEMIIDAE) (FOSSIL)
- latilobatum, Rotodiscoceras latilobatum J.K. Zhao & al., 1978 † - (PLEURONODOCERATIDAE) (FOSSIL)
- latilobatum, Sporadoceras latilobatum Schindewolf, 1923 † - (SPORADOCERATIDAE) (FOSSIL)
- latilobatus, Deshayesites latilobatus (Sinzow, 1909 †) - (DESHAYESITIDAE) (FOSSIL)
- latilobatus, Parahoplites latilobatus Sinzow, 1909 † - syn of: Deshayesites latilobatus (Sinzow, 1909 †) - (PARAHOPLITIDAE) (FOSSIL)
- latilobatus, Proptychites latilobatus Chao, 1959 † - syn of: Pseudaspidites muthianus (Krafft & Diener, 1909 †) - (PROPTYCHITIDAE) (FOSSIL)
- latilobum, Dyscheiloceras latilobum (E. Perna, 1914 †) - (CHEILOCERATIDAE) (FOSSIL)
- latilunellaris, Telophaedusa latilunellaris (O. Böttger & P.B. Schmacker, 1894) - (CLAUSILIIDAE)
- latimanus, Sepia latimanus J.R.C. Quoy & J.P. Gaimard, 1832 - (SEPIIDAE)
- latimarginata, Fissurella latimarginata G.B. I Sowerby, 1835 - (FISSURELLIDAE)
- latimarginata, Ostrea latimarginata E.W. Vredenburg, 1908 † - (OSTREIDAE) (FOSSIL)
- latimarginata, Trochomorpha latimarginata (E.A. Smith, 1884) - (TROCHOMORPHIDAE)
- latimarginata, Anodonta latimarginata E.C. Von Martens, 1868 - syn of: Anodontites ferrarisii (A.V.M.D. D'Orbigny, 1835) - (UNIONIDAE)
- latimarginata biradiata, Fissurella latimarginata biradiata G.B. I Sowerby, 1834 - (FISSURELLIDAE)
- latimarginata inflata, Anodonta latimarginata inflata E.C. Von Martens, 1868 - syn of: Anodontites ferrarisii (A.V.M.D. D'Orbigny, 1835) - (UNIONIDAE)
- Latimurex, syn of: Genus Coralliophila H. Adams & A. Adams, 1853 (MURICIDAE)
- latina, Eatoniella latina L.N. Marincovich, 1973 - (EATONIELLIDAE)
- latina, Belgrandia latina (F. Settepassi, 1965) - (HYDROBIIDAE)
- latina, Islamia latina P. Radoman, 1973 - (HYDROBIIDAE)
- latina, Belgrandia latina F. Settepassi, 1965 - syn of: Belgrandia latina (F. Settepassi, 1965) - (HYDROBIIDAE)
- latina, Aptyxiella latina Fischer & al., 2002 † - (NERINEIDAE) (FOSSIL)
- Latiolais, syn of: Genus Lobatus W.J. Swainson, 1837 (STROMBIDAE)
- latior, Celticola pilsbryi latior C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- latior, Heliacus cylindricus latior (S.C.T. Hanley, 1863) - (ARCHITECTONICIDAE)
- latior, Engina latior B.M. Landau & G.J. Vermeij, 2012 † - (BUCCINIDAE) (FOSSIL)
- latior, Drymaeus papyraceus latior H. Strebel, 1882 - (BULIMULIDAE)
- latior, Talostolida latior (J.C. Melvill, 1888) - (CYPRAEIDAE)
- latior, Blasicrura latior J.C. Melvill, 1888 - syn of: Talostolida latior (J.C. Melvill, 1888) - (CYPRAEIDAE)
- latior, Gargamella latior N.H. Odhner, 1926 - syn of: Gargamella immaculata L.S.R. Bergh, 1894 - (DISCODORIDIDAE)
- latior, Scalenostoma latior H.A. Pilsbry, 1917 - syn of: Scalenostoma carinatum G.P. Deshayes, 1863 - (EULIMIDAE)
- latior, Sivella latior (A.R.J.B. Bavay & P. Dautzenberg, 1908) - (HELICARIONIDAE)
- latior, Helix latior G.P. Deshayes, 1851 - syn of: Pleurodonte peracutissimus C.B. Adams, 1845 - (HELICIDAE)
- latior, Sonorella granulatissima latior H.A. Pilsbry, 1905 - (HELMINTHOGLYPTIDAE)
- latior, Caspia latior (C.L.F. von Sandberger, 1886 †) - (HYDROBIIDAE) (FOSSIL)
- latior, Laevilitorina latior H.B. Preston, 1912 - (LITTORINIDAE)
- latior, Marginella latior Bose, 1906 † - (MARGINELLIDAE) (FOSSIL)
- latior, Turritellopsis latior K.H.J. Thiele, 1912 - (MATHILDIDAE)
- latior, Litozamia latior (J.C. Verco, 1909) - (MURICIDAE)
- latior, Neilonella latior (J.G. Jeffreys, 1876) - (NEILONELLIDAE)
- latior, Pseudoneilonella latior J.G. Jeffreys, 1876 - syn of: Neilonella latior (J.G. Jeffreys, 1876) - (NEILONELLIDAE)
- latior, Neilonella latior G.F. Laghi, 1986 - syn of: Neilonella salicensis (G. Seguenza, 1877) - (NEILONELLIDAE)
- latior, Hippeutis subfontanus latior F. Gottschick, 1920 † - (PLANORBIDAE) (FOSSIL)
- latior, Setia latior (J.W. Mighels & C.B. Adams, 1842) - (RISSOIDAE)
- latior, Alvania latior J.W. Mighels & Adams, 1842 - syn of: Setia latior (J.W. Mighels & C.B. Adams, 1842) - (RISSOIDAE)
- latior, Cingula latior J.W. Mighels & Adams, 1842 - syn of: Setia latior (J.W. Mighels & C.B. Adams, 1842) - (RISSOIDAE)
- latior, Schartymites latior Kullmann, 1962 † - (STENOGLAPHYRITIDAE) (FOSSIL)
- latior, Succinea latior (C.B. Adams, 1845) - (SUCCINEIDAE)
- latior, Gibbula latior T.A. de M. Monterosato, 1880 - syn of: Gibbula umbilicaris latior T.A. de M. Monterosato, 1878 - (TROCHIDAE)
- latior, Gibbula umbilicaris latior T.A. de M. Monterosato, 1878 - (TROCHIDAE)
- latior, Trochomorpha latior A.R.J.B. Bavay & P. Dautzenberg, 1908 - syn of: Sivella latior (A.R.J.B. Bavay & P. Dautzenberg, 1908) - (TROCHOMORPHIDAE)
- latior, Cosmasyrinx latior J. Marwick, 1931 † - (TURRIDAE) (FOSSIL)
- latior, Turritella latior K.H.J. Thiele, 1912 - (TURRITELLIDAE)
- latior, Mesomphix latior H.A. Pilsbry, 1900 - (ZONITIDAE)
- latior albina, Trochus latior albina T.A. de M. Monterosato, 1880 - syn of: Gibbula umbilicaris (C. Linnaeus, 1758) - (TROCHIDAE)
- latior burgessi, Talostolida latior burgessi E.A. Kay, 1981 - (CYPRAEIDAE)
- latiovalis, Unionelloides latiovalis (Y.Y. Cai & H.X. Liu, 1978 †) - (UNIONIDAE) (FOSSIL)
- latipennis, Typhina latipennis (W.H. Dall, 1919) - (MURICIDAE)
- latipes, Eulima latipes R.B. Watson, 1883 - (EULIMIDAE)
- latipes, Elysia latipes Er. Marcus & Ev. Marcus, 1960 - syn of: Elysia pusilla (L.S.R. Bergh, 1871) - (PLAKOBRANCHIDAE)
- Latipes, Genus Latipes G. Colosi, 1922 (VERONICELLIDAE)
- latipinna, Mastigoteuthis latipinna (M. Sasaki, 1916) - (MASTIGOTEUTHIDAE)
- latipinnatus, Babelomurex latipinnatus (M. Azuma, 1961) - (MURICIDAE)
- Latiplicatounio, syn of: Genus Plicatounio Kobayashi & Suzuki, 1936 † (PLICATOUNIONIDAE) (FOSSIL)
- latiplicatus, Retifusus latiplicatus A. Kosyan & Y.I. Kantor, 2014 - (BUCCINIDAE)
- latiquadrata, Castalia latiquadrata G.B. II Sowerby, 1869 - syn of: Castalia ambigua (J.B.P.A. Lamarck, 1819) - (HYRIIDAE)
- latiradiata, Glycymeris latiradiata (Gümbel, 1861 †) - (GLYCYMERIDIDAE) (FOSSIL)
- latiradiata obova, Glycymeris latiradiata obova Baldi, 1962 † - (GLYCYMERIDIDAE) (FOSSIL)
- latireflexa, Euryptyxis latireflexa (L.A. Reeve, 1849) - (CERASTUIDAE)
- latirella, Mangelia latirella J.C. Melvill & R. Standen, 1896 - (MANGELIIDAE)
- latiriforme, Vasum latiriforme H.A. Rehder & R.T. Abbott, 1951 - (TURBINELLIDAE)
- latiriformis, Drillia latiriformis J.C. Melvill, 1923 - syn of: Crassispira latiriformis (J.C. Melvill, 1923) - (DRILLIIDAE)
- latiriformis, Inquisitor latiriformis R.N. Kilburn, 1988 - (PSEUDOMELATOMIDAE)
- latiriformis, Crassispira latiriformis (J.C. Melvill, 1923) - (PSEUDOMELATOMIDAE)
- latirimalus, Euphemites latirimalus Wang, 1980 † - (EUPHEMITIDAE) (FOSSIL)
- Latirofusus, syn of: Genus Dolicholatirus L.M.D. Bellardi, 1884 (FASCIOLARIIDAE)
- Latirogona, Genus Latirogona Laws, 1944 † (FASCIOLARIIDAE) (FOSSIL)
- Latirolagena, Genus Latirolagena G.F. Harris, 1897 (FASCIOLARIIDAE)
- Latiromitra, Genus Latiromitra É.A.A. Locard, 1897 (COSTELLARIIDAE)
- Latiromurex, syn of: Genus Coralliophila H. Adams & A. Adams, 1853 (MURICIDAE)
- Latirostratus, syn of: Genus Bemella Rozanov & al., 1969 † (HELCIONELLIDAE) (FOSSIL)
- latirostris, Bathyspinula latirostris Z.A. Filatova & A.A. Schileyko, 1984 - (BATHYSPINULIDAE)
- latirostris, Anodonta latirostris H. Drouët, 1894 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- latirostris, Unio pictorum latirostris H.C. Küster, 1854 - (UNIONIDAE)
- latirugatus, Phos latirugatus E.M. Spieker, 1922 † - (NASSARIIDAE) (FOSSIL)
- Latirulus, Genus Latirulus A.E.M. Cossmann, 1901 (FASCIOLARIIDAE)
- Latirus, Genus Latirus P.D. Montfort, 1810 (FASCIOLARIIDAE)
- Latisageceras, Genus Latisageceras Ruzhencev , 1956 † (MEDLICOTTIIDAE) (FOSSIL)
- latiscensis, Trochulus latiscensis J.R. Bourguignat, 1887 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- Latischisma, syn of: Genus Shansiella Yin, 1932 † (PORTLOCKIELLIDAE) (FOSSIL)
- latiscula, Cylichna latiscula A. Adams, 1862 - (CYLICHNIDAE)
- latisellatum, Dimeroceras latisellatum I. von Born, 1912 † - syn of: Dimeroceras guembeli (Wedekind, 1908 †) - (DIMEROCERATIDAE) (FOSSIL)
- latisellatum, Manticoceras latisellatum (Janischewsky, 1926 †) - (GEPHUROCERATIDAE) (FOSSIL)
- latisellatus, Konglingites latisellatus Chao & Liang, 1966 † - (ARAXOCERATIDAE) (FOSSIL)
- latisellatus, Glyphiolobus latisellatus Ruzhentsev & Bogoslovskaya, 1971 † - (DIMORPHOCERATIDAE) (FOSSIL)
- latisellatus, Latanarcestes latisellatus Erben, 1953 † - (LATANARCESTIDAE) (FOSSIL)
- latisinuata, Rhabdostropha latisinuata Longst, 1924 † - (LOXONEMATIDAE) (FOSSIL)
- latisinuata, Funa latisinuata (E.A. Smith, 1877) - (PSEUDOMELATOMIDAE)
- latisinuata, Euthymella latisinuata J.R. le B. Tomlin, 1931 - (TRIPHORIDAE)
- latisinuata, Pleurotoma latisinuata E.A. Smith, 1877 - syn of: Funa latisinuata (E.A. Smith, 1877) - (TURRIDAE)
- latisinuatus, Parallelodon latisinuatus C. Gemmellaro, 1896 † - (PARALLELODONTIDAE) (FOSSIL)
- latisinus, Paradoxipecten latisinus Yin, 1983 † - (AVICULOPECTINIDAE) (FOSSIL)
- latisinus, Cerion latisinus H.A. Pilsbry & H. Black, 1930 - (CERIONIDAE)
- Latisipho, Subgenus Colus (Latisipho) W.H. Dall, 1916 (BUCCINIDAE)
- latisiphonatum, Bactroceras latisiphonatum Glenister, 1952 † - syn of: Bactroceras angustisiphonatum (Rüdiger, 1891 †) - (BALTOCERATIDAE) (FOSSIL)
- latisiphonatus, Haruspex latisiphonatus Shimansky, 1968 † - (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- latispatia, Squamuliferipecten latispatia C.O. Waterhouse, 1987 † - (DELTOPECTINIDAE) (FOSSIL)
- latispiculata, Niteomica latispiculata (D. Ivanov, 1995) - (PROCHAETODERMATIDAE)
- latispina, Astralium latispina (R.A. Philippi, 1844) - (TURBINIDAE)
- latispina, Astraea latispina Auct. non R.A. Philippi, 1844 - syn of: Lithopoma phoebium (P.F. Röding, 1798) - (TURBINIDAE)
- latispinus, Canopoconus latispinus S.Y. Feng & al., 2001 † - syn of: Canopoconus superatus S.Y. Feng & al., 2001 † - (MAIKHANELLIDAE) (FOSSIL)
- latispira, Euhadra latispira H.A. Pilsbry & Y. Hirase, 1909 - (BRADYBAENIDAE)
- latispira, Provermicularia latispira A.W. Grabau, 1936 † - syn of: Holopea scalariforme Lindström, 1884 † - (EULIMIDAE) (FOSSIL)
- latispira, Holopella latispira A.W. Grabau, 1936 † - (LOXONEMATIDAE) (FOSSIL)
- latispira, Villania latispira (Venturi & al., 2005 †) - (PHRICODOCERATIDAE) (FOSSIL)
- latispira, Omoderoceras latispira Venturi & al., 2005 † - syn of: Villania latispira (Venturi & al., 2005 †) - (PHRICODOCERATIDAE) (FOSSIL)
- latispira, Polygyra latispira H.A. Pilsbry, 1896 - (POLYGYRIDAE)
- latispira, Obeliscus latispira H.A. Pilsbry, 1944 - (SUBULINIDAE)
- latispira tsurugensis, Euhadra latispira tsurugensis T.D.A. Cockerell, 1924 - (BRADYBAENIDAE)
- latispira yagurai, Euhadra latispira yagurai J.T. Kuroda & T. Habe, 1949 - (BRADYBAENIDAE)
- latispiralis, Jedria latispiralis Wang, 1980 † - (NATICOPSIDAE) (FOSSIL)
- latispirum, Protacrioceras ornatum latispirum (Thomel, 1965 †) - (EMERICICERATIDAE) (FOSSIL)
- latissima, Megalomphala latissima E.F.R.K. Koken, 1897 † - (BUCANIIDAE) (FOSSIL)
- latissima, Glans latissima R. Tate, 1886 † - (CARDITIDAE) (FOSSIL)
- latissima, Coneuplecta latissima H.A. Pilsbry, 1902 - (EUCONULIDAE)
- latissima, Exogyra latissima J.B.P.A. Lamarck, 1910 † - syn of: Exogyra aquila A. Brongniart, 1871 † - (GRYPHAEIDAE) (FOSSIL)
- latissima, Gryphaea latissima J.B.P.A. Lamarck, 1910 † - syn of: Exogyra aquila A. Brongniart, 1871 † - (GRYPHAEIDAE) (FOSSIL)
- latissima, Lutraria latissima G.P. Deshayes, 1830 † - (MACTRIDAE) (FOSSIL)
- latissima, Neritina latissima W.J. Broderip, 1833 - (NERITIDAE)
- latissima, Macrochlamis latissima (J.G. Bruguière †) - (PECTINIDAE) (FOSSIL)
- latissima, Chlamys latissima (G.B. Brocchi, 1814 †) - (PECTINIDAE) (FOSSIL)
- latissima, Barnea latissima R.W. Dunker, 1866 - (PHOLADIDAE)
- latissima, Pholas latissima G.B. II Sowerby, 1849 - syn of: Barnea dilatata (L.F.A. Souleyet, 1843) - (PHOLADIDAE)
- latissima, Eurynia latissima C.S. Rafinesque, 1820 - syn of: Ligumia recta (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- latissima, Anodonta latissima H.T. von Gallenstein, 1852 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- latissima, Onchidiopsis latissima N.H. Odhner, 1913 - syn of: Onchidiopsis carnea L.S.R. Bergh, 1853 - (VELUTINIDAE)
- latissima, Cipangopaludina latissima (P. Dautzenberg & H. Fischer, 1905) - (VIVIPARIDAE)
- latissima cassiculum, Neritina latissima cassiculum (G.B. I Sowerby, 1836) - (NERITIDAE)
- latissima fontaineanum, Neritina latissima fontaineanum (A.V.M.D. D'Orbigny, 1840) - (NERITIDAE)
- latissimum, Aetostreon latissimum (J.B.P.A. Lamarck, 1801 †) - (GRYPHAEIDAE) (FOSSIL)
- latissimum, Prunum latissimum W.H. Dall, 1896 † - (MARGINELLIDAE) (FOSSIL)
- latissimum, Orthoceras latissimum Portlock † - (ORTHOCERATIDAE) (FOSSIL)
- latissimum pilsbryi, Prunum latissimum pilsbryi A.A. Olsson, 1922 † - (MARGINELLIDAE) (FOSSIL)
- latissimus, Anarcestes latissimus Chlupac & Turek, 1983 † - (ANARCESTIDAE) (FOSSIL)
- latissimus, Mytilus latissimus S. Clessin, 1887 - syn of: Crenomytilus grayanus (R.W. Dunker, 1853) - (MYTILIDAE)
- latissimus, Nautilus latissimus L. Waagen, 1879 † - syn of: Pleuronautilus latissimus (L. Waagen, 1879 †) - (NAUTILIDAE) (FOSSIL)
- latissimus, Hebetancylus latissimus (J. Lewis, 1875) - (PLANORBIDAE)
- latissimus, Euryptychites latissimus (M. von Neumayr & Uhlig, 1881 †) - (POLYPTYCHITIDAE) (FOSSIL)
- latissimus, Sinustrombus latissimus (C. Linnaeus, 1758) - (STROMBIDAE)
- latissimus, Strombus latissimus C. Linnaeus, 1758 - syn of: Sinustrombus latissimus (C. Linnaeus, 1758) - (STROMBIDAE)
- latissimus, Pleuronautilus latissimus (L. Waagen, 1879 †) - (TAINOCERATIDAE) (FOSSIL)
- latissimus, Vitrinoconus latissimus O.F. von Möllendorff, 1893 - (TROCHOMORPHIDAE)
- latissimus, Vitrinozonites latissimus (J. Lewis, 1875) - (ZONITIDAE)
- latissimus uvidermis, Vitrinozonites latissimus uvidermis H.A. Pilsbry, 1890 - (ZONITIDAE)
- Latissistrombus, syn of: Genus Sinustrombus K. Bandel, 2007 (STROMBIDAE)
- latistoma, Zoila rosselli latistoma F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- latistoma, Eutudora limbifera latistoma (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- latistriata, Neocancilla latistriata M. Herrmann & R. Salisbury, 2012 - (MITRIDAE)
- latistriata, Gymnobela latistriata Y.I. Kantor & A.V. Sysoev, 1986 - (RAPHITOMIDAE)
- latistriatus, Orthalicus sphinx latistriatus (H. Strebel, 1909) - (ORTHALICIDAE)
- latistrigata, Acmaea latistrigata G.F. Angas, 1865 - syn of: Patelloida latistrigata (G.F. Angas, 1865) - (ACMAEIDAE)
- latistrigata, Patelloida latistrigata (G.F. Angas, 1865) - (LOTTIIDAE)
- latistrigatus, Neopetraeus arboriferus latistrigatus H.A. Pilsbry, 1898 - (BULIMULIDAE)
- latistrigus, Opisthoporus latistrigus E.C. Von Martens, 1864 - (CYCLOPHORIDAE)
- latisulca, Astarte latisulca S.C.T. Hanley, 1843 - syn of: Astarte undata Gould, 1841 - (ASTARTIDAE)
- latisulcata, Euloxa latisulcata (Conrad 1839) † - (EULOXIDAE) (FOSSIL)
- latisulcata, Murchisonella latisulcata A. Peñas & E. Rolán, 2013 - (MURCHISONELLIDAE)
- latisulcata, Nodosoclymenia latisulcata Czarnocki, 1989 † - (PLATYCLYMENIIDAE) (FOSSIL)
- latisulcata, Diplomeriza latisulcata M. Yokoyama, 1922 - syn of: Duplicaria raphanula (J.B.P.A. Lamarck, 1822) - (TEREBRIDAE)
- latisulcatum, Cerithium latisulcatum W.H. Hudleston, 1889 † - (CERITHIIDAE) (FOSSIL)
- latisulcatum, Dentalium latisulcatum R. Tate, 1899 † - (DENTALIIDAE) (FOSSIL)
- latisulcatus, Belemnites latisulcatus J. Phillips, 1866 † - (BELEMNITELLIDAE) (FOSSIL)
- latisulcatus, Bellerophon latisulcatus Weir, 1931 † - (BELLEROPHONTIDAE) (FOSSIL)
- latisulcatus scalifer, Bellerophon latisulcatus scalifer de Koninck, 1883 † - syn of: Bellerophon bicarenus Léveillé, 1835 † - (BELLEROPHONTIDAE) (FOSSIL)
- latisulcus, Amphithalamus latisulcus (W.F. Ponder, 1968) - (ANABATHRIDAE)
- latisulcus, Drillia latisulcus K.H. Barnard, 1958 - (DRILLIIDAE)
- Latitaenia, Genus Latitaenia Koken & Perner, 1925 † (GOSSELETINIDAE) (FOSSIL)
- latitans, Calocochlia cryptica latitans (W.J. Broderip, 1841) - (BRADYBAENIDAE)
- latitesta, Drymaeus latitesta F. Haas, 1952 - (BULIMULIDAE)
- latitornata, Euryzone latitornata E.G. Linsley, 1968 † - (GOSSELETINIDAE) (FOSSIL)
- Latitrigonia, Genus Latitrigonia Kobayashi, 1957 † (TRIGONIIDAE) (FOSSIL)
- Latitriphora, Genus Latitriphora B.A. Marshall, 1983 (TRIPHORIDAE)
- latitudo, Bursa latitudo T.A. Garrard, 1961 - (BURSIDAE)
- latitudo fosteri, Colubrellina latitudo fosteri A.G. Beu, 1987 - syn of: Bursa fosteri A.G. Beu, 1987 - (BURSIDAE)
- latitudo natalensis, Colubrellina latitudo natalensis A.C. dos Santos Coelho & H.R. Matthews, 1970 - syn of: Bursa natalensis A.C. dos Santos Coelho & H.C. Matthews, 1970 - (BURSIDAE)
- latitudo wolfei, Bursa latitudo wolfei T.A. Garrard, 1961 - (BURSIDAE)
- latiumbilicata, Raphistomina latiumbilicata C.M. Poulsen, 1927 † - syn of: Ceratopea latiumbilicata (C.M. Poulsen, 1927 †) - (HOLOPEIDAE) (FOSSIL)
- latiumbilicata, Ceratopea latiumbilicata (C.M. Poulsen, 1927 †) - (RAPHISTOMATIDAE) (FOSSIL)
- latiumbilicatum, Leptogyroceras latiumbilicatum J.K. Zhao & al., 1978 † - (ANDERSSONOCERATIDAE) (FOSSIL)
- latiumbilicatum, Parrasiella latiumbilicatum (Cantu-Chapa, 1968 †) - (HIMALAYITIDAE) (FOSSIL)
- latiumbilicatus, Tirolites latiumbilicatus H. Guo, 1982 † - (TIROLITIDAE) (FOSSIL)
- latiumbilicus, Tapashanites latiumbilicus J.K. Zhao & al., 1978 † - (TAPASHANITIDAE) (FOSSIL)
- latiumbonata, Cyclocalyx latiumbonata A. Korniushin, 1991 - syn of: Pisidium personatum A.W. Malm, 1855 - (SPHAERIIDAE)
- latiuscula, Pleuromeris latiuscula A.W.B. Powell, 1937 - (CARDITIDAE)
- latiuscula, Palaeacmaea latiuscula J. Perner, 1903 † - syn of: Peelipilina latiuscula (J. Perner, 1903 †) - (PALAEACMAEIDAE) (FOSSIL)
- latiuscula, Peelipilina latiuscula (J. Perner, 1903 †) - (TRYBLIDIIDAE) (FOSSIL)
- latiuscula benthicola, Pleuromeris latiuscula benthicola A.W.B. Powell, 1937 - syn of: Pleuromeris benthicola A.W.B. Powell, 1937 - (CARDITIDAE)
- latiusculus, Microlinices latiusculus L.R.L. Simone, 2014 - (NATICIDAE)
- lativaricosus, Triton lativaricosus L.A. Reeve, 1844 - syn of: Maculotriton serriale (G.P. Deshayes, 1834) - (RANELLIDAE)
- lativentrosum, Meekoceras lativentrosum Chao, 1959 † - syn of: Submeekoceras hsuyuchieni (Chao, 1959 †) - (MEEKOCERATIDAE) (FOSSIL)
- lativentrum, Ooceras lativentrum Ruedemann, 1906 † - (OONOCERATIDAE) (FOSSIL)
- lativittata, Mourlonia lativittata Girty, 1910 † - (GOSSELETINIDAE) (FOSSIL)
- Latiwitchellia, Subgenus Witchellia (Latiwitchellia) Imlay, 1973 † (HAMMATOCERATIDAE) (FOSSIL)
- latizona, Partulina mighelsiana latizona F. Borcherding, 1906 - (ACHATINELLIDAE)
- latizona, Trishoplita latizona J.T. Kuroda & T. Habe, 1949 - (BRADYBAENIDAE)
- latizona, Humboldtiana latizona F.G. Thompson & B.A. Brewer, 1999 - (HUMBOLDTIANIDAE)
- latizona, Powelliphanta traversi latizona A.W.B. Powell, 1949 - (RHYTIDIDAE)
- latizonata, Pleurotomaria latizonata Laube, 1868 † - syn of: Gosseletina fasciolata (Münster, 1841 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- latizonata, Crassispira latizonata (E.A. Smith, 1882) - (PSEUDOMELATOMIDAE)
- latizonata, Pleurotoma latizonata E.A. Smith, 1882 - syn of: Crassispira latizonata (E.A. Smith, 1882) - (TURRIDAE)
- latizonatus, Mesembrinus multilineatus latizonatus H.A. Pilsbry, 1936 - (BULIMULIDAE)
- latoconvexa, Perna latoconvexa R.B. Newton, 1895 † - (MYTILIDAE) (FOSSIL)
- latocorrugata, Pyrgulina latocorrugata C.R. Laws, 1941 † - (PYRAMIDELLIDAE) (FOSSIL)
- latofasciatus, Bellerophon latofasciatus C.L.F. von Sandberger & C.L.F. von Sandberger, 1853 † - (BELLEROPHONTIDAE) (FOSSIL)
- latomarginata, Anodonta latomarginata I. Lea, 1834 - syn of: Anodontites ferrarisii (A.V.M.D. D'Orbigny, 1835) - (UNIONIDAE)
- latomarginatus felix, Glabaris latomarginatus felix H.A. Pilsbry, 1896 - syn of: Anodontites ferrarisii (A.V.M.D. D'Orbigny, 1835) - (MYCETOPODIDAE)
- Latomus, syn of: Genus Helicigona A.E.J. Férussac 1821 (HELICIDAE)
- Latona, Subgenus Donax (Latona) Schumacher, 1817 † (DONACIDAE) (FOSSIL)
- Latona, syn of: Genus Donax C. Linnaeus, 1758 (DONACIDAE)
- latona, Catazone latona J. Perner, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- latonae, Tropaeas latonae A. Hornung & G. Mermod, 1924 - (PYRAMIDELLIDAE)
- latonia, Strophiops latonia C.J. Maynard & W.F. Clapp, 1921 - syn of: Cerion glans H.C. Küster, 1844 - (CERIONIDAE)
- Latonia, syn of: Genus Metafruticicola H.F.A. von Ihering, 1892 (HYGROMIIDAE)
- latoniformis, Paratancredia latoniformis I. Hayami, 1972 † - (TANCREDIIDAE) (FOSSIL)
- latortuga, Volvarina latortuga G.M. Caballer, J. Espinosa & J.A. Ortea, 2009 - (MARGINELLIDAE)
- latoscrobis, Anabathron latoscrobis (C.R. Laws, 1948 †) - (ANABATHRIDAE) (FOSSIL)
- latosoleata, Alexandromenia latosoleata L. Salvini-Plawén, 1978 - (AMPHIMENIIDAE)
- latosoleata, Abavopsis latosoleata (L. Salvini-Plawén, 1973) - (PHILINOGLOSSIDAE)
- latostriata, Kallispira latostriata Heidelberger & K. Bandel, 1999 † - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- Latouchella, Genus Latouchella Cobbold, 1921 † (COREOSPIRIDAE) (FOSSIL)
- latoventer, Metoicoceras latoventer L.W. Stephenson, 1953 † - (ACANTHOCERATIDAE) (FOSSIL)
- latrania, Pinna latrania G.D. Hanna, 1926 † - (PINNIDAE) (FOSSIL)
- latreillei, Bittium latreillei B.C.M. Payraudeau, 1826 - syn of: Bittium latreillii (B.C.M. Payraudeau, 1826) - (CERITHIIDAE)
- latreillii, Bittium latreillii (B.C.M. Payraudeau, 1826) - (CERITHIIDAE)
- latreillii lineolata, Bittium latreillii lineolata P.M. Pallary, 1917 - syn of: Bittium latreillii (B.C.M. Payraudeau, 1826) - (CERITHIIDAE)
- latricus, Chiton latricus R. Winckworth, 1930 - (CHITONIDAE)
- Latriomitra, syn of: Genus Latiromitra É.A.A. Locard, 1897 (COSTELLARIIDAE)
- latro, Dreissensia latro N.I. Andrusov, 1897 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (DREISSENIDAE)
- latrobensis, Aviculopecten latrobensis Johnston, 1887 † - (AVICULOPECTINIDAE) (FOSSIL)
- latruncularia, Mitra latruncularia L.A. Reeve, 1844 - (MITRIDAE)
- latruncularia albozonata, Mitra latruncularia albozonata W.H. Turton, 1932 - (MITRIDAE)
- Latrunculus, syn of: Genus Babylonia F. Schlüter, 1838 (BABYLONIIDAE)
- Latrunculus, syn of: Genus Zemira H. Adams & A. Adams, 1853 (PSEUDOLIVIDAE)
- lattrei, Pomacea lattrei (L.A. Reeve, 1856) - (AMPULLARIIDAE)
- lattrei, Drymaeus lattrei (L. Pfeiffer, 1846) - (BULIMULIDAE)
- lattrei, Streptostyla lattrei (L. Pfeiffer) - (SPIRAXIDAE)
- lattrei chamana, Pomacea lattrei chamana (A. Hinkley, 1920) - (AMPULLARIIDAE)
- lattrei edwardsiana, Streptostyla lattrei edwardsiana J.C.H. Crosse & P.H. Fischer, 1869 - (SPIRAXIDAE)
- lattrei hiabundus, Drymaeus lattrei hiabundus E.C. Von Martens, 1893 - (BULIMULIDAE)
- latucamerum, Proendoceras latucamerum Zou, 1987 † - (PROTEROCAMEROCERATIDAE) (FOSSIL)
- latula, Gonaxis latula (E.C. Von Martens, 1895) - (STREPTAXIDAE)
- latum, Salpingostoma latum Foerste, 1924 † - (BUCANIIDAE) (FOSSIL)
- latum, Maoricardium latum I. von Born, 1780 - syn of: Maoricardium pseudolatum R.P.A. Voskuil & W.J.H. Onverwagt, 1991 - (CARDIIDAE)
- latum, Kurdiceras latum Vašicek & Kullmann, 1988 † - (CYCLOLOBIDAE) (FOSSIL)
- latum, Dentoceras latum Ruzhentsev & Shimanskiy, 1954 † - (DENTOCERATIDAE) (FOSSIL)
- latum, Fanninoceras latum McLearn, 1930 † - (EODEROCERATIDAE) (FOSSIL)
- latum, Epitonium latum L. Bozzetti, 2009 - (EPITONIIDAE)
- latum, Girtyoceras latum Ruzhentsev & Bogoslovskaya, 1971 † - (GIRTYOCERATIDAE) (FOSSIL)
- latum, Neoglyphioceras latum Kuzina & Yatskov, 1990 † - (GONIATITIDAE) (FOSSIL)
- latum, Graphoceras latum Buckman † - (GRAPHOCERATIDAE) (FOSSIL)
- latum, Domatoceras latum Shimanskiy, 1967 † - (GRYPOCERATIDAE) (FOSSIL)
- latum, olonoceras latum Dybczynski, 1913 † - syn of: Protornoceras polonicum Dybczynski, 1913 † - (KIRSOCERATIDAE) (FOSSIL)
- latum, Digenuoceras latum (Foerste, 1929 †) - (ONCOCERATIDAE) (FOSSIL)
- latum, Pachyrisma latum Boehm, 1882 † - (PACHYRISMATIDAE) (FOSSIL)
- latum, Crassiceras latum Merla, 1932 † - (PHYMATOCERATIDAE) (FOSSIL)
- latum, Platyceras latum Keyes, 1888 † - (PLATYCERATIDAE) (FOSSIL)
- latum, Chondropoma latum (J. Gundlach in L. Pfeiffer, 1858) - (POMATIIDAE)
- latum, Trocholitoceras latum Ulrich & al., 1942 † - (TROCHOLITIDAE) (FOSSIL)
- latum, Winnipegoceras latum (Troedsson, 1926 †) - (WESTONOCERATIDAE) (FOSSIL)
- latum, Westonoceras latum Troedsson, 1926 † - syn of: Winnipegoceras latum (Troedsson, 1926 †) - (WESTONOCERATIDAE) (FOSSIL)
- latum pujalsi, Chondropoma latum pujalsi C.G. Aguayo & M.L. Jaume, 1957 - (POMATIIDAE)
- latumbilicata, Dumortieria latumbilicata Geczy, 1967 † - (HILDOCERATIDAE) (FOSSIL)
- latumbilicata, Uraloclymenia latumbilicata Bogoslovsky, 1977 † - (PACHYCLYMENIIDAE) (FOSSIL)
- latumbilicatus, Sanyangites latumbilicatus Zheng & X.T. Ma, 1982 † - (ARAXOCERATIDAE) (FOSSIL)
- latumbilicatus, Metaperrinites latumbilicatus Leonova 1983 † - (PERRINITIDAE) (FOSSIL)
- latumbilicatus, Proptychites latumbilicatus Chao, 1959 † - syn of: Submeekoceras mushbachanum (White, 1879 †) - (PROPTYCHITIDAE) (FOSSIL)
- latus, Lyogyrus latus F.G. Thompson & R. Hershler, 1991 - (AMNICOLIDAE)
- latus, Striatoconulus latus J. Gründel, 2000 † - (ATAPHRIDAE) (FOSSIL)
- latus, Belemnites latus H.M.D. de Blainville, 1827 † - syn of: Duvalia lata (H.M.D. de Blainville, 1827 †) - (BELEMNITELLIDAE) (FOSSIL)
- latus, Cantharus latus J. de C. Sowerby, 1813 † - (BUCCINIDAE) (FOSSIL)
- latus, Japelion latus (W.H. Dall, 1918) - (BUCCINIDAE)
- latus, Iphinoe latus (T. Habe, 1961) - (CAPULIDAE)
- latus, Chiton latus G.B. I Sowerby, 1832 - syn of: Chiton magnificus G.P. Deshayes, 1827 - (CHITONIDAE)
- latus, Chiton latus R.T. Lowe, 1825 - syn of: Tonicella marmorea (Fabrius, 1780) - (CHITONIDAE)
- latus, Chiton latus W.E. Leach, 1852 - syn of: Tonicella rubra (C. Linnaeus, 1767) - (CHITONIDAE)
- latus, Lyrodes latus (F. Haas, 1949) - (COCHLIOPIDAE)
- latus, Crioceratites latus W.M. Gabb, 1864 † - syn of: Davouxiceras latus (W.M. Gabb, 1864 †) - (CRIOCERATITIDAE) (FOSSIL)
- latus, Chitonellus latus L. Guilding, 1829 - syn of: Choneplax lata (L. Guilding, 1829) - (CRYPTOPLACIDAE)
- latus, Cyclophorus latus (J.T. Kuroda, 1941) - (CYCLOPHORIDAE)
- latus, Davouxiceras latus (W.M. Gabb, 1864 †) - (EMERICICERATIDAE) (FOSSIL)
- latus, Euomphalus latus J.W. Hall, 1858 † - (EUOMPHALIDAE) (FOSSIL)
- latus, Glaphyrites latus Ruzhentsev & Bogoslovskaya, 1971 † - (GLAPHYRITIDAE) (FOSSIL)
- latus, Etheripecten latus (E.M. Fletcher, 1929 †) - (HETEROPECTINIDAE) (FOSSIL)
- latus, Austropyrgus latus A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- latus, Euomphalia latus (J.W. Hall1858) - (HYGROMIIDAE)
- latus, Inoceramus latus Sowerby, 1814 † - syn of: Cremnoceramus rotundatus (Fiege, 1930 †) - (INOCERAMIDAE) (FOSSIL)
- latus, Parachiton latus H. Saito, 1996 - (LEPTOCHITONIDAE)
- latus, Angelinoceras latus (Angelin, 1880 †) - (LITUITIDAE) (FOSSIL)
- latus, Costidiscus latus Rouchadze, 1933 † - (MACROSCAPHITIDAE) (FOSSIL)
- latus, Kargalites latus Leonova, 1992 † - (MARATHONITIDAE) (FOSSIL)
- latus, Tonicella latus W.E. Leach, 1852 - syn of: Tonicella rubra (C. Linnaeus, 1767) - (MOPALIIDAE)
- latus, Enixotrophon latus (B.A. Marshall & R. Houart, 2011) - (MURICIDAE)
- latus, Mytilus latus A. Nordmann, 1862 - syn of: Mytilus coruscus A.A. Gould, 1861 - (MYTILIDAE)
- latus, Mytilus latus J.B.P.A. Lamarck, 1819 - syn of: Choromytilus chorus (Molina, 1782) - (MYTILIDAE)
- latus, Choromytilus latus J.B.P.A. Lamarck, 1819 - syn of: Choromytilus chorus (Molina, 1782) - (MYTILIDAE)
- latus, Mytilus latus L.W. Dillwyn, 1817 - syn of: Perna canaliculus (J.F. Gmelin, 1791) - (MYTILIDAE)
- latus, Musculus latus E. Klein - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (MYTILIDAE)
- latus, Mytilus latus Klipstein, 1843 † - syn of: Mytilus similis Münster, 1841 † - (MYTILIDAE) (FOSSIL)
- latus, Magnicapitatus latus Pan, 1983 † - (NERITOPSIDAE) (FOSSIL)
- latus, Etalotrochus latus J. Gründel & al., 2012 † - (NODODELPHINULIDAE) (FOSSIL)
- latus, Proplanulites latus Buckman † - (PERISPHINCTIDAE) (FOSSIL)
- latus, Parapronorites latus (Karpinsky, 1889 †) - (PRONORITIDAE) (FOSSIL)
- latus, Spondylus latus (J. de C. Sowerby, 1815 †) - (SPONDYLIDAE) (FOSSIL)
- latus, Spondylus latus Klipstein, 1843 † - syn of: Hinnites obliquus Münster, 1841 † - (SPONDYLIDAE) (FOSSIL)
- latus, Persististrombus latus (J.F. Gmelin, 1791) - (STROMBIDAE)
- latus, Strombus latus J.F. Gmelin, 1791 - syn of: Persististrombus latus (J.F. Gmelin, 1791) - (STROMBIDAE)
- latus, Trapezovitus latus Valkov, 1975 † - (SULCAVITIDAE) (FOSSIL)
- latus, Symmetrocapulus latus (J. de C. Sowerby) † - (SYMMETROCAPULIDAE) (FOSSIL)
- latus, Pseudophyllites latus Marshall, 1926 † - (TETRAGONITIDAE) (FOSSIL)
- latus, Unio latus I. Lea, 1859 - syn of: Elliptio roanokensis I. Lea, 1838 - (UNIONIDAE)
- latus, Microceramus latus (J. Gundlach in L. Pfeiffer, 1863) - (UROCOPTIDAE)
- latus arenensis, Persististrombus latus arenensis (F.R. Bernard, 1982) - (STROMBIDAE)
- latus minima, Strombus latus minima F.R. Bernard, 1984 - syn of: Persististrombus latus (J.F. Gmelin, 1791) - (STROMBIDAE)
- latus portgentilensis, Persististrombus latus portgentilensis (F.R. Bernard, 1982) - (STROMBIDAE)
- Latyrus, syn of: Genus Latirus P.D. Montfort, 1810 (FASCIOLARIIDAE)
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