- loochooana, Acanthopleura loochooana (W.J. Broderip & G.B. I Sowerby, 1829) - (CHITONIDAE)
- loochooanum, Fragum loochooanum T. Kira, 1959 - syn of: Fragum scruposum (G.P. Deshayes, 1855) - (CARDIIDAE)
- loochooensis, Cocculina loochooensis F.S. MacNeil, 1960 † - (COCCULINIDAE) (FOSSIL)
- loochooensis, Conus loochooensis F.S. MacNeil, 1960 † - (CONIDAE) (FOSSIL)
- loochooensis, Neoguraleus loochooensis F.S. MacNeil, 1960 † - (MANGELIIDAE) (FOSSIL)
- loochooensis, Mathilda loochooensis F.S. MacNeil, 1960 † - (MATHILDIDAE) (FOSSIL)
- loochooensis, Fusimitra loochooensis F.S. MacNeil, 1960 † - (MITRIDAE) (FOSSIL)
- loochooensis, Buccinaria loochooensis F.S. MacNeil, 1960 † - (RAPHITOMIDAE) (FOSSIL)
- loochooensis, Pusula californica loochooensis C.N. Cate, 1979 - (TRIVIIDAE)
- loochooensis, Astralium loochooensis F.S. MacNeil, 1960 † - (TURBINIDAE) (FOSSIL)
- Loochooia, Genus Loochooia F.S. MacNeil, 1960 (BUCCINIDAE)
- looisii, Terebra looisii F.E. Guérin-Méneville, 1854 - syn of: Terebra robusta R.B. Hinds, 1844 - (TEREBRIDAE)
- loomisi, Conus loomisi Dall & Ochsner, 1928 † - (CONIDAE) (FOSSIL)
- loomisi, Odostomia loomisi W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- loomisi, Pseudodon loomisi C.T. Simpson, 1900 - syn of: Pseudodon omiensis H. von Heimburg, 1884 - (UNIONIDAE)
- looneyi, Paradimorphoceras looneyi (B. Phillips, 1836 †) - (DIMORPHOCERATIDAE) (FOSSIL)
- loosi, Physa loosi E.L. Holmberg, 1909 - (PHYSIDAE)
- loosjesi, Pseudohemiphaedusa loosjesi H. Nordsieck, 2002. - (CLAUSILIIDAE)
- loosjesi, Oospira loosjesi (A. Zilch, 1954) - (CLAUSILIIDAE)
- loosjesi, Albinaria xanthostoma loosjesi H. Nordsieck, 1977 - (CLAUSILIIDAE)
- Loosjesia, Genus Loosjesia H. Nordsieck 2002 (CLAUSILIIDAE)
- loosjesiana, Oospira loosjesiana (H.C. Ray & P. Roychoudhury, 1968) - (CLAUSILIIDAE)
- Loosjesiella, Subgenus Boettgeria (Loosjesiella) E. Neubert & K. Groh, 1977 (CLAUSILIIDAE)
- lopadusae, Lampedusa lopadusae (P. Calcara, 1846) - (CLAUSILIIDAE)
- lopadusae, Mastus lopadusae T.A. de M. Monterosato, 1892 - syn of: Jaminia pupa (C. Linnaeus, 1758) - (ENIDAE)
- lopadusae, Nassarius lopadusae F. Ghisotti, 1986 ex Monterosato ms † - syn of: Tritia cuvierii (B.C.M. Payraudeau, 1826 †) - (NASSARIIDAE) (FOSSIL)
- lopadusae nodulosa, Lampedusa lopadusae nodulosa (T.A. de M. Monterosato, 1892.) - (CLAUSILIIDAE)
- Lopadusaria, syn of: Genus Lampedusa O. Böttger, 1877 (CLAUSILIIDAE)
- Loparia, Genus Loparia Oppenheim, 1901 † (CARDIIDA (UNASSIGNED)) (FOSSIL)
- Lopatinia, Genus Lopatinia Schmidt, 1872 † (CUCULLAEIDAE) (FOSSIL)
- lopedusae, Granopupa lopedusae T.A. de M. Monterosato, 1892 - syn of: Granopupa granum (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- lopedusae, Lampedusa lopedusae P. Calcara, 1846 - syn of: Lampedusa lopadusae (P. Calcara, 1846) - (CLAUSILIIDAE)
- loperi, Triodopsis loperi H.A. Pilsbry - (POLYGYRIDAE)
- loperi, Haplocochlias loperi F. Rubio, E. Rolán & Y.C. Lee, 2013 - (SKENEIDAE)
- lopesi, Naesiotus lopesi H.E.B. Rezende, P.D. Lanzieri & F. Inada, 1972 - (BULIMULIDAE)
- lopesi, Mytilopsis lopesi L.C. Alvarenga & G.C. Ricci, 1989 - (DREISSENIDAE)
- lopesi, Ischnochiton lopesi P. Kaas, 1974 - (ISCHNOCHITONIDAE)
- lopesi, Megalobulimus lopesi J.L.M. Leme, 1984 - (MEGALOBULIMIDAE)
- lopesi, Subcancilla lopesi H.R. Matthews & A.C. dos Santos Coelho, 1969 - syn of: Subcancilla candida (L.A. Reeve, 1845) - (MITRIDAE)
- lopesi, Succinea lopesi P.D. Lanzieri, 1966 - (SUCCINEIDAE)
- Lopesianus, Genus Lopesianus W.K. Weyrauch, 1958 (BULIMULIDAE)
- lopezae, Volvarina lopezae J.A. Ortea, 2014 - (MARGINELLIDAE)
- lopezana, Massyla lopezana P.O. Jung & R.E. Petit, 1990 † - (CANCELLARIIDAE) (FOSSIL)
- lopezana, Dominitaria lopezana P.O. Jung, 1994 † - (COLUMBELLIDAE) (FOSSIL)
- lopezensis, Pisotrigonia lopezensis (Fuenzalida, 1965 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- lopezi, Naesiotus lopezi H.E.B. Rezende, P.D. Lanzieri & F. Inada, 1972 - syn of: Naesiotus lopesi H.E.B. Rezende, P.D. Lanzieri & F. Inada, 1972 - (BULIMULIDAE)
- lopezi, Abida lopezi M. Bech, 1973 - syn of: Abida polyodon (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- lopezi, Paradoris lopezi A. Hermosillo & Á. Valdés, 2004 - (DISCODORIDIDAE)
- lopezi, Lilloiconcha lopezi Araya & Aliaga, 2015 - (HELICODISCIDAE)
- Lopeziceras, Genus Lopeziceras Frau & al., 2016 † (HIMALAYITIDAE) (FOSSIL)
- lopezyartoi, Turbonilla lopezyartoi A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- Lopha, Genus Lopha P.F. Röding, 1798 (OSTREIDAE)
- lophaessus, Chicoreus lophaessus R. Tate, 1888 † - syn of: Chicoreus lophoessus R. Tate, 1888 † - (MURICIDAE) (FOSSIL)
- lophatus, Thorybopus lophatus P. Bouchet, 1977 - (DISCODORIDIDAE)
- Lophauchen, Genus Lophauchen O.F. von Möllendorff, 1901 (ENIDAE)
- lophauchena, Isabellaria lophauchena R. Sturany, 1894 - (CLAUSILIIDAE)
- Lopheliella, Genus Lopheliella L. Hoffman, B. van Heugten & M.S.S. Lavaleye, 2008 (SKENEIDAE)
- Lophiotoma, Genus Lophiotoma T.L. Casey, 1904 (TURRIDAE)
- Lophioturris, syn of: Genus Lophiotoma T.L. Casey, 1904 (TURRIDAE)
- Lophocardium, Genus Lophocardium P. Fischer, 1887 (CARDIIDAE)
- Lophoceras, Genus Lophoceras Hyatt, 1893 † (KONINCKIOCERATIDAE) (FOSSIL)
- Lophocercus, syn of: Genus Oxynoe C.S. Rafinesque, 1814 (OXYNOIDAE)
- Lophocheilus, syn of: Genus Megalobulimus K. Miller, 1878 (MEGALOBULIMIDAE)
- Lophochiton, syn of: Genus Callistochiton W.H. Dall, 1879 (CALLISTOPLACIDAE)
- Lophocochlias, Subgenus Haplocochlias (Lophocochlias) H.A. Pilsbry, 1921 (SKENEIDAE)
- Lophoconcha, Genus Lophoconcha Pojeta & Gilbert-Tomlinson, 1977 † (MALLETIIDAE) (FOSSIL)
- Lophodoris, Genus Lophodoris G.O. Sars, 1878 (GONIODORIDIDAE)
- lophoessa, Clathrodrillia lophoessa (R.B. Watson, 1882) - (DRILLIIDAE)
- lophoessa, Kurtzia lophoessa R.B. Watson, 1882 - syn of: Clathrodrillia lophoessa (R.B. Watson, 1882) - (MANGELIIDAE)
- lophoessa, Micropleurotomella lophoessa R.B. Watson, 1882 - syn of: Clathrodrillia lophoessa (R.B. Watson, 1882) - (TURRIDAE)
- lophoessus, Chicoreus lophoessus R. Tate, 1888 † - (MURICIDAE) (FOSSIL)
- lophoica, Helix lophoica D'Orbigny, 1835 - syn of: Drymaeus lophoicus (A.V.M.D. D'Orbigny, 1835) - (HELICIDAE)
- lophoicus, Drymaeus lophoicus (A.V.M.D. D'Orbigny, 1835) - (BULIMULIDAE)
- Lopholobites, Genus Lopholobites Hyatt in Eastman-Zittel, 1900 † (PULCHELLIIDAE) (FOSSIL)
- Lophomenia, Genus Lophomenia H. Heath, 1911 (PRUVOTINIDAE)
- Lophonema, Genus Lophonema Purdue & Miser, 1916 † (HELICOTOMIDAE) (FOSSIL)
- Lophonychia, Genus Lophonychia Pohl, 1929 † (AMBONYCHIIDAE) (FOSSIL)
- Lophopleura, syn of: Genus Lophopleurella A. Zilch, 1956 (OXYNOIDAE)
- Lophopleurella, Genus Lophopleurella A. Zilch, 1956 (OXYNOIDAE)
- Lophoprothyris, Subgenus Prothyris (Lophoprothyris) Hoare & al., 1989 † (PROTHYRIDAE) (FOSSIL)
- Lophorodoris, syn of: Genus Lophodoris G.O. Sars, 1878 (GONIODORIDIDAE)
- Lophosepion, syn of: Genus Sepia C. Linnaeus, 1758 (SEPIIDAE)
- Lophospira, Genus Lophospira Whitfield, 1886 † (LOPHOSPIRIDAE) (FOSSIL)
- LOPHOSPIRIDAE Wenz, 1938 † - Family (GASTROPODA-ORTHOGASTROPODA [Subclass]-MURCHISONIINA [Order]-TROCHONEMATOIDEA [Superfamily]) (FOSSIL)
- lophospiroides, Omospira lophospiroides Yü, 1961 † - (LOXONEMATIDAE) (FOSSIL)
- Lophotheca, Genus Lophotheca Qian , 1978 † (GRACILITHECIDAE) (FOSSIL)
- lophotum, Creniceras lophotum Oppel, 1863 † - (OPPELIIDAE) (FOSSIL)
- lophyra, Pterotrachea lophyra S. Delle Chiaje, 1828 - syn of: Carinaria lamarcki F. Péron & C.A. Lesueur, 1810 - (PTEROTRACHEIDAE)
- Lophyrisus, syn of: Genus Ischnochiton J.E. Gray, 1847 (ISCHNOCHITONIDAE)
- Lophyrochiton, syn of: Genus Ischnochiton J.E. Gray, 1847 (ISCHNOCHITONIDAE)
- LOPHYROCHITONIDAE - syn of Family: HANLEYIDAE
- Lophyropsis, syn of: Genus Leptochiton J.E. Gray, 1847 (LEPTOCHITONIDAE)
- Lophyrus, syn of: Subgenus Ischnochiton (Stenosemus) A.T. von Middendorff, 1847 (ISCHNOCHITONIDAE)
- lopingense, Orthoceras lopingense Stoyanow, 1910 † - syn of: Lopingoceras lopingense (Stoyanow, 1910 †) - (ORTHOCERATIDAE) (FOSSIL)
- lopingense, Lopingoceras lopingense (Stoyanow, 1910 †) - (SPYROCERATIDAE) (FOSSIL)
- lopingensis, Aviculopecten lopingensis Ku, 1948 † - (AVICULOPECTINIDAE) (FOSSIL)
- lopingensis, Schizodus lopingensis Kayser, 1883 † - (SCHIZODIDAE) (FOSSIL)
- Lopingoceras, Genus Lopingoceras Shimanskiy, 1962 † (SPYROCERATIDAE) (FOSSIL)
- Lopochites, Genus Lopochites Qian, 1977 † (SIPHOGONUCHITIDAE) (FOSSIL)
- loprestiana, Drilliola loprestiana (P. Calcara, 1841) - (BORSONIIDAE)
- loprestiana, Microdrillia loprestiana P. Calcara, 1841 - syn of: Drilliola loprestiana (P. Calcara, 1841) - (BORSONIIDAE)
- loprestiana, Pleurotoma loprestiana P. Calcara, 1841 - syn of: Drilliola loprestiana (P. Calcara, 1841) - (TURRIDAE)
- lopsiensis, Aulacostephanoceras lopsiensis Mesezhnikov, 1984 † - (AULACOSTEPHANIDAE) (FOSSIL)
- Lopupina, syn of: Subgenus Hedleya (Signepupina) T. Iredale, 1937 (PUPINIDAE)
- loques, Planaxis loques A. Risso, 1826 † - syn of: Tritia cuvierii (B.C.M. Payraudeau, 1826 †) - (PLANAXIDAE) (FOSSIL)
- lora, Paradoris lora (Er. Marcus, 1965) - (DISCODORIDIDAE)
- Lora, Genus Lora J. von Gistel, 1848 (TURRIDAE)
- Lorabela, Genus Lorabela A. Powell, 1951 (MANGELIIDAE)
- lorae, Viriatella lorae Alberti, 1993 † - (VIRIATELLIDAE) (FOSSIL)
- loraeformis, Mangelia loraeformis W.H. Dall, 1927 - (MANGELIIDAE)
- lorata, Achatinella lorata (A.E.J. Férussac, 1825) - (ACHATINELLIDAE)
- lorata, Helix lorata A.E.J. Férussac, 1825 - syn of: Achatinella lorata (A.E.J. Férussac, 1825) - (HELICIDAE)
- lorata, Avicula lorata Keyserling, 1846 † - (PTERIIDAE) (FOSSIL)
- lorata cestus, Achatinella lorata cestus W. Newcomb, 1854 - syn of: Achatinella apexfulva cestus W. Newcomb, 1854 - (ACHATINELLIDAE)
- lorata melanogama, Achatinella lorata melanogama H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- lorata nobilis, Achatinella lorata nobilis L. Pfeiffer, 1856 - (ACHATINELLIDAE)
- lorata pulchella, Achatinella lorata pulchella L. Pfeiffer, 1855 - (ACHATINELLIDAE)
- loratum, Platyteichum loratum C.O. Waterhouse, 1963 † - (GOSSELETINIDAE) (FOSSIL)
- lorcana, Melanopsis lorcana A. Guirao, 1854 - (MELANOPSIDAE)
- lorcana aynensis, Melanopsis lorcana aynensis Azpeitia moros, 1929 - (MELANOPSIDAE)
- lorcana etrusca, Melanopsis lorcana etrusca C.A. Westerlund, 1886 - (MELANOPSIDAE)
- lorcanus, Iberus lorcanus (E.A. Rossmässler, 1854) - syn of: Iberus campesinus L. Pfeiffer, 1846 - (HELICIDAE)
- lorda, Forsia lorda Saul, 1988 † - (PERISSITYIDAE) (FOSSIL)
- lordhoweensis, Gemmula lordhoweensis Y.I. Kantor & A.V. Sysoev, 1991 - (TURRIDAE)
- lordhowensis, Tornatellides lordhowensis M. Shea & R.J. Griffiths, 2010 - (ACHATINELLIDAE)
- lordhowensis, Merelina lordhowensis F. Criscione & W.F. Ponder, 2011 - (RISSOIDAE)
- lordi, Archiphysa lordi (W. Baird, 1863) - (PHYSIDAE)
- lordi, Turbonilla lordi E.A. Smith, 1880 - syn of: Turbonilla lordii (E.A. Smith, 1880) - (PYRAMIDELLIDAE)
- lordi, Nutricola lordi (W. Baird, 1863) - (VENERIDAE)
- lordii, Turbonilla lordii (E.A. Smith, 1880) - (PYRAMIDELLIDAE)
- lorea, Dilora lorea J. Marwick, 1948 † - (LUCINIDAE) (FOSSIL)
- lorellae, Odostomia lorellae P. Micali, 1987 - (PYRAMIDELLIDAE)
- Lorelliana, Genus Lorelliana Stanisic, 2016 (CAMAENIDAE)
- lorenae, Prunum lorenae J. Espinosa & J.A. Ortea, 2013 - (MARGINELLIDAE)
- lorentheyi, Melanopsis lorentheyi N.I. Andrusov, 1909 † - (MELANOPSIDAE) (FOSSIL)
- lorentheyi, Gyraulus lorentheyi (Š. Brusina, 1902 ) - (PLANORBIDAE)
- lorentheyi, Valvata lorentheyi W.A. Wenz, 1928 † - (VALVATIDAE) (FOSSIL)
- lorentzi, Virgus lorentzi M.M. Schepman, 1919 - syn of: Hyridella misoolensis (M.M. Schepman, 1897) - (HYRIIDAE)
- lorentzianum, Ostrea lorentzianum P.F. Röding, 1798 - syn of: Euvola laurenti (J.F. Gmelin, 1791) - (OSTREIDAE)
- lorentzianum, Euvola lorentzianum P.F. Röding, 1798 - syn of: Euvola laurenti (J.F. Gmelin, 1791) - (PECTINIDAE)
- lorentzianus, Megalobulimus lorentzianus A. Doering, 1876 - syn of: Megalobulimus oblongus lorentzianus (A. Doering, 1876) - (MEGALOBULIMIDAE)
- lorentzianus, Megalobulimus oblongus lorentzianus (A. Doering, 1876) - (MEGALOBULIMIDAE)
- lorentzianus, Strophocheilus lorentzianus A. Doering - (STROPHOCHEILIDAE)
- lorenzana, Cardium lorenzana R. Arnold, 1925 † - syn of: Anechinocardium lorenzanum (R. Arnold, 1908 †) - (CARDIIDAE) (FOSSIL)
- lorenzana, Eosolen lorenzana (Wagner & Schilling, 1923 †) - (SOLENIDAE) (FOSSIL)
- lorenzana, Turritella lorenzana Wagner & Schilling, 1923 † - (TURRITELLIDAE) (FOSSIL)
- lorenzanum, Anechinocardium lorenzanum (R. Arnold, 1908 †) - (CARDIIDAE) (FOSSIL)
- lorenzi, Corculum lorenzi M. Huber, 2013 - (CARDIIDAE)
- lorenzi, Mitrella lorenzi D. Monsecour & D. Monsecour, 2014 - (COLUMBELLIDAE)
- lorenzi, Conasprella lorenzi E. Monnier & L. Limpalaër, 2012 - (CONIDAE)
- lorenzi, Ceratoxancus lorenzi G.T. Poppe, S.P. Tagaro & J. Sarino, 2012 - (COSTELLARIIDAE)
- lorenzi, Chryseofusus lorenzi K. Fraussen & P. Stahlschmidt, 2014 - (FASCIOLARIIDAE)
- lorenzi, Morum lorenzi (D. Monsecour, 2011) - (HARPIDAE)
- lorenzi, Oniscidia lorenzi D. Monsecour, 2011 - syn of: Morum lorenzi (D. Monsecour, 2011) - (HARPIDAE)
- lorenzi, Demissa lorenzi F. Boyer, 2016 - (MARGINELLIDAE)
- lorenzi, Nebularia lorenzi G.T. Poppe & S.P. Tagaro, 2006 - (MITRIDAE)
- lorenzi, Chicoreus lorenzi R. Houart, 2009 - (MURICIDAE)
- lorenzi, Haustellum lorenzi R. Houart, 2013 - (MURICIDAE)
- lorenzi, Dentiovula lorenzi D. Fehse, 2011 - (OVULIDAE)
- lorenzi, Pelagiella lorenzi Kobayashi, 1939 † - (PELAGIELLIDAE) (FOSSIL)
- lorenzi, Rostellariella lorenzi H. Morrison, 2005 - (ROSTELLARIIDAE)
- lorenzi, Scissurella lorenzi D.L. Geiger, 2006 - (SCISSURELLIDAE)
- lorenzi, Tridacna lorenzi D. Monsecour, 2016 - (TRIDACNIDAE)
- lorenzi, Triviella lorenzi D. Fehse, 2016 - (TRIVIIDAE)
- lorenzi, Turbo lorenzi A. Alf & K. Kreipl, 2015 - (TURBINIDAE)
- lorenziana, Gibberula lorenziana L. Bozzetti, 1997 - (CYSTISCIDAE)
- lorenziana, Venus lorenziana L.W. Dillwyn, 1817 - syn of: Lioconcha castrensis (C. Linnaeus, 1758) - (VENERIDAE)
- lorenzianus, Conus lorenzianus L.W. Dillwyn, 1817 - syn of: Lindaconus spurius lorenzianus (L.W. Dillwyn, 1817) - (CONIDAE)
- lorenzianus, Conus lorenzianus Auct. non L.W. Dillwyn, 1817 - syn of: Gradiconus cingulatus (J.B.P.A. Lamarck, 1810) - (CONIDAE)
- lorenzianus, Lindaconus spurius lorenzianus (L.W. Dillwyn, 1817) - (CONIDAE)
- Lorenzicypraea, syn of: Genus Macrocypraea F.A. Schilder, 1930 (CYPRAEIDAE)
- lorenzii, Marginella lorenzii L. Bozzetti, 1995 - syn of: Marginella lineatolabrum J.S. Gaskoin, 1840 - (MARGINELLIDAE)
- lorenzinii, Clathropsis lorenzinii A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- lorenzoensis, Abyssotrophon lorenzoensis (J.W. Durham, 1942) - (MURICIDAE)
- lorenzoensis, Eurytellina lorenzoensis R. Arnold, 1908 † - (TELLINIDAE) (FOSSIL)
- lorenzoi, Marshallopsis lorenzoi A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- lorenzoi, Tubercliopsis lorenzoi A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- lorenzoi, Volvarina lorenzoi J. Espinosa, J.A. Ortea & G. Pérez-Dionis, 2014 - (MARGINELLIDAE)
- lorenzoi, Abra tenuis lorenzoi A. Cecalupo, G. Buzzurro & M. Mariani, 2008 - (SEMELIDAE)
- loria, Leptadrillia loria P. Bartsch, 1934 - (DRILLIIDAE)
- Lorica, Genus Lorica H. Adams & A. Adams, 1852 (LORICIDAE)
- loricata, Deslongchampsia loricata Laube, 1867 † - (ACMAEIDAE) (FOSSIL)
- loricata, Anadara loricata L.A. Reeve, 1844 - syn of: Anadara inaequivalvis (J.G. Bruguière, 1789) - (ARCIDAE)
- loricata, Asperspina loricata (B. Swedmark, 1968) - (ASPERSPINIDAE)
- loricata, Hedylopsis loricata B. Swedmark, 1968 - syn of: Asperspina loricata (B. Swedmark, 1968) - (HEDYLOPSIDAE)
- loricata, Mitra loricata L.A. Reeve, 1844 - syn of: Nebularia pyramis loricata L.A. Reeve, 1844 - (MITRIDAE)
- loricata, Nebularia pyramis loricata L.A. Reeve, 1844 - (MITRIDAE)
- loricata, Phyllidiopsis loricata (L.S.R. Bergh, 1873) - (PHYLLIDIIDAE)
- loricata, Trilobopsis loricata (A.A. Gould, 1846) - (POLYGYRIDAE)
- loricatum, Cymatoceras loricatum (Schluter, 1876 †) - (CYMATOCERATIDAE) (FOSSIL)
- loricatum, Platyostoma cornutum loricatum Lindström, 1884 † - (PLATYCERATIDAE) (FOSSIL)
- loricatum, Cancellspyroceras loricatum (Barrande, 1868 †) - (SPYROCERATIDAE) (FOSSIL)
- loricatus, Euhoplites loricatus Spath, 1925 † - (HOPLITIDAE) (FOSSIL)
- loricatus, Paludomus loricatus L.A. Reeve, 1847 - (PALUDOMIDAE)
- loricea, Mitra loricea H. Drouët, 1858 - syn of: Mitra cornicula (C. Linnaeus, 1758) - (MITRIDAE)
- Loricella, Genus Loricella H.A. Pilsbry, 1893 (LORICIDAE)
- LORICIDAE Iredale & Hull, 1923 - Family (POLYPLACOPHORA-NEOLORICATA [Subclass]-CHITONIDA [Order]-CHITONINA [Suborder]-CHITONOIDEA [Superfamily])
- loriei, Benthonella loriei N.E. Weisbord, 1962 † - (RISSOIDAE) (FOSSIL)
- lorierei, Ampullina lorierei (A.V.M.D. D'Orbigny, 1850 †) - (AMPULLINIDAE) (FOSSIL)
- lorierei, Natica lorierei A.V.M.D. D'Orbigny, 1850 † - syn of: Ampullina lorierei (A.V.M.D. D'Orbigny, 1850 †) - (NATICIDAE) (FOSSIL)
- lorierei canina, Ampullina lorierei canina (W.H. Hudleston, 1882 †) - (AMPULLINIDAE) (FOSSIL)
- lorierei proxima, Ampullina lorierei proxima W.H. Hudleston, 1882 † - (AMPULLINIDAE) (FOSSIL)
- lorieri, Dicroloma lorieri (A.V.M.D. D'Orbigny, 1850 †) - (APORRHAIDAE) (FOSSIL)
- lorieri, Alaria lorieri A.V.M.D. D'Orbigny, 1850 † - syn of: Dicroloma lorieri (A.V.M.D. D'Orbigny, 1850 †) - (APORRHAIDAE) (FOSSIL)
- lorieri, Cerithium lorieri Hebert & Deslongchamps, 1860 † - syn of: Neocryptaulax lorieri (Hebert & Deslongchamps, 1860 †) - (CERITHIIDAE) (FOSSIL)
- lorieri, Neocryptaulax lorieri (Hebert & Deslongchamps, 1860 †) - (CRYPTAULACIDAE) (FOSSIL)
- lorieri, Goniocylindrites lorieri Calzada & Forner, 1996 † - (CYLINDROBULLINIDAE) (FOSSIL)
- lorieri, Lorieroceras lorieri (Barrande, 1870 †) - (NOTHOCERATIDAE) (FOSSIL)
- lorieri, Pterocera lorieri A.V.M.D. D'Orbigny, 1850 † - syn of: Dicroloma lorieri (A.V.M.D. D'Orbigny, 1850 †) - (STROMBIDAE) (FOSSIL)
- lorieri canina, Natica lorieri canina W.H. Hudleston, 1882 † - syn of: Ampullina lorierei canina (W.H. Hudleston, 1882 †) - (NATICIDAE) (FOSSIL)
- Lorieroceras, Genus Lorieroceras Foerste, 1926 † (NOTHOCERATIDAE) (FOSSIL)
- lorigae, Eumorphotis lorigae Posenato, 2005 † - (HETEROPECTINIDAE) (FOSSIL)
- lorigae, Zestoceras lorigae P. Mietto & Manfrin, 2008 † - (TRACHYCERATIDAE) (FOSSIL)
- lorigera, Lycoteuthis lorigera (J.J.S. Steenstrup, 1875) - (LYCOTEUTHIDAE)
- lorigera, Sepia lorigera G. Wülker, 1910 - (SEPIIDAE)
- lorinae, Charpentieria clavata lorinae (P.V. Gredler, 1869) - (CLAUSILIIDAE)
- Loringella, Subgenus Limopsis (Loringella) T. Iredale, 1929 (LIMOPSIDAE)
- loringi, Goniobranchus loringi (G.F. Angas, 1864) - (CHROMODORIDIDAE)
- loringi, Goniodoris loringi G.F. Angas, 1864 - syn of: Goniobranchus loringi (G.F. Angas, 1864) - (GONIODORIDIDAE)
- loringi, Limopsis loringi G.F. Angas, 1873 - (LIMOPSIDAE)
- loringi, Nucula loringi A. Adams & G.F. Angas, 1864 - syn of: Ennucula cumingii (R.B. Hinds, 1843) - (NUCULIDAE)
- lorioli, Anahamulina lorioli (Uhlig, 1883 †) - (ANAHAMULINIDAE) (FOSSIL)
- lorioli, Ancyloceras lorioli Matheron, 1880 † - syn of: Crioceratites lorioli (Matheron, 1880 †) - (ANCYLOCERATIDAE) (FOSSIL)
- lorioli, Crioceratites lorioli (Matheron, 1880 †) - (CRIOCERATITIDAE) (FOSSIL)
- lorioli, Balearites lorioli Dimitrova, 1967 † - (CRIOCERATITIDAE) (FOSSIL)
- lorioli, Biarmatoidella lorioli (Greppin, 1898 †) - (EUCYCLIDAE) (FOSSIL)
- lorioli, Melanopsis lorioli É.A.A. Locard, 1893 † - (MELANOPSIDAE) (FOSSIL)
- lorioli, Euspira lorioli G.P. Deshayes, 1864 † - (NATICIDAE) (FOSSIL)
- lorioli, Pseudosubplanites lorioli (C.A. von Zittel, 1868 †) - (NEOCOMITIDAE) (FOSSIL)
- lorioli, Paracenoceras lorioli (von Loesch, 1914 †) - (PARACENOCERATIDAE) (FOSSIL)
- lorioli, Villania lorioli (Hug 1899 †) - (PHRICODOCERATIDAE) (FOSSIL)
- lorioli, Purpuroidea lorioli A.E.M. Cossmann, 1913 † - (PURPUROIDEIDAE) (FOSSIL)
- lorioli, Odostomia lorioli (A. Hornung & G. Mermod, 1924) - (PYRAMIDELLIDAE)
- lorioli, Corbicellopsis lorioli Cox † - (TANCREDIIDAE) (FOSSIL)
- lorioli, Trochus lorioli Greppin, 1898 † - syn of: Biarmatoidella lorioli (Greppin, 1898 †) - (TROCHIDAE) (FOSSIL)
- lorioliana, Cupedora lorioliana (J.C.H. Crosse, 1863) - (CAMAENIDAE)
- lorioliana, Helix lorioliana J.C.H. Crosse, 1863 - syn of: Cupedora lorioliana (J.C.H. Crosse, 1863) - (HELICIDAE)
- Lorioloceras, Genus Lorioloceras Spath, 1928 † (OPPELIIDAE) (FOSSIL)
- loripana, Mormula loripana H.A. Pilsbry & A.A. Olsson, 1941 † - (PYRAMIDELLIDAE) (FOSSIL)
- loripanum, Epitonium loripanum H.A. Pilsbry & A.A. Olsson, 1941 † - (EPITONIIDAE) (FOSSIL)
- loripanus, Strombinophos loripanus H.A. Pilsbry & A.A. Olsson, 1941 † - (NASSARIIDAE) (FOSSIL)
- Loripedes, syn of: Genus Loripes G.S. Poli, 1791 (LUCINIDAE)
- Loripes, Genus Loripes G.S. Poli, 1791 (LUCINIDAE)
- Loripinus, Genus Loripinus T.A. de M. Monterosato, 1883 (LUCINIDAE)
- Loripoderma, syn of: Genus Loripes G.S. Poli, 1791 (LUCINIDAE)
- lorkovici, Theodoxus lorkovici (Š. Brusina, 1878 †) - (NERITIDAE) (FOSSIL)
- lornae, Reesidites lornae (van Hoepen, 1968 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- lornae, Itwebeoceras lornae van Hoepen, 1968 † - syn of: Reesidites lornae (van Hoepen, 1968 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- lornae, Gulella lornae B. Verdcourt, 1953 - (STREPTAXIDAE)
- lornensis, Tucetona lornensis (J. Marwick, 1923 †) - (GLYCYMERIDIDAE) (FOSSIL)
- lornensis, Gregariella lornensis (C.R. Laws, 1932 †) - (MYTILIDAE) (FOSSIL)
- lornensis, Zeacolpus lornensis (J. Marwick, 1926 †) - (TURRITELLIDAE) (FOSSIL)
- lornensis, Thylacodes lornensis (J. Marwick, 1926 †) - (VERMETIDAE) (FOSSIL)
- lornensis, Volutomitra lornensis (J. Marwick, 1926 †) - (VOLUTOMITRIDAE) (FOSSIL)
- loroglossicola, Candidula loroglossicola J.F. Mabille, 1877 - syn of: Candidula gigaxii (L. Pfeiffer, 1850) - (HYGROMIIDAE)
- loroisi, Terebra loroisi G.P. Deshayes, 1859 - syn of: Terebra guttata (P.F. Röding, 1798) - (TEREBRIDAE)
- loroisi, Harpulina lapponica loroisi (A. Valenciennes, 1863) - (VOLUTIDAE)
- loroisiana, Corona regalis loroisiana (L.H. Hupé, 1857) - (ORTHALICIDAE)
- loroisii, Conus loroisii L.C. Kiener, 1845 - syn of: Dendroconus buxeus loroisii L.C. Kiener, 1846 - (CONIDAE)
- loroisii, Dendroconus buxeus loroisii L.C. Kiener, 1846 - (CONIDAE)
- loroisii, Marginella loroisii A.C. Bernardi, 1857 - syn of: Prunum saulcyanum (S.A.A. Petit De La Saussaye, 1851) - (MARGINELLIDAE)
- loroisii, Cymatium loroisii S.A.A. Petit De La Saussaye, 1852 - syn of: Turritriton labiosus (Wood, 1828) - (RANELLIDAE)
- loroisii, Terebra loroisii F.E. Guérin-Méneville, 1854 - syn of: Terebra robusta R.B. Hinds, 1844 - (TEREBRIDAE)
- loroliana, Cupedora loroliana J.C.H. Crosse, 1863 - syn of: Cupedora lorioliana (J.C.H. Crosse, 1863) - (CAMAENIDAE)
- lorrainae, Melanochlamys lorrainae (W.B. Rudman, 1968) - (AGLAJIDAE)
- lorrainensis, Ctenodonta lorrainensis Foerste, 1914 † - syn of: Nucularca lorrainensis (Foerste, 1914 †) - (CTENODONTIDAE) (FOSSIL)
- lorrainensis, Nucularca lorrainensis (Foerste, 1914 †) - (NUCULARCIDAE) (FOSSIL)
- lorraini, Papilliphaedusa lorraini (K.T. Menke, 1856) - (CLAUSILIIDAE)
- lorraini, Raphaulus lorraini L. Pfeiffer, 1856 - (PUPINIDAE)
- lorteti, Hammatoceras lorteti Dumortier, 1874 † - (HAMMATOCERATIDAE) (FOSSIL)
- lorteti, Unio lorteti L.C. Lortet, 1880 - syn of: Unio terminalis J.R. Bourguignat, 1852 - (UNIONIDAE)
- lortetiana, Melanopsis lortetiana É.A.A. Locard, 1883 - (MELANOPSIDAE)
- Lortiella, Subgenus Hyridella (Lortiella) T. Iredale, 1934 (HYRIIDAE)
- loryi, Crioceratites loryi Sarkar, 1955 † - (CRIOCERATITIDAE) (FOSSIL)
- loryi, Tectus loryi d'Archaic & Haime, 1853 † - (TEGULIDAE) (FOSSIL)
- loryi, Pseudophyllites loryi Kilian & Reboul, 1909 † - (TETRAGONITIDAE) (FOSSIL)
- losadae, Diplodon losadae F. Haas, 1966 - (HYRIIDAE)
- losadai, Trigonia losadai H.A. Leanza, 1993 † - (TRIGONIIDAE) (FOSSIL)
- losariense, Tonna losariense K. Martin, 1899 - syn of: Linatella caudata (J.F. Gmelin, 1791) - (TONNIDAE)
- losariensis, Drillia losariensis Martin, 1895 - (DRILLIIDAE)
- loscombei, Lima loscombei Sowerby, 1820 † - (LIMIDAE) (FOSSIL)
- loscombeus, Solecurtus loscombeus W.E. Leach in J.E. Gray, 1852 - syn of: Solecurtus scopula (W. Turton, 1822) - (SOLECURTIDAE)
- loscombi, Tragophylloceras loscombi (Sowerby, 1814 †) - (JURAPHYLLITIDAE) (FOSSIL)
- loscombi, Limaria loscombi (G.B. I Sowerby, 1823) - (LIMIDAE)
- loscombiana, Pholadidea loscombiana W. Turton, 1819 - (PHOLADIDAE)
- loscombii, Lima loscombii E.A. Smith, 1885 - syn of: Escalima goughensis (J.C. Melvill & R. Standen, 1907) - (LIMIDAE)
- Loscotaphrus, Subgenus Cyrtochetus (Loscotaphrus) Harris, 1897 † (BUCCINIDAE) (FOSSIL)
- loshka, Leda loshka W.H. Dall, 1908 - syn of: Jupiteria wolffi - (NUCULANIDAE)
- loshka, Nucula loshka W.H. Dall, 1908 - syn of: Jupiteria wolffi - (NUCULIDAE)
- losquemadica, Anadara losquemadica C.J. Maury, 1917 - syn of: Anadara dariensis progonica W.P. Woodring, 1973 - (ARCIDAE)
- losquemadica, Agatrix losquemadica P.O. Jung & R.E. Petit, 1990 † - (CANCELLARIIDAE) (FOSSIL)
- losquemadica, Tribia losquemadica C.J. Maury, 1917 † - (CANCELLARIIDAE) (FOSSIL)
- losquemadica, Drillia losquemadica C.J. Maury, 1917 † - syn of: Crassispira losquemadica (C.J. Maury, 1917 †) - (DRILLIIDAE) (FOSSIL)
- losquemadica, Nassarius losquemadica C.J. Maury, 1917 † - (NASSARIIDAE) (FOSSIL)
- losquemadica, Crassispira losquemadica (C.J. Maury, 1917 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- losseni, Euchondria losseni A. von Koenen, 1879 † - (EUCHONDRIIDAE) (FOSSIL)
- lossmanicus, Liguus fasciatus lossmanicus H.A. Pilsbry, 1912 - (ORTHALICIDAE)
- Lostena, syn of: Genus Hemistena C.S. Rafinesque, 1820 (UNIONIDAE)
- lota, Erosaria lota C. Linnaeus, 1758 - syn of: Erosaria spurca (C. Linnaeus, 1758) - (CYPRAEIDAE)
- lota, Eucithara lota (A.A. Gould, 1860) - (MANGELIIDAE)
- lota, Mitra lota L.A. Reeve, 1845 - syn of: Pusia lotum (L.A. Reeve, 1845) - (MITRIDAE)
- lotenoense, Corongoceras lotenoense (Spath, 1925 †) - (HIMALAYITIDAE) (FOSSIL)
- lotenoensis, Isognomon lotenoensis (C.S. Weaver †) - (PTERIIDAE) (FOSSIL)
- lotensis, Mactra lotensis R.A. Philippi, 1893 - syn of: Mulinia byronensis Gray, 1837 - (MACTRIDAE)
- lothari, Deroceras lothari F.L. Giusti, 1971 - (AGRIOLIMACIDAE)
- lothari, Xerocrassa simulata lothari H.K. Mienis - (HYGROMIIDAE)
- lothari, Parataxioceras lothari † - (PERISPHINCTIDAE) (FOSSIL)
- Lotharia, Genus Lotharia A.A. Schileyko, 1986 (OXYCHILIDAE)
- lotharingica, Pleydellia lotharingica Branco, 1879 † - (HILDOCERATIDAE) (FOSSIL)
- lotharingicum, Crussoliceras lotharingicum Énay, Gallois & Etches, 2014 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- lotharingicum, Hammatoceras lotharingicum Benecke, 1905 † - syn of: Bredyia brancoi Prinz, 1904 † - (HAMMATOCERATIDAE) (FOSSIL)
- lotharingius, Gleviceras lotharingius (Reynes, 1879 †) - (OXYNOTICERATIDAE) (FOSSIL)
- lothei, Bathypolypus lothei C. Chun, 1913 - syn of: Bathypolypus ergasticus (P. Fischer & H. Fischer, 1892) - (BATHYPOLYPODIDAE)
- lothei, Benthoctopus lothei C. Chun, 1913 - syn of: Bathypolypus ergasticus (P. Fischer & H. Fischer, 1892) - (OCTOPODIDAE)
- lothei, Octopus lothei C. Chun, 1913 - syn of: Bathypolypus ergasticus (P. Fischer & H. Fischer, 1892) - (OCTOPODIDAE)
- Lotia, syn of: Genus Liotinaria T. Habe, 1955 (LIOTIIDAE)
- lotor, Cymatium lotor P.D. Montfort, 1810 - syn of: Cymatium femorale (C. Linnaeus, 1758) - (RANELLIDAE)
- Lotoria, Genus Lotoria W.K. Emerson & W.E. Old, 1963 (RANELLIDAE)
- lotorium, Pteria lotorium J.B.P.A. Lamarck, 1819 - syn of: Pteria penguin (P.F. Röding, 1798) - (PTERIIDAE)
- lotorium, Cymatium lotorium (C. Linnaeus, 1758) - (RANELLIDAE)
- lotorium, Charonia lotorium J.B.P.A. Lamarck, 1816 - syn of: Cymatium femorale (C. Linnaeus, 1758) - (RANELLIDAE)
- lotorium, Monoplex lotorium J.H.F. Link, 1807 - syn of: Monoplex nicobaricus (P.F. Röding, 1798) - (RANELLIDAE)
- lotorium, Lotoria lotorium C. Linnaeus, 1758 - syn of: Cymatium lotorium (C. Linnaeus, 1758) - (RANELLIDAE)
- Lotorium, syn of: Genus Cymatium P.F. Röding, 1798 (RANELLIDAE)
- lotrensis, Lytopelte lotrensis A.V. Grossu, 1964 - (LIMACIDAE)
- lotta, Oenopota lotta W.H. Dall, 1919 - syn of: Granotoma krausei (W.H. Dall, 1887) - (MANGELIIDAE)
- lottae, Cylichna lottae K.J. Bush, 1893 - (CYLICHNIDAE)
- lottae, Diaphana lottae K.J. Bush, 1893 - (DIAPHANIDAE)
- lottae, Azorilla lottae (A.E. Verrill, 1885) - (RAPHITOMIDAE)
- lottae, Pleurotomella lottae A.E. Verrill, 1885 - syn of: Azorilla lottae (A.E. Verrill, 1885) - (RAPHITOMIDAE)
- Lottia, Genus Lottia J.E. Gray, 1833 (LOTTIIDAE)
- lottii, Emaciaticeras lottii (C. Gemmellaro, 1885 †) - (HILDOCERATIDAE) (FOSSIL)
- LOTTIIDAE Gray, 1840 - Family (GASTROPODA-PATELLOGASTROPODA [Subclass]-LOTTIOIDEA [Superfamily])
- lottini, Eolidia lottini R.P. Lesson, 1831 - syn of: Phidiana lottini (R.P. Lesson, 1831) - (AEOLIDIIDAE)
- lottini, Phidiana lottini (R.P. Lesson, 1831) - (FACELINIDAE)
- lotum, Pusia lotum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- lotus, Kurodacirsa lotus H. Masahito & T. Habe, 1975 - (EPITONIIDAE)
- Lotzeites, Genus Lotzeites Wiedmann , 1960 † (ACANTHOCERATIDAE) (FOSSIL)
- lotzi, Aturia lotzi Bohm & Weisfermel, 1913 † - (ATURIIDAE) (FOSSIL)
- lotzi, Clymenia lotzi Wedekind, 1908 † - syn of: Platyclymenia lotzi (Wedekind, 1908 †) - (CLYMENIIDAE) (FOSSIL)
- lotzi, Protactoclymenia lotzi Wedekind, 1908 † - syn of: Platyclymenia lotzi (Wedekind, 1908 †) - (CYRTOCLYMENIIDAE) (FOSSIL)
- lotzi, Paffrathia lotzi (Frýda, 1998 †) - (PLATYCERATIDAE) (FOSSIL)
- lotzi, Platyclymenia lotzi (Wedekind, 1908 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- lotzi, Streptosiphon lotzi Bohm, 1926 † - (TURBINELLIDAE) (FOSSIL)
- Lotzia, Genus Lotzia Heidelberger, 2001 † (PLATYCERATIDAE) (FOSSIL)
- loucoubeensis, Kalidos loucoubeensis E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1994 - (ARIOPHANTIDAE)
- loucoubensis, Ampelita omphalodes loucoubensis J.C.H. Crosse - (ACAVIDAE)
- louderbacki, Lesueurilla louderbacki Endo, 1932 † - (LESUEURILLIDAE) (FOSSIL)
- louderbacki, Tanaodon louderbacki (T.W. Kirk, 1927 †) - (LYRODESMATIDAE) (FOSSIL)
- louderbacki, Tanodon louderbacki T.W. Kirk, 1927 † - syn of: Tanaodon louderbacki (T.W. Kirk, 1927 †) - (LYRODESMATIDAE) (FOSSIL)
- louderbacki, Tropigastrites louderbacki (A. Hyatt & Smith, 1905 †) - (PROTEUSITIDAE) (FOSSIL)
- louderbacki, Sibyllites louderbacki A. Hyatt & Smith, 1905 † - syn of: Tropigastrites louderbacki (A. Hyatt & Smith, 1905 †) - (TROPITIDAE) (FOSSIL)
- loueli, Rissoina loueli (G.P. Deshayes, 1856 †) - (RISSOINIDAE) (FOSSIL)
- loueli nogradensi, Rissoina loueli nogradensi M. Csepreghy, 1954 † - (RISSOINIDAE) (FOSSIL)
- Louella, Genus Louella Cooper & Leanza, 2017 † (STEINMANELLIDAE)
- louella, Meekia louella Saul & W.P. Popenoe, 1962 † - (TANCREDIIDAE) (FOSSIL)
- louellae, Tessarolax louellae R.L. Squires in Saul & R.L. Squires, 2015 † - (APORRHAIDAE) (FOSSIL)
- louellae, Eocypraea louellae A.E.M. Cossmann 1903 † - (EOCYPRAEIDAE) (FOSSIL)
- loui, Aeolidia loui Kienberger, L. Carmona & al., 2016 - (AEOLIDIIDAE)
- louisa, Mangelia louisa W.H. Dall, 1919 - (MANGELIIDAE)
- louisae, Bostryx louisae A.S.H. Breure, 1978 - (BULIMULIDAE)
- louisae, Cerithium louisae G. Schmelz, 1997 † - (CERITHIIDAE) (FOSSIL)
- louisae, Gibberula louisae (A.R.J.B. Bavay, 1913) - (CYSTISCIDAE)
- louisae, Marginella louisae A.R.J.B. Bavay, 1913 - syn of: Gibberula louisae (A.R.J.B. Bavay, 1913) - (MARGINELLIDAE)
- louisae, Chicoreus louisae E.H. Vokes, 1990 † - (MURICIDAE) (FOSSIL)
- louisae, Halgyrineum louisae (Lewis, 1974) - (RANELLIDAE)
- louisae, Daphnella louisae D. De Jong & H.E. Coomans, 1988 - (RAPHITOMIDAE)
- louiseae, Obba louiseae N.N. Thach, 2016 - (CAMAENIDAE)
- louiseae, Limatula louiseae A.H. Clarke, 1974 - (LIMIDAE)
- louiseae, Propeleda louiseae (A.H. Clarke, 1961) - (NUCULANIDAE)
- louiseae, Thestyleda louiseae A.H. Clarke, 1961 - syn of: Propeleda louiseae (A.H. Clarke, 1961) - (NUCULANIDAE)
- louiseae, Turbonilla louiseae A.H. Clarke, 1954 - (PYRAMIDELLIDAE)
- louiseae, Seguenzia louiseae A.H. Clarke, 1961 - (SEGUENZIIDAE)
- louisensis, Mangelia louisensis G.B. III Sowerby, 1894 - (MANGELIIDAE)
- louisi, Cristataria florieni louisi (P.M. Pallary, 1939) - (CLAUSILIIDAE)
- louisi, Daphniola louisi A. Falniowski & M. Szarowska, 2000 - (HYDROBIIDAE)
- louisi, Nassarius louisi (P.M. Pallary, 1912) - (NASSARIIDAE)
- Louisia, Genus Louisia H.H. Godwin-Austen, 1908 (HELICARIONIDAE)
- louisiadarum, Paryphantopsis louisiadarum (O.F. von Möllendorff, 1899) - (CHAROPIDAE)
- louisiadensis, Rhynchotrochus louisiadensis (E. Forbes, 1851) - (CAMAENIDAE)
- louisiadensis, Pupinoa louisiadensis W.J. Clench, 1949 - (PUPINIDAE)
- louisiana, Jorgenia louisiana D.W. Taylor & E.A. Glover, 2009 - (LUCINIDAE)
- louisiana, Solariella louisiana † - (SOLARIELLIDAE) (FOSSIL)
- louisianae, Vioscalba louisianae J.P.E. Morrison, 1965 - (HYDROBIIDAE)
- louisianense, Acutimitoceras louisianense (Rowley, 1895 †) - (GATTENDORFIIDAE) (FOSSIL)
- louisianensis, Goniatites louisianensis Rowley, 1895 † - syn of: Acutimitoceras louisianense (Rowley, 1895 †) - (GONIATITIDAE) (FOSSIL)
- louisianensis, Prolecanites louisianensis Rowley, 1895 † - (PROLECANITIDAE) (FOSSIL)
- louisiensis, Barbierella louisiensis (J.M.R.M. Viader, 1951) - (LUCINIDAE)
- louisvillae, Meekospira louisvillae (J.W. Hall & R.P. Whitfield, 1872 †) - (MEEKOSPIRIDAE) (FOSSIL)
- louisvillae, Polyphemopsis louisvillae J.W. Hall & R.P. Whitfield, 1872 † - syn of: Meekospira louisvillae (J.W. Hall & R.P. Whitfield, 1872 †) - (MEEKOSPIRIDAE) (FOSSIL)
- louisvillensis, Goniobasis louisvillensis I. Lea, 1863 - (PLEUROCERIDAE)
- louphaphontaensis, Knightoceras louphaphontaensis Ramsbottom & Moore, 1961 † - (KONINCKIOCERATIDAE) (FOSSIL)
- lourdesae, Favartia lourdesae (J. Gibson-Smith & W. Gibson-Smith, 1983) - (MURICIDAE)
- loustauae, Austromactra loustauae (J.F. Bayan, 1873 †) - (MACTRIDAE) (FOSSIL)
- loustauae, Gobraeus loustauae A.E.M. Cossmann, 1906 † - (PSAMMOBIIDAE) (FOSSIL)
- loustaui, Acamptogenotia loustaui (J.B.P.A. Lamarck, 1803 †) - (CLATHURELLIDAE) (FOSSIL)
- loustaui, Lacuna loustaui G.P. Deshayes, 1861 † - (LITTORINIDAE) (FOSSIL)
- loustaui, Glossocardia loustaui A.E.M. Cossmann, 1886 † - (TRAPEZIDAE) (FOSSIL)
- loutrana, Stigmatica pantocratoris loutrana H. Nordsieck, 2015 - (CLAUSILIIDAE)
- Lovcenia, Subgenus Cochlostoma (Lovcenia) Zallot, Groenenberg & al., 2015 (COCHLOSTOMATIDAE)
- Lovea, syn of: Genus Amphorella R.T. Lowe, 1852 (FERUSSACIIDAE)
- loveladyensis, Globulobactrites loveladyensis Mapes, 1979 † - (BACTRITIDAE) (FOSSIL)
- Lovellana, syn of: Genus Lovellona T. Iredale, 1917 (MITROMORPHIDAE)
- Lovellia, syn of: Genus Raeta J.E. Gray, 1853 (MACTRIDAE)
- Lovellona, Genus Lovellona T. Iredale, 1917 (MITROMORPHIDAE)
- lovellreevei, Phasmoconus asiaticus lovellreevei G. Raybaudi Massilia, 1993 - (CONIDAE)
- Lovenella, syn of: Genus Cerithiella A.E. Verrill, 1882 (NEWTONIELLIDAE)
- loveni, Plekocheilus loveni (L. Pfeiffer, 1848) - (AMPHIBULIMIDAE)
- loveni, Armina loveni (L.S.R. Bergh, 1866) - (ARMINIDAE)
- loveni, Bulimus loveni L. Pfeiffer, 1848 - syn of: Plekocheilus loveni (L. Pfeiffer, 1848) - (BULIMULIDAE)
- loveni, Cardium loveni I.C. Thompson, 1845 - syn of: Parvicardium minimum (R.A. Philippi, 1836) - (CARDIIDAE)
- loveni, Falcidens loveni (H.F. Nierstrasz, 1902) - (CHAETODERMATIDAE)
- loveni, Conus loveni C.F.F. von Krauss, 1848 - syn of: Ketyconus tinianus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- loveni, Elachisina loveni (J.F. Bayan, 1873 †) - (ELACHISINIDAE) (FOSSIL)
- loveni, Tetrameroceras loveni (Barrande, 1865 †) - (HEMIPHRAGMOCERATIDAE) (FOSSIL)
- loveni, Onchidoris loveni (J. Alder & A. Hancock, 1862) - (ONCHIDORIDIDAE)
- loveni, Adalaria loveni (J. Alder & A. Hancock, 1862) - syn of: Onchidoris loveni (J. Alder & A. Hancock, 1862) - (ONCHIDORIDIDAE)
- loveni, Parilimya loveni (J.G. Jeffreys, 1882) - (PARILIMYIDAE)
- loveni, Chlamys loveni R.W. Dunker, 1853 - syn of: Lissochlamys exotica (L.W. Dillwyn, 1817) - (PECTINIDAE)
- loveni, Philine loveni A.W. Malm, 1855 - syn of: Philine scabra (O.F. Müller, 1784) - (PHILINIDAE)
- loveni, Pholadomya loveni J.G. Jeffreys, 1882 - syn of: Parilimya loveni (J.G. Jeffreys, 1882) - (PHOLADOMYIDAE)
- loveni, Phragmoceras loveni Barrande, 1865 † - syn of: Tetrameroceras loveni (Barrande, 1865 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- loveni, Pteria loveni R.W. Dunker, 1879 - syn of: Pteria gregata (L.A. Reeve, 1857) - (PTERIIDAE)
- loveni, Pisidium loveni S. Clessin, 1890 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- loveni, Macoma loveni Jensen, 1905 - (TELLINIDAE)
- loveni, Macoma loveni (J.J.S. Steenstrup, 1882 †) - (TELLINIDAE) (FOSSIL)
- loveni locardi, Parilimya loveni locardi P. Mars, 1958 - syn of: Parilimya loveni (J.G. Jeffreys, 1882) - (PARILIMYIDAE)
- loveniana, Aclis loveniana A. Adams, 1861 - (ACLIDIDAE)
- lovenii, Epitonium lovenii A. Adams, 1856 - syn of: Boreoscala greenlandica lovenii (A. Adams, 1856) - (EPITONIIDAE)
- lovenii, Boreoscala greenlandica lovenii (A. Adams, 1856) - (EPITONIIDAE)
- loveridgei, Plicigulella loveridgei A.C. van Bruggen, 1996 - (STREPTAXIDAE)
- Lovetchenia, Genus Lovetchenia Masse, 1993 † (REQUIENIIDAE) (FOSSIL)
- Lovetcheniia, syn of: Genus Lovetchenia Masse, 1993 † (REQUIENIIDAE) (FOSSIL)
- lovetha, Notadusta hungerfordi lovetha (G.T. Poppe, S.P. Tagaro & J.A. Buijse, 2005) - (CYPRAEIDAE)
- loweana, Antiquicyprina loweana (P. Morris & J. Lycett, 1853 †) - (ARCTICIDAE) (FOSSIL)
- loweana, Lyrula loweana (T.V. Wollaston, 1878) - (COCHLICELLIDAE)
- loweana, Ovatella loweana L. Pfeiffer, 1866 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- loweana, Fadyenia loweana E. Chitty, 1857 - (HELICINIDAE)
- loweana, Leiostyla loweana T.V. Wollaston, 1878 - (LAURIIDAE)
- loweana, Mitra loweana H.A. Pilsbry, 1931 - syn of: Mitra idae J.C. Melvill, 1893 - (MITRIDAE)
- loweana, Monadenia mormonum loweana H.A. Pilsbry - (MONADENIIDAE)
- loweana transiens, Leiostyla loweana transiens T.V. Wollaston, 1878 - (LAURIIDAE)
- lowei, Achatina lowei C.de Paiva, 1866 - syn of: Amphorella oryza R.T. Lowe, 1852 - (ACHATINIDAE)
- lowei, Granocardium lowei (L.W. Stephenson, 1952 †) - (CARDIIDAE) (FOSSIL)
- lowei, Crockerella lowei W.H. Dall, 1903 - syn of: Crockerella crystallina (W.M. Gabb, 1865) - (CLATHURELLIDAE)
- lowei, Boettgeria lowei (J.A. Albers, 1852) - (CLAUSILIIDAE)
- lowei, Japonia lowei (J.J.M. de Morgan, 1885) - (CYCLOPHORIDAE)
- lowei, Napaeus lowei T.V. Wollaston, 1878 - syn of: Napaeinus tabidus (R.J. Shuttleworth, 1852) - (ENIDAE)
- lowei, Epitonium lowei (W.H. Dall, 1906) - (EPITONIIDAE)
- lowei, Asperiscala lowei W.H. Dall, 1906 - syn of: Epitonium lowei (W.H. Dall, 1906) - (EPITONIIDAE)
- lowei, Eulima lowei E.G. Vanatta, 1900 - syn of: Melanella thersites (P.P. Carpenter, 1864) - (EULIMIDAE)
- lowei, Rothelix lowei (P. Bartsch, 1918) - (HELMINTHOGLYPTIDAE)
- lowei, Microxeromagna lowei (V.L.V. Potiez & A. Michaud, 1835) - (HYGROMIIDAE)
- lowei, Cyanoplax lowei (H.A. Pilsbry, 1918) - (LEPIDOCHITONIDAE)
- lowei, Trachydermon lowei H.A. Pilsbry, 1918 - syn of: Cyanoplax lowei (H.A. Pilsbry, 1918) - (LEPIDOCHITONIDAE)
- lowei, Mitra lowei W.H. Dall, 1903 - syn of: Mitra idae J.C. Melvill, 1893 - (MITRIDAE)
- lowei, Mopalia lowei H.A. Pilsbry, 1918 - (MOPALIIDAE)
- lowei, Tripterotyphis lowei (H.A. Pilsbry, 1931) - (MURICIDAE)
- lowei, Trophon lowei R.B. Watson, 1897 - syn of: Cytharomorula grayi (W.H. Dall, 1889) - (MURICIDAE)
- lowei, Patella lowei A.V.M.D. D'Orbigny, 1839 - syn of: Patella ulyssiponensis J.F. Gmelin, 1791 - (PATELLIDAE)
- lowei, Chlamys lowei L.G. Hertlein, 1935 - syn of: Spathochlamys vestalis (L.A. Reeve, 1853) - (PECTINIDAE)
- lowei, Pleurobranchus lowei R.B. Watson, 1897 - syn of: Berthellina edwardsi (A.J.B.M. Vayssière, 1896) - (PLEUROBRANCHIDAE)
- lowei, Pleurodonte lowei (H.A. Pilsbry, 1929) - (PLEURODONTIDAE)
- lowei, Caracolus lowei H.A. Pilsbry, 1929 - syn of: Pleurodonte lowei (H.A. Pilsbry, 1929) - (PLEURODONTIDAE)
- lowei, Opisthosiphon lamellosum lowei C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- lowei, Dallspira lowei P. Bartsch, 1950 - syn of: Crassispira abdera (W.H. Dall, 1919) - (PSEUDOMELATOMIDAE)
- lowei, Spiradaphne lowei McNeil, 1984 † - (RAPHITOMIDAE) (FOSSIL)
- lowei, Volvulella lowei L.G. Hertlein & A.M. Strong, 1951 - syn of: Volvulella cylindrica (Carpenter, 1865) - (RHIZORIDAE)
- lowei, Rissoina lowei A.M. Strong, 1938 - syn of: Lirobarleeia kelseyi (W.H. Dall & P. Bartsch, 1902) - (RISSOINIDAE)
- lowei, Euglandina lowei H.A. Pilsbry, 1931 - (SPIRAXIDAE)
- lowei, Subulina lowei H.A. Pilsbry, 1919 - (SUBULINIDAE)
- lowei, Cyclostremiscus lowei (F.C. Baker, G.D. Hanna & A.M. Strong, 1938) - (TORNIDAE)
- lowei, Truncatella lowei R.J. Shuttleworth, 1852 - syn of: Truncatella subcylindrica (C. Linnaeus, 1767) - (TRUNCATELLIDAE)
- lowei, Gongylostoma lowei (C. de la Torre, 1927) - (UROCOPTIDAE)
- lowei colemani, Tripterotyphis lowei colemani (W.F. Ponder, 1972) - (MURICIDAE)
- lowei fackenthallae, Cyanoplax lowei fackenthallae (S.S. Berry, 1919) - (LEPIDOCHITONIDAE)
- lowei norfolkensis, Tripterotyphis lowei norfolkensis (C.A. Fleming, 1962) - (MURICIDAE)
- loweii, Pseudocampylaea loweii (A.E.J. Férussac, 1835) - (HYGROMIIDAE)
- lowenii, Conus lowenii C.F.F. von Krauss, 1848 - syn of: Africonus irregularis (G.B. II Sowerby, 1858) - (CONIDAE)
- lowenstami, Hawthorneachiton lowenstami Kluessendorf, 1987 † - (PALEOLORICATA (UNASSIGNED)) (FOSSIL)
- Lowenstamia, syn of: Genus Sohliina H. Özdikmen, 2013 † (MURICIDAE) (FOSSIL)
- lowi, Microcystina lowi (A. Issel, 1874) - (ARIOPHANTIDAE)
- lowi, Baiaplecta lowi (J.J.M. de Morgan, 1885) - (ARIOPHANTIDAE)
- lowianus, Cyclotus lowianus (L. Pfeiffer, 1863) - (CYCLOPHORIDAE)
- lowickense, Rayonnoceras lowickense J.S. Turner, 1951 † - (CARBACTINOCERATIDAE) (FOSSIL)
- lowickensis, Edmondia lowickensis Hind † - (EDMONDIIDAE) (FOSSIL)
- lowii, Syphonota lowii J.D.F. Gilchrist, 1900 - (APLYSIIDAE)
- lowii, Pseudocampylaea lowii (A. Férussac, 1835) - (HYGROMIIDAE)
- Lowoceras, Genus Lowoceras Foerste & Savage, 1927 † (LOWOCERATIDAE) (FOSSIL)
- LOWOCERATIDAE Flower, 1940 † - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-DISCOSORIDA [Order]) (FOSSIL)
- lowrii, Mortoniceras lowrii McLearn, 1972 † - (BRANCOCERATIDAE) (FOSSIL)
- lowrii, Fanninoceras lowrii McLearn, 1930 † - syn of: Fanninoceras kunae McLearn, 1930 † - (EODEROCERATIDAE) (FOSSIL)
- lowryi, Glycymeris lowryi N.H. Ludbrook, 1978 † - (GLYCYMERIDIDAE) (FOSSIL)
- lowtheri, Triviella lowtheri M. Beals, 2008 - (TRIVIIDAE)
- Loxacypraea, Genus Loxacypraea Petuch, 2004 † (CYPRAEIDAE) (FOSSIL)
- loxahatcheense, Phalium loxahatcheense E.J. Petuch, 1994 - syn of: Semicassis granulata (I. von Born, 1778) - (CASSIDAE)
- loxahatcheensis, Semicassis granulata loxahatcheensis E.J. Petuch, 1994 † - (CASSIDAE) (FOSSIL)
- loxahatcheensis, Leptoconus loxahatcheensis E.J. Petuch, 1994 - syn of: Gradiconus largillierti (L.C. Kiener, 1847) - (CONIDAE)
- loxahatcheensis, Jenneria loxahatcheensis Smith, 1936 † - (PEDICULARIIDAE) (FOSSIL)
- loxahatchiensis, Jenneria loxahatchiensis Maxwell Smith, 1936 - (PEDICULARIIDAE)
- Loxana, Subgenus Alabastrina (Loxana) J.R. Bourguignat, 1898 (HELICIDAE)
- loxanus, Mesembrinus loxanus (H.C. Higgins, 1872) - (BULIMULIDAE)
- loxanus, Iberus marmoratus loxanus (A. Schmidt, 1853) - (HELICIDAE)
- Loxebala, Genus Loxebala Bandel, 1996 † (CASSIANEBALIDAE) (FOSSIL)
- loxensis, Mesembrinus loxensis (L. Pfeiffer, 1846) - (BULIMULIDAE)
- loxia, Astarte loxia W.H. Dall, 1903 - syn of: Astarte arctica (J.E. Gray, 1824) - (ASTARTIDAE)
- loxicatus, Euhoplites loxicatus Spath † - (HOPLITIDAE) (FOSSIL)
- Loxisonia, Genus Loxisonia Batten, 1985 † (MURCHISONIIDAE) (FOSSIL)
- Loxo, Genus Loxo Dailey & Popenoe, 1966 † (VENERIDAE) (FOSSIL)
- Loxobidens, Genus Loxobidens Hodgkinson, 1992 † (THECOSOMATA (UNASSIGNED)) (FOSSIL)
- Loxobucania, Genus Loxobucania Knight, 1942 † (BUCANIIDAE) (FOSSIL)
- Loxocardium, Genus Loxocardium Cossmann, 1886 † (CARDIIDAE) (FOSSIL)
- loxocephala, Odostomia loxocephala H.A. Pilsbry, 1918 - (PYRAMIDELLIDAE)
- Loxoceras, Genus Loxoceras McCoy, 1844 † (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- Loxochlamys, Genus Loxochlamys Waller, 2005 † (PECTINIDAE) (FOSSIL)
- Loxochoanella, Genus Loxochoanella Teichert & Glenister, 1954 † (ELLESMEROCERATIDAE) (FOSSIL)
- Loxoglypta, Subgenus Exotica (Loxoglypta) W.H. Dall, P. Bartsch & H.A. Rehder, 1938 (TELLINIDAE)
- loxoides, Haumea loxoides (G.B. III Sowerby, 1882) - (PECTINIDAE)
- loxomorpha, Cardita loxomorpha A.E.M. Cossmann & G. Pissarro † - (CARDITIDAE) (FOSSIL)
- Loxonema, Genus Loxonema Phillips, 1841 † (LOXONEMATIDAE) (FOSSIL)
- LOXONEMATIDAE Koken, 1889 † - Family (GASTROPODA-ORTHOGASTROPODA [Subclass]-MURCHISONIINA [Order]-LOXONEMATOIDEA [Superfamily]) (FOSSIL)
- loxonemoides, Devonocerithioides loxonemoides (Whidborne, 1892 †) - (MURCHISONIIDAE) (FOSSIL)
- loxonemoides, Protorcula loxonemoides (E.A.L. Kittl, 1894 †) - (PROTORCULIDAE) (FOSSIL)
- loxonemoides, Undularia loxonemoides E.A.L. Kittl, 1894 † - syn of: Protorcula loxonemoides (E.A.L. Kittl, 1894 †) - (PROTORCULIDAE) (FOSSIL)
- loxonemoides, Angularia loxonemoides E.A.L. Kittl, 1894 † - (PURPURINIDAE) (FOSSIL)
- Loxoplocus, Genus Loxoplocus Fischer, 1885 † (LOPHOSPIRIDAE) (FOSSIL)
- Loxoporus, syn of: Genus Gadila J.E. Gray, 1847 (GADILIDAE)
- Loxoptychodon, Subgenus Corbicula (Loxoptychodon) C.L.F. von Sandberger, 1872 (CYRENIDAE)
- Loxoptyxis, Subgenus Syrnola (Loxoptyxis) A.E.M. Cossmann, 1888 (PYRAMIDELLIDAE)
- loxospira, Pilsbryspira loxospira (H.A. Pilsbry & H.N. Lowe, 1932) - (PSEUDOMELATOMIDAE)
- loxostoma, Oospira loxostoma (W.H. Benson, 1836) - (CLAUSILIIDAE)
- loxostoma, Cochlicopa loxostoma E. Klein, 1853 † - (COCHLICOPIDAE) (FOSSIL)
- Loxostoma, syn of: Genus Rissoa M. Freminville in A.G. Desmarest, 1814 (RISSOIDAE)
- loxostomus, Theobaldius loxostomus (L. Pfeiffer, 1852) - (CYCLOPHORIDAE)
- loxostomus, Thaumastus loxostomus (L. Pfeiffer, 1853) - (MEGASPIRIDAE)
- Loxotaphrus, Genus Loxotaphrus G.F. Harris, 1897 (CANCELLARIIDAE)
- loxotata, Moellendorffia loxotata (J.F. Mabille, 1887) - (CAMAENIDAE)
- loxotata, Helix loxotata J.F. Mabille, 1887 - syn of: Moellendorffia loxotata (J.F. Mabille, 1887) - (HELICIDAE)
- loxotata exasperata, Moellendorffia loxotata exasperata (A.R.J.B. Bavay & P. Dautzenberg, 1909) - (CAMAENIDAE)
- Loxotoma, Genus Loxotoma Fischer, 1885 † (FISSURELLIDAE) (FOSSIL)
- Loxotoma, syn of: Genus Rissoa M. Freminville in A.G. Desmarest, 1814 (RISSOIDAE)
- Loxotomella, Genus Loxotomella Böhm, 1895 † (MURICIDAE) (FOSSIL)
- Loxotrema, Genus Loxotrema Gabb, 1868 (PACHYCHILIDAE) (FOSSIL)
- loxotropis, Planispira loxotropis (L. Pfeiffer, 1851) - (CAMAENIDAE)
- Loy, Genus Loy A.V. Martynov, 1994 (CORAMBIDAE)
- loyaltense, Caecum loyaltense M. Pizzini, B.K. Raines & A. Vannozzi, 2013 - (CAECIDAE)
- loyaltense, Pusia loyaltense R.P.J. Hervier, 1897 - syn of: Vexillum loyaltyense (R.P.J. Hervier, 1897) - (COSTELLARIIDAE)
- loyaltiense, Pusia loyaltiense R.P.J. Hervier, 1897 - syn of: Vexillum loyaltyense (R.P.J. Hervier, 1897) - (COSTELLARIIDAE)
- loyaltiensis, Leucocharis loyaltiensis Unknown - (BOTHRIEMBRYONTIDAE)
- loyaltiensis, Mitrella loyaltiensis R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- loyaltiensis, Profundiconus loyaltiensis D. Röckel & R.G. Moolenbeek, 1995 - (CONIDAE)
- loyaltiensis, Triphora loyaltiensis (R.P.J. Hervier, 1898) - (TRIPHORIDAE)
- loyaltyense, Vexillum loyaltyense (R.P.J. Hervier, 1897) - (COSTELLARIIDAE)
- loyaltyense, Protoelongata loyaltyense R.P.J. Hervier, 1897 - syn of: Vexillum loyaltyense (R.P.J. Hervier, 1897) - (COSTELLARIIDAE)
- loyaltyensis, Placostylus loyaltyensis (S.M. Souverbie, 1879) - (BOTHRIEMBRYONTIDAE)
- loyaltyensis, Horologica loyaltyensis Cecalupo & Perugia, 2017 - (CERITHIOPSIDAE)
- loyaltyensis, Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- loyaltyensis, Cadulus loyaltyensis V. Scarabino, 2008 - (GADILIDAE)
- loyaltyensis, Mastonia loyaltyensis R.P.J. Hervier, 1898 - syn of: Triphora loyaltiensis (R.P.J. Hervier, 1898) - (TRIPHORIDAE)
- loyaltyensis latefloccata, Columbella loyaltyensis latefloccata R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- loyaltyensis lucidior, Columbella loyaltyensis lucidior R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- loyaltyensis mundata, Columbella loyaltyensis mundata R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- loyautensis, Acteon loyautensis Á. Valdés, 2008 - (ACTEONIDAE)
- lozanici, Melanopsis lozanici Š. Brusina, 1893 † - (MELANOPSIDAE) (FOSSIL)
- lozanoi, Ercolania lozanoi J.A. Ortea, 1982 - (LIMAPONTIIDAE)
- Lozekia, Subgenus Hygromia (Lozekia) V. Hüdec, 1970 (HYGROMIIDAE)
- lozeriense, Arieticeras lozeriense Monestier, 1934 † - syn of: Leptaleoceras ugdulenai (C. Gemmellaro, 1885 †) - (HILDOCERATIDAE) (FOSSIL)
- lozeti, Malagasyconus lozeti (G. Richard, 1980) - (CONIDAE)
- lozeti, Endemoconus lozeti G. Richard, 1980 - syn of: Malagasyconus lozeti (G. Richard, 1980) - (CONIDAE)
- lozii, Eratoidea lozii T. McCleery, 2011 - (MARGINELLIDAE)
- lozoi, Graysonites lozoi A.T. Young, 1958 † - syn of: Graysonites wacoense (Böse, 1928 †) - (ACANTHOCERATIDAE) (FOSSIL)
- lozoi, Sinonia lozoi Stephenson 1953 † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- lozoueti, Manaria lozoueti Fraussen & Stahlschmidt, 2016 - (BUCCINIDAE)
- lozoueti, Bittium lozoueti Van Dingenen, Ceulemans & Landau, 2016 † - (CERITHIIDAE) (FOSSIL)
- lozoueti, Joculator lozoueti M. Jay & J. Drivas, 2002 - (CERITHIOPSIDAE)
- lozoueti, Synthopsis lozoueti A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- lozoueti, Pyreneola lozoueti J. Drivas & M. Jay, 1997 - (COLUMBELLIDAE)
- lozoueti, Benthofascis lozoueti A.V. Sysoev & P. Bouchet, 2001 - (CONORBIDAE)
- lozoueti, Gadila lozoueti V. Scarabino, 2008 - (GADILIDAE)
- lozoueti, Trogloconcha lozoueti D.L. Geiger, 2008 - (LAROCHEIDAE)
- lozoueti, Daphnellopsis lozoueti R. Houart, 2013 † - (MURICIDAE) (FOSSIL)
- lozoueti, Aspella lozoueti R. Houart & J. Tröndlé, 2008 - (MURICIDAE)
- lozoueti, Siphonochelus lozoueti R. Houart, 1991 - (MURICIDAE)
- lozoueti, Bellatara lozoueti M. Harzhauser, 2004 † - (PACHYCHILIDAE) (FOSSIL)
- lozoueti, Phyllidiopsis lozoueti Á. Valdés, 2001 - (PHYLLIDIIDAE)
- lozoueti, Parvamussium lozoueti H.H. Dijkstra & P. Maestrati, 2008 - (PROPEAMUSSIIDAE)
- lozoueti, Turbonilla lozoueti A. Peñas & E. Rolán, 2002 - (PYRAMIDELLIDAE)
- lozoueti, Awheaturris lozoueti M. Morassi & A. Bonfitto, 2013 - (RAPHITOMIDAE)
- lozoueti, Macromphalina lozoueti J. Drivas & M. Jay, 1991 - (VANIKORIDAE)
- Lozouetia, Genus Lozouetia R. von Cosel, 1995 (LASAEIDAE)
- Lrianoceras, Genus Lrianoceras KOBYASHI & BURTON, 1971 (PLECTRONOCERATIDAE) (FOSSIL)
- lsimahialamboensis, Parvedentulina lsimahialamboensis K.C. Emberton, 2002 - (STREPTAXIDAE)
- luacesi, Wrightudora aguayoi luacesi M.I. Sánchez Roig, 1951 - (POMATIIDAE)
- luakahaense, Elasmias luakahaense H.A. Pilsbry & C.M. Cooke, 1915 - (ACHATINELLIDAE)
- luana, Mesocibota luana T. Iredale, 1939 - syn of: Mesocibota bistrigata (R.W. Dunker, 1866) - (ARCIDAE)
- luandensis, Turbonilla luandensis A. Peñas & E. Rolán, 1997 - (PYRAMIDELLIDAE)
- luandensis, Duplicaria luandensis (U. Aubry, 2008) - (TEREBRIDAE)
- luangensis, Amphidromus luangensis Gra-tes, 2015 - (CAMAENIDAE)
- luangmualensis, Anadara luangmualensis Tiwari, 2001 - (ARCIDAE)
- luapulaensis, Aspatharia luapulaensis H.A. Pilsbry & J.C. Bequaert, 1927 - syn of: Chambardia dautzenbergi (F. Haas, 1936) - (IRIDINIDAE)
- luapulaensis, Coelatura luapulaensis (H.B. Preston, 1913) - (UNIONIDAE)
- luarna, Cadlina luarna (Er. Marcus & Ev. Marcus, 1967) - (CADLINIDAE)
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