- lucaensis, Bursa lucaensis M. Parth, 1991 - (BURSIDAE)
- lucaensis, Colubraria lucaensis A.M. Strong & L.G. Hertlein, 1937 - syn of: Colubraria lucasensis A.M. Strong & L.G. Hertlein, 1937 - (COLUBRARIIDAE)
- lucalana, Limicolaria lucalana H.A. Pilsbry, 1904 - (ACHATINIDAE)
- lucan, Ozomia lucan Walcott, 1924 † - syn of: Ribeiria lucan (Walcott, 1924 †) - (ISCHYRINIIDAE) (FOSSIL)
- lucan, Ribeiria lucan (Walcott, 1924 †) - (RIBEIRIIDAE) (FOSSIL)
- lucana, Emmericia lucana D. Esu, O. Girotti & Pisegna Cerone, 2016 † - (AMNICOLIDAE) (FOSSIL)
- lucana, Chondrina lucana S. Delle Chiaje, 1850 - syn of: Chondrina avenacea (J.G. Bruguière, 1792) - (CHONDRINIDAE)
- lucana, Helix lucana C.A. Westerlund, 1889 - syn of: Ambigua fuscolabiata tenetensis (W. Kobelt, 1904) - (HELICIDAE)
- lucana, Turbonilla lucana W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- lucana, Terebra lucana W.H. Dall, 1908 - (TEREBRIDAE)
- lucanensis, Melanopsis lucanensis T.A. Neubauer, 2011 † - (MELANOPSIDAE) (FOSSIL)
- lucani, Glabella lucani (F.P. Jousseaume, 1884) - (MARGINELLIDAE)
- lucanus, Trigonephrus lucanus (O.F. Müller, 1774) - (DORCASIIDAE)
- lucanus, Fossarus lucanus W.H. Dall, 1919 - (PLANAXIDAE)
- Lucapina, Genus Lucapina G.B. Sowerby, 1835 (FISSURELLIDAE)
- Lucapinella, Genus Lucapinella H.A. Pilsbry, 1890 (FISSURELLIDAE)
- lucasana, Columbella lucasana W.H. Dall, 1916 - syn of: Columbella sonsonatensis (O.A.L. Mörch, 1860) - (COLUMBELLIDAE)
- lucasana, Divaricella lucasana W.H. Dall & Oschner, 1928 † - syn of: Divalinga eburnea (L.A. Reeve, 1850 †) - (LUCINIDAE) (FOSSIL)
- lucasana, Lyonsia lucasana P. Bartsch & H.A. Rehder, 1939 - syn of: Entodesma pictum (G.B. I Sowerby, 1834) - (LYONSIIDAE)
- lucasana, Nuculana lucasana A.M. Strong & L.G. Hertlein, 1937 - syn of: Jupiteria lobula (W.H. Dall, 1908) - (NUCULANIDAE)
- lucasana, Odostomia lucasana W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- lucasana, Alvania lucasana F.C. Baker, G.D. Hanna & A.M. Strong, 1930 - syn of: Lirobarleeia electrina (P.P. Carpenter, 1864) - (RISSOIDAE)
- lucasana, Cyathodonta lucasana W.H. Dall, 1915 - syn of: Cyathodonta undulata T.A. Conrad, 1849 - (THRACIIDAE)
- lucasana, Vitrinella lucasana (F.C. Baker, G.D. Hanna & A.M. Strong, 1938) - (TORNIDAE)
- lucasana, Petricola lucasana L.G. Hertlein & A.M. Strong, 1948 - syn of: Petricola insignis (G.P. Deshayes, 1854) - (VENERIDAE)
- lucasense, Opisthosiphon detectum lucasense C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- lucasensis, Arene lucasensis A.M. Strong, 1934 - syn of: Haplocochlias lucasensis (A.M. Strong, 1934) - (ARENEIDAE)
- lucasensis, Colubraria lucasensis A.M. Strong & L.G. Hertlein, 1937 - (COLUBRARIIDAE)
- lucasensis, Liotia lucasensis A.M. Strong, 1934 - syn of: Haplocochlias lucasensis (A.M. Strong, 1934) - (LIOTIIDAE)
- lucasensis, Striospira lucasensis P. Bartsch, 1950 - syn of: Crassispira kluthi H.K. Jordan, 1936 - (PSEUDOMELATOMIDAE)
- lucasensis, Haplocochlias lucasensis (A.M. Strong, 1934) - (SKENEIDAE)
- lucasi, Cumia lucasi (L. Bozzetti, 2007) - (COLUBRARIIDAE)
- lucasi, Textilia lucasi L. Bozzetti, 2010 - (CONIDAE)
- lucasi, Fusus lucasi L. Bozzetti, 2007 - syn of: Cumia lucasi (L. Bozzetti, 2007) - (FASCIOLARIIDAE)
- lucasi, Galfettites lucasi Jenks & al., 2010 † - (GALFETTITIDAE) (FOSSIL)
- lucasi, Echyridella lucasi (H.H. Suter, 1905) - (HYRIIDAE)
- lucasi, Ocinebrina lucasi L. Bozzetti, 2007 - syn of: Murexsul planiliratus (L.A. Reeve, 1845) - (MURICIDAE)
- lucasi, Gundlachia lucasi H.H. Suter, 1905 - (PLANORBIDAE)
- lucasi, Hollisites lucasi Inlay, 1957 † - (POLYPTYCHITIDAE) (FOSSIL)
- lucasi, Spondylus lucasi C.J. Maury, 1920 † - (SPONDYLIDAE) (FOSSIL)
- lucasi, Subuliniscus lucasi H.A. Pilsbry, 1919 - (SUBULINIDAE)
- lucasi, Anodonta lucasi G.P. Deshayes, 1848 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- lucasi albina, Textilia lucasi albina L. Bozzetti, 2011 - (CONIDAE)
- lucasiana, Ostrea lucasiana A. de Rochebrune, 1895 - syn of: Striostrea prismatica (Gray, 1825) - (OSTREIDAE)
- lucasianus, Tectus lucasianus (A. Brongniart, 1823 †) - (TEGULIDAE) (FOSSIL)
- lucasianus, Trochus lucasianus A. Brongniart, 1823 † - syn of: Tectus lucasianus (A. Brongniart, 1823 †) - (TROCHIDAE) (FOSSIL)
- lucasii, Otala lucasii G.P. Deshayes, 1850 - (HELICIDAE)
- lucasii, Pleurotomella lucasii (J.C. Melvill, 1904) - (RAPHITOMIDAE)
- lucasii, Anodonta lucasii P.M.A. Morelet, 1852 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- lucasii, Venus lucasii C. Rousseau in J.B. Hombron & C.H. Jacquinot, 1854 - syn of: Bassina yatei (J.E. Gray, 1835) - (VENERIDAE)
- Lucasites, Genus Lucasites Brühwiler & Bucher, 2012 † (PRIONITIDAE) (FOSSIL)
- lucaya, Purpuriconus lucaya (E.J. Petuch, 2000) - (CONIDAE)
- lucaya, Leptadrillia lucaya P.J. Fallon, 2016 - (DRILLIIDAE)
- lucaya, Perotrochus lucaya F.M. Bayer, 1965 - (PLEUROTOMARIIDAE)
- lucayanorum, Strophiops lucayanorum W.J. Clench, 1938 - (CERIONIDAE)
- lucayensis, Plocamopherus lucayensis J.C. Hamann & M. Farmer, 1988 - (POLYCERIDAE)
- lucea, Corambe lucea Er. Marcus, 1959 - (CORAMBIDAE)
- Lucena, syn of: Genus Succinea J.P.R. Draparnaud, 1801 (SUCCINEIDAE)
- Lucena, syn of: Genus Vallonia A. Risso, 1826 (VALLONIIDAE)
- lucenensis, Cyllenina lucenensis B.M. Landau & R. Marquet, 1999 † - (NASSARIIDAE) (FOSSIL)
- lucens, Phaedusa filicostata lucens (F.E. Loosjes, 1953) - (CLAUSILIIDAE)
- lucens, Persicula lucens É.A.A. Locard, 1897 - syn of: Persicula blanda (R.B. Hinds, 1844) - (CYSTISCIDAE)
- lucens, Abralia lucens N.A. Voss, 1962 - syn of: Abralia multihamata M. Sasaki, 1929 - (ENOPLOTEUTHIDAE)
- lucens, Amusium lucens R. Tate, 1886 † - (PECTINIDAE) (FOSSIL)
- lucens, Pfeiffericoptis lucens (B.H. Wright in G.B. Sowerby, 1875) - (UROCOPTIDAE)
- lucens, Hansenoteuthis lucens L.M.A.O.E. Joubin, 1929 - syn of: Vampyroteuthis infernalis C. Chun, 1903 - (VAMPYROTEUTHIDAE)
- lucens, Venerupis lucens É.A.A. Locard, 1886 - syn of: Polititapes aureus lucens (É.A.A. Locard, 1886) - (VENERIDAE)
- lucens, Polititapes aureus lucens (É.A.A. Locard, 1886) - (VENERIDAE)
- lucensis, Cochlodinastra comensis lucensis (C. Gentiluomo, 1868) - (CLAUSILIIDAE)
- lucensis, Helix lucensis M. Paulucci, 1878 - syn of: Cingulifera cingulatum appelii (W. Kobelt, 1876) - (HELICIDAE)
- lucensis, Belgrandiella lucensis (E. Rolán, 1992) - (HYDROBIIDAE)
- lucensis, Hydrobia lucensis A. Issel, 1866 - syn of: Pseudamnicola anatina (J.P.R. Draparnaud) - (HYDROBIIDAE)
- lucensis, Kilianella lucensis G. Sayn, 1907 † - (NEOCOMITIDAE) (FOSSIL)
- lucentumensis, Otala lucentumensis J.R. Bourguignat, 1878 - syn of: Otala punctata (O.F. Müller, 1774) - (HELICIDAE)
- luceo, Epitonium luceo (H. DuShane, 1988) - (EPITONIIDAE)
- Lucerapex, Genus Lucerapex T. Iredale, 1936 (TURRIDAE)
- lucerna, Anomia lucerna L.A. Reeve, 1859 - syn of: Anomia ephippium C. Linnaeus, 1758 - (ANOMIIDAE)
- lucerna, Cardium lucerna E. Forbes, 1846 - (CARDIIDAE)
- lucerna, Pleurodonte lucerna (O.F. Müller, 1774) - (PLEURODONTIDAE)
- Lucerna, syn of: Genus Pleurodonte G. Fischer von Waldheim, 1807 (PLEURODONTIDAE)
- Lucerna, syn of: Genus Pleurodonte G. Fischer von Waldheim, 1807 (PLEURODONTIDAE)
- Lucerna, syn of: Genus Succinea J.P.R. Draparnaud, 1801 (SUCCINEIDAE)
- lucerna, Macoma lucerna (S.C.T. Hanley, 1844) - (TELLINIDAE)
- lucerna patina, Pleurodonte lucerna patina (O.F. Müller, 1774) - (PLEURODONTIDAE)
- Lucernella, syn of: Genus Pleurodonte G. Fischer von Waldheim, 1807 (PLEURODONTIDAE)
- lucescens, Helix lucescens Š. Brusina, 1876 - syn of: Liburnica kleciachi (L. Pfeiffer, 1870) - (HELICIDAE)
- lucetta, Phenacohelix lucetta (F.W. Hutton, 1884) - (CHAROPIDAE)
- lucetta, Therasia lucetta F.W. Hutton, 1884 - syn of: Phenacohelix lucetta (F.W. Hutton, 1884) - (CHAROPIDAE)
- luchnikovi, Meekoceras luchnikovi Shevyrev, 1990 † - (MEEKOCERATIDAE) (FOSSIL)
- luchuana, Chiton luchuana Is. Taki, 1962 - (CHITONIDAE)
- luchuana, Eclogavena luchuana (J.T. Kuroda, 1960) - (CYPRAEIDAE)
- luchuana, Diplommatina luchuana H.A. Pilsbry, 1901 - (DIPLOMMATINIDAE)
- luchuana, Luchuena eucharista luchuana (H.A. Pilsbry, 1901) - (ENIDAE)
- luchuana, Eulima luchuana H.A. Pilsbry, 1901 - syn of: Melanella cuspidata (C.B. Adams, 1854) - (EULIMIDAE)
- luchuana, Melanella luchuana H.A. Pilsbry, 1901 - syn of: Melanella cuspidata (C.B. Adams, 1854) - (EULIMIDAE)
- luchuana, Peristernia luchuana H.A. Pilsbry, 1901 - syn of: Peristernia ustulata luchuana H.A. Pilsbry, 1901 - (FASCIOLARIIDAE)
- luchuana, Peristernia ustulata luchuana H.A. Pilsbry, 1901 - (FASCIOLARIIDAE)
- luchuana, Georissa luchuana H.A. Pilsbry, 1901 - (HYDROCENIDAE)
- luchuana, Lottia luchuana (H.A. Pilsbry, 1901) - (LOTTIIDAE)
- luchuana, Patella luchuana H.A. Pilsbry, 1901 - syn of: Lottia luchuana (H.A. Pilsbry, 1901) - (PATELLIDAE)
- luchuana, Vermitoma luchuana J.T. Kuroda, 1928 - syn of: Dendropoma luchuanum (J.T. Kuroda, 1928) - (VERMETIDAE)
- luchuana ericae, Collisella luchuana ericae J.M.J. Christiaens, 1980 - syn of: Lottia luchuana (H.A. Pilsbry, 1901) - (LOTTIIDAE)
- luchuana kolarovai, Lottia luchuana kolarovai (A.W. Grabau & S.G. King, 1928) - (LOTTIIDAE)
- luchuanum, Dentalium luchuanum W.H. Dall, 1926 - (DENTALIIDAE)
- luchuanum, Dendropoma luchuanum (J.T. Kuroda, 1928) - (VERMETIDAE)
- luchuanus, Yakuena luchuanus H.A. Pilsbry - (ENIDAE)
- luchuanus, Tectarius cumingii luchuanus H.A. Pilsbry, 1901 - (LITTORINIDAE)
- Luchuconulus, Genus Luchuconulus H.A. Pilsbry, 1928 (EUCONULIDAE)
- Luchuena, Genus Luchuena T. Habe, 1955 (ENIDAE)
- Luchuhadra, syn of: Genus Satsuma A. Adams, 1868 (CAMAENIDAE)
- Luchuphaedusa, Genus Luchuphaedusa H.A. Pilsbry, 1905 (CLAUSILIIDAE)
- Lucia, syn of: Subgenus Tonicia (Lucilina) W.H. Dall, 1882 (CHITONIDAE)
- lucia, Gibberula lucia (F.P. Jousseaume, 1877) - (CYSTISCIDAE)
- lucia, Palaina lucia T. Iredale, 1944 - (DIPLOMMATINIDAE)
- lucia, Marginella lucia F.P. Jousseaume, 1877 - syn of: Gibberula lucia (F.P. Jousseaume, 1877) - (MARGINELLIDAE)
- luciacuestae, Chauvetia luciacuestae P.G. Oliver & E. Rolán, 2008 - (BUCCINIDAE)
- luciae, Chilina luciae D.E. Gutiérrez Gregoric & de Lucía, 2016 - (CHILINIDAE)
- luciae, Kurodaconus luciae (R.G. Moolenbeek, 1986) - (CONIDAE)
- luciae, Boucardicus luciae K.C. Emberton, 1994 - (CYCLOPHORIDAE)
- luciae, Leptadrillia luciae P.J. Fallon, 2016 - (DRILLIIDAE)
- luciae, Cuthona luciae Valdés, Medrano & V. Bhave, 2016 - (FIONIDAE)
- luciae, Margarites luciae (G. Seguenza, 1876) - (MARGARITIDAE)
- luciae, Protoglyptus sanctaeluciae luciae H.A. Pilsbry, 1897 - (ORTHALICIDAE)
- luciae, Leoniceras luciae Pervinquiére, 1907 † - (PSEUDOTISSOTIIDAE) (FOSSIL)
- luciaeformis, Dichotomosphinctes luciaeformis Enay, 1966 † - (PERISPHINCTIDAE) (FOSSIL)
- lucianae, Flabellina engeli lucianae S.I. DaCosta, C.M. Cunha, L.R.L. Simone & M. Schrödl, 2007 - (FLABELLINIDAE)
- lucianoi, Acteonella lucianoi C.J. Maury, 1930 † - (ACTEONELLIDAE) (FOSSIL)
- lucici, Valvata lucici Š. Brusina, 1902 † - (VALVATIDAE) (FOSSIL)
- lucida, Leptachatina lucida W.H. Pease, 1870 - (AMASTRIDAE)
- lucida, Arca lucida G.P. Deshayes, 1858 † - (ARCIDAE) (FOSSIL)
- lucida, Assiminea lucida W.H. Pease, 1869 - (ASSIMINEIDAE)
- lucida, Adacna lucida (I. Borcea, 1926) - (CARDIIDAE)
- lucida, Nevillia lucida H. Adams, 1868 - (CHILODONTIDAE)
- lucida, Tropidauchenia lucida H. Nordsieck, 2007 - (CLAUSILIIDAE)
- lucida, Conasprella lucida (W. Wood, 1828) - (CONIDAE)
- lucida, Perplexiconus lucida (W. Wood, 1828) - syn of: Conasprella lucida (W. Wood, 1828) - (CONIDAE)
- lucida, Persicula lucida F.P. Marrat, 1877 - syn of: Hyalina lucida (F.P. Marrat, 1877) - (CYSTISCIDAE)
- lucida, Splendrillia lucida (G. Nevill & H. Nevill, 1875) - (DRILLIIDAE)
- lucida, Calliclava lucida J.H. McLean & L.H. Poorman, 1971 - (DRILLIIDAE)
- lucida, Microtralia lucida (W.H. Pease, 1869) - (ELLOBIIDAE)
- lucida, Melanella lucida (A.E. Verrill, 1884) - (EULIMIDAE)
- lucida, Haliotis lucida E. Réquien, 1848 - syn of: Haliotis tuberculata lamellosa J.B.P.A. Lamarck, 1822 - (HALIOTIDAE)
- lucida, Helix lucida J.P.R. Draparnaud, 1801 - syn of: Oxychilus draparnaudi (H.H. Beck, 1837) - (HELICIDAE)
- lucida, Nozeba lucida A.E.M. Cossmann, 1886 † - syn of: Holandriana lucida A.E.M. Cossmann, 1886 † - (IRAVADIIDAE) (FOSSIL)
- lucida, Alaba lucida A. Adams, 1862 - (LITIOPIDAE)
- lucida, Littoraria lucida M. Yokoyama, 1927 - (LITTORINIDAE)
- lucida, Lutraria lucida A.A. Gould, 1861 - syn of: Lutraria rhynchaena I.H. Jonas, 1844 - (MACTRIDAE)
- lucida, Hyalina lucida (F.P. Marrat, 1877) - (MARGINELLIDAE)
- lucida, Volvarina lucida F.P. Marrat, 1877 - syn of: Hyalina lucida (F.P. Marrat, 1877) - (MARGINELLIDAE)
- lucida, Marginella lucida F.P. Marrat, 1877 - syn of: Hyalina lucida (F.P. Marrat, 1877) - (MARGINELLIDAE)
- lucida, Mitra lucida L.A. Reeve, 1845 - syn of: Vexillum lucidum (L.A. Reeve, 1845) - (MITRIDAE)
- lucida, Boreochiton beringensis lucida (B.I. Sirenko, 1974) - (MOPALIIDAE)
- lucida, Anodontites obtusa lucida (A.V.M.D. D'Orbigny, 1835) - (MYCETOPODIDAE)
- lucida, Neritula lucida A. Adams & G.F. Angas, 1864 - syn of: Callomphala lucida (A. Adams & G.F. Angas, 1864) - (NASSARIIDAE)
- lucida, Zeuxis lucida A.A. Gould, 1850 - syn of: Nassarius graphiterus (J.B. Hombron & C.H. Jacquinot, 1848) - (NASSARIIDAE)
- lucida, Leda lucida S.L. Lovén, 1846 - syn of: Yoldiella lucida (S.L. Lovén, 1846) - (NUCULANIDAE)
- lucida, Nuculana lucida Tenison Woods, 1879 † - syn of: Saccella vagans (R. Tate, 1887 †) - (NUCULANIDAE) (FOSSIL)
- lucida, Oxychilus lucida J.P.R. Draparnaud, 1801 - syn of: Oxychilus draparnaudi (H.H. Beck, 1837) - (OXYCHILIDAE)
- lucida, Pleuronectia lucida J.G. Jeffreys in C. Wyville-Thomson, 1873 - syn of: Propeamussium lucidum (J.G. Jeffreys in C. Wyville-Thomson, 1873) - (PECTINIDAE)
- lucida, Siliqua lucida (T.A. Conrad, 1837) - (PHARIDAE)
- lucida, Philine lucida W.H. Dall, 1927 - (PHILINIDAE)
- lucida, Holandriana lucida A.E.M. Cossmann, 1886 † - (PLEUROCERIDAE) (FOSSIL)
- lucida, Leptoxis taeniata lucida C. Goodrich - (PLEUROCERIDAE)
- lucida, Limacia lucida W. Stimpson, 1854 - syn of: Limacia clavigera (O.F. Müller, 1776) - (POLYCERIDAE)
- lucida, Provanna lucida T. Sasaki, Ogura, H. Watanabe & K. Fujikura, 2016 - (PROVANNIDAE)
- lucida, Chrysallida lucida (C.F. Laseron, 1950) - (PYRAMIDELLIDAE)
- lucida, Pseudodaphnella lucida (E.A. Smith, 1884) - (RAPHITOMIDAE)
- lucida, Eotibia lucida (J. de C. Sowerby, 1815 †) - (ROSTELLARIIDAE) (FOSSIL)
- lucida, Putilla lucida A. Adams, 1867 - (SEGUENZIOIDEA (unassigned))
- lucida, Callomphala lucida (A. Adams & G.F. Angas, 1864) - (SKENEIDAE)
- lucida, Euglandina lucida (H. Strebel, 1880) - (SPIRAXIDAE)
- lucida, Succinea canella lucida C.M.F. Ancey, 1889 - (SUCCINEIDAE)
- lucida, Tellina lucida G.P. Deshayes, 1838 - syn of: Tellina tenuis E.M. Da Costa, 1778 - (TELLINIDAE)
- lucida, Anodon lucida P.M. Heude, 1877 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- lucida, Yoldiella lucida (S.L. Lovén, 1846) - (YOLDIIDAE)
- lucida, Yoldia lucida S.L. Lovén, 1846 - syn of: Yoldiella lucida (S.L. Lovén, 1846) - (YOLDIIDAE)
- lucida declivis, Leda lucida declivis J.G. Jeffreys, 1879 - syn of: Yoldiella lucida (S.L. Lovén, 1846) - (NUCULANIDAE)
- lucida gracillima, Tropidauchenia lucida gracillima H. Nordsieck, 2007 - (CLAUSILIIDAE)
- lucida truncata, Leda lucida truncata J.G. Jeffreys, 1879 - syn of: Yoldiella lucida (S.L. Lovén, 1846) - (NUCULANIDAE)
- Lucidella, Genus Lucidella W.J. Swainson, 1840 (HELICINIDAE)
- Lucidestea, Genus Lucidestea C.F. Laseron, 1956 (RISSOIDAE)
- Lucidinella, syn of: Subgenus Iravadia (Pseudonoba) O. Böttger, 1902 (IRAVADIIDAE)
- lucidovarius, Liguus fasciatus lucidovarius A. Doe, 1937 - (ORTHALICIDAE)
- lucidula, Hauffenia lucidula (A.M. Angelov, 1967) - (HYDROBIIDAE)
- Lucidula, syn of: Genus Pleurodonte G. Fischer von Waldheim, 1807 (PLEURODONTIDAE)
- lucidula, Triphora lucidula R.P.J. Hervier, 1898 - syn of: Notosinister lucidulus (R.P.J. Hervier, 1898) - (TRIPHORIDAE)
- lucidulus, Notosinister lucidulus (R.P.J. Hervier, 1898) - (TRIPHORIDAE)
- lucidum, Caecum lucidum L. de Folin, 1867 - (CAECIDAE)
- lucidum, Chaetoderma lucidum H. Heath, 1918 - (CHAETODERMATIDAE)
- lucidum, Vexillum lucidum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- lucidum, Craspedopoma lucidum R.T. Lowe, 1831 - syn of: Craspedopoma mucronatum (K.T. Menke, 1830) - (CRASPEDOPOMATIDAE)
- lucidum, Craspedopoma lucidum L. Pfeiffer, 1847 - syn of: Craspedopoma mucronatum (K.T. Menke, 1830) - (CRASPEDOPOMATIDAE)
- lucidum, Geitonoceras lucidum P.A. Zhuravleva, 1974 † - (NAUTILIDA (unassigned)) (FOSSIL)
- lucidum, Drepanotrema lucidum (L. Pfeiffer, 1839) - (PLANORBIDAE)
- lucidum, Propeamussium lucidum (J.G. Jeffreys in C. Wyville-Thomson, 1873) - (PROPEAMUSSIIDAE)
- lucidum, Pisidium lucidum V. Sterki, 1923 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- lucidum, Teinostoma lucidum A. Adams, 1863 - (TORNIDAE)
- lucidum marmoratum, Amussium lucidum marmoratum W.H. Dall, 1881 - syn of: Parvamussium marmoratum (W.H. Dall, 1881) - (PECTINIDAE)
- lucidum striata, Amusium lucidum striata J.G. Jeffreys, 1879 - syn of: Propeamussium lucidum (J.G. Jeffreys in C. Wyville-Thomson, 1873) - (PECTINIDAE)
- lucidus, Drymaeus lucidus L.A. Reeve, 1848 - syn of: Mesembrinus stramineus (L. Guilding, 1828) - (BULIMULIDAE)
- lucidus, Reticulapex lucidus K.C. Emberton & T.A. Pearce, 2000 - (CHAROPIDAE)
- lucidus, Zonitoides lucidus J.P.R. Draparnaud, 1805 - syn of: Zonitoides nitidus (O.F. Müller, 1774) - (GASTRODONTIDAE)
- lucidus, Paraguraleus lucidus C.F. Laseron, 1954 - (MANGELIIDAE)
- lucidus, Morlina lucidus S.E. Studer, 1820 - syn of: Morlina glabra (E.A. Rossmässler, 1835) - (OXYCHILIDAE)
- lucidus, Oxychilus lucidus G. Montagu, 1803 - syn of: Oxychilus cellarius (O.F. Müller, 1774) - (OXYCHILIDAE)
- lucidus, Oxychilus lucidus A. Moquin-Tandon, 1855 - syn of: Oxychilus draparnaudi (H.H. Beck, 1837) - (OXYCHILIDAE)
- lucidus, Pecten lucidus G.A. Goldfuss, 1835 † - syn of: Hilberia bifida (Münster in G.A. Goldfuss, 1835 †) - (PECTINIDAE) (FOSSIL)
- lucidus, Phrixgnathus lucidus H.H. Suter, 1896 - (PUNCTIDAE)
- lucidus, Solecurtus lucidus T.A. Conrad, 1837 - syn of: Siliqua lucida (T.A. Conrad, 1837) - (SOLECURTIDAE)
- lucidus, Tornus lucidus A.E.M. Cossmann, 1881 † - (TORNIDAE) (FOSSIL)
- lucidus, Trochus lucidus A. Risso, 1826 - syn of: Calliostoma conulus (C. Linnaeus, 1758) - (TROCHIDAE)
- lucidus selectus, Zonites lucidus selectus A. Mousson, 1863 - syn of: Longiphallus koutaisanus (A. Mousson, 1863) - (ZONITIDAE)
- Luciella, Genus Luciella de Koninck, 1883 † (LUCIELLIDAE) (FOSSIL)
- LUCIELLIDAE Knight, 1956 † - Family (GASTROPODA-VETIGASTROPODA) (FOSSIL)
- Luciellina, Genus Luciellina M'Coy, 1844 † (GOSSELETINIDAE) (FOSSIL)
- lucifer, Inoceramus lucifer K.E.I. von Eichwald, 1871 † - syn of: Mytiloceramus lucifer (K.E.I. von Eichwald, 1871 †) - (INOCERAMIDAE) (FOSSIL)
- lucifer, Blaesospira echinus lucifer (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- lucifer, Chondropometes vignalense lucifer C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- lucifer, Mytiloceramus lucifer (K.E.I. von Eichwald, 1871 †) - (PTERIIDA (unassigned)) (FOSSIL)
- lucifer, Retroceramus lucifer Koschelkina 1958 † - (RETROCERAMIDAE) (FOSSIL)
- lucifer, Tricornis lucifer C. Linnaeus, 1758 - syn of: Lobatus gigas (C. Linnaeus, 1758) - (STROMBIDAE)
- luciferus, Mytilus luciferus Yokoyama, 1924 † - (MYTILIDAE) (FOSSIL)
- lucifuga, Cuspidaria lucifuga P. Fischer, 1886 - syn of: Cuspidaria undata (A.E. Verrill, 1884) - (CUSPIDARIIDAE)
- lucifuga, Helix lucifuga J.D.W. Hartmann, 1844 - syn of: Cepaea nemoralis (C. Linnaeus) - (HELICIDAE)
- lucifuga, Cepaea nemoralis lucifuga (E.A. Rossmässler, 1835) - (HELICIDAE)
- lucii, Cerithium lucii Vasseur, 1881 † - (CERITHIIDAE) (FOSSIL)
- Lucilina, Subgenus Tonicia (Lucilina) W.H. Dall, 1882 (CHITONIDAE)
- Lucilla, Genus Lucilla R.T. Lowe, 1852 (HELICODISCIDAE)
- lucina, Mourlonia lucina J.W. Hall, 1862 † - syn of: Ptychomphalina lucina (J.W. Hall, 1862 †) - (GOSSELETINIDAE) (FOSSIL)
- Lucina, Genus Lucina J.B.P.A. Lamarck, 1799 (LUCINIDAE)
- lucina, Pleurotomaria lucina J.W. Hall, 1862 † - syn of: Ptychomphalina lucina (J.W. Hall, 1862 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- lucina, Ptychomphalina lucina (J.W. Hall, 1862 †) - (PTYCHOMPHALIDAE) (FOSSIL)
- lucina, Turbonilla lucina S. Nomura, 1938 - (PYRAMIDELLIDAE)
- lucinae, Alvania lucinae J.J. Oberling, 1970 - (RISSOIDAE)
- lucinaeformis, Cardinia lucinaeformis A.E.M. Cossmann, 1903 † - (CARDINIIDAE) (FOSSIL)
- lucinaeformis, Polymesoda lucinaeformis Laubriere & L.L.H. Carez, 1880 † - (CYRENIDAE) (FOSSIL)
- lucinalis, Loripes lucinalis (J.B.P.A. Lamarck, 1818) - (LUCINIDAE)
- lucinalis, Dosinia lucinalis (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- lucinalis, Petricola lucinalis J.B.P.A. Lamarck, 1818 - syn of: Petricola lapicida (J.F. Gmelin, 1791) - (VENERIDAE)
- Lucinaxinus, Genus Lucinaxinus † (CARDIIDA (unassigned)) (FOSSIL)
- Lucinella, Genus Lucinella T.A. de M. Monterosato, 1883 (LUCINIDAE)
- lucineps, Euselenops lucineps G.L.C.F.D. Cuvier, 1817 - syn of: Euselenops luniceps (G.L.C.F.D. Cuvier, 1816) - (PLEUROBRANCHAEIDAE)
- Lucinesca, syn of: Genus Lucinisca W.H. Dall, 1901 (LUCINIDAE)
- Lucinida, syn of: Genus Loripes G.S. Poli, 1791 (LUCINIDAE)
- LUCINIDAE Fleming, 1828 - Family (BIVALVIA-HETERODONTA-EUHETERODONTA-LUCINIDA)
- luciniformis, Cycladicama luciniformis A. Valenciennes in C. Rousseau, 1854 - (UNGULINIDAE)
- luciniformis, Cycladicama luciniformis A. Valenciennes, 1854 - syn of: Cycladicama luciniformis A. Valenciennes in C. Rousseau, 1854 - (UNGULINIDAE)
- Luciniola, Genus Luciniola Skeat & Madsen, 1898 † (LUCINIDAE) (FOSSIL)
- luciniolae, Lucina luciniolae C.J. Maury, 1924 † - (LUCINIDAE) (FOSSIL)
- Lucinisca, Genus Lucinisca W.H. Dall, 1901 (LUCINIDAE)
- lucinoides, Cardium lucinoides P.P. Carpenter, 1857 - syn of: Cardites crassicostatus (G.B. I Sowerby, 1825) - (CARDIIDAE)
- lucinoides, Neodelminiella lucinoides Kochansky-Devidé & Pikija, 1976 † - (CLAVATULIDAE) (FOSSIL)
- lucinoides, Abranda lucinoides (S.C.T. Hanley, 1846) - (TELLINIDAE)
- lucinoides, Phlyctiderma lucinoides (G.P. Deshayes, 1825 †) - (UNGULINIDAE) (FOSSIL)
- lucinoides, Dosinia lucinoides L.A. Reeve, 1850 - syn of: Dosinia cretacea (L.A. Reeve, 1850) - (VENERIDAE)
- Lucinoma, Genus Lucinoma W.H. Dall, 1901 (LUCINIDAE)
- Lucinopsis, syn of: Genus Mysia J.B.P.A. Lamarck, 1818 (VENERIDAE)
- lucinus, Prionolobus lucinus Tozer, 1994 † - (PROPTYCHITIDAE) (FOSSIL)
- lucipeta, Hemitrochus lucipeta (F. Poey, 1854) - (CEPOLIDAE)
- Luciploma, Genus Luciploma Olsson, 1942 † (VENERIDAE) (FOSSIL)
- lucirensis, Conus lucirensis Paes Da Franca, 1957 - syn of: Varioconus chytreus (G.W. Tryon, 1884) - (CONIDAE)
- Lucis, syn of: Genus Terebellum P.F. Röding, 1798 (SERAPHSIDAE)
- luckmanii, Planilaoma luckmanii (J.W. Brazier, 1877) - (CHAROPIDAE)
- luckmanii, Helix luckmanii J.W. Brazier, 1877 - syn of: Planilaoma luckmanii (J.W. Brazier, 1877) - (HELICIDAE)
- lucorum, Helix lucorum C. Linnaeus, 1758 - (HELICIDAE)
- lucorum onixiomicra, Helix lucorum onixiomicra J.R. Bourguignat, 1860 - (HELICIDAE)
- lucorum taurica, Helix lucorum taurica I. Krynicki, 1833 - (HELICIDAE)
- lucrativa, Phalium lucrativa T. Iredale, 1927 - syn of: Semicassis granulata (I. von Born, 1778) - (CASSIDAE)
- lucreciae, Chondropoma solidulum lucreciae C.G. Aguayo, 1943 - (POMATIIDAE)
- lucretia, Subcollina lucretia (A.V.M.D. D'Orbigny, 1847 †) - (AMMONOIDEA (unassigned)) (FOSSIL)
- luctans, Gyliotrachela luctans W.S.S. Van Benthem-Jutting, 1950 - (HYPSELOSTOMATIDAE)
- luctativa, Helix luctativa J.F. Mabille, 1889 - (HELICIDAE)
- luctator, Volutospina luctator (J. de C. Sowerby, 1823 †) - (VOLUTIDAE) (FOSSIL)
- luctatrix, Voluta luctatrix J. de C. Sowerby, 1823 † - syn of: Volutospina luctator (J. de C. Sowerby, 1823 †) - (VOLUTIDAE) (FOSSIL)
- luctifera, Cookeconcha luctifera (H.A. Pilsbry & E.G. Vanatta, 1905) - (ENDODONTIDAE)
- luctifera, Chondrothyra atristoma luctifera C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- luctificus, Conus luctificus L.A. Reeve, 1848 - syn of: Rhizoconus fumigatus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- luctuosa, Achatinella luctuosa L. Pfeiffer - syn of: Amastra luctuosa L. Pfeiffer, 1856 - (ACHATINELLIDAE)
- luctuosa, Amastra luctuosa L. Pfeiffer, 1856 - (AMASTRIDAE)
- luctuosa, Xesta luctuosa (H.H. Beck, 1837) - (ARIOPHANTIDAE)
- luctuosa, Pisania luctuosa (C.M. Tapparone-Canefri, 1880) - (BUCCINIDAE)
- luctuosa, Mauritia luctuosa P. Dautzenberg, 1902 - syn of: Mauritia eglantina (P.L. Duclos, 1833) - (CYPRAEIDAE)
- luctuosa, Aphelodoris luctuosa (T.F. Cheeseman, 1882) - (DORIDIDAE)
- luctuosa, Caecinella luctuosa (L.S.R. Bergh, 1870) - (DOTIDAE)
- luctuosa, Doto luctuosa (L.S.R. Bergh, 1870) - syn of: Caecinella luctuosa (L.S.R. Bergh, 1870) - (DOTIDAE)
- luctuosa, Littorina luctuosa L.A. Reeve, 1857 - syn of: Austrolittorina cincta (J.R.C. Quoy & J.P. Gaimard, 1833) - (LITTORINIDAE)
- luctuosa, Tectura luctuosa (J.B. Hombron & C.H. Jacquinot, 1841) - (LOTTIIDAE)
- luctuosa, Mangelia luctuosa D'Orbigny, 1845 - (MANGELIIDAE)
- luctuosa, Melanopsis dircaeana luctuosa P.M. Pallary, 1939 - (MELANOPSIDAE)
- luctuosa, Nebularia luctuosa A. Adams, 1853 - (MITRIDAE)
- luctuosa, Nassa luctuosa A. Adams, 1852 - syn of: Nassarius reeveanus luctuosus (A. Adams, 1852) - (NASSARIIDAE)
- luctuosa, Patella luctuosa A.A. Gould, 1846 - syn of: Cellana ornata (L.W. Dillwyn, 1817) - (PATELLIDAE)
- luctuosa, Crassispira luctuosa d'Orbigny, 1842 - (PSEUDOMELATOMIDAE)
- luctuosa, Crassispira luctuosa R.B. Hinds, 1843 - syn of: Crassispira kluthi H.K. Jordan, 1936 - (PSEUDOMELATOMIDAE)
- luctuosa, Tegula luctuosa (A.V.M.D. D'Orbigny, 1841) - (TEGULIDAE)
- luctuosa, Impages cinerea luctuosa (R.B. Hinds, 1844) - (TEREBRIDAE)
- luctuosa butonensis, Xesta luctuosa butonensis Sarsia, 1899 - (ARIOPHANTIDAE)
- luctuosa sulphurea, Amastra luctuosa sulphurea C.M.F. Ancey, 1904 - (AMASTRIDAE)
- luctuosum, Cerithium luctuosum J.B. Hombron & C.H. Jacquinot, 1852 - syn of: Cerithium zonatum (W. Wood, 1828) - (CERITHIIDAE)
- luctuosum, Chlorostoma luctuosum d'Orbigny, 1841 - (TEGULIDAE)
- luctuosus, Limax luctuosus A. Moquin-Tandon, 1855 - (LIMACIDAE)
- luctuosus, Nassarius reeveanus luctuosus (A. Adams, 1852) - (NASSARIIDAE)
- luctuosus, Clithon luctuosus (C.A. Récluz, 1841) - (NERITIDAE)
- lucubratonis, Antillophos lucubratonis K. Fraussen & G.T. Poppe, 2005 - (NASSARIIDAE)
- lucubratus, Omphalina lucubratus (T. Say, 1829) - (ZONITIDAE)
- lucubratus caducus, Omphalina lucubratus caducus (L. Pfeiffer, 1846) - (ZONITIDAE)
- lucubratus deppianus, Omphalina lucubratus deppianus (E.C. Von Martens, 1892) - (ZONITIDAE)
- lucubratus fasciatus, Omphalina lucubratus fasciatus (P.H. Fischer & J.C.H. Crosse, 1872) - (ZONITIDAE)
- lucubratus olivarius, Omphalina lucubratus olivarius (P.H. Fischer & J.C.H. Crosse, 1872) - (ZONITIDAE)
- lucubratus strebelianus, Omphalina lucubratus strebelianus (E.C. Von Martens, 1892) - (ZONITIDAE)
- luculenta, Horologica luculenta A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- luculenta, Peristernia luculenta H. Adams & A. Adams, 1864 - syn of: Godfreyena torri (J.C. Verco, 1909) - (FASCIOLARIIDAE)
- luculenta, Platyzona luculenta Pan & Erwin, 2002 † - (GONIASMATIDAE) (FOSSIL)
- luculenta, Marginella luculenta S. Gofas & F. Fernandes, 1994 - (MARGINELLIDAE)
- luculenta, Natica luculenta (C.A. Récluz, 1843) - (NATICIDAE)
- luculenta, Natica luculenta T. Iredale, 1929 † - (NATICIDAE) (FOSSIL)
- luculenta, Tanea luculenta C.A. Récluz, 1843 - syn of: Natica luculenta (C.A. Récluz, 1843) - (NATICIDAE)
- luculenta, Rectoclymenia luculenta Nikolaeva & Ivanovich, 2005 † - (RECTOCLYMENIIDAE) (FOSSIL)
- luculenta, Fontannesia luculenta Buckman † - (SONNINIIDAE) (FOSSIL)
- luculentum, Pusia luculentum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- luculentum, Chlamys luculentum (L.A. Reeve, 1853) - syn of: Semipallium fulvicostatum luculentum (L.A. Reeve, 1853) - (PECTINIDAE)
- luculentum, Semipallium fulvicostatum luculentum (L.A. Reeve, 1853) - (PECTINIDAE)
- luculentus, Latirus luculentus A. Adams, 1864 - (FASCIOLARIIDAE)
- luculentus, Murex luculentus L.A. Reeve, 1845 - syn of: Lataxiena fimbriata (R.B. Hinds, 1844) - (MURICIDAE)
- luculi, Acteon luculi C.J. Maury, 1910 † - (ACTEONIDAE) (FOSSIL)
- luculoensis, Aturia luculoensis Miller, 1938 † - (ATURIIDAE) (FOSSIL)
- lucunensis, Sanyangites lucunensis Zheng & X.T. Ma, 1982 † - (ARAXOCERATIDAE) (FOSSIL)
- Lucya, syn of: Genus Graphoceras Buckman, 1902 † (GRAPHOCERATIDAE) (FOSSIL)
- lucyi, Hyperlioceras lucyi (S.S. Buckman, 1889 †) - (GRAPHOCERATIDAE) (FOSSIL)
- ludbrookae, Tomopleura ludbrookae (A.W.B. Powell, 1944 †) - (BORSONIIDAE) (FOSSIL)
- ludbrookae, Cupedora ludbrookae G.A. Solem, 1992 - (CAMAENIDAE)
- ludbrookae, Gadila ludbrookae (B.C. Cotton & F.C. Godfrey, 1940) - (GADILIDAE)
- ludbrookae, Striocadulus ludbrookae V. Scarabino, 1995 - (GADILIDAE)
- ludbrookae, Botelloides ludbrookae W.F. Ponder, 1985 - (TROCHIDAE)
- ludbrookae, Amoria damonii ludbrookae P. Bail & A. Limpus, 1997 - (VOLUTIDAE)
- ludbrookae, Xenophora flindersi ludbrookae W.F. Ponder, 1983 † - (XENOPHORIDAE) (FOSSIL)
- ludbrookae recens, Botelloides ludbrookae recens W.F. Ponder, 1985 - (TROCHIDAE)
- ludbrooki, Striocadulus ludbrooki V. Scarabino, 1995 - syn of: Striocadulus ludbrookae V. Scarabino, 1995 - (GADILIDAE)
- Ludbrookia, Genus Ludbrookia Chavan, 1951 † (CARDITIDAE) (FOSSIL)
- ludens, Diala ludens J.C. Melvill & R. Standen, 1895 - syn of: Diala albugo (R.B. Watson, 1886) - (DIALIDAE)
- ludense, Temperoceras ludense (J. de C. Sowerby, 1839 †) - (GEISONOCERATIDAE) (FOSSIL)
- ludense, Orthoceras ludense J. de C. Sowerby, 1839 † - syn of: Temperoceras ludense (J. de C. Sowerby, 1839 †) - (ORTHOCERATIDAE) (FOSSIL)
- ludense granulatum, Temperoceras ludense granulatum Straw † - (GEISONOCERATIDAE) (FOSSIL)
- ludense granulatum, Orthoceras ludense granulatum J. de C. Sowerby, 1839 † - syn of: Temperoceras ludense granulatum Straw † - (ORTHOCERATIDAE) (FOSSIL)
- ludensis, Ostrea ludensis G.P. Deshayes, 1861 † - (OSTREIDAE) (FOSSIL)
- luderitzi, Tellina luderitzi Bohm & Weisfermel, 1913 † - (TELLINIDAE) (FOSSIL)
- ludersi, Trochomorpha ludersi (L. Pfeiffer, 1855) - (TROCHOMORPHIDAE)
- ludersi, Cylindrella ludersi L. Pfeiffer, 1859 - (UROCOPTIDAE)
- ludevigi, Cymatoceras ludevigi Potonie, 1925 † - (CYMATOCERATIDAE) (FOSSIL)
- ludfordi, Pronorites ludfordi Bisat † - (PRONORITIDAE) (FOSSIL)
- Ludificator, Subgenus Trochomorpha (Ludificator) F.C. Baker, 1941 (TROCHOMORPHIDAE)
- ludingtoni, Paraguembelites ludingtoni Tozer, 1979 † - (HALORITIDAE) (FOSSIL)
- ludiviniae, Vaceuchelus ludiviniae G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (CHILODONTIDAE)
- ludlowense, Michelinoceras ludlowense Miller & M.J. Faber, 1894 † - syn of: Ordogeisonoceras amplicameratum (J.W. Hall, 1847 †) - (MICHELINOCERATIDAE) (FOSSIL)
- ludlowense, Orthoceras ludlowense J.W. Hall, 1847 † - syn of: Ordogeisonoceras amplicameratum (J.W. Hall, 1847 †) - (ORTHOCERATIDAE) (FOSSIL)
- ludmillae, Adrana ludmillae (E.J. Petuch, 1987) - (NUCULANIDAE)
- ludovica, Asmunda ludovica (K.H.J. Thiele, 1925) - (PYRAMIDELLIDAE)
- ludovica, Thracia ludovica G.P. Deshayes, 1857 † - (THRACIIDAE) (FOSSIL)
- ludovicae, Bacatigonia ludovicae (Briart & Cornet, 1868) † - (PTEROTRIGONIIDAE) (FOSSIL)
- ludovice, Cerion ceiba ludovice C. de la Torre, 1954 - (CERIONIDAE)
- ludovici, Ampelita ludovici E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1994 - (ACAVIDAE)
- ludovici, Cerion ceiba ludovici C. de la Torre, 1954 - (CERIONIDAE)
- ludovici, Mesodontopsis ludovici (Noulet, 1854 †) - (HELICIDAE) (FOSSIL)
- ludovici, Gyraulus ludovici (Noulet, 1854 ) - (PLANORBIDAE)
- ludovici, Siphonaliopsis ludovici (Raincourt, 1877 †) - (TURRIDAE) (FOSSIL)
- ludovici, Macroceramus ludovici (L. Pfeiffer, 1853) - (UROCOPTIDAE)
- ludoviciae, Chiton ludoviciae (A. de Rochebrune, 1884) - (CHITONIDAE)
- ludoviciana, Barbatia ludoviciana G.F. Harris, 1899 † - (ARCIDAE) (FOSSIL)
- ludoviciana, Cordieria ludoviciana Vaughan † - (BORSONIIDAE) (FOSSIL)
- ludoviciana, Alectryonia ludoviciana G.F. Harris, 1919 † - (OSTREIDAE) (FOSSIL)
- ludoviciana, Pyrgophysa ludoviciana (H. Mittre, 1841) - (PLANORBIDAE)
- ludoviciania, Cypraea ludoviciania C.W. Johnson, 1899 † - syn of: Projenneria ludoviciania (C.W. Johnson, 1899 †) - (CYPRAEIDAE) (FOSSIL)
- ludoviciania, Projenneria ludoviciania (C.W. Johnson, 1899 †) - (PEDICULARIIDAE) (FOSSIL)
- ludovicianum, Diplodon ludovicianum A. de Rochebrune, 1881 - syn of: Trapezoideus exolescens (A.A. Gould, 1843) - (HYRIIDAE)
- ludovicii, Mandahlia tectiformis ludovicii (J.A. Albers, 1854) - (HYGROMIIDAE)
- ludugnica, Candidula ludugnica J.F. Mabille in É.A.A. Locard, 1882 - syn of: Candidula gigaxii (L. Pfeiffer, 1850) - (HYGROMIIDAE)
- ludus, Turbo ludus J.F. Gmelin, 1791 - syn of: Lunella undulata (J. Lightfoot, 1786) - (TURBINIDAE)
- Ludwigella, syn of: Genus Graphoceras Buckman, 1902 † (GRAPHOCERATIDAE) (FOSSIL)
- ludwigi, Melanopsis ludwigi Speyer, 1870 † - (MELANOPSIDAE) (FOSSIL)
- ludwigi, Gulella ludwigi B. Verdcourt & L.A.W.C. Venmans - (STREPTAXIDAE)
- Ludwigia, Genus Ludwigia Bayle, 1878 † (GRAPHOCERATIDAE) (FOSSIL)
- ludwigii, Entocolax ludwigii W. Voigt, 1888 - (EULIMIDAE)
- ludwigii, Heterodonax ludwigii (C.F.F. von Krauss, 1848) - (PSAMMOBIIDAE)
- ludwigii, Tellina ludwigii C.F.F. von Krauss, 1848 - syn of: Heterodonax ludwigii (C.F.F. von Krauss, 1848) - (TELLINIDAE)
- Ludwigina, syn of: Genus Ludwigia Bayle, 1878 † (GRAPHOCERATIDAE) (FOSSIL)
- luedersi, Trochomorpha luedersi L. Pfeiffer, 1855 - syn of: Trochomorpha ludersi (L. Pfeiffer, 1855) - (TROCHOMORPHIDAE)
- luedersii, Dosinia luedersii A. Römer, 1862 - (VENERIDAE)
- luegeri, Triptychia luegeri Schnabel, 2006 † - (FILHOLIIDAE) (FOSSIL)
- luehdorfi, Bathytoma luehdorfi (C.E. Lischke, 1872) - (BORSONIIDAE)
- luehdorfi, Micantapex luehdorfi C.E. Lischke, 1872 - syn of: Bathytoma luehdorfi (C.E. Lischke, 1872) - (BORSONIIDAE)
- luehdorfi, Pleurotoma luehdorfi C.E. Lischke, 1872 - syn of: Bathytoma luehdorfi (C.E. Lischke, 1872) - (TURRIDAE)
- luellingensis, Cerithioderma luellingensis Wienrich, 2001 † - (CAPULIDAE) (FOSSIL)
- luellingensis, Mangelia luellingensis Wienrich & Janssen, 2007 † - (MANGELIIDAE) (FOSSIL)
- lueneburgense, Anagaudryceras lueneburgense (Schluter, 1872 †) - (GAUDRYCERATIDAE) (FOSSIL)
- luengoi, Calocochlia luengoi (J.G. Hidalgo, 1888) - (BRADYBAENIDAE)
- luetkeni, Oenopota luetkeni W.H. Dall, 1919 - syn of: Granotoma krausei (W.H. Dall, 1887) - (MANGELIIDAE)
- luetzelburgi, Ringicella luetzelburgi (E. Weber, 1925) - (ODONTOSTOMIDAE)
- luetzelburgi, Streptaxis luetzelburgi E. Weber, 1925 - (STREPTAXIDAE)
- Luetzenia, syn of: Genus Echineulima C.F. Lützen & C. Nielsen, 1975 (EULIMIDAE)
- lufengensis, Amnicola lufengensis Pan, 1977 † - (AMNICOLIDAE) (FOSSIL)
- lufengensis, Galba lufengensis Pan, 1977 † - (LYMNAEIDAE) (FOSSIL)
- Lufengospira, Genus Lufengospira Yu & Xi, 1977 † (BITHYNIIDAE) (FOSSIL)
- lufensis, Megalacron lufensis (K.H.J. Thiele, 1928) - (CAMAENIDAE)
- lufescens, Papuina lufescens (K.H.J. Thiele, 1928) - (CAMAENIDAE)
- luganensis, Helix luganensis P. von Ströbel, 1852 - syn of: Cingulifera cingulatum (S.E. Studer, 1820) - (HELICIDAE)
- luganica, Helicopsis luganica N. Gural-Sverlova, 2010 - (HYGROMIIDAE)
- lugardi, Athleta lugardi R.B. Newton, 1922 † - (VOLUTIDAE) (FOSSIL)
- lugdunensis, Triptychia lugdunensis Schnabel, 2006 † - (FILHOLIIDAE) (FOSSIL)
- lugdunensis, Walkericeras lugdunensis S. Elmi & Rulleau, 1995 † - (HILDOCERATIDAE) (FOSSIL)
- lugdunensis, Tournouerina lugdunensis (J.R. Tournouër, 1879 †) - (HYDROBIIDAE) (FOSSIL)
- lugens, Unio lugens H. Drouët & M.A. Chaper, 1892 - syn of: Contradens contradens lugens (H. Drouët & M.A. Chaper, 1892) - (UNIONIDAE)
- lugens, Contradens contradens lugens (H. Drouët & M.A. Chaper, 1892) - (UNIONIDAE)
- lugeoni, Jacobella lugeoni Jeannet, 1908 † - (HILDOCERATIDAE) (FOSSIL)
- lugeoni, Brightia lugeoni Tsytovitch, 1911 † - (OPPELIIDAE) (FOSSIL)
- lugeri, Aegyptosaepia lugeri Košták & al., 2013 † - (BELOSAEPIIDAE) (FOSSIL)
- luggudensis, Protocardia luggudensis Troedsson, 1951 † - (CARDIIDAE) (FOSSIL)
- luglii, Gibberula luglii T. Cossignani, 2001 - (CYSTISCIDAE)
- luglii, Coralliophila luglii C. Smriglio & P. Mariottini, 2011 - (MURICIDAE)
- lugogonzalezorum, Bivetiella lugogonzalezorum B.M. Landau & al., 2007 † - (CANCELLARIIDAE) (FOSSIL)
- lugoi, Mexipyrgus lugoi D.W. Taylor, 1966 - syn of: Mexipyrgus carranzae D.W. Taylor, 1966 - (COCHLIOPIDAE)
- lugoni, Jacobella lugoni Jeannet † - (HILDOCERATIDAE) (FOSSIL)
- lugorensis, Chondrula lugorensis A.J. Wagner, 1914 - (ENIDAE)
- luguanus, Conomurex luguanus J.F.W. Herbst, 1788 - syn of: Conomurex luhuanus (C. Linnaeus, 1758) - (STROMBIDAE)
- lugubre, Buccinum lugubre C.B. Adams, 1852 - syn of: Trachypollia lugubris (C.B. Adams, 1852) - (BUCCINIDAE)
- Lugubrilaria, Genus Lugubrilaria M.A. Snyder, G.J. Vermeij & W.G. Lyons, 2012 (FASCIOLARIIDAE)
- lugubris, Eurytus lugubris (R.W. Dunker, 1882) - (AMPHIBULIMIDAE)
- lugubris, Armina lugubris (L.S.R. Bergh, 1874) - (ARMINIDAE)
- lugubris, Assiminea lugubris W.H. Turton, 1932 - (ASSIMINEIDAE)
- lugubris, Bulimus lugubris R.W. Dunker, 1882 - syn of: Eurytus lugubris (R.W. Dunker, 1882) - (BULIMULIDAE)
- lugubris, Chiton lugubris A.A. Gould, 1859 - syn of: Ischnochiton australis (G.B. II Sowerby, 1833) - (CHITONIDAE)
- lugubris, Columbella lugubris L.C. Kiener, 1841 - syn of: Pyrene flava (J.G. Bruguière, 1789) - (COLUMBELLIDAE)
- lugubris, Africonus lugubris (L.A. Reeve, 1849) - (CONIDAE)
- lugubris, Dendrodoris lugubris J.L.C. Gravenhorst, 1831 - syn of: Dendrodoris limbata (G.L.C.F.D. Cuvier, 1804) - (DENDRODORIDIDAE)
- lugubris, Doris lugubris (J.L.C. Gravenhorst, 1831) - (DORIDIDAE)
- lugubris, Doris lugubris C.G. Ehrenberg, 1831 - syn of: Dendrodoris limbata (G.L.C.F.D. Cuvier, 1804) - (DORIDIDAE)
- lugubris, Facelina lugubris (L.S.R. Bergh, 1882) - (FACELINIDAE)
- lugubris, Acanthopsole lugubris L.S.R. Bergh, 1882 - syn of: Facelina lugubris (L.S.R. Bergh, 1882) - (FACELINIDAE)
- lugubris, Cratena lugubris L.S.R. Bergh, 1870 - syn of: Tenellia lugubris (L.S.R. Bergh, 1870) - (FACELINIDAE)
- lugubris, Lugubrilaria lugubris (A. Adams & L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- lugubris, Fasciolaria lugubris A. Adams & L.A. Reeve, 1847 - syn of: Lugubrilaria lugubris (A. Adams & L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- lugubris, Pleuroploca lugubris A. Adams & L.A. Reeve, 1847 - syn of: Lugubrilaria lugubris (A. Adams & L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- lugubris, Tenellia lugubris (L.S.R. Bergh, 1870) - (FIONIDAE)
- lugubris, Laetmoteuthis lugubris S.S. Berry, 1913 - (LAETMOTEUTHIDAE)
- lugubris, Nebularia lugubris (W.J. Swainson, 1821) - (MITRIDAE)
- lugubris, Nebularia lugubris H.A. Pilsbry, 1920, 1921 - syn of: Mitra coronata J.B.P.A. Lamarck, 1811 - (MITRIDAE)
- lugubris, Muregina lugubris (W.J. Broderip, 1833) - (MURICIDAE)
- lugubris, Mexacanthina lugubris (J. de C. Sowerby, 1821) - (MURICIDAE)
- lugubris, Trachypollia lugubris (C.B. Adams, 1852) - (MURICIDAE)
- lugubris, Acanthina lugubris J. de C. Sowerby, 1821 - syn of: Mexacanthina lugubris (J. de C. Sowerby, 1821) - (MURICIDAE)
- lugubris, Cyllene lugubris A. Adams & L.A. Reeve, 1850 - (NASSARIIDAE)
- lugubris, Natica lugubris Stoppani, 1857 † - syn of: Neritaria comensis (R. Hoernes, 1856 †) - (NATICIDAE) (FOSSIL)
- lugubris, Nerita lugubris R.A. Philippi, 1843 - syn of: Theodoxus cariosus (W. Wood, 1828) - (NERITIDAE)
- lugubris, Leda lugubris A. Adams, 1856 - syn of: Neilonella sulculata (A.A. Gould, 1852) - (NUCULANIDAE)
- lugubris, Oliva caerulea lugubris J.B.P.A. Lamarck, 1811 - (OLIVIDAE)
- lugubris, Ostrea lugubris G.B. II Sowerby, 1871 - syn of: Crassostrea bilineata (P.F. Röding, 1798) - (OSTREIDAE)
- lugubris, Alectryonia lugubris T.A. Conrad † - syn of: Ostrea leveretti L.W. Stephenson, 1952 † - (OSTREIDAE) (FOSSIL)
- lugubris, Partula lugubris W.H. Pease, 1864 - (PARTULIDAE)
- lugubris, Patella lugubris J.F. Gmelin, 1791 - (PATELLIDAE)
- lugubris, Planorbis lugubris J.A. Wagner, 1827 - syn of: Biomphalaria glabrata (T. Say, 1818) - (PLANORBIDAE)
- lugubris, Monodonta lugubris J.B.P.A. Lamarck, 1822 - (TROCHIDAE)
- lugubris, Diloma lugubris J.F. Gmelin, 1791 - syn of: Diloma aethiops (J.F. Gmelin, 1791) - (TROCHIDAE)
- lugubris, Bankivia lugubris A.A. Gould, 1861 - syn of: Bankivia fasciata (K.T. Menke, 1830) - (TROCHIDAE)
- lugubris, Turbo lugubris L.A. Reeve, 1848 - syn of: Lunella cinerea (I. von Born, 1778) - (TURBINIDAE)
- lugubris, Unio lugubris I. Lea, 1834 - syn of: Elliptio cylindracea L.S. Frierson, 1927 - (UNIONIDAE)
- lugubris, Anodonta lugubris T. Say, 1829 - syn of: Anodonta grandis T. Say, 1829 - (UNIONIDAE)
- lugubris, Cymbiola lugubris W.J. Swainson, 1823 - syn of: Cymbiola flavicans (J.F. Gmelin, 1791) - (VOLUTIDAE)
- lugubris angelica, Mexacanthina lugubris angelica (I.M. Oldroyd, 1918) - syn of: Mexacanthina angelica (I.M. Oldroyd, 1918) - (MURICIDAE)
- lugubris fuscus, Conus lugubris fuscus J.G. de Barros e Cunha, 1933 - syn of: Africonus lugubris (L.A. Reeve, 1849) - (CONIDAE)
- lugubris heynemanni, Pleuroploca lugubris heynemanni R.W. Dunker, 1870 - syn of: Kilburnia heynemanni (R.W. Dunker, 1870) - (FASCIOLARIIDAE)
- lugubris heynemanni, Fasciolaria lugubris heynemanni R.W. Dunker, 1870 - syn of: Kilburnia heynemanni (R.W. Dunker, 1870) - (FASCIOLARIIDAE)
- lugubris lenior, Anisodiloma lugubris lenior H.J. Finlay, 1927 - syn of: Diloma bicanaliculata lenior (H.J. Finlay, 1927) - (TROCHIDAE)
- lugubris strebeli, Lugubrilaria lugubris strebeli H.C. Fulton, 1930 - syn of: Kilburnia strebeli (H.C. Fulton, 1930) - (FASCIOLARIIDAE)
- luguhuensis, Gyraulus luguhuensis F.Y. Shu, F. Köhler, C.C. Fu & H.Z. Wang, 2013 - (PLANORBIDAE)
- lugula, Doto lugula J.A. Ortea, 2001 - syn of: Doto iugula J.A. Ortea, 2001 - (DOTIDAE)
- lugulosus, Mirus lugulosus (O.F. von Möllendorff, 1900) - (ENIDAE)
- luhai, Orthoceras luhai Stumbur, 1956 † - (ORTHOCERATIDAE) (FOSSIL)
- luhdorfi, Bathytoma luhdorfi C.E. Lischke, 1872 - syn of: Bathytoma luehdorfi (C.E. Lischke, 1872) - (BORSONIIDAE)
- luhdorfii, Mactra luhdorfii R.W. Dunker, 1864 - syn of: Spisula sachalinensis (L. von Schrenck, 1862) - (MACTRIDAE)
- luhuana, Mandarina luhuana (G.B. Sowerby, 1839) - (CAMAENIDAE)
- luhuana, Polymesoda luhuana H.A. Pilsbry - (CYRENIDAE)
- luhuana minamijimana, Mandarina luhuana minamijimana R. Chiba, 2007 - (CAMAENIDAE)
- luhuanus, Conomurex luhuanus (C. Linnaeus, 1758) - (STROMBIDAE)
- lui, Asperoteuthis lui M.A. Salcedo-Vargas, 1999 - (CHIROTEUTHIDAE)
- lui, Fossarus lui Y.F. Huang, 2012 - (PLANAXIDAE)
- luigiraybaudii, Pusia luigiraybaudii G.T. Poppe, E.G. Guillot de Suduiraut & S.P. Tagaro, 2006 - (COSTELLARIIDAE)
- Luinarion, syn of: Genus Helicarion A.E.J. Férussac, 1821 (HELICARIONIDAE)
- Luinodiscus, Genus Luinodiscus T. Iredale, 1937 (CHAROPIDAE)
- luisae, Pleurotomoides luisae (A. von Koenen, 1872 †) - (CLATHURELLIDAE) (FOSSIL)
- luisae, Jorunna luisae Ev. Marcus, 1976 - (DISCODORIDIDAE)
- luisalvarezi, Schwartziella luisalvarezi E. Rolán & R. Fernández-Garcés, 2010 - (ZEBINIDAE)
- luiscarlosi, Plesiocystiscus luiscarlosi L. Bozzetti, P.M.S. Costa & T. Cossignani, 2010 - (CYSTISCIDAE)
- luisi, Corrosella luisi H.D. Boeters, 1984 - (HYDROBIIDAE)
- luisi, Schwartziella luisi E. Rolán & L. Luque, 2000 - (ZEBINIDAE)
- luitfredi, Chaetoderma luitfredi (D. Ivanov in O.A. Scarlato, 1987) - (CHAETODERMATIDAE)
- luitfriedi, Chaetoderma luitfriedi D. Ivanov, 1984 - syn of: Chaetoderma luitfredi (D. Ivanov in O.A. Scarlato, 1987) - (CHAETODERMATIDAE)
- Luitfriedia, Genus Luitfriedia Ó. García-Álvarez & V. Urgorri, 2001 (PRUVOTINIDAE)
- luizcoutoi, Scaphella luizcoutoi J. Coltro, 1998 - (VOLUTIDAE)
- Luizia, Genus Luizia J.H.F. Douvillé, 1933 (PSEUDOLIVIDAE)
- lujanensis, Diplodon lujanensis H.F.A. von Ihering, 1907 - syn of: Rhipidodonta charruana (A.V.M.D. D'Orbigny, 1835) - (HYRIIDAE)
- lujani, Cassiope lujani Verneuil, 1899 † - (CASSIOPIDAE) (FOSSIL)
- lukai, Plagigeyeria lukai P. Glöer & V.M. Pešic, 2014 - (HYDROBIIDAE)
- lukenderi, Cerithium lukenderi M. Harzhauser, 2007 † - (CERITHIIDAE) (FOSSIL)
- lukenederi, Pyreneola lukenederi M. Harzhauser, 2014 † - (COLUMBELLIDAE) (FOSSIL)
- lukesi, Palaeozygopleura lukesi Frýda, Ferrová & Frýdová, 2013 † - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- lukesi, Palaeozygopleura lukesi Fryda & al., 2013 † - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- Lukesispira, Genus Lukesispira Frýda & Manda, 1997 † (ARCHAEOGASTROPODA (unassigned)) (FOSSIL)
- lukini, Leptochiton lukini B.I. Sirenko, 1990 - (LEPTOCHITONIDAE)
- lukini, Parvithracia lukini G.M. Kamenev, 2002 - (THRACIIDAE)
- lukinii, Lacuna lukinii (A.N. Golikov & V.V. Gulbin, 1978) - (LITTORINIDAE)
- lukisiana, Fadyenia lukisiana E. Chitty, 1857 - (HELICINIDAE)
- lukisii, Odostomia lukisii J.G. Jeffreys, 1859 - (PYRAMIDELLIDAE)
- lukjanovae, Sanguinolites lukjanovae Muromtseva, 1984 † - (SANGUINOLITIDAE) (FOSSIL)
- lukovensis, Cosmocerithium lukovensis A. Kaim, 2004 † - (PROCERITHIIDAE) (FOSSIL)
- lukovensis, Torallochus lukovensis A. Kaim, 2004 † - (TURBINIDAE) (FOSSIL)
- lukuluensis, Mutela lukuluensis H.B. Preston, 1913 - syn of: Aspatharia pfeifferiana (A.C. Bernardi, 1860) - (IRIDINIDAE)
- lulat, Modiolus lulat (P. Dautzenberg, 1891) - (MYTILIDAE)
- lulianus, Cantharus lulianus K. Martin, 1884 † - (BUCCINIDAE) (FOSSIL)
- Lullicola, syn of: Genus Megalacron B. Rensch, 1934 (CAMAENIDAE)
- lululimi, Gemmula lululimi B.M. Olivera, 2000 - (TURRIDAE)
- lumaria, Ocenebra lumaria M. Yokoyama, 1926 - (MURICIDAE)
- lumarius, Hemihoplites lumarius (Renngarten, 1951 †) - (HEMIHOPLITIDAE) (FOSSIL)
- lumbalis, Succinea lumbalis A.A. Gould, 1846 - (SUCCINEIDAE)
- lumbrica, Doryssa lumbrica (L.A. Reeve, 1860) - (PACHYCHILIDAE)
- lumbricalis, Laxispira lumbricalis W.M. Gabb, 1877 † - (TURRITELLIDAE) (FOSSIL)
- lumbricalis, Vermicularia lumbricalis (C. Linnaeus, 1758) - (TURRITELLIDAE)
- lumbricalis, Vermetus lumbricalis C. Linnaeus, 1758 - syn of: Vermicularia lumbricalis (C. Linnaeus, 1758) - (VERMETIDAE)
- lumbricalis, Serpula lumbricalis C. Linnaeus, 1758 - syn of: Vermicularia lumbricalis (C. Linnaeus, 1758) - (VERMETIDAE)
- lumbricalis nigricans, Vermetus lumbricalis nigricans W.H. Dall, 1884 - syn of: Petaloconchus nigricans (W.H. Dall, 1884) - (VERMETIDAE)
- lumbricus, Aesopus lumbricus L.A. Reeve, 1849 - syn of: Aesopus obesus (R.B. Hinds, 1844) - (COLUMBELLIDAE)
- lumila, Gyrotoma lumila I. Lea, 1860 - (PLEUROCERIDAE)
- luminifera, Bruggennea luminifera J.J. Vermeulen, 2007 - (STREPTAXIDAE)
- luminosa, Melanella luminosa B.A. Marshall, 1997 - (EULIMIDAE)
- luminosa, Eucleoteuthis luminosa (M. Sasaki, 1915) - (OMMASTREPHIDAE)
- luminosus, Xiadongoconus luminosus Yü, 1979 † - (MAIKHANELLIDAE) (FOSSIL)
- lumstenianum, Pisidium lumstenianum E. Forbes, 1838 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- luna, Bradybaena luna H.A. Pilsbry, 1902 - (BRADYBAENIDAE)
- luna, Okenia luna S.V. Millen, M. Schrödl, A. Vargas & Indacochea, 1994 - (GONIODORIDIDAE)
- luna, Myalina luna Whidborne † - (MYALINIDAE) (FOSSIL)
- luna, Primovula luna Y. Omi, 2007 - syn of: Pseudosimnia diaphana (W. Liltved, 1987) - (OVULIDAE)
- luna, Amusium luna J. Brown & H.A. Pilsbry, 1913 † - syn of: Amusium toulae J. Brown & H.A. Pilsbry, 1911 † - (PECTINIDAE) (FOSSIL)
- lunaense, Infabricaticeras lunaense Cobban, Hook & J. Kennedy, 1989 † - (VASCOCERATIDAE) (FOSSIL)
- lunai, Chrysallis aspersa lunai P. Bartsch, 1932 - (BRADYBAENIDAE)
- lunai, Helicostyla dactylus lunai (P. Bartsch, 1919) - (BRADYBAENIDAE)
- lunai, Tomocyclus lunai P. Bartsch, 1945 - (MEGALOMASTOMIDAE)
- lunaia, Natica lunaia S.S. Berry, 1964 † - (NATICIDAE) (FOSSIL)
- Lunaia, syn of: Genus Natica J.A. Scopoli, 1777 (NATICIDAE)
- lunanense, Wanwanoceras lunanense C. Chen & Z. Qi, 1979 † - (PLECTRONOCERATIDAE) (FOSSIL)
- lunanense, Protactinoceras lunanense C. Chen & Z. Qi, 1979 † - (PROTACTINOCERATIDAE) (FOSSIL)
- lunanensis, Euphaedusa lunanensis S.Q. Zhang, C. Chen & S.P. Zhang, 1999 - (CLAUSILIIDAE)
- lunanensis acutissima, Euphaedusa lunanensis acutissima H. Nordsieck, 2003 - (CLAUSILIIDAE)
- Lunanoceras, Genus Lunanoceras Chen & Qi, 1979 † (PLECTRONOCERATIDAE) (FOSSIL)
- Lunarca, Genus Lunarca J.E. Gray, 1842 (ARCIDAE)
- lunare, Entolium lunare (F.A. Roemer, 1839 †) - (ENTOLIIDAE) (FOSSIL)
- Lunaria, syn of: Genus Lunarca J.E. Gray, 1842 (ARCIDAE)
- lunaris, Baeolidia lunaris L. Carmona, M. Pola, T.M. Gosliner & J.L. Cervera, 2014 - (AEOLIDIIDAE)
- lunaris, Bakevellia lunaris (I. Hayami, 1960 †) - (BAKEVELLIIDAE) (FOSSIL)
- lunaris, Parainoceramya lunaris I. Hayami, 1960 † - syn of: Bakevellia lunaris (I. Hayami, 1960 †) - (INOCERAMIDAE) (FOSSIL)
- lunaris, Natica lunaris (S.S. Berry, 1964) - (NATICIDAE)
- lunaris, Pecten lunaris S.S. Berry, 1963 - syn of: Leopecten stillmani (H.H. Dijkstra, 1998) - (PECTINIDAE)
- lunaris, Leopecten lunaris S.S. Berry, 1963 - syn of: Leopecten stillmani (H.H. Dijkstra, 1998) - (PECTINIDAE)
- lunaris, Pecten lunaris S.S. Berry, 1963 - syn of: Leopecten stillmani (H.H. Dijkstra, 1998) - (PECTINIDAE)
- lunaris, Trochus lunaris J.F. Gmelin, 1791 - syn of: Limacina retroversa (J. Fleming, 1823) - (TROCHIDAE)
- lunaris, Turmalites lunaris Farsan & Blind, 1990 † - (TURMALITIDAE) (FOSSIL)
- lunaris, Cycladicama lunaris M. Yokoyama, 1927 - (UNGULINIDAE)
- lunaris, Periglypta lunaris J.B.P.A. Lamarck, 1818 - syn of: Dosinia lupina (C. Linnaeus, 1758) - (VENERIDAE)
- lunata, Mariasveltia lunata (T.A. Conrad, 1830 †) - (CANCELLARIIDAE) (FOSSIL)
- lunata, Eatonina lunata (C.F. Laseron, 1956) - (CINGULOPSIDAE)
- lunata, Astyris lunata (T. Say, 1826) - (COLUMBELLIDAE)
- lunata, Warrana lunata P.U. Middelfart, 2002 - (CONDYLOCARDIIDAE)
- lunata, Erosaria lunata G. Fischer von Waldheim, 1807 - syn of: Erosaria acicularis (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- lunata, Cymatosyrinx lunata (Lea, 1833 †) - (DRILLIIDAE) (FOSSIL)
- lunata, Melanella lunata H.A. Pilsbry, 1918 - (EULIMIDAE)
- lunata, Ephippodonta lunata (R. Tate, 1887) - (GALEOMMATIDAE)
- lunata, Nassa lunata T. Say, 1826 - syn of: Astyris lunata (T. Say, 1826) - (MURICIDAE)
- lunata, Ciboticola lunata (C. Hedley, 1902) - (MYTILIDAE)
- lunata, Natica aquitanica lunata C. Mayer, 1895 † - (NATICIDAE) (FOSSIL)
- Lunatia, syn of: Genus Euspira A.E.R. Agassiz, 1839 (NATICIDAE)
- lunatica, Excussispira lunatica (P.M. Heude, 1888) - (CLAUSILIIDAE)
- Lunatica, syn of: Genus Turbo C. Linnaeus, 1758 (TURBINIDAE)
- lunatus, Anarcestes lunatus Eichenberg, 1930 † - (ANARCESTIDAE) (FOSSIL)
- lunatus, Beyrichoceratoides lunatus (Miller & Gurley, 1896 †) - (MUENSTEROCERATIDAE) (FOSSIL)
- lunatus, Pyknochiton lunatus Hoare, 2000 † - (OCHMAZOCHITONIDAE) (FOSSIL)
- lunatus, Borestus lunatus Pinilla & al., 2007 † - (PHYMATOPLEURIDAE) (FOSSIL)
- lundbreckensis, Sphenoceramus lundbreckensis McLearn, 1929 † - (INOCERAMIDAE) (FOSSIL)
- lundeliusae, Chicoreus lundeliusae N.H. Ludbrook, 1978 † - (MURICIDAE) (FOSSIL)
- lundeliusae, Nannamoria lundeliusae N.H. Ludbrook, 1978 † - (VOLUTIDAE) (FOSSIL)
- lundeliussae, Nannamoria lundeliussae N.H. Ludbrook, 1978 † - syn of: Nannamoria lundeliusae N.H. Ludbrook, 1978 † - (VOLUTIDAE) (FOSSIL)
- lundgreni, Streptotrochus lundgreni (Lindstrom, 1884 †) - (ELASMONEMATIDAE) (FOSSIL)
- lundgreni, Hystricoceras lundgreni (Lindström, 1884 †) - (EUOMPHALIDAE) (FOSSIL)
- lundgreni, Ptychites lundgreni Mojsisovics, 1886 † - syn of: Arctoptychites euglyphus (Mojsisovics, 1886 †) - (PTYCHITIDAE) (FOSSIL)
- lundgreni, Trochus lundgreni Lindström 1884 † - (TROCHIDAE) (FOSSIL)
- lundgrenii, Searlesia lundgrenii Harmer (ex Morch & Poulsen MS) † - (BUCCINIDAE) (FOSSIL)
- lundi, Helicina lundi H.H. Beck, 1858 - (HELICINIDAE)
- lundi, Entodina lundi (O.A.L. Mörch, 1871) - (SCOLODONTIDAE)
- lundii, Planorbis lundii H.H. Beck, 1838 - syn of: Biomphalaria glabrata (T. Say, 1818) - (PLANORBIDAE)
- lunella, Laciniaria bajula lunella H. Nordsieck, 1973 - (CLAUSILIIDAE)
- lunella, Abra lunella (A.A. Gould, 1861) - (SEMELIDAE)
- lunella, Macoma lunella A.A. Gould, 1861 - syn of: Abra lunella (A.A. Gould, 1861) - (TELLINIDAE)
- Lunella, Genus Lunella P.F. Röding, 1798 (TURBINIDAE)
- lunellaris, Isabellaria saxicola lunellaris (L. Pfeiffer, 1849) - (CLAUSILIIDAE)
- lunellifera, Omanillya lunellifera H. Nordsieck, 2015 † - (CLAUSILIIDAE) (FOSSIL)
- lunellum, Homalopoma lunellum Y.F. Huang, C.C. Fu & G.T. Poppe, 2016 - (COLLONIIDAE)
- lunense, Liroceras lunense J.S. Turner, 1954 † - (LIROCERATIDAE) (FOSSIL)
- lunense, Teinostoma lunense F. Rubio, R. Fernández-Garcés & E. Rolán, 2011 - (TORNIDAE)
- lunensis, Clausilia lunensis C. De Stefani, 1881 - syn of: Clausilia rugosa pinii C.A. Westerlund, 1878 - (CLAUSILIIDAE)
- lunensis, Toffolettia lunensis C. De Stefani, 1879 - syn of: Toffolettia striolata (C. Porro, 1840) - (DIPLOMMATINIDAE)
- lunensis, Alzoniella lunensis M. Bodon & S. Cianfanelli, 2002 - (HYDROBIIDAE)
- lunensis, Palaeoglandina lunensis (d'Ancona in Cocchi, 1867) † - (OLEACINIDAE) (FOSSIL)
- lungershauseni, Viviparus lungershauseni V.V. Bogachev, 1961 † - (VIVIPARIDAE) (FOSSIL)
- luniceps, Euselenops luniceps (G.L.C.F.D. Cuvier, 1816) - (PLEUROBRANCHAEIDAE)
- luniceps, Pleurobranchus luniceps G.L.C.F.D. Cuvier, 1816 - syn of: Euselenops luniceps (G.L.C.F.D. Cuvier, 1816) - (PLEUROBRANCHIDAE)
- lunifer, Unio lunifer I. Lea, 1870 - syn of: Unio terminalis J.R. Bourguignat, 1852 - (UNIONIDAE)
- lunikensis, Gyralina lunikensis Z. Fehér & Z. Eröss, 2009 - (ZONITIDAE)
- luningense, Coroniceras luningense Taylor, 1998 † - (ARIETITIDAE) (FOSSIL)
- lunisligata, Ericusa fulgetrum lunisligata J.C. Verco, 1912 - (VOLUTIDAE)
- Lunopsis, syn of: Genus Limopsis A. Sasso, 1827 (LIMOPSIDAE)
- Lunovula, Genus Lunovula G. Rosenberg, 1990 (PEDICULARIIDAE)
- lunsfordensis, Fluminicola lunsfordensis R. Hershler, H.P. Liu, T.J. Frest & E.J. Johannes, 2007 - (LITHOGLYPHIDAE)
- lunti, Miradiscops lunti (E.A. Smith, 1898) - (SCOLODONTIDAE)
- Luntia, Subgenus Leptinaria (Luntia) E.A. Smith, 1898 (SUBULINIDAE)
- lunula, Anomia lunula M. Yokoyama, 1922 - syn of: Isomonia umbonata (A.A. Gould, 1861) - (ANOMIIDAE)
- lunula, Glyphiolobus lunula (Kapp, 1931 †) - (DIMORPHOCERATIDAE) (FOSSIL)
- lunula, Lunuloceras lunula (Reinecke, 1818 †) - (OPPELIIDAE) (FOSSIL)
- lunula, Triodopsis lunula C.S. Rafinesque, 1819 - syn of: Triodopsis tridentata (T. Say, 1816) - (POLYGYRIDAE)
- LUNULACARDIIDAE P. Fischer, 1887 † - Family (BIVALVIA-PTERIOMORPHIA-MYALINIDA) (FOSSIL)
- Lunulacardium, Genus Lunulacardium Münster, 1840 † (LUNULACARDIIDAE) (FOSSIL)
- lunulae, Lamellinucula lunulae del Río & Y. Camacho-García, 2002 † - (NUCULIDAE) (FOSSIL)
- Lunularca, syn of: Genus Lunarca J.E. Gray, 1842 (ARCIDAE)
- lunularia, Chionella lunularia (G.P. Deshayes, 1825 †) - (VENERIDAE) (FOSSIL)
- lunularis, Lycettia lunularis (J. Lycett, 1857 †) - (MYTILIDAE) (FOSSIL)
- lunulata, Astarte lunulata T.A. Conrad, 1834 - syn of: Crassinella lunulata (T.A. Conrad, 1834) - (ASTARTIDAE)
- lunulata, Astarte lunulata K.H. Barnard, 1964 - syn of: Propecuna africana (P. Bartsch, 1915) - (ASTARTIDAE)
- lunulata, Crassinella lunulata (T.A. Conrad, 1834) - (CRASSATELLIDAE)
- lunulata, Donax lunulata G.P. Deshayes, 1855 - syn of: Hiatula lunulata (G.P. Deshayes, 1855) - (DONACIDAE)
- lunulata, Donax lunulata J.B.P.A. Lamarck, 1806 † - syn of: Cyclotellina lunulata (J.B.P.A. Lamarck, 1806 †) - (DONACIDAE) (FOSSIL)
- lunulata, Glossus lunulata P. Nyst, 1835 - syn of: Glossus humanus (C. Linnaeus, 1758) - (GLOSSIDAE)
- lunulata, Glycymeris lunulata (P. Nyst, 1836 †) - (GLYCYMERIDIDAE) (FOSSIL)
- lunulata, Collabrina lunulata C.O. Waterhouse, 1978 † - (GOSSELETINIDAE) (FOSSIL)
- lunulata, Helix lunulata I. Krynicki, 1833 - syn of: Helicopsis striata (O.F. Müller, 1774) - (HELICIDAE)
- lunulata, Panopea lunulata Keyserling, 1846 † - syn of: Wilkingia lunulata (Keyserling, 1846 †) - (HIATELLIDAE) (FOSSIL)
- lunulata, Sepioteuthis lunulata J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Sepioteuthis lessoniana R.P. Lesson, 1830 - (LOLIGINIDAE)
- lunulata, Polidevcia lunulata Dembskaya, 1972 † - (NUCULANIDAE) (FOSSIL)
- lunulata, Hapalochlaena lunulata (J.R.C. Quoy & J.P. Gaimard, 1832) - (OCTOPODIDAE)
- lunulata, Palaeomutela lunulata Amalitsky, 1892 † - (PALAEOMUTELIDAE) (FOSSIL)
- lunulata, Hiatula lunulata (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- lunulata, Leiopteria lunulata (B. Phillips, 1836 †) - (PTERINEIDAE) (FOSSIL)
- lunulata, Chemnitzia lunulata Stoppani, 1858 † - syn of: Toxoconcha brocchi Stoppani, 1857 † - (PYRAMIDELLIDAE) (FOSSIL)
- lunulata, Wilkingia lunulata (Keyserling, 1846 †) - (SANGUINOLITIDAE) (FOSSIL)
- lunulata, Cyclotellina lunulata (J.B.P.A. Lamarck, 1806 †) - (TELLINIDAE) (FOSSIL)
- lunulata, Tellidora lunulata F.S. Holmes, 1858 † - (TELLINIDAE) (FOSSIL)
- lunulata, Vacunella lunulata (Maslennikov, 1935 †) - (VACUNELLIDAE) (FOSSIL)
- lunulata, Cyclina lunulata J. Makiyama, 1926 † - (VENERIDAE) (FOSSIL)
- lunulata, Katelysia lunulata J. Marwick, 1931 † - (VENERIDAE) (FOSSIL)
- lunulatus, Unio lunulatus W.L. Pratt, 1976 - syn of: Quadrula quadrula C.S. Rafinesque, 1820 - (UNIONIDAE)
- Lunulazona, Genus Lunulazona Sadlick & Nielsen, 1963 † (GOSSELETINIDAE) (FOSSIL)
- Lunulicardia, Genus Lunulicardia J.E. Gray, 1853 (CARDIIDAE)
- LUNULICARDIIDAE Fischer, 1887 † - Family (BIVALVIA-PTERIOMORPHIA-PTERIIDA) (FOSSIL)
- Lunulicardita, syn of: Genus Strophocardia A.A. Olsson, 1961 (CARDITIDAE)
- Lunulicardium, syn of: Genus Lunulicardia J.E. Gray, 1853 (CARDIIDAE)
- lunulicosta, Goniatites lunulicosta C.L.F. von Sandberger, 1850 † - syn of: Lunupharciceras lunulicosta (C.L.F. von Sandberger, 1850 †) - (GONIATITIDAE) (FOSSIL)
- lunulicosta, Lunupharciceras lunulicosta (C.L.F. von Sandberger, 1850 †) - (PHARCICERATIDAE) (FOSSIL)
- lunulifer, Unio lunulifer J.R. Bourguignat, 1856 - syn of: Unio terminalis J.R. Bourguignat, 1852 - (UNIONIDAE)
- lunulifera, Turris lunulifera (A. von Koenen, 1890 †) - (TURRIDAE) (FOSSIL)
- lunulifera, Gemmula lunulifera A. von Koenen, 1890 † - syn of: Turris lunulifera (A. von Koenen, 1890 †) - (TURRIDAE) (FOSSIL)
- lunulifera, Cockburnia lunulifera (R.O. Wilckens, 1911 †) - (VENERIDAE) (FOSSIL)
- lunulifera gradata, Turris lunulifera gradata Sokolov † - (TURRIDAE) (FOSSIL)
- Lunuloceras, Genus Lunuloceras Parona & Bonarelli, 1895 † (OPPELIIDAE) (FOSSIL)
- lunuloides, Lunuloceras lunuloides (Kilian, 1889 †) - (OPPELIIDAE) (FOSSIL)
- lunulus, Cadulus lunulus W.H. Dall, 1881 - (GADILIDAE)
- lunulus, Stutchburia lunulus J.E. Walter, 1953 † - (KALENTERIDAE) (FOSSIL)
- Lunupharciceras, Genus Lunupharciceras Korn , 2002 † (PHARCICERATIDAE) (FOSSIL)
- lunwalensis, Cyrtorostra lunwalensis (Reed, 1944 †) - (DELTOPECTINIDAE) (FOSSIL)
- lunwalensis, Blanfordinia lunwalensis Reed, 1944 † - syn of: Cyrtorostra lunwalensis (Reed, 1944 †) - (DELTOPECTINIDAE) (FOSSIL)
- lunzensis, Bythinella lunzensis H.D. Boeters, 2008 - (BYTHINELLIDAE)
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