- lanae, Acanthochitona lanae Sirenko & Saito, 2017 - (ACANTHOCHITONIDAE)
- lanaiensis, Auriculella lanaiensis C.M. Cooke, 1915 - (ACHATINELLIDAE)
- lanaiensis, Leptachatina lanaiensis C.M. Cooke, 1911 - (AMASTRIDAE)
- lanaiensis, Cookeconcha lanaiensis (E.R. Sykes, 1896) - (ENDODONTIDAE)
- lanaiensis, Vitrea lanaiensis E.R. Sykes, 1897 - syn of: Nesovitrea lanaiensis (E.R. Sykes, 1897) - (PRISTILOMATIDAE)
- lanaiensis, Nesopupa baldwini lanaiensis C.M. Cooke & H.A. Pilsbry, 1920 - (VERTIGINIDAE)
- lanaiensis, Lyropupa rhabdota lanaiensis C.M. Cooke, 1920 - (VERTIGINIDAE)
- lanaiensis, Nesovitrea lanaiensis (E.R. Sykes, 1897) - (ZONITIDAE)
- lananensis, Fusconaia lananensis L.S. Frierson, 1901 - (UNIONIDAE)
- lanaonis, Taia lanaonis (P. Bartsch, 1907) - (VIVIPARIDAE)
- lanaonis alpha, Taia lanaonis alpha (P. Bartsch, 1907) - (VIVIPARIDAE)
- lanaonis beta, Taia lanaonis beta (P. Bartsch, 1907) - (VIVIPARIDAE)
- lanaonis kappa, Taia lanaonis kappa (P. Bartsch, 1907) - (VIVIPARIDAE)
- lanaonis lambda, Taia lanaonis lambda (P. Bartsch, 1907) - (VIVIPARIDAE)
- Lanascala, Genus Lanascala Bandel, 1992 (LANASCALIDAE) (FOSSIL)
- LANASCALIDAE Bandel, 1992 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-CERITHIOIDEA [Superfamily]) (FOSSIL)
- lanassae, Tropaeas lanassae A. Hornung & G. Mermod, 1924 - (PYRAMIDELLIDAE)
- lanata, Torellia lanata A. Warén, J.P. Arnaud & J.R. Cantera, 1986 - (CAPULIDAE)
- lanata, Ciliatovelutina lanata (K.M. Derjugin, 1950) - (VELUTINIDAE)
- lancangensis, Hubendickia lancangensis (Y.Y. Liu, Y.X. Wang & W.Z. Zhang, 1980) - (POMATIOPSIDAE)
- lancaraensis, Protowenella lancaraensis Wotte, 2006 † - (HELCIONELLIDAE) (FOSSIL)
- lancasteri, Pseudiberus lancasteri (G.P.L.K. Gude, 1919) - (BRADYBAENIDAE)
- lancea, Dolicholatirus lancea (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- lancea, Leucosyrinx lancea Y.C. Lee, 2001 - (PSEUDOMELATOMIDAE)
- Lancea, syn of: Genus Turbonilla A. Risso, 1826 (PYRAMIDELLIDAE)
- Lancea, syn of: Genus Turbonilla A. Risso, 1826 (PYRAMIDELLIDAE)
- lancea, Stenomelania lancea (I. Lea, 1850) - (THIARIDAE)
- lanceata, Leiostraca lanceata (A. Adams, 1861) - (EULIMIDAE)
- lanceata, Eulima lanceata A. Adams, 1861 - syn of: Leiostraca lanceata (A. Adams, 1861) - (EULIMIDAE)
- lanceata, Syrnola lanceata A. Peñas, E. Rolán & F. Swinnen, 2014 - (PYRAMIDELLIDAE)
- lanceata, Chemnitzia lanceata Stoppani, 1858 † - syn of: Toxoconcha brocchi Stoppani, 1857 † - (PYRAMIDELLIDAE) (FOSSIL)
- lanceata, Gymnobela lanceata W.H. Dall, 1927 - (RAPHITOMIDAE)
- lanceata, Hastula lanceata (C. Linnaeus, 1767) - (TEREBRIDAE)
- lanceata, Terebra lanceata L.A. Reeve, 1860 - (TEREBRIDAE)
- lanceata oahuensis, Terebra lanceata oahuensis H.A. Pilsbry, 1921 - syn of: Hastula lanceata (C. Linnaeus, 1767) - (TEREBRIDAE)
- lanceatum, Buccinum lanceatum C. Linnaeus, 1767 - syn of: Hastula lanceata (C. Linnaeus, 1767) - (BUCCINIDAE)
- lancedellia, Acteonina lancedellia K. Bandel, 1994 † - (ACTEONINIDAE) (FOSSIL)
- Lancedellia, Genus Lancedellia Bandel , 1991 (LANCEDELLIIDAE) (FOSSIL)
- lancedellii, Azyga lancedellii A. Nützel, 1998 † - (ZYGOPLEURIDAE) (FOSSIL)
- LANCEDELLIIDAE Bandel, 2009 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-PLEUROTOMARIOIDEA [Superfamily]) (FOSSIL)
- Lancedellopsis, Genus Lancedellopsis Bandel, 2007 (SCALANERITINIDAE) (FOSSIL)
- lancei, Montereina lancei (S.V. Millen & H.W. Bertsch, 2000) - (DISCODORIDIDAE)
- lancei, Doto lancei Er. Marcus & Ev. Marcus, 1967 - (DOTIDAE)
- lancelevei, Bythinella lancelevei É.A.A. Locard, 1884 - (BYTHINELLIDAE)
- lancelevei, Unio lancelevei É.A.A. Locard, 1893 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- Lancella, syn of: Genus Turbonilla A. Risso, 1826 (PYRAMIDELLIDAE)
- lancemilnei, Notoplax lancemilnei K.L. Gowlett-Holmes, 1988 - (ACANTHOCHITONIDAE)
- lanceola, Dolicholatirus lanceola L.A. Reeve, 1847 - syn of: Dolicholatirus lancea (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- Lanceolaria, Genus Lanceolaria T.A. Conrad, 1853 (UNIONIDAE)
- lanceolata, Lamellidea lanceolata H.A. Pilsbry & C.M. Cooke, 1915 - (ACHATINELLIDAE)
- lanceolata, Leptachatina lanceolata C.M. Cooke, 1911 - (AMASTRIDAE)
- lanceolata, Ancilla lanceolata R. Tate, 1889 † - (ANCILLARIIDAE) (FOSSIL)
- lanceolata, Amalda lanceolata T. Ninomiya, 1991 - syn of: Amalda petterdi (R. Tate, 1893) - (ANCILLARIIDAE)
- lanceolata, Ancillaria lanceolata E.C. Von Martens, 1901 - syn of: Turrancilla akontistes (R.N. Kilburn, 1980) - (ANCILLARIIDAE)
- lanceolata, Scaphula lanceolata F.W. Hutton, 1885 - syn of: Poroleda lanceolata (F.W. Hutton, 1885) - (ARCIDAE)
- lanceolata, Australotheca lanceolata (Morris, 1845 †) - (AUSTRALOTHECIDAE) (FOSSIL)
- lanceolata, Gervillella lanceolata (Münster, 1826 †) - (BAKEVELLIIDAE) (FOSSIL)
- lanceolata, Belemnitella lanceolata (von Schlotheim, 1813 †) - (BELEMNITELLIDAE) (FOSSIL)
- lanceolata, Belemnella lanceolata von Schlotheim, 1813 † - syn of: Belemnitella lanceolata (von Schlotheim, 1813 †) - (BELEMNITIDA (unassigned)) (FOSSIL)
- lanceolata, Engina lanceolata (J.T. Kuroda & T. Habe, 1971) - (BUCCINIDAE)
- lanceolata, Canefriula lanceolata (E.A. Smith, 1897) - (CAMAENIDAE)
- lanceolata, Papuina lanceolata L. Pfeiffer, 1862 - (CAMAENIDAE)
- lanceolata, Tritonoharpa lanceolata (K.T. Menke, 1828) - (CANCELLARIIDAE)
- lanceolata, Cavolinia lanceolata C.A. Lesueur, 1813 - syn of: Clio pyramidata lanceolata (C.A. Lesueur, 1813) - (CAVOLINIIDAE)
- lanceolata, Tubercliopsis lanceolata A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- lanceolata, Clio pyramidata lanceolata (C.A. Lesueur, 1813) - (CLIIDAE)
- lanceolata, Colubraria lanceolata K.T. Menke, 1828 - syn of: Tritonoharpa lanceolata (K.T. Menke, 1828) - (COLUBRARIIDAE)
- lanceolata, Mitrella lanceolata (É.A.A. Locard, 1886) - (COLUMBELLIDAE)
- lanceolata, Strombina lanceolata (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- lanceolata, Nitidella lanceolata R.P.J. Hervier, 1899 - syn of: Pardalinops testudinaria (J.H.F. Link, 1807) - (COLUMBELLIDAE)
- lanceolata, Costellaria lanceolata R.P.J. Hervier, 1897 - syn of: Vexillum costatum (J.F. Gmelin, 1791) - (COSTELLARIIDAE)
- lanceolata, Donax lanceolata G.P. Deshayes † - (DONACIDAE) (FOSSIL)
- lanceolata, Globidrillia lanceolata B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (DRILLIIDAE) (FOSSIL)
- lanceolata, Eglisia lanceolata L.A. Reeve, 1865 - (EPITONIIDAE)
- lanceolata, Acirsa lanceolata (G.B. Brocchi, 1814 †) - (EPITONIIDAE) (FOSSIL)
- lanceolata, Eglisia lanceolata T. Habe & S. Kosuge, 1974 - syn of: Eglisia brunnea T. Habe & S. Kosuge, 1966 - (EPITONIIDAE)
- lanceolata, Benimakia lanceolata (L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- lanceolata, Ferussacia lanceolata J.R. Bourguignat, 1864 - syn of: Ferussacia folliculus (J.S. Schröter, 1784) - (FERUSSACIIDAE)
- lanceolata, Fissurella lanceolata G.B. II Sowerby, 1862 † - syn of: Diodora corbicula (G.B. II Sowerby, 1862) - (FISSURELLIDAE) (FOSSIL)
- lanceolata, Hyolithes lanceolata Morris, 1845 † - syn of: Australotheca lanceolata (Morris, 1845 †) - (HYOLITHIDAE) (FOSSIL)
- lanceolata, Limopsis lanceolata P.G. Oliver & J.A. Allen, 1980 - (LIMOPSIDAE)
- lanceolata, Resania lanceolata J.E. Gray, 1853 - (MACTRIDAE)
- lanceolata, Ithycythara lanceolata (C.B. Adams, 1850) - (MANGELIIDAE)
- lanceolata, Melanopsis lanceolata M. von Neumayr, 1875 † - (MELANOPSIDAE) (FOSSIL)
- lanceolata, Atactodea lanceolata (L.A. Reeve, 1854) - (MESODESMATIDAE)
- lanceolata, Nakamuranaia lanceolata Ding, 1982 † - (NAKAMURANAIADIDAE) (FOSSIL)
- lanceolata, Adrana lanceolata (Sowerby, 1817) - (NUCULANIDAE)
- lanceolata, Poroleda lanceolata (F.W. Hutton, 1885) - (NUCULANIDAE)
- lanceolata, Nuculana lanceolata Sowerby, 1817 - syn of: Adrana lanceolata (Sowerby, 1817) - (NUCULANIDAE)
- lanceolata, Nucula lanceolata D'Orbigny, 1842 - syn of: Adrana patagonica (A.V.M.D. D'Orbigny, 1845) - (NUCULIDAE)
- lanceolata, Nucula lanceolata J.B.P.A. Lamarck, 1819 - syn of: Adrana electa Adams, 1858 - (NUCULIDAE)
- lanceolata, Olivella lanceolata (L.A. Reeve, 1850) - (OLIVELLIDAE)
- lanceolata, Aclyvolva lanceolata (G.B. II Sowerby, 1848) - (OVULIDAE)
- lanceolata, Neosimnia lanceolata J.K. Allan, 1956 - syn of: Phenacovolva rosea (A. Adams, 1854) - (OVULIDAE)
- lanceolata, Cyrtopleura lanceolata (A.V.M.D. D'Orbigny, 1841) - (PHOLADIDAE)
- lanceolata, Phylliroe lanceolata L.S.R. Bergh, 1873 - (PHYLLIROIDAE)
- lanceolata, Pinna lanceolata G.B. I Sowerby, 1835 - syn of: Atrina maura (Sowerby, 1833) - (PINNIDAE)
- lanceolata, Ptychobela lanceolata (L.A. Reeve, 1845) - (PSEUDOMELATOMIDAE)
- lanceolata, Eulimella lanceolata A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- lanceolata, Ranella lanceolata K.T. Menke, 1828 - syn of: Tritonoharpa lanceolata (K.T. Menke, 1828) - (RANELLIDAE)
- lanceolata, Laeviglandina lanceolata (E.C. Von Martens, 1891) - (SPIRAXIDAE)
- lanceolata, Euonyma lanceolata (L. Pfeiffer, 1854) - (SUBULINIDAE)
- lanceolata, Potamopyrgus lanceolata G. Cherbonnier, 1952 - syn of: Potamopyrgus antipodarum (J.E. Gray, 1843) - (TATEIDAE)
- lanceolata, Tellina lanceolata J.F. Gmelin, 1791 - (TELLINIDAE)
- lanceolata, Teredo lanceolata C.E. von Moll, 1937 - syn of: Teredothyra smithi (P. Bartsch, 1927) - (TEREDINIDAE)
- lanceolata, Teredothyra lanceolata C.E. von Moll, 1937 - syn of: Teredothyra smithi (P. Bartsch, 1927) - (TEREDINIDAE)
- lanceolata, Tridacna lanceolata G.B. II Sowerby, 1884 - syn of: Tridacna maxima (P.F. Röding, 1798) - (TRIDACNIDAE)
- lanceolata, Inella lanceolata S. Kosuge, 1962 - (TRIPHORIDAE)
- lanceolata, Turbinella lanceolata L.A. Reeve, 1847 - syn of: Benimakia lanceolata (L.A. Reeve, 1847) - (TURBINELLIDAE)
- lanceolata, Pleurotoma lanceolata L.H. Hupé, 1854 † - syn of: Leptosurcula burtoni (H.I. Tucker & J. Le Renard †) - (TURRIDAE) (FOSSIL)
- lanceolata, Elliptio lanceolata I. Lea, 1827 - (UNIONIDAE)
- lanceolata, Arconaia lanceolata (I. Lea, 1856) - (UNIONIDAE)
- lanceolata, Anodonta lanceolata H. Drouët, 1893 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- lanceolata brunnea, Eglisia lanceolata brunnea T. Habe & S. Kosuge, 1974 - syn of: Eglisia brunnea T. Habe & S. Kosuge, 1966 - (EPITONIIDAE)
- lanceolatum, Rectilabrum lanceolatum P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- lanceolatum, Ovula lanceolatum G.B. II Sowerby, 1848 - syn of: Aclyvolva lanceolata (G.B. II Sowerby, 1848) - (OVULIDAE)
- lanceolatum, Terebellopsis lanceolatum A.E.M. Cossmann & G. Pissarro, 1909 † - (ROSTELLARIIDAE) (FOSSIL)
- lanceolatus, Cultriopsis lanceolatus (Sowerby, 1826 †) - (BAKEVELLIIDAE) (FOSSIL)
- lanceolatus, Dyris lanceolatus Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- lanceolatus, Hyolithes lanceolatus Morris, 1845 † - syn of: Australotheca lanceolata (Morris, 1845 †) - (HYOLITHIDAE) (FOSSIL)
- lanceolatus, Enatimene lanceolatus R. Houart, 2004 - (MURICIDAE)
- lanceolatus, Inquisitor lanceolatus (L.H. Hupé, 1854 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- lanceolatus, Pseudozygopleura lanceolatus Hoare & Sturgeon, 1981 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- lanceolatus, Wuxuanites lanceolatus Pojeta & al. 1986 † - (PTERIIDA (UNASSIGNED)) (FOSSIL)
- Lanceolites, Genus Lanceolites Hyatt & Smith, 1905 (LANCEOLITIDAE) (FOSSIL)
- LANCEOLITIDAE Spath, 1934 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-NORITOIDEA [Superfamily]) (FOSSIL)
- Lanceoloboceras, Genus Lanceoloboceras Zhao , 1977 (PSEUDOHALORITIDAE) (FOSSIL)
- Lanceoptychites, Genus Lanceoptychites Balini , 1998 (PTYCHITIDAE) (FOSSIL)
- lancerottensis, Xerotricha lancerottensis (P.B. Webb & S. Berthelot, 1833) - (HYGROMIIDAE)
- lanceta, Nuculana lanceta (P.H. Boshoff, 1968) - (NUCULANIDAE)
- lanceta, Propeleda lanceta P.H. Boshoff, 1968 - syn of: Nuculana lanceta (P.H. Boshoff, 1968) - (NUCULANIDAE)
- lanceum, Peristoma lanceum A.A. Schileyko, 1984 - (ENIDAE)
- lancevelei, Bythinella lancevelei É.A.A. Locard, 1894 - (BYTHINELLIDAE)
- lancha, Exogyra lancha Stoyanow, 1949 † - (GRYPHAEIDAE) (FOSSIL)
- lanciae, Alvania lanciae (P. Calcara, 1845) - (RISSOIDAE)
- lanciae tesselata, Alvania lanciae tesselata (G. Schwartz & H.C. Weinkauff, 1866) - (RISSOIDAE)
- lancides, Fisherola nuttalli lancides H.B. Hannibal, 1912 - (LYMNAEIDAE)
- Lanciella, syn of: Genus Alvania A. Risso, 1826 (RISSOIDAE)
- lanciformis, Dicricoconus lanciformis (Lyashenko, 1959 †) - (DICRICOCONIDAE) (FOSSIL)
- lanciformis, Rossiites lanciformis (Lyashenko, 1980 †) - (ROSSIITIDAE) (FOSSIL)
- lancula, Ampelita lancula (A.E.J. Férussac, 1821) - (ACAVIDAE)
- landanensis, Cimomia landanensis Vincent, 1913 † - (HERCOGLOSSIDAE) (FOSSIL)
- landaui, Septa landaui A.G. Beu, 2010 † - (RANELLIDAE) (FOSSIL)
- landaui, Rissoina landaui (M. Harzhauser, 2014 †) - (RISSOINIDAE) (FOSSIL)
- landaui, Cymenorytis landaui M. Sosso, Angelo & A. Bonfitto, 2013 † - (VANIKORIDAE) (FOSSIL)
- landbecki, Turritella landbecki R.A. Philippi, 1887 † - (TURRITELLIDAE) (FOSSIL)
- landerense, Cyrtogomphoceras landerense Foerste, 1935 † - (CYRTOGOMPHOCERATIDAE) (FOSSIL)
- landerensis, Monotis landerensis R.M. Branson, 1930 † - syn of: Leptochondria curtocardinalis (J.W. Hall & R.P. Whitfield, 1877 †) - (MONOTIDAE) (FOSSIL)
- landeri, Bistolida landeri F.A. Schilder & R.J. Griffiths, 1962 - syn of: Bistolida kieneri depriesteri F.A. Schilder, 1933 - (CYPRAEIDAE)
- Landeroceras, Genus Landeroceras Foerste, 1935 (CYRTOGOMPHOCERATIDAE) (FOSSIL)
- landeroini, Pisidium landeroini J. Germain, 1909 - syn of: Pisidium subtruncatum A.W. Malm, 1855 - (SPHAERIIDAE)
- landersi, Turbonilla landersi A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- landesi, Barbatia landesi (C.S. Weaver & K.V.W. Palmer, 1922 †) - (ARCIDAE) (FOSSIL)
- landesi, Antillophos landesi E.S. Marks, 1951 † - (NASSARIIDAE) (FOSSIL)
- landesi, Hoploscaphites landesi Riccardi, 1983 † - (SCAPHITIDAE) (FOSSIL)
- landesiana, Stigmaulax landesiana A.A. Olsson, 1964 † - (NATICIDAE) (FOSSIL)
- landeyranensis, Tolmachovia landeyranensis Babin & al., 1982 † - (ISCHYRINIIDAE) (FOSSIL)
- landgrebii, Natica landgrebii Klipstein, 1843 † - syn of: Neritaria plicatilis (Klipstein, 1843 †) - (NATICIDAE) (FOSSIL)
- landinensis, Crassatella landinensis P. Nyst, 1843 † - (CRASSATELLIDAE) (FOSSIL)
- Landinia, syn of: Genus Crassatella J.B.P.A. Lamarck, 1799 (CRASSATELLIDAE)
- landinii, Tricolia landinii C. Bogi & E. Campani, 2007 - (PHASIANELLIDAE)
- landisi, Paracompsoceras landisi Cobban, 1971 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Landouria, Genus Landouria H.H. Godwin-Austen, 1918 (CAMAENIDAE)
- landreauensis, Nassarius landreauensis F. Van Dingenen, L. Ceulemans & al., 2015 † - (NASSARIIDAE) (FOSSIL)
- landreauensis, Microgaza landreauensis B.M. Landau, L. Ceulemans & F. Van Dingenen, 2016 † - (SOLARIELLIDAE) (FOSSIL)
- landrioti, Epophioceras landrioti (A.V.M.D. D'Orbigny, 1849 †) - (ARIETITIDAE) (FOSSIL)
- landsburghii, Facelina landsburghii J. Alder & A. Hancock, 1846 - syn of: Facelina quatrefagesi A.J.B.M. Vayssière, 1888 - (FACELINIDAE)
- landsburgi, Palliolum landsburgi J. Smith, 1839 - syn of: Palliolum striatum (O.F. Müller, 1776) - (PECTINIDAE)
- landsburgii, Coryphella landsburgii (J. Alder & A. Hancock, 1848) - (FLABELLINIDAE)
- landuensis, Prohungarites landuensis Guex, 1978 † - (SIBIRITIDAE) (FOSSIL)
- landyei, Coahuilix landyei R. Hershler, 1985 - (COCHLIOPIDAE)
- landyei, Pyrgulopsis landyei R. Hershler, 1998 - (HYDROBIIDAE)
- laneensis, Fissidentalium laneensis C.J.S. Hickman, 1969 † - (DENTALIIDAE) (FOSSIL)
- langae, Turbonilla langae (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- langaleta, Agardhiella langaleta P. Subai, 2011 - (ARGNIDAE)
- langanensis, Trochus langanensis Moore † - (TROCHIDAE) (FOSSIL)
- langdaiense, Rotodiscoceras langdaiense Zheng, 1981 † - (PLEURONODOCERATIDAE) (FOSSIL)
- langdaiensis, Aviculopecten langdaiensis F.S. Xu, 1980 † - syn of: Aviculopecten yunnanensis H. Guo, 1985 † - (AVICULOPECTINIDAE) (FOSSIL)
- langdaiensis, Yangites langdaiensis (Wang, 1983 †) - (CERATITIDAE) (FOSSIL)
- langdoni, Scaphander langdoni W.H. Dall, 1896 † - (SCAPHANDRIDAE) (FOSSIL)
- langdoni, Strioterebrum langdoni (W.H. Dall, 1896 †) - (TEREBRIDAE) (FOSSIL)
- langdoni, Mercenaria langdoni W.H. Dall, 1900 † - (VENERIDAE) (FOSSIL)
- langdorffi, Radix langdorffi J.R. Bourguignat, 1880 - syn of: Radix labiata (E.A. Rossmässler, 1835) - (LYMNAEIDAE)
- langei, Runcina langei R.L. Schmekel & D. Cappellato, 2001 - (RUNCINIDAE)
- langenheimi, Arceodomus langenheimi (R.B. Wilson, 1970 †) - (CONOCARDIIDAE) (FOSSIL)
- langenheimi, Conocardium langenheimi Wilson, 1970 † - syn of: Arceodomus langenheimi (R.B. Wilson, 1970 †) - (CONOCARDIIDAE) (FOSSIL)
- langfordi, Austrasiatica langfordi (J.T. Kuroda, 1938) - (CYPRAEIDAE)
- langfordi, Nesiocypraea langfordi J.T. Kuroda, 1938 - syn of: Austrasiatica langfordi (J.T. Kuroda, 1938) - (CYPRAEIDAE)
- langfordi, Eulitoma langfordi (W.H. Dall, 1925) - (EULIMIDAE)
- langfordi, Fustiaria langfordi (T. Habe, 1963) - (FUSTIARIIDAE)
- langfordi, Laevidentalium langfordi T. Habe, 1963 - syn of: Fustiaria langfordi (T. Habe, 1963) - (LAEVIDENTALIIDAE)
- langfordi, Lotia langfordi W.H. Dall, 1926 - syn of: Liotinaria scalarioides (L.A. Reeve, 1843) - (LIOTIIDAE)
- langfordi, Lottia langfordi (T. Habe, 1944) - (LOTTIIDAE)
- langfordi, Domiporta langfordi H.A. Pilsbry, 1920, 1921 - syn of: Domiporta granatina (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- langfordi, Partula langfordi Y. Kondo, 1970 - (PARTULIDAE)
- langfordi, Bractechlamys langfordi (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (PECTINIDAE)
- langfordi, Terebra langfordi H.A. Pilsbry, 1921 - syn of: Terebra funiculata R.B. Hinds, 1844 - (TEREBRIDAE)
- langfordi, Sunetta langfordi (T. Habe, 1953) - (VENERIDAE)
- langfordi, Timoclea langfordi (J.T. Kuroda, 1945) - (VENERIDAE)
- langfordi angustior, Terebra langfordi angustior H.A. Pilsbry, 1921 - syn of: Terebra funiculata R.B. Hinds, 1844 - (TEREBRIDAE)
- langfordi cavatoensis, Austrasiatica langfordi cavatoensis (F.Jr. Lorenz, 2002) - (CYPRAEIDAE)
- langfordi cavatoensis, Nesiocypraea langfordi cavatoensis F.Jr. Lorenz, 2002 - syn of: Austrasiatica langfordi cavatoensis (F.Jr. Lorenz, 2002) - (CYPRAEIDAE)
- langfordi moretonensis, Austrasiatica langfordi moretonensis (F.A. Schilder, 1965) - (CYPRAEIDAE)
- Langfordia, syn of: Genus Latiaxis W.J. Swainson, 1840 (MURICIDAE)
- langfordiana, Neocancilla papilio langfordiana (J.M. Cate, 1962) - (MITRIDAE)
- Langfordiella, syn of: Genus Placiphorella W.H. Dall, 1879 (MOPALIIDAE)
- langhiana, Exesilla langhiana E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- langhofferi, Helicodonta langhofferi A.J. Wagner, 1912 - syn of: Helicodonta laughofferi A.J. Wagner, 1912 - (HELICODONTIDAE)
- langhofferi, Iglica langhofferi A.J. Wagner, 1928 - (HYDROBIIDAE)
- langhofferi, Provalenciennesia langhofferi (Gorjanovic-Kramberger, 1901 †) - (LYMNAEIDAE) (FOSSIL)
- langhofferi, Melanopsis langhofferi P.S. Pavlovic, 1927 † - (MELANOPSIDAE) (FOSSIL)
- langi, Lanistes langi H.A. Pilsbry & J.C. Bequaert, 1927 - (AMPULLARIIDAE)
- langi, Mutela langi H.A. Pilsbry & J.C. Bequaert, 1927 - (IRIDINIDAE)
- langi, Thais langi W.J. Clench & H. Turner, 1948 - syn of: Thaisella forbesii (R.W. Dunker, 1853) - (MURICIDAE)
- langi, Taramelliceras langi (de Loriol, 1898 †) - (OPPELIIDAE) (FOSSIL)
- langi, Gemininodosa langi Cook & Camilleri, 1997 † - (ORIOSTOMATIDAE) (FOSSIL)
- langi, Carpathica langi (L. Pfeiffer, 1848) - (OXYCHILIDAE)
- langi, Cleopatra langi H.A. Pilsbry & C.E. Beecher, 1927 - (PALUDOMIDAE)
- langi, Proneomenia langi H.R. Simroth, 1893 - syn of: Proneomenia sluiteri A.A.W. Hubrecht, 1880 - (PRONEOMENIIDAE)
- langi, Subulona langi (H.A. Pilsbry) - (SUBULINIDAE)
- langi, Curvella langi H.A. Pilsbry, 1919 - (SUBULINIDAE)
- langi, Melanoides langi H.A. Pilsbry & C.E. Beecher, 1927 - (THIARIDAE)
- langi, Toxeumorphora langi (Shimansky, 1962 †) - (TOXEUMORPHORIDAE) (FOSSIL)
- langi, Prostacheoceras langi Termier & Termier, 1970 † - (VIDRIOCERATIDAE) (FOSSIL)
- langkawiense, Ormoceras langkawiense Kobayashi, 1959 † - syn of: Sibumasuoceras langkawiense (Kobayashi, 1959 †) - (ORMOCERATIDAE) (FOSSIL)
- langkawiense, Sibumasuoceras langkawiense (Kobayashi, 1959 †) - (PSEUDORTHOCERATIDAE) (FOSSIL)
- langlassei, Architectonica langlassei L.J. Morlet, 1885 † - (ARCHITECTONICIDAE) (FOSSIL)
- langlassei, Ringicula langlassei L.J. Morlet, 1882 † - (RINGICULIDAE) (FOSSIL)
- langleitae, Haustellum langleitae R. Houart, 1993 - (MURICIDAE)
- langleyana, Helix langleyana J.W. Brazier, 1875 - syn of: Stenacapha hamiltoni (J.C. Cox, 1868) - (HELICIDAE)
- langleyana, Rhytida langleyana J.W. Brazier, 1875 - syn of: Stenacapha hamiltoni (J.C. Cox, 1868) - (RHYTIDIDAE)
- langleyanum, Pisidium langleyanum J.C. Melvill & J.H. Ponsonby, 1891 - (SPHAERIIDAE)
- langleyi, Pyrene langleyi G.B. III Sowerby, 1897 - syn of: Decipifus consanguineus (G.B. III Sowerby, 1897) - (COLUMBELLIDAE)
- langleyi, Columbella langleyi G.B. III Sowerby, 1897 - syn of: Decipifus consanguineus langleyi (G.B. III Sowerby, 1897) - (COLUMBELLIDAE)
- langleyi, Decipifus consanguineus langleyi (G.B. III Sowerby, 1897) - (COLUMBELLIDAE)
- langleyi, Eulima langleyi G.B. III Sowerby, 1892 - (EULIMIDAE)
- langleyi, Marginella langleyi G.B. III Sowerby, 1892 - syn of: Marginella mosaica G.B. II Sowerby, 1846 - (MARGINELLIDAE)
- langloisiana, Xerocrassa langloisiana (J.R. Bourguignat, 1853) - (HYGROMIIDAE)
- langloisiana hierocontina, Xerocrassa langloisiana hierocontina (C.A. Westerlund, 1889) - (HYGROMIIDAE)
- langobardica, Andraea langobardica N. Pini, 1883 - syn of: Andraea dubia J.P.R. Draparnaud, 1805 - (CLAUSILIIDAE)
- langostera, Gibberula langostera J. Espinosa & J.A. Ortea, 2007 - (CYSTISCIDAE)
- langrunensis, Coelopis langrunensis Bigot, 1894 † - (ASTARTIDAE) (FOSSIL)
- langrunensis, Trigonia langrunensis Bigot, 1893 † - (TRIGONIIDAE) (FOSSIL)
- langsdorfi, Novovaginula langsdorfi (A.E.J. Férussac, 1821) - (VERONICELLIDAE)
- Langsonella, Genus Langsonella Patte, 1926 (PTERIOIDEA (UNASSIGNED)) (FOSSIL)
- langsonense, Glyptophiceras langsonense Vu Khuc, 1984 † - syn of: Preflorianites radians Chao, 1959 † - (KASHMIRITIDAE) (FOSSIL)
- langsonensis, Neocepolis langsonensis (A.R.J.B. Bavay & P. Dautzenberg, 1899) - (CAMAENIDAE)
- langsonensis, Crittendenia langsonensis Komatsu & N.T. Dang, 2013 † - (CLARAIIDAE) (FOSSIL)
- langsonensis, Helix langsonensis A.R.J.B. Bavay & P. Dautzenberg, 1899 - syn of: Neocepolis langsonensis (A.R.J.B. Bavay & P. Dautzenberg, 1899) - (HELICIDAE)
- langsonensis, Goudemandites langsonensis Y. Shigeta & Nguyen, 2014 † - (PALAEOPHYLLITIDAE) (FOSSIL)
- langsonensis depressascrobiculata, Neocepolis langsonensis depressascrobiculata P. Dautzenberg & H. Fischer, 1908 - (CAMAENIDAE)
- langtonensis, Bathonella langtonensis W.H. Hudleston, 1896 † - syn of: Bathonella scotica (R. Tate †) - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- languedociana, Thoralia languedociana (Thoral, 1935 †) - (THORALIIDAE) (FOSSIL)
- languedociana, Miquelana languedociana Thoral, 1935 † - syn of: Thoralia languedociana (Thoral, 1935 †) - (THORALIIDAE) (FOSSIL)
- languida, Clathurella languida (L.A. Reeve, 1845) - (CLATHURELLIDAE)
- languida, Dendrodoris languida A. Pruvot-Fol, 1951 - (DENDRODORIDIDAE)
- languida, Tellina languida E.A. Smith, 1885 - (TELLINIDAE)
- languides, Leptostrigites languides Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- languidum, Strigoceras languidum (S.S. Buckman, 1924 †) - (STRIGOCERATIDAE) (FOSSIL)
- languiensis, Heleobia languiensis (H. Hass, 1955) - (COCHLIOPIDAE)
- languilati, Lepidodesma languilati (P.M. Heude, 1874) - (UNIONIDAE)
- languinosa, Ramogenia languinosa (G.P.L.K. Gude, 1907) - (CAMAENIDAE)
- Langvophorus, Genus Langvophorus Vu-Khuc, 1977 (TRAPEZIDAE) (FOSSIL)
- lani, Babylonia areolata lani E. Gittenberger & J. Goud, 2003 - (BABYLONIIDAE)
- lani, Profundiconus lani (P.R. Crandall, 1979) - (CONIDAE)
- lani, Luria tessellata lani G. Raybaudi Massilia, 1986 - (CYPRAEIDAE)
- lani, Scabrotrophon lani R. Houart & W.K.C. Sun, 2004 - (MURICIDAE)
- lani, Chicomurex lani R. Houart, Moe & C. Chen, 2014 - (MURICIDAE)
- lanieri, Cardiomya lanieri (A.M. Strong & L.G. Hertlein, 1937) - (CUSPIDARIIDAE)
- laniger, Lithophaga laniger L.A. Reeve, 1858 - syn of: Gregariella barbata (L.A. Reeve, 1858) - (MYTILIDAE)
- laniger, Gregariella laniger L.A. Reeve, 1858 - syn of: Gregariella barbata (L.A. Reeve, 1858) - (MYTILIDAE)
- lanigera, Ciliatovelutina lanigera (H.P.C. Møller, 1842) - (VELUTINIDAE)
- Lanilda, syn of: Genus Spondylus C. Linnaeus, 1758 (SPONDYLIDAE)
- laninifia, Gulella laninifia K.C. Emberton, 2002 - (STREPTAXIDAE)
- Laniogerus, syn of: Genus Glaucus F. Forster, 1777 (GLAUCIDAE)
- Laniscala, syn of: Genus Cirsotrema O.A.L. Mφrch, 1852 (EPITONIIDAE)
- Lanistes, Genus Lanistes P.D. Montfort, 1810 (AMPULLARIIDAE)
- Lanistina, syn of: Genus Musculus P.F. Rφding, 1798 (MYTILIDAE)
- Lanistria, syn of: Genus Musculus P.F. Rφding, 1798 (MYTILIDAE)
- lankae, Magilus lankae Deraniyagala, 1968 - syn of: Magilus antiquus P.D. Montfort, 1810 - (MURICIDAE)
- lankaensis, Euplecta lankaensis H.B. Preston, 1909 - (ARIOPHANTIDAE)
- lankaensis, Nicida lankaensis (H.B. Preston, 1905) - (DIPLOMMATINIDAE)
- lankaensis, Rissoina lankaensis H.B. Preston, 1905 - syn of: Rissoina antoni G. Schwartz, 1860 - (RISSOINIDAE)
- lankana, Glessula lankana H.A. Pilsbry, 1908 - (SUBULINIDAE)
- lannumi, Prodotia lannumi J.S. Schwengel, 1950 - (BUCCINIDAE)
- lanonglaensis, Newaagia lanonglaensis Yin & McRoberts, 2006 † - (TERQUEMIIDAE) (FOSSIL)
- lanosa, Canariella lanosa A.E.J. Férussac, 1835 - syn of: Canariella hispidula (J.B.P.A. Lamarck, 1822) - (CANARIELLIDAE)
- lanotensis, Eulimella lanotensis P. Lozouet, 1998 † - (PYRAMIDELLIDAE) (FOSSIL)
- lanotensis, Rissoina lanotensis P. Lozouet, 2011 † - (RISSOINIDAE) (FOSSIL)
- lanpingensis, Gervillia lanpingensis C. Chen, 1976 † - (MYALINIDAE) (FOSSIL)
- lanpingensis, Tibetites lanpingensis Liang, 1977 † - (TIBETITIDAE) (FOSSIL)
- Lanpingoceras, Genus Lanpingoceras Liang , 1977 (TIBETITIDAE) (FOSSIL)
- lansbergisi, Afer lansbergisi A. Delsaerdt, 1993 - (BUCCINIDAE)
- lansingi, Pristiloma lansingi (T.B. Bland, 1875) - (PRISTILOMATIDAE)
- Lantauia, Genus Lantauia W.F. Ponder, 1994 (IRAVADIIDAE)
- lantenoisi, Ganesella lantenoisi P. Dautzenberg & H. Fischer, 1906 - (CAMAENIDAE)
- lantenoisi, Hemiphaedusa lantenoisi P. Dautzenberg & H. Fischer, 1905 - (CLAUSILIIDAE)
- lantenoisi, Worthenia lantenoisi Mansuy, 1913 † - (LOPHOSPIRIDAE) (FOSSIL)
- lantenoisi, Protostylus lantenoisi Mansuy, 1914 † - (PROCERITHIIDAE) (FOSSIL)
- lanterna, Apotocardium lanterna (R.M. Branson, 1965 †) - (BRANSONIIDAE) (FOSSIL)
- lanterna, Pseudoconocardium lanterna R.M. Branson, 1965 † - syn of: Apotocardium lanterna (R.M. Branson, 1965 †) - (BRANSONIIDAE) (FOSSIL)
- lanterna, Conocardium lanterna R.M. Branson, 1965 † - syn of: Apotocardium lanterna (R.M. Branson, 1965 †) - (CONOCARDIIDAE) (FOSSIL)
- lantianensis, Sinanthropus lantianensis Woo ju-kang, 1964 † - syn of: Homo erectus lantianensis (Woo ju-kang, 1964 †) - (Hominidae) (FOSSIL)
- lantianensis, Homo erectus lantianensis (Woo ju-kang, 1964 †) - (Hominidae) (FOSSIL)
- lantivyi, Tellina lantivyi B.C.M. Payraudeau, 1826 - syn of: Moerella donacina (C. Linnaeus, 1758) - (TELLINIDAE)
- lantzi, Fruticicola lantzi (W.A. Lindholm, 1927) - (BRADYBAENIDAE)
- lantzi, Laciniaria lantzi W.A. Lindholm, 1924 - syn of: Armenica unicristata O. Böttger, 1877 - (CLAUSILIIDAE)
- lantzi, Helicella lantzi W.A. Lindholm, 1926 - syn of: Helicopsis filimargo I. Krynicki, 1833 - (HYGROMIIDAE)
- lantzi, Fruticola lantzi W.A. Lindholm, 1927 - syn of: Fruticicola lantzi (W.A. Lindholm, 1927) - (HYGROMIIDAE)
- lantzi, Dentimargo lantzi (F.P. Jousseaume, 1875) - (MARGINELLIDAE)
- lantzi, Vitrea lantzi W.A. Lindholm, 1913 - syn of: Vitrea angystropha (O. Böttger, 1880) - (PRISTILOMATIDAE)
- lantzi, Onoba lantzi (C. Vélain, 1877) - (RISSOIDAE)
- lantzi, Retinella lantzi W.A. Lindholm, 1913 - (ZONITIDAE)
- lantzi brauni, Fruticola lantzi brauni Skvortsov, 1940 - syn of: Fruticicola lantzi (W.A. Lindholm, 1927) - (HYGROMIIDAE)
- lantzi cingulicarens, Fruticola lantzi cingulicarens W.A. Lindholm, 1927 - syn of: Fruticicola lantzi (W.A. Lindholm, 1927) - (HYGROMIIDAE)
- lantzi dextrorsa, Fruticola lantzi dextrorsa Y. Tzvetkov, 1938 - syn of: Fruticicola lantzi (W.A. Lindholm, 1927) - (HYGROMIIDAE)
- lantzi montana, Fruticola lantzi montana Y. Tzvetkov, 1941 - syn of: Fruticicola lantzi (W.A. Lindholm, 1927) - (HYGROMIIDAE)
- lantzi silvestris, Fruticola lantzi silvestris Y. Tzvetkov, 1941 - syn of: Fruticicola lantzi (W.A. Lindholm, 1927) - (HYGROMIIDAE)
- lantzi sinistrorsa, Fruticola lantzi sinistrorsa Y. Tzvetkov, 1938 - syn of: Fruticicola lantzi (W.A. Lindholm, 1927) - (HYGROMIIDAE)
- lantzi steppensis, Fruticola lantzi steppensis Y. Tzvetkov, 1941 - syn of: Fruticicola lantzi (W.A. Lindholm, 1927) - (HYGROMIIDAE)
- lantzi xerophila, Fruticola lantzi xerophila Y. Tzvetkov, 1941 - syn of: Fruticicola lantzi (W.A. Lindholm, 1927) - (HYGROMIIDAE)
- Lantzia, Genus Lantzia F.P. Jousseaume, 1872 (LYMNAEIDAE)
- lanuginata, Alloiodoris lanuginata (F.D. Abraham, 1877) - (DISCODORIDIDAE)
- lanuginosa, Chaetopleura lanuginosa (W.H. Dall, 1879) - (CHAETOPLEURIDAE)
- lanuginosa, Doris lanuginosa E.F. Kelaart, 1858 - (DORIDIDAE)
- lanuginosa, Ganula lanuginosa (S.A. de Boissy, 1835) - (HYGROMIIDAE)
- lanuginosa magdalena, Chaetopleura lanuginosa magdalena W.H. Dall, 1919 - (CHAETOPLEURIDAE)
- lanuginosa mixta, Chaetopleura lanuginosa mixta (W.H. Dall, 1919) - (CHAETOPLEURIDAE)
- lanuginosa mixta, Pallochiton lanuginosa mixta S.S. Berry, 1945 - syn of: Chaetopleura lanuginosa mixta (W.H. Dall, 1919) - (CHAETOPLEURIDAE)
- lanuginosum, Onchidella lanuginosum L.H. Hupé in C. Gay, 1854 - syn of: Onchidella marginata (J.P.Y. Couthouy in A.A. Gould, 1852) - (ONCHIDIIDAE)
- lanulentum, Vexillum lanulentum S.I. Huang, 2017 - (COSTELLARIIDAE)
- lanx, Ampelita lanx (A.E.J. Férussac, 1822) - (ACAVIDAE)
- lanx, Aegista vulgivaga lanx H.A. Pilsbry, 1902 - (BRADYBAENIDAE)
- lanx, Pricella lanx Nikolaeva & Ivanovich, 2005 † - (CYRTOCLYMENIIDAE) (FOSSIL)
- lanx, Patelloida saccharina lanx (L.A. Reeve, 1855) - (LOTTIIDAE)
- Lanx, Genus Lanx S. Clessin, 1882 (LYMNAEIDAE)
- lanyuensis, Japonia lanyuensis Y.C. Lee & W.L. Wu, 2001 - (CYCLOPHORIDAE)
- lanzae, Melanopsis lanzae Š. Brusina, 1874 † - syn of: Melanopsis lanzaeana Š. Brusina, 1874 † - (MELANOPSIDAE) (FOSSIL)
- lanzae senilis, Melanopsis lanzae senilis Olujiæ, 1999 † - syn of: Melanopsis lanzaeana Š. Brusina, 1874 † - (MELANOPSIDAE) (FOSSIL)
- lanzaeana, Melanopsis lanzaeana Š. Brusina, 1874 † - (MELANOPSIDAE) (FOSSIL)
- lanzaeana rugosa, Melanopsis lanzaeana rugosa Š. Brusina, 1897 † - syn of: Melanopsis lanzaeana Š. Brusina, 1874 † - (MELANOPSIDAE) (FOSSIL)
- lanzai, Oxychilus lanzai L. Forcart, 1967 - (OXYCHILIDAE)
- Lanzaia, Genus Lanzaia . Brusina, 1906 (HYDROBIIDAE)
- Lanzaiopsis, Genus Lanzaiopsis J. Bole, 1989 (HYDROBIIDAE)
- lanzarotensis, Aegires lanzarotensis L. Moro & J.A. Ortea, 2015 - (AEGIRIDAE)
- lanzarotensis, Ferussacia lanzarotensis (A. Mousson, 1872) - (FERUSSACIIDAE)
- lanzarotensis, Pomatias lanzarotensis (T.V. Wollaston, 1878) - (POMATIIDAE)
- lanzarottii, Manzonia lanzarottii R.G. Moolenbeek & M.J. Faber, 1987 - (RISSOIDAE)
- lanzerotensis, Xerotricha lanzerotensis P.B. Webb & S. Berthelot, 1833 - syn of: Xerotricha lancerottensis (P.B. Webb & S. Berthelot, 1833) - (HYGROMIIDAE)
- lanzi, Ficus lanzi A.A. Olsson, 1964 † - (FICIDAE) (FOSSIL)
- Laocaia, Genus Laocaia A.A. Kuzminykh, 1999 (HELICARIONIDAE)
- laochangensis, Parallelodon laochangensis S.Y. Feng & al., 1992 † - (PARALLELODONTIDAE) (FOSSIL)
- laodelectata, Brotia laodelectata F. Köhler, 2008 - (PACHYCHILIDAE)
- Laodia, syn of: Genus Septaria A.E.J. Fιrussac, 1807 (NERITIDAE)
- laodice, Spirotropis laodice (W.H. Dall, 1919) - (DRILLIIDAE)
- laodice, Mangilia laodice W.H. Dall, 1919 - syn of: Spirotropis laodice (W.H. Dall, 1919) - (MANGELIIDAE)
- laoensis, Unio laoensis G.B. Sowerby, 1866 - syn of: Margaritifera laosensis (I. Lea, 1863) - (UNIONIDAE)
- Laoma, Genus Laoma J.E. Gray, 1850 (PUNCTIDAE)
- Laomarex, Genus Laomarex A. Powell, 1948 (PUNCTIDAE)
- Laomavix, Genus Laomavix T. Iredale, 1933 (PUNCTIDAE)
- laomontana, Naggsia laomontana (L. Pfeiffer, 1863 †) - (PLECTOPYLIDAE) (FOSSIL)
- laomontana, Chersaecia laomontana L. Pfeiffer, 1863 - syn of: Naggsia laomontana (L. Pfeiffer, 1863 †) - (PLECTOPYLIDAE)
- Laomopa, Genus Laomopa T. Iredale, 1945 (PUNCTIDAE)
- Laona, Genus Laona A. Adams, 1865 (LAONIDAE)
- LAONIDAE Pruvot-Fol, 1954 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-CEPHALASPIDEA [Order]-PHILINOIDEA [Superfamily])
- laosensis, Metalycaeus laosensis Páll-Gergely, 2017 - (CYCLOPHORIDAE)
- laosensis, Margaritifera laosensis (I. Lea, 1863) - (MARGARITIFERIDAE)
- laosensis, Anodonta laosensis P. Fischer, 1891 - syn of: Anodonta nuttalliana (I. Lea, 1838) - (UNIONIDAE)
- laosensis, Unio laosensis I. Lea, 1863 - syn of: Margaritifera laosensis (I. Lea, 1863) - (UNIONIDAE)
- laoshanensis, Philomycus laoshanensis C. Chen & J.X. Gao, 1984 - syn of: Meghimatium bilineatum (W.H. Benson, 1842) - (PHILOMYCIDAE)
- laosianus, Amphidromus laosianus A.R.J.B. Bavay, 1898 - (CAMAENIDAE)
- laosiensis, Paludina laosiensis L.J. Morlet, 1892 - (VIVIPARIDAE)
- Laotia, Genus Laotia E. Saurin, 1953 (CYCLOPHORIDAE)
- laotiensis, Stenothyra laotiensis P. Temcharoen, 1971 - (STENOTHYRIDAE)
- laoyelingensis, Tiangangina laoyelingensis S.P. Zhang - (BRADYBAENIDAE)
- lapadensis, Micromelania lapadensis Lörenthey, 1893 † - (HYDROBIIDAE) (FOSSIL)
- lapazana, Eulima lapazana (P. Bartsch, 1917) - (EULIMIDAE)
- lapazana, Odostomia lapazana W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- lapazana, Rissoina lapazana P. Bartsch, 1915 - (RISSOINIDAE)
- lapeirousei, Hippuritella lapeirousei (G.A. Goldfuss, 1840 †) - (HIPPURITIDAE) (FOSSIL)
- Lapeirousella, Genus Lapeirousella Milovanovic, 1938 (RADIOLITIDAE) (FOSSIL)
- Lapeirousia, Genus Lapeirousia Bayle, 1878 (RADIOLITIDAE) (FOSSIL)
- lapernai, Synthopsis lapernai A. Cecalupo & I. Perugia, 2014 - (CERITHIOPSIDAE)
- lapernai, Granulina lapernai C. Smriglio & P. Mariottini, 2013 - (MARGINELLIDAE)
- lapernai, Microstelma lapernai B.M. Landau, R. Marquet & Grigis, 2004 † - (ZEBINIDAE) (FOSSIL)
- lapernoi, Yoldiella lapernoi N.P. Benaim & R.S. Absalão, 2011 - (YOLDIIDAE)
- laperousea, Moerella laperousea B.K. Raines & M. Huber, 2012 - (TELLINIDAE)
- laperousei, Septaria laperousei C.A. Récluz, 1842 - (NERITIDAE)
- laperousianus, Parasilesites laperousianus (J.J.F. Whiteaves, 1876 †) - (SILESITIDAE) (FOSSIL)
- laperousii, Serripes laperousii (G.P. Deshayes, 1839) - (CARDIIDAE)
- laperousii, Kellia laperousii G.P. Deshayes, 1839 - syn of: Kellia suborbicularis (G. Montagu, 1803) - (KELLIIDAE)
- laperousii, Crassostrea laperousii L. von Schrenck, 1862 - syn of: Crassostrea gigas (C.P. Thunberg, 1793) - (OSTREIDAE)
- laperousii chironii, Kellia laperousii chironii P.P. Carpenter, 1864 - syn of: Kellia suborbicularis (G. Montagu, 1803) - (KELLIIDAE)
- laphami, Eotomaria laphami (R.P. Whitfield, 1878 †) - (EOTOMARIIDAE) (FOSSIL)
- laphami, Murchisonia laphami J.W. Hall, 1860 † - (MURCHISONIIDAE) (FOSSIL)
- laphami, Archiphysa laphami (F.C. Baker, 1928) - (PHYSIDAE)
- Laphamoceras, Genus Laphamoceras Foerste , 1933 (ONCOCERATIDAE) (FOSSIL)
- Laphrostoma, syn of: Genus Neritina J.B.P.A. Lamarck, 1816 (NERITIDAE)
- lapicida, Helicigona lapicida (C. Linnaeus, 1758) - (HELICIDAE)
- lapicida, Raphistomina lapicida (Salter, 1859 †) - (HOLOPEIDAE) (FOSSIL)
- lapicida, Raphistoma lapicida Salter, 1859 † - syn of: Raphistomina lapicida (Salter, 1859 †) - (RAPHISTOMATIDAE) (FOSSIL)
- lapicida, Petricola lapicida (J.F. Gmelin, 1791) - (VENERIDAE)
- lapicida andorrica, Helicigona lapicida andorrica J.R. Bourguignat, 1876 - (HELICIDAE)
- lapicida divergens, Petricola lapicida divergens (J.F. Gmelin, 1791) - (VENERIDAE)
- lapicida grossulariae, Helicigona lapicida grossulariae (I. von Voith, 1838) - (HELICIDAE)
- lapicidus, Ancylus lapicidus B. Hubendick, 1960 - (PLANORBIDAE)
- lapida, Eulima lapida A. Adams, 1863 - (EULIMIDAE)
- lapidaria, Archaeoplecta lapidaria (Thomä, 1845 †) - (ARCHAEOZONITIDAE) (FOSSIL)
- lapidaria, Borsonia lapidaria G.F. Dollfus, 1899 - syn of: Cordieria mitraeformis G.P. Deshayes, 1865 - (BORSONIIDAE)
- lapidaria, Abida lapidaria (F.W. Hutton, 1849) - (CHONDRINIDAE)
- Lapidaria, syn of: Genus Sinicena Egorov, 2003 (HYDROCENIDAE)
- lapidaria, Oriocrassatella lapidaria Reed, 1932 † - (ORIOCRASSATELLIDAE) (FOSSIL)
- lapidaria, Cyclostoma lapidaria T. Say, 1817 - syn of: Pomatiopsis lapidaria (T. Say, 1817) - (POMATIIDAE)
- lapidaria, Pomatiopsis lapidaria (T. Say, 1817) - (POMATIOPSIDAE)
- lapidea, Crassatella lapidea W. Kobelt, 1886 - syn of: Eucrassatella corbuloides (L.A. Reeve, 1842) - (CRASSATELLIDAE)
- lapidea, Bellamya lapidea (P.M. Heude) - (VIVIPARIDAE)
- lapideus, Conus lapideus H.S. Holten, 1802 - syn of: Rhombiconus zonatus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- Lapidicola, syn of: Genus Lissotesta T. Iredale, 1915 (SEGUENZIOIDEA (UNASSIGNED))
- lapidifera, Turbo lapidifera P.F. Röding, 1798 - syn of: Turbo radiatus J.F. Gmelin, 1791 - (TURBINIDAE)
- lapidifera, Xenophora lapidifera P.F. Röding, 1798 - syn of: Xenophora conchyliophora (I. von Born, 1780) - (XENOPHORIDAE)
- lapidiferus, Turbo lapidiferus P.F. Röding, 1798 - syn of: Xenophora conchyliophora (I. von Born, 1780) - (TURBINIDAE)
- lapidini, Everettia lapidini T.S. Liew, M. Schilthuizen & J.J. Vermeulen, 2009 - (DYAKIIDAE)
- lapidivagus, Bulimulus lapidivagus J.F. Mabille, 1895 - syn of: Naesiotus spirifer W.M. Gabb, 1868 - (BULIMULIDAE)
- lapidorum, Potamides lapidorum (J.B.P.A. Lamarck, 1804 †) - (POTAMIDIDAE) (FOSSIL)
- lapidorum confluens, Potamides lapidorum confluens (J.B.P.A. Lamarck, 1804) † - (POTAMIDIDAE) (FOSSIL)
- lapidosa, Pteropsella lapidosa (T.A. Conrad, 1846 †) - (MACTRIDAE) (FOSSIL)
- lapidosus, Unio lapidosus W. Kobelt, 1893 - syn of: Disconaias panacoensis (G. von dem Busch in R.A. Philippi, 1843) - (UNIONIDAE)
- Lapidosus, syn of: Subgenus Lampsilis (Disconaias) P. Fischer & J.C.H. Crosse, 1894 (UNIONIDAE)
- lapidum, Potamolithus lapidum (A.V.M.D. D'Orbigny, 1835) - (LITHOGLYPHIDAE)
- lapidum, Potamides lapidum (J.B.P.A. Lamarck, 1804 †) - (POTAMIDIDAE) (FOSSIL)
- lapierrea, Purpuroidea lapierrea (Buvignier, 1843 †) - (PURPUROIDEIDAE) (FOSSIL)
- lapierrei, Tingitana lapierrei P.M. Pallary, 1936 - (HELICIDAE)
- lapilla, Paravitrea lapilla L.R. Hubricht, 1965 - (ZONITIDAE)
- lapillifera, Scaliola lapillifera C. Hedley, 1899 - (SCALIOLIDAE)
- lapillina, Purpura lapillina É.A.A. Locard, 1886 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapilloides, Purpura lapilloides T.A. Conrad, 1837 - syn of: Acanthinucella punctulata (J.E. Gray in G.B. I Sowerby, 1835) - (MURICIDAE)
- lapilloides aurantia, Purpura lapilloides aurantia W.H. Dall, 1908 - syn of: Acanthinucella spirata (H.M.D. de Blainville, 1832) - (MURICIDAE)
- lapillorum, Paludina lapillorum P.M. Heude, 1890 - syn of: Sinotaia quadrata (W.H. Benson, 1842) - (VIVIPARIDAE)
- lapillus, Kalidos lapillus E. Fischer-Piette & J. Bedoucha, 1966 - (ARIOPHANTIDAE)
- lapillus, Buccinum lapillus C. Linnaeus, 1758 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (BUCCINIDAE)
- lapillus, Contradusta lapillus G.T. Poppe, S.P. Tagaro & K. Groh, 2013 - (CYPRAEIDAE)
- lapillus, Fusus lapillus W.J. Broderip & G.B. I Sowerby, 1829 - syn of: Nicema subrostrata (J.E. Gray, 1839) - (FASCIOLARIIDAE)
- lapillus, Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus, Astralium lapillus L.A. Reeve, 1863 - (TURBINIDAE)
- lapillus anomala, Purpura lapillus anomala A.T. von Middendorff, 1849 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus aurantia, Purpura lapillus aurantia P. Dautzenberg, 1887 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus bizonalis, Nucella lapillus bizonalis (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- lapillus caerulescens, Purpura lapillus caerulescens P. Dautzenberg, 1920 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus castanea, Nucella lapillus castanea P. Dautzenberg, 1882 - (MURICIDAE)
- lapillus celtica, Purpura lapillus celtica É.A.A. Locard, 1886 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus citrina, Purpura lapillus citrina P. Dautzenberg, 1920 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus crassissima, Purpura lapillus crassissima P. Dautzenberg, 1887 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus fauce, Purpura lapillus fauce P. Dautzenberg, 1887 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus fauceviolcea, Purpura lapillus fauceviolcea P. Dautzenberg, 1887 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus fusco, Purpura lapillus fusco P. Dautzenberg & H. Fischer, 1925 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus fuscoapicata, Purpura lapillus fuscoapicata P. Dautzenberg & H. Fischer, 1925 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus imbricata, Nucella lapillus imbricata (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus incrassatus, Nucella lapillus incrassatus (Sowerby, 1825) † - (MURICIDAE) (FOSSIL)
- lapillus lactea, Purpura lapillus lactea P. Dautzenberg, 1887 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus mactanense, Astralium lapillus mactanense T. Habe & T.A. Okutani, 1980 - (TURBINIDAE)
- lapillus major, Purpura lapillus major J.G. Jeffreys, 1867 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus minor, Purpura lapillus minor J.G. Jeffreys, 1867 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus mixta, Purpura lapillus mixta P. Dautzenberg, 1920 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus monozonalis, Purpura lapillus monozonalis P. Dautzenberg, 1920 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapillus ponderosa, Purpura lapillus ponderosa T.A. Verkrüzen, 1881 - syn of: Nucella lapillus (C. Linnaeus, 1758) - (MURICIDAE)
- lapinigensis, Chromodoris lapinigensis L.S.R. Bergh, 1879 - (CHROMODORIDIDAE)
- Lapinura, syn of: Genus Runcina E. Forbes & S.C.T. Hanley, 1851 (RUNCINIDAE)
- lapislazuli, Felimare lapislazuli (H.W. Bertsch & A. Ferreira, 1974) - (CHROMODORIDIDAE)
- lapislazuli, Thorunna lapislazuli H.W. Bertsch & A. Ferreira, 1974 - syn of: Felimare lapislazuli (H.W. Bertsch & A. Ferreira, 1974) - (CHROMODORIDIDAE)
- lapistina, Trochus lapistina R.A. Philippi, 1844 - syn of: Astralium latispina (R.A. Philippi, 1844) - (TROCHIDAE)
- lapita, Caecum lapita M. Pizzini, B.K. Raines & A. Vannozzi, 2013 - (CAECIDAE)
- laplata, Tellina laplata H.A. Pilsbry & A.A. Olsson, 1941 - syn of: Eurytellina eburnea (S.C.T. Hanley, 1844) - (TELLINIDAE)
- Laplysia, syn of: Genus Aplysia C. Linnaeus, 1767 (APLYSIIDAE)
- lappa, Favartia lappa (W.J. Broderip, 1833) - (MURICIDAE)
- lappa, Murexiella lappa W.J. Broderip, 1833 - syn of: Favartia lappa (W.J. Broderip, 1833) - (MURICIDAE)
- lappa, Murex lappa W.J. Broderip, 1833 - syn of: Favartia lappa (W.J. Broderip, 1833) - (MURICIDAE)
- lappanni, Astyris lappanni Schnetler, 2001 † - (COLUMBELLIDAE) (FOSSIL)
- lapparenti, Mrhiliceras lapparenti (Pervinquière, 1907 †) - (ACANTHOCERATIDAE) (FOSSIL)
- lapparenti, Micheliopsis lapparenti Termier & Termier, 1977 † - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- lapparenti, Marinula lapparenti J.B.C.P. de Raincourt, 1884 † - (ELLOBIIDAE) (FOSSIL)
- lapparenti, Fusinus lapparenti (Briart & Cornet, 1887 †) - (FASCIOLARIIDAE) (FOSSIL)
- lapparenti, Muniericeras lapparenti de Grossouvre, 1894 † - (MUNIERICERATIDAE) (FOSSIL)
- lapparenti, Neithea lapparenti Choffat, 1900 † - (PECTINIDAE) (FOSSIL)
- lapparenti, Odostomia lapparenti Raincourt, 1885 † - (PYRAMIDELLIDAE) (FOSSIL)
- lapparenti, Rostrunio lapparenti (D. Mongin, 1963 †) - (UNIONIDAE) (FOSSIL)
- Lapparentia, Genus Lapparentia J.G. Berthelin, 1885 (HYDROBIIDAE)
- Lapparia, Genus Lapparia Conrad, 1855 (VOLUTIDAE) (FOSSIL)
- lappeanus, Solen lappeanus R.W. Dunker, 1871 - syn of: Solen rostriformis R.W. Dunker, 1862 - (SOLENIDAE)
- lapponica, Harpulina lapponica (C. Linnaeus, 1767) - (VOLUTIDAE)
- lapponica cor, Galileja lapponica cor Y.I. Starobogatov & E.A. Streletzkaja, 1967 - syn of: Pisidium obtusale (J.B.P.A. Lamarck, 1818) - (SPHAERIIDAE)
- lapponica loroisi, Harpulina lapponica loroisi (A. Valenciennes, 1863) - (VOLUTIDAE)
- lapponicus, Cyclocalyx lapponicus S. Clessin in C.A. Westerlund, 1873 - syn of: Pisidium obtusale (J.B.P.A. Lamarck, 1818) - (SPHAERIIDAE)
- Lapsigyrus, Genus Lapsigyrus S.S. Berry, 1958 (ZEBINIDAE)
- laptevi, Frechites laptevi A.M. Popov, 1961 † - syn of: Frechitoides migayi (Kiparisova, 1958 †) - (BEYRICHITIDAE) (FOSSIL)
- Lapteviella, Genus Lapteviella Kurushin, 1985 (MALLETIIDAE) (FOSSIL)
- lapteviensis, Maizuria lapteviensis Kurushin, 1980 † - (BAKEVELLIIDAE) (FOSSIL)
- lapugyensis, Pollia lapugyensis R. Hoernes & M. Auinger, 1884 - syn of: Pollia dorbignyi (B.C.M. Payraudeau, 1826) - (BUCCINIDAE)
- lapugyensis, Projenneria lapugyensis (F. Sacco, 1894 †) - (PEDICULARIIDAE) (FOSSIL)
- lapugyensis, Persististrombus lapugyensis (F. Sacco, 1893 †) - (STROMBIDAE) (FOSSIL)
- lapugyensis, Terebra lapugyensis R. Hoernes & M. Auinger, 1879 † - (TEREBRIDAE) (FOSSIL)
- lapulapui, Conus lapulapui A.J. Da Motta & P. Martin, 1982 - syn of: Conasprella eugrammata P. Bartsch & H.A. Rehder, 1943 - (CONIDAE)
- lapulapui, Calliobasis lapulapui G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (SEGUENZIIDAE)
- lapurdensis, Obscurella lapurdensis P. Fagot, 1880 - syn of: Cochlostoma obscurum (J.P.R. Draparnaud, 1801) - (COCHLOSTOMATIDAE)
- lapwaiensis, Palaeonarica lapwaiensis A. Nützel & Erwin, 2004 † - (PALAEONARICIDAE) (FOSSIL)
- lapworthi, Pinnocaris lapworthi R. Etheridge jr., 1878 † - (RIBEIRIIDAE) (FOSSIL)
- laqua, Solariella laqua W.C. Mansfield, 1935 † - (SOLARIELLIDAE) (FOSSIL)
- laquearia, Hinemoa laquearia (C. Hedley, 1909) - (PYRAMIDELLIDAE)
- laqueata, Anomia laqueata L.A. Reeve, 1859 - syn of: Anomia peruviana A.V.M.D. D'Orbigny, 1846 - (ANOMIIDAE)
- laqueata, Ptychosalpinx laqueata (T.A. Conrad, 1832) - (BUCCINIDAE)
- laqueata, Seila laqueata (A.A. Gould, 1861) - (CERITHIOPSIDAE)
- laqueata, Notoseila laqueata (A.A. Gould, 1861) - syn of: Seila laqueata (A.A. Gould, 1861) - (CERITHIOPSIDAE)
- laqueata, Clavagella laqueata G.B. II Sowerby, 1872 - syn of: Bryopa melitensis (W.J. Broderip, 1834) - (CLAVAGELLIDAE)
- laqueata, Tryonia laqueata T.A. Conrad, 1871 † - (COCHLIOPIDAE) (FOSSIL)
- laqueata, Varicorbula laqueata (T.L. Casey, 1903 †) - (CORBULIDAE) (FOSSIL)
- laqueata, Longstaffia laqueata (Lindström, 1884 †) - (LOPHOSPIRIDAE) (FOSSIL)
- laqueata, Pyrgocythara laqueata (L.A. Reeve, 1846) - (MANGELIIDAE)
- laqueata, Pholas laqueata G.B. II Sowerby, 1849 - syn of: Pholas chiloensis (J.I. Molina, 1782) - (PHOLADIDAE)
- laqueata, Pinna laqueata T.A. Conrad, 1858 † - (PINNIDAE) (FOSSIL)
- laqueata, Goniobasis laqueata (T. Say, 1829) - (PLEUROCERIDAE)
- laqueata, Pleurotomaria laqueata Lindström, 1884 † - syn of: Longstaffia laqueata (Lindström, 1884 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- laqueata, Rostellaria laqueata T.A. Conrad, 1833 † - syn of: Ectinochilus gaudichaudi (A.V.M.D. D'Orbigny, 1842 †) - (ROSTELLARIIDAE) (FOSSIL)
- laqueata, Antigona laqueata (G.B. II Sowerby, 1853) - (VENERIDAE)
- laqueata castanea, Goniobasis laqueata castanea (I. Lea, 1841) - (PLEUROCERIDAE)
- laqueata costulata, Goniobasis laqueata costulata (I. Lea, 1841) - (PLEUROCERIDAE)
- laqueata mutata, Goniobasis laqueata mutata A. Brot - (PLEUROCERIDAE)
- laqueata tortum, Goniobasis laqueata tortum (I. Lea, 1845) - (PLEUROCERIDAE)
- laqueatum, Caecum laqueatum C.B. Adams, 1852 - (CAECIDAE)
- laqueatum, Chesacardium laqueatum (T.A. Conrad, 1830 †) - (CARDIIDAE) (FOSSIL)
- laqueatum, Dentalium laqueatum A.E. Verrill, 1885 - (DENTALIIDAE)
- laqueatum, Kionoceras laqueatum (J.W. Hall, 1847 †) - (KIONOCERATIDAE) (FOSSIL)
- laqueatum blackwelderi, Chesacardium laqueatum blackwelderi Ward, 1992 † - (CARDIIDAE) (FOSSIL)
- laqueatum blountense, Chesacardium laqueatum blountense (W.C. Mansfield, 1932 †) - (CARDIIDAE) (FOSSIL)
- laqueatum eshelmani, Chesacardium laqueatum eshelmani Ward, 1992 † - (CARDIIDAE) (FOSSIL)
- laqueatum regulare, Dentalium laqueatum regulare J. Henderson, 1920 - syn of: Dentalium invalidum W.K. Emerson, 1954 - (DENTALIIDAE)
- laqueatum vostreysi, Chesacardium laqueatum vostreysi Ward, 1992 † - (CARDIIDAE) (FOSSIL)
- laqueatus, Craspedochiton laqueatus (G.B. II Sowerby, 1842) - (ACANTHOCHITONIDAE)
- laqueatus, Aviculopecten laqueatus Girty, 1909 † - syn of: Girtypecten sublaqueatus (Girty, 1909 †) - (AVICULOPECTINIDAE) (FOSSIL)
- laqueatus, Frechites laqueatus (Lindstroem, 1865 †) - (BEYRICHITIDAE) (FOSSIL)
- laqueatus, Zizyphinus laqueatus É.A.A. Locard, 1898 - syn of: Calliostoma leptophyma P. Dautzenberg & H. Fischer, 1896 - (CALLIOSTOMATIDAE)
- laqueatus, Acanthopecten laqueatus Girty, 1909 † - syn of: Girtypecten sublaqueatus (Girty, 1909 †) - (LIMIPECTINIDAE) (FOSSIL)
- laqueatus, Chicoreus laqueatus (G.B. II Sowerby, 1841) - (MURICIDAE)
- laqueatus, Murex laqueatus G.B. II Sowerby, 1841 - syn of: Chicoreus laqueatus (G.B. II Sowerby, 1841) - (MURICIDAE)
- laqueatus, Pecten laqueatus G.B. II Sowerby, 1842 - syn of: Pecten albicans (J.S. Schröter, 1802) - (PECTINIDAE)
- laqueatus, Plicatula laqueatus G.B. II Sowerby, 1842 - syn of: Pecten albicans (J.S. Schröter, 1802) - (PLICATULIDAE)
- laqueatus, Ectinochilus laqueatus T.A. Conrad, 1833 † - syn of: Ectinochilus gaudichaudi (A.V.M.D. D'Orbigny, 1842 †) - (RIMELLIDAE) (FOSSIL)
- Laqueoceras, Genus Laqueoceras Kakabadze & Hoedemaeker, 2004 (ANCYLOCERATIDAE) (FOSSIL)
- laqueoides, Schreinbachites laqueoides (A. Hyatt, 1889 †) - (ARIETITIDAE) (FOSSIL)
- laqueorata, Trajana laqueorata (E.M. Spieker, 1922 †) - (NASSARIIDAE) (FOSSIL)
- laqueoratus, Murex laqueoratus E.M. Spieker, 1922 † - syn of: Trajana laqueorata (E.M. Spieker, 1922 †) - (MURICIDAE) (FOSSIL)
- laquetta, Longstaffia laquetta Lindström, 1884 † - syn of: Longstaffia laqueata (Lindström, 1884 †) - (LOPHOSPIRIDAE) (FOSSIL)
- laqueus, Laqueoceras laqueus Kakabadze & Hoedemaeker, 2004 † - (ANCYLOCERATIDAE) (FOSSIL)
- laqueus, Alsatites laqueus (F.A. von Quenstedt, 1856 †) - (ARIETITIDAE) (FOSSIL)
- laqueus, Cuna laqueus H.J. Finlay, 1926 - (CONDYLOCARDIIDAE)
- laqueus, Labeceras laqueus (Etheridge, 1892 †) - (LABECERATIDAE) (FOSSIL)
- laqueus, Lecanites laqueus L. Waagen, 1895 † - (LECANITIDAE) (FOSSIL)
- laqueus, Octopus laqueus I. Kaneko & T. Kubodera, 2005 - (OCTOPODIDAE)
- laqueus, Phrixgnathus laqueus (R.K. Dell, 1950) - (PUNCTIDAE)
- laqueus, Laoma laqueus R.K. Dell, 1950 - syn of: Phrixgnathus laqueus (R.K. Dell, 1950) - (PUNCTIDAE)
- laqueus, Sinezona laqueus (H.J. Finlay, 1926) - (SCISSURELLIDAE)
- lar, Conus lar A.A.H. Lichtenstein, 1794 - (CONIDAE)
- lara, Lirobarleeia lara (P. Bartsch, 1911) - (BARLEEIIDAE)
- lara, Drillia lara P. Bartsch, 1915 - syn of: Drillia caffra (E.A. Smith, 1882) - (DRILLIIDAE)
- lara, Gari lara W.H. Turton, 1932 - syn of: Hiatula capensis (G.B. III Sowerby, 1889) - (PSAMMOBIIDAE)
- lara, Sanguinolaria lara W.H. Turton, 1932 - syn of: Hiatula capensis (G.B. III Sowerby, 1889) - (PSAMMOBIIDAE)
- lara, Turbonilla lara W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- lara, Alvinia lara P. Bartsch, 1911 - syn of: Lirobarleeia lara (P. Bartsch, 1911) - (RISSOIDAE)
- lara, Abra lara W.H. Turton, 1932 - (SEMELIDAE)
- larae, Palaeomutela larae Silantiev † - (PALAEOMUTELIDAE) (FOSSIL)
- laraense, Glottoceras laraense Renz, 1970 † - (KNEMICERATIDAE) (FOSSIL)
- larandicus, Nassarius larandicus B.M. Landau & al., 2013 † - (NASSARIIDAE) (FOSSIL)
- laraosensis, Bostryx obliquiportus laraosensis W.K. Weyrauch, 1960 - (BULIMULIDAE)
- laraosensis, Parabalea pilsbryi laraosensis W.K. Weyrauch, 1960 - (CLAUSILIIDAE)
- larapinta, Angasella larapinta R. Tate, 1896 - syn of: Semotrachia setigera (R. Tate, 1894) - (CAMAENIDAE)
- larapinta, Gastrocopta larapinta R. Tate, 1896 - (GASTROCOPTIDAE)
- Larapintembryon, syn of: Genus Bothriembryon H.A. Pilsbry, 1894 (BOTHRIEMBRYONTIDAE)
- laratensis, Microsveltia laratensis A. Verhecken, 2011 - (CANCELLARIIDAE)
- Laratheca, Genus Laratheca Rozanov & al., 1969 (CIRCOTHECIDAE) (FOSSIL)
- LARAWIDAE - syn of Family: CIRCOTHECIDAE (FOSSIL)
- larbas, Anomia larbas J.E. Gray, 1850 - syn of: Anomia peruviana A.V.M.D. D'Orbigny, 1846 - (ANOMIIDAE)
- larbusselensis, Zugodactylites larbusselensis Guex 1971 † - (DACTYLIOCERATIDAE) (FOSSIL)
- larcheri, Larcheria larcheri Tintant, 1961 † - (PERISPHINCTIDAE) (FOSSIL)
- Larcheria, Subgenus Perisphinctes (Larcheria) Tintant, 1961 (PERISPHINCTIDAE) (FOSSIL)
- larcombae, Scintilla larcombae P.G. Oliver & A.M. Holmes, 2004 - (GALEOMMATIDAE)
- lardea, Truncatellina lardea (C.F. Jickeli, 1875) - (VERTIGINIDAE)
- lardeus, Pupoides lardeus L. Pfeiffer, 1852 - syn of: Pupoides coenopictus (F.W. Hutton, 1834) - (PUPILLIDAE)
- lardeuxi, Convoluticeras lardeuxi Erben, 1960 † - (TEICHERTICERATIDAE) (FOSSIL)
- lardeuxi, Volynites lardeuxi Truyols-Massoni, 1995 † - (VOLYNITIDAE) (FOSSIL)
- lardum, Compressidentalium lardum (K.H. Barnard, 1963) - (DENTALIIDAE)
- lardyi, Sornayites lardyi (Ooster, 1860 †) - (CRIOCERATITIDAE) (FOSSIL)
- laregnereensis, Joculator laregnereensis Cecalupo & Perugia, 2017 - (CERITHIOPSIDAE)
- Larenites, Genus Larenites Brayard & Bucher, 2008 (TIROLITIDAE) (FOSSIL)
- larensis, Turritella larensis F. Hodson, 1926 † - (TURRITELLIDAE) (FOSSIL)
- laresianus, Pecten sansebastianus laresianus C.J. Maury, 1920 - (PECTINIDAE)
- larga, Pseudocatillus pseudocatillus larga Taktakishvili, 1966 † - (CARDIIDAE) (FOSSIL)
- larga, Strophiops larga C.J. Maynard, 1913 - (CERIONIDAE)
- larga, Lutraria larga L.A. Reeve, 1854 - syn of: Lutraria maxima I.H. Jonas, 1844 - (MACTRIDAE)
- larga, Mangelia larga Scarponi & al., 2016 † - (MANGELIIDAE) (FOSSIL)
- larga, Hemizyga larga B.S. Kues & Batten, 2001 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- larga, Eulimella larga C.R. Laws, 1938 † - (PYRAMIDELLIDAE) (FOSSIL)
- largesulcatum, Glyptoxoceras largesulcatum (E. Forbes, 1846 †) - (DIPLOMOCERATIDAE) (FOSSIL)
- largesulcatus, Hamites largesulcatus E. Forbes, 1846 † - syn of: Glyptoxoceras largesulcatum (E. Forbes, 1846 †) - (HAMITIDAE) (FOSSIL)
- largicrescens, Dentalium largicrescens R. Tate, 1899 † - (DENTALIIDAE) (FOSSIL)
- largicrescens, Laevidentalium largicrescens R. Tate, 1899 † - (LAEVIDENTALIIDAE) (FOSSIL)
- largillarta, Periploma largillarta A.A. Olsson, 1961 - syn of: Periploma lagartillum A.A. Olsson, 1961 - (PERIPLOMATIDAE)
- largillertianum, Forbesiceras largillertianum d'Orbigny, 1841 † - syn of: Forbesiceras largilliertianum (A.V.M.D. D'Orbigny, 1841 †) - (FORBESICERATIDAE) (FOSSIL)
- largillieri, Bullata largillieri (L.C. Kiener, 1841) - (MARGINELLIDAE)
- largillierti, Achatina largillierti L. Pfeiffer, 1846 - syn of: Cosmomenus cylindracea (B. Phillips, 1846) - (ACHATINIDAE)
- largillierti, Satsuma largillierti (L. Pfeiffer, 1849) - (CAMAENIDAE)
- largillierti, Gradiconus largillierti (L.C. Kiener, 1847) - (CONIDAE)
- largillierti, Corbicula largillierti R.A. Philippi, 1844 - (CYRENIDAE)
- largillierti, Fusus largillierti S.A.A. Petit De La Saussaye, 1851 - syn of: Volutopsius norwegicus (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- largillierti, Mactra largillierti R.A. Philippi, 1849 - (MACTRIDAE)
- largillierti, Thaumastus largillierti (R.A. Philippi, 1845) - (MEGASPIRIDAE)
- largillierti, Natica largillierti C.A. Récluz, 1852 - syn of: Bulbus fragilis (W.E. Leach, 1819) - (NATICIDAE)
- largillierti, Nerita largillierti R.A. Philippi, 1849 - syn of: Nerita senegalensis J.F. Gmelin, 1791 - (NERITIDAE)
- largillierti, Nuculana largillierti R.A. Philippi, 1851 - syn of: Nuculana bicuspidata (A.A. Gould, 1845) - (NUCULANIDAE)
- largillierti, Nucula largillierti R.A. Philippi, 1851 - syn of: Nuculana bicuspidata (A.A. Gould, 1845) - (NUCULIDAE)
- largillierti, Pachychilus largillierti (R.A. Philippi, 1843) - (PACHYCHILIDAE)
- largillierti, Choanopoma largillierti (L. Pfeiffer, 1842) - (POMATIIDAE)
- largillierti, Cerithideopsis largillierti (R.A. Philippi, 1848) - (POTAMIDIDAE)
- largillierti, Cerithidea largillierti (R.A. Philippi, 1848) - syn of: Cerithideopsis largillierti (R.A. Philippi, 1848) - (POTAMIDIDAE)
- largillierti, Glandina largillierti L. Pfeiffer, 1846 - syn of: Cosmomenus cylindracea (B. Phillips, 1846) - (SPIRAXIDAE)
- largillierti, Melania largillierti R.A. Philippi, 1843 - syn of: Pachychilus largillierti (R.A. Philippi, 1843) - (THIARIDAE)
- largillierti, Clanculus largillierti (R.A. Philippi, 1849) - (TROCHIDAE)
- largillierti, Trochus largillierti R.A. Philippi, 1849 - syn of: Clanculus largillierti (R.A. Philippi, 1849) - (TROCHIDAE)
- largillierti, Potamilus largillierti (R.A. Philippi, 1847) - (UNIONIDAE)
- largillierti, Venerupis largillierti (R.A. Philippi, 1847) - (VENERIDAE)
- largillierti nodulosus, Pachychilus largillierti nodulosus E.C. Von Martens, 1899 - syn of: Pachychilus largillierti (R.A. Philippi, 1843) - (PACHYCHILIDAE)
- largillierti stolli, Pachychilus largillierti stolli E.C. Von Martens, 1899 - (PACHYCHILIDAE)
- largilliertiana, Arca largilliertiana P. Nyst, 1848 - syn of: Eontia ponderosa (T. Say, 1822) - (ARCIDAE)
- largilliertianum, Forbesiceras largilliertianum (A.V.M.D. D'Orbigny, 1841 †) - (FORBESICERATIDAE) (FOSSIL)
- largilliertianum, Pseudocenoceras largilliertianum (A.V.M.D. D'Orbigny, 1840 †) - (NAUTILIDAE) (FOSSIL)
- Largisipho, syn of: Genus Penion P. Fischer, 1884 (BUCCINIDAE)
- largoi, Ancistrobasis largoi G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (ANCISTROBASIDAE)
- largoi, Parvamussium largoi H.H. Dijkstra, 2013 - (PROPEAMUSSIIDAE)
- lariana, Homomya lariana Stoppani, 1861 † - (PHOLADOMYIDAE) (FOSSIL)
- larica, Protorcula larica E.A.L. Kittl, 1899 † - (PROTORCULIDAE) (FOSSIL)
- laricensis, Baicalancylus laricensis (W. Dybowski, 1913) - (ACROLOXIDAE)
- lariense, Meneghiniceras lariense (Meneghini, 1875 †) - (JURAPHYLLITIDAE) (FOSSIL)
- larieyense, Caecum larieyense P. Lozouet, Lesport & Renard, 2001 † - (CAECIDAE) (FOSSIL)
- larimerense, Solenoceras larimerense J. Kennedy & al., 2000 † - (DIPLOMOCERATIDAE) (FOSSIL)
- larimerense, Nostoceras larimerense Cobban, Kennedy & Scott, 2000 † - (NOSTOCERATIDAE) (FOSSIL)
- Larina, Genus Larina A. Adams, 1854 (PALUDOMIDAE)
- Larinopsis, Genus Larinopsis J.H. Gatliff & C.J. Gabriel, 1916 (VANIKORIDAE)
- larisae, Virgatites larisae Mitta, 1983 † - (PERISPHINCTIDAE) (FOSSIL)
- Larissamya, Genus Larissamya P. G. Oliver, Skryabin & Al-Ghunaim, 2017 (MONTACUTIDAE)
- laritzae, Gibberula laritzae J. Espinosa & J.A. Ortea, 2014 - (CYSTISCIDAE)
- larkhanaensis, Arca larkhanaensis d'Archaic, 1850 † - (ARCIDAE) (FOSSIL)
- Larkinia, Genus Larkinia Reinhart, 1935 (ARCIDAE)
- larkinii, Anadara larkinii R.N. Nelson, 1870 - syn of: Larkinia grandis (W.J. Broderip & G.B. I Sowerby, 1829) - (ARCIDAE)
- Larma, Genus Larma Stephenson, 1953 (VENERIDAE) (FOSSIL)
- larnaudiei, Corbicula larnaudiei P. Fischer, 1891 - syn of: Corbicula solidula T. Prime, 1861 - (CYRENIDAE)
- larnaudieri, Corbicula larnaudieri T. Prime, 1862 - syn of: Corbicula lydigiana T. Prime, 1861 - (CYRENIDAE)
- larochana, Tingitana larochana (P.M. Pallary, 1928) - (HELICIDAE)
- Larochea, Genus Larochea H.J. Finlay, 1927 (LAROCHEIDAE)
- larochei, Herpetopoma larochei (A.W.B. Powell, 1926) - (CHILODONTIDAE)
- larochei, Aoteatilia larochei A.W.B. Powell, 1940 - (COLUMBELLIDAE)
- larochei, Splendrillia larochei A.W.B. Powell, 1940 - (DRILLIIDAE)
- larochei, Mesoginella larochei (A.W.B. Powell, 1932) - (MARGINELLIDAE)
- larochei, Mysella larochei A.W.B. Powell, 1940 - (MONTACUTIDAE)
- larochei, Phrixgnathus larochei (A.W.B. Powell, 1928) - (PUNCTIDAE)
- larochei, Laoma larochei A.W.B. Powell, 1928 - syn of: Phrixgnathus larochei (A.W.B. Powell, 1928) - (PUNCTIDAE)
- larochei, Terelimella larochei C.R. Laws, 1938 - (PYRAMIDELLIDAE)
- larochei, Terelimella larochei (A.W.B. Powell, 1930) - (PYRAMIDELLIDAE)
- larochei, Rissoina larochei H.J. Finlay, 1930 - (RISSOINIDAE)
- larochei, Alcithoe larochei J. Marwick, 1926 - (VOLUTIDAE)
- larochei ostenfeldi, Alcithoe larochei ostenfeldi (T. Iredale, 1937) - (VOLUTIDAE)
- larochei tigrina, Alcithoe larochei tigrina P. Bail, A. Limpus & Y. Terryn, 2005 - (VOLUTIDAE)
- LAROCHEIDAE Finlay, 1927 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-SCISSURELLOIDEA [Superfamily])
- Larochella, Genus Larochella A. Powell, 1927 (ACLIDIDAE)
- Larocheopsis, Genus Larocheopsis B.A. Marshall, 1993 (LAROCHEIDAE)
- Larogiella, syn of: Genus Halolimnohelix J. Germain, 1913 (HALOLIMNOHELICIDAE)
- laronus, Crassatella laronus H.K. Jordan, 1932 - syn of: Kalolophus antillarum (L.A. Reeve, 1842) - (CRASSATELLIDAE)
- larramendii, Chelidonura larramendii J.A. Ortea, J. Espinosa & L. Moro, 2009 - (AGLAJIDAE)
- larramendii, Volvarina larramendii J. Espinosa, J.A. Ortea & Y.L. Diez, 2015 - (MARGINELLIDAE)
- larranagai, Subcancilla larranagai (A. Carcelles, 1947) - (MITRIDAE)
- larranagai, Mitra larranagai A. Carcelles, 1947 - syn of: Subcancilla larranagai (A. Carcelles, 1947) - (MITRIDAE)
- larranagai, Nuculana larranagai M.A. Klappenbach & V. Scarabino, 1969 - (NUCULANIDAE)
- larranagai, Turbonilla larranagai A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- larreyi, Brazieresta larreyi (J.W. Brazier, 1871) - (CARYODIDAE)
- larrieyense, Bittium larrieyense (L. Vignal, 1911 †) - (CERITHIIDAE) (FOSSIL)
- larryi, Phyllidia larryi (D.J. Brunckhorst, 1993) - (PHYLLIDIIDAE)
- larseni, Austroaporrhais larseni Zinsmeister & Griffin, 1995 † - (APORRHAIDAE) (FOSSIL)
- larseni, Lahillia larseni (Sharman & R.B. Newton, 1897 †) - (LAHILLIDAE) (FOSSIL)
- larseni, Skenea larseni A. Warén, 1993 - (SKENEIDAE)
- Larsenia, Genus Larsenia A. Warιn, 1989 (VANIKORIDAE)
- larsoni, Baculites larsoni Cobban & Kennedy, 1992 † - (BACULITIDAE) (FOSSIL)
- Lartetella, Subgenus Paladilhia (Lartetella) A.E.M. Cossmann, 1921 (MOITESSIERIIDAE)
- larteti, Desmophyllites larteti Seunes, 1891 † - (DESMOCERATIDAE) (FOSSIL)
- larteti, Bembexia larteti (E.C. Munier-Chalmas, 1876 †) - (EOTOMARIIDAE) (FOSSIL)
- larteti, Pleurotomaria larteti E.C. Munier-Chalmas, 1876 † - syn of: Bembexia larteti (E.C. Munier-Chalmas, 1876 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- larteti, Ringicula larteti A.L. Chavan, 1947 † - (RINGICULIDAE) (FOSSIL)
- larteti, Eopleurotoma larteti (G.P. Deshayes, 1865 †) - (TURRIDAE) (FOSSIL)
- larteti, Valvata larteti J.R. Bourguignat, 1881 † - (VALVATIDAE) (FOSSIL)
- larteti normalis, Eopleurotoma larteti normalis M.E.A. de Boury, 1899 † - (TURRIDAE) (FOSSIL)
- Lartetia, Subgenus Paladilhia (Lartetia) J.R. Bourguignat, 1869 (MOITESSIERIIDAE)
- lartetii, Triptychia lartetii (Dupuy, 1850) † - (FILHOLIIDAE) (FOSSIL)
- lartetii, Gastrocopta lartetii (Dupuy, 1850) † - (GASTROCOPTIDAE) (FOSSIL)
- lartetii, Milax lartetii (Dupuy, 1850) † - (MILACIDAE) (FOSSIL)
- lartetii, Segmentina lartetii (Noulet, 1854 †) - (PLANORBIDAE) (FOSSIL)
- lartetii, Cyclostoma lartetii Noulet, 1851 † - (POMATIIDAE) (FOSSIL)
- lartetii, Testacella lartetii Dupuy, 1850 † - (TESTACELLIDAE) (FOSSIL)
- larum, Lirobittium larum (P. Bartsch, 1911) - (CERITHIIDAE)
- larum, Bittium larum P. Bartsch, 1911 - syn of: Lirobittium larum (P. Bartsch, 1911) - (CERITHIIDAE)
- larunda, Turbonilla larunda W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- larva, Ammonites larva Klipstein, 1843 † - (AMMONITIDA (UNASSIGNED)) (FOSSIL)
- larva, Cerithium larva J.F. Gmelin, 1791 - syn of: Cerithium columna G.B. I Sowerby, 1834 - (CERITHIIDAE)
- larva, Plesiocystiscus larva (A.R.J.B. Bavay, 1922) - (CYSTISCIDAE)
- larva, Cranopsis larva (W.H. Dall, 1927) - (FISSURELLIDAE)
- larva, Fissurella larva L.A. Reeve, 1850 - syn of: Diodora cayenensis J.B.P.A. Lamarck, 1822 - (FISSURELLIDAE)
- larva, Marginella larva A.R.J.B. Bavay, 1922 - syn of: Plesiocystiscus larva (A.R.J.B. Bavay, 1922) - (MARGINELLIDAE)
- larva, Nerita larva J.F. Gmelin, 1791 - syn of: Nerita litterata J.F. Gmelin, 1791 - (NERITIDAE)
- larva, Melania larva Klipstein, 1843 † - syn of: Euchrysalis fusiformis (Münster, 1841 †) - (THIARIDAE) (FOSSIL)
- larvaecosta, Chicoreus larvaecosta A. Heilprin, 1887 † - syn of: Murexiella crispangula (A. Heilprin, 1897 †) - (MURICIDAE) (FOSSIL)
- larvaeformis, Cryptoconchus larvaeformis H.M.D. de Blainville in E.J. Burrow, 1815 - syn of: Cryptoplax larvaeformis (E.J. Burrow, 1815) - (ACANTHOCHITONIDAE)
- larvaeformis, Chiton larvaeformis H.M.D. de Blainville in E.J. Burrow, 1815 - syn of: Cryptoplax larvaeformis (E.J. Burrow, 1815) - (CHITONIDAE)
- larvaeformis, Cryptoplax larvaeformis (E.J. Burrow, 1815) - (CRYPTOPLACIDAE)
- larvaeformis, Goniobasis larvaeformis (L.A. Reeve, 1860) - (PLEUROCERIDAE)
- larvaeformis, Scaphites larvaeformis F.B. Meek & Hayden, 1859 † - (SCAPHITIDAE) (FOSSIL)
- larvaeformis, Terebra larvaeformis R.B. Hinds, 1844 - (TEREBRIDAE)
- larvaeformis obesus, Scaphites larvaeformis obesus Cobban, 1951 † - (SCAPHITIDAE) (FOSSIL)
- larvalis, Longobardites larvalis McLearn, 1946 † - syn of: Intomodesma pterineaeforme A.M. Popov, 1958 † - (LONGOBARDITIDAE) (FOSSIL)
- larvaroni, Natica larvaroni P.A. Bernard, 1983 - (NATICIDAE)
- larvata, Paraliospira larvata (Salter, 1859 †) - (EOTOMARIIDAE) (FOSSIL)
- larvata, Glycymeris larvata G.D. Hanna, 1924 - syn of: Glycymeris septentrionalis (A.T. von Middendorff, 1849) - (GLYCYMERIDIDAE)
- larvata, Azumapecten larvata (L.A. Reeve, 1853) - (PECTINIDAE)
- larvata, Chlamys larvata L.A. Reeve, 1853 - syn of: Laevichlamys squamosa larvata (L.A. Reeve, 1853) - (PECTINIDAE)
- larvata, Laevichlamys squamosa larvata (L.A. Reeve, 1853) - (PECTINIDAE)
- larvata, Martesia larvata É. Lamy, 1921 - syn of: Martesia striata (C. Linnaeus, 1758) - (PHOLADIDAE)
- larvatum, Allocrioceras larvatum (T.A. Conrad, 1855 †) - (ANISOCERATIDAE) (FOSSIL)
- larvatus, Conus larvatus H.A. Pilsbry & Johnson, 1922 † - (CONIDAE) (FOSSIL)
- larvatus, Buliminus larvatus C.M.F. Ancey, 1902 - syn of: Pseudonapaeus sogdianus (E.C. Von Martens, 1874) - (ENIDAE)
- larvatus, Pachychilus larvatus A. Brot, 1874 - syn of: Pachychilus chrysalis (A. Brot, 1872) - (PACHYCHILIDAE)
- larvula, Styloptygma larvula A. Adams, 1863 - (PYRAMIDELLIDAE)
- larwoodi, Hectoroceras larwoodi R. Casey 1973 † - (POLYPTYCHITIDAE) (FOSSIL)
- larwoodi, Hectoceras larwoodi R. Casey 1973 † - syn of: Hectoroceras larwoodi R. Casey 1973 † - (POLYPTYCHITIDAE) (FOSSIL)
- larzacensis, Beaniceras larzacensis Meister, 1986 † - (LIPAROCERATIDAE) (FOSSIL)
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