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Mollusca (132 708)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (24 984)
Class Caudofoveata (143)
Class Cephalopoda (1 827)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 646)
Subclass Amphigastropoda † (387)
Subclass Angiogastropoda represented as Gastropoda
Subclass Apogastropoda
Subclass Caenogastropoda (53 590)
Subterclass Sorbeoconcha (147)
Superorder Hypsogastropoda
Order Architaenioglossa (4 916)
Order Caenogastropoda incertae sedis (7 676)
Order Littorinimorpha (17 166)
Superfamily Calyptraeoidea Lamarck, 1809 (203)
Superfamily Capuloidea J. Fleming, 1822 (218)
Superfamily Cassoidea accepted as Tonnoidea Suter, 1913 (1825)
Superfamily Cingulopsoidea Fretter & Patil, 1958 (193)
Superfamily Crepiduloidea J. Fleming, 1822 accepted as Calyptraeoidea Lamarck, 1809
Superfamily Cypraeoidea Rafinesque, 1815 (1 275)
Superfamily Eulimoidea R. A. Philippi, 1853 accepted as Vanikoroidea Gray, 1840
Superfamily Ficoidea Meek, 1864 (1840) (71)
Superfamily Heteropoda Lamarck, 1812 accepted as Pterotracheoidea Rafinesque, 1814
Superfamily Hipponicoidea Troschel, 1861 (99)
Superfamily Littorinoidea Children, 1834 (1 372)
Family Annulariidae J. B. Henderson & Bartsch, 1920 (716)
Family Bembiciidae H. J. Finlay, 1928 accepted as Lacuninae Gray, 1857
Family Bohaispiridae B.-Y. Huang, 1983 † (35)
Family Cyclostomatidae Menke, 1828 accepted as Pomatiidae R. B. Newton, 1891 (1828)
Family Ericiidae Wenz, 1915 accepted as Pomatiidae R. B. Newton, 1891 (1828)
Family Lacunidae Gray, 1857 accepted as Littorinidae Children, 1834
Family Leviathaniidae Harzhauser & S. Schneider, 2014 † (7)
Family Littorinidae Children, 1834 (305)
Subfamily Cremnoconchinae Preston, 1915 accepted as Lacuninae Gray, 1857
Subfamily Echinininae Rosewater, 1972 accepted as Littorininae Children, 1834
Subfamily Lacuninae Gray, 1857 (63)
Subfamily Laevilitorininae D. Reid, 1989 (27)
Subfamily Littorininae Children, 1834 (211)
Genus Afrolittorina S. T. Williams, D. Reid & Littlewood, 2003 (4)
Genus Algamorda Dall, 1918 accepted as Littorina A. Férussac, 1822
Genus Algaroda Dall, 1918 accepted as Littorina A. Férussac, 1822
Genus Amerolittorina D. Reid, 2009 accepted as Echinolittorina (Amerolittorina) D. Reid, 2009
Genus Austrolittorina Rosewater, 1970 (5)
Genus Bacalia Gray, 1840 accepted as Littorina A. Férussac, 1822
Genus Brevilittorina A. N. Golikov, Dolgolenko, Maximovich & Scarlato, 1990 accepted as Littorina A. Férussac, 1822
Genus Cenchritis E. von Martens, 1900 (1)
Genus Cidaris Röding, 1798 accepted as Tectarius (Tectarius) Valenciennes, 1832
Genus Cricostoma Mörch, 1857 accepted as Littorina A. Férussac, 1822
Genus Echinella Swainson, 1840 accepted as Tectarius (Tectarius) Valenciennes, 1832
Genus Echinellopsis Rovereto, 1899 accepted as Tectarius (Tectarius) Valenciennes, 1832
Genus Echininus Clench & Abbott, 1942 accepted as Tectarius (Echininus) Clench & Abbott, 1942
Genus Echinolittorina T. Habe, 1956 (64)
Genus Ezolittorina Habe, 1958 accepted as Littorina A. Férussac, 1822
Genus Fossarilittorina Rosewater, 1981 accepted as Echinolittorina (Fossarilittorina) Rosewater, 1981
Genus Granulilittorina Habe & Kosuge, 1966 accepted as Echinolittorina (Granulilittorina) Habe & Kosuge, 1966
Genus Litorina [sic] accepted as Littorina A. Férussac, 1822
Genus Littoraria J. E. Gray, 1833 (46)
Genus Littorelaea Leach, 1847 accepted as Littorina A. Férussac, 1822
Genus Littorina A. Férussac, 1822 (34)
Subgenus Littorina (Algamorda) Dall, 1918 accepted as Littorina A. Férussac, 1822
Subgenus Littorina (Algaroda) Dall, 1918 accepted as Littorina A. Férussac, 1822
Subgenus Littorina (Austrolittorina) Rosewater, 1970 accepted as Austrolittorina Rosewater, 1970
Subgenus Littorina (Cenchritis) E. von Martens, 1900 accepted as Cenchritis E. von Martens, 1900
Subgenus Littorina (Ezolittorina) Habe, 1958 accepted as Littorina A. Férussac, 1822
Subgenus Littorina (Fossarilittorina) Rosewater, 1981 accepted as Echinolittorina (Fossarilittorina) Rosewater, 1981
Subgenus Littorina (Fossarus) R. A. Philippi, 1841 accepted as Fossarus R. A. Philippi, 1841
Subgenus Littorina (Laevilitorina) Pfeffer, 1886 accepted as Laevilitorina Pfeffer, 1886
Subgenus Littorina (Littoraria) Gray, 1833 accepted as Littoraria J. E. Gray, 1833
Subgenus Littorina (Littorina) A. Férussac, 1822 represented as Littorina A. Férussac, 1822
Subgenus Littorina (Littorinopsis) Mörch, 1876 accepted as Littoraria (Littorinopsis) Mörch, 1876
Subgenus Littorina (Littorivaga) Dall, 1918 accepted as Littorina (Neritrema) Récluz, 1869
Subgenus Littorina (Melaraphe) Menke, 1828 accepted as Melarhaphe Menke, 1828
Subgenus Littorina (Melarhaphe) Menke, 1828 accepted as Melarhaphe Menke, 1828
Subgenus Littorina (Neritrema) Récluz, 1869 represented as Littorina A. Férussac, 1822
Subgenus Littorina (Nodilittorina) E. von Martens, 1897 accepted as Nodilittorina E. von Martens, 1897
Subgenus Littorina (Planilittorina) D. Reid, 1989 represented as Littorina A. Férussac, 1822
Subgenus Littorina (Prosthenodon) Cossmann, 1888 † accepted as Prosthenodon Cossmann, 1888 †
Subgenus Littorina (Tectarius) Valenciennes, 1832 accepted as Tectarius Valenciennes, 1832
Subgenus Littorina (Touzinia) Cossmann, 1916 † accepted as Littorinopsis Mörch, 1876
Species Littorina aberrans R. A. Philippi, 1846 accepted as Littoraria aberrans (R. A. Philippi, 1846)
Species Littorina acuminata A. Gould, 1849 accepted as Littorina undulata J. E. Gray, 1839
Species Littorina acutispira E. A. Smith, 1892 accepted as Afrolittorina acutispira (E. A. Smith, 1892)
Species Littorina adonis Yokoyama, 1927 accepted as Littoraria sinensis (R. A. Philippi, 1847)
Species Littorina aestuarii Jeffreys, 1865 accepted as Littorina obtusata (Linnaeus, 1758)
Species Littorina affinis A. d'Orbigny, 1840 accepted as Tectarius striatus (P. P. King, 1832)
Species Littorina africana R. A. Philippi, 1847 accepted as Afrolittorina africana (R. A. Philippi, 1847)
Species Littorina aktschagylica A. A. Ali-Zade & Kabakova, 1969 †
Species Littorina alberti Dujardin, 1837 †
Species Littorina albicans Metcalfe, 1852 accepted as Littoraria albicans (Metcalfe, 1852)
Species Littorina albicarinata J. H. McLean, 1970 accepted as Echinolittorina albicarinata (J. H. McLean, 1970)
Species Littorina aleutica Dall, 1872
Species Littorina angiostoma C. B. Adams, 1852 accepted as Fossarus angiostoma (C. B. Adams, 1852)
Species Littorina angulifera (Lamarck, 1822) accepted as Littoraria angulifera (Lamarck, 1822)
Species Littorina angustior Mörch, 1876 accepted as Echinolittorina angustior (Mörch, 1876)
Species Littorina araucana A. d'Orbigny, 1841 accepted as Austrolittorina araucana (A. d'Orbigny, 1841)
Species Littorina arboricola Reeve, 1857 accepted as Littoraria pallescens (R. A. Philippi, 1846)
Species Littorina arcana Hannaford-Ellis, 1978
Species Littorina arctica Møller, 1842 accepted as Littorina obtusata (Linnaeus, 1758)
Species Littorina arenica J. C. Jay, 1839 accepted as Tectarius striatus (P. P. King, 1832)
Species Littorina ariesensis Fontannes, 1880 † accepted as Echinolittorina ariesensis (Fontannes, 1880) †
Species Littorina armorica Vasseur, 1882 † accepted as Littoraria armorica (Vasseur, 1882) †
Species Littorina armoricana Locard, 1886 accepted as Littorina littorea (Linnaeus, 1758)
Species Littorina aspera R. A. Philippi, 1846 accepted as Echinolittorina aspera (R. A. Philippi, 1846)
Species Littorina atkana Dall, 1886 accepted as Littorina sitkana R. A. Philippi, 1846
Species Littorina atrata C. B. Adams, 1852 accepted as Echinolittorina atrata (C. B. Adams, 1852)
Species Littorina atyphus Stearns, 1892 accepted as Echinolittorina lemniscata (R. A. Philippi, 1846)
Species Littorina aurea Bonnet, 1864
Species Littorina australis J. E. Gray, 1826 accepted as Echinolittorina australis (J. E. Gray, 1826)
Species Littorina australis Gray, 1839 accepted as Bembicium nanum (Lamarck, 1822)
Species Littorina balteata Reeve, 1857 accepted as Littorina brevicula (R. A. Philippi, 1844)
Species Littorina bartonensis T. Brown, 1843 accepted as Littorina littorea (Linnaeus, 1758)
Species Littorina basterotii Payraudeau, 1826 accepted as Melarhaphe neritoides (Linnaeus, 1758)
Species Littorina beanii MacGillivray, 1843 accepted as Littorina fabalis (W. Turton, 1825)
Species Littorina beccarii Tapparone Canefri, 1875 accepted as Fossarus beccarii (Tapparone Canefri, 1875)
Species Littorina bernayi Cossmann, 1888 † accepted as Melarhaphe bernayi (Cossmann, 1888) †
Species Littorina berryi Wade, 1926 † accepted as Lemniscolittorina berryi (Wade, 1926) †
Species Littorina bezanconi Cossmann, 1886 † accepted as Cavilabium bezanconi (Cossmann, 1886) †
Species Littorina biangulata E. von Martens, 1897 accepted as Echinolittorina biangulata (E. von Martens, 1897)
Species Littorina biornata Tate, 1870 † accepted as Buvignieria biornata (Tate, 1870) †
Species Littorina bizonalis Récluz, 1869 accepted as Littorina fabalis (W. Turton, 1825)
Species Littorina borbonica Barnard, 1951 accepted as Littoraria subvittata D. Reid, 1986
Species Littorina brevicula (R. A. Philippi, 1844)
Species Littorina caliginosa A. Gould, 1849 accepted as Laevilitorina caliginosa (A. Gould, 1849)
Species Littorina caloosahatcheensis Petuch, 1991 †
Species Littorina canariensis A. d'Orbigny, 1840 accepted as Tectarius striatus (P. P. King, 1832)
Species Littorina carinata A. d'Orbigny, 1841 accepted as Echinolittorina angustior (Mörch, 1876)
Species Littorina carinifera (Menke, 1830) accepted as Littoraria carinifera (Menke, 1830)
Species Littorina castanea A. Adams & Reeve, 1850 accepted as Littorina sitkana R. A. Philippi, 1846
Species Littorina castanea Deshayes, 1843 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina cincta A. Gould, 1847 accepted as Littorina sitkana R. A. Philippi, 1846
Species Littorina cincta Quoy & Gaimard, 1833 accepted as Austrolittorina cincta (Quoy & Gaimard, 1833)
Species Littorina cinerea Pease, 1869 accepted as Echinolittorina cinerea (Pease, 1869)
Species Littorina cingulata R. A. Philippi, 1846 accepted as Littoraria cingulata (R. A. Philippi, 1846)
Species Littorina coccinea (Gmelin, 1791) accepted as Littoraria coccinea (Gmelin, 1791)
Species Littorina columellaris A. d'Orbigny, 1841 accepted as Littoraria flava (P. P. King, 1832)
Species Littorina columna R. A. Philippi, 1847
Species Littorina communis T. Brown, 1843 accepted as Littorina littorea (Linnaeus, 1758)
Species Littorina compressa Jeffreys, 1865
Species Littorina concinna Roemer, 1836 † accepted as Lissochilus concinnus (Roemer, 1836) †
Species Littorina conica R. A. Philippi, 1846 accepted as Littoraria conica (R. A. Philippi, 1846)
Species Littorina coriacea Melvill & Standen, 1907 accepted as Laevilitorina coriacea (Melvill & Standen, 1907)
Species Littorina couzonensis Riche, 1904 †
Species Littorina cyclostomoides Deshayes, 1861 † accepted as Tuba cyclostomoides (Deshayes, 1861) †
Species Littorina danieli Locard, 1886 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina debilis R. A. Philippi, 1846 accepted as Echinolittorina ziczac (Gmelin, 1791)
Species Littorina decollata R. A. Philippi, 1847 accepted as Afrolittorina africana (R. A. Philippi, 1847)
Species Littorina decussata Leymerie, 1842 † accepted as Homalopoma decussata (Leymerie, 1842) †
Species Littorina densestriata Deshayes, 1861 † accepted as Littoraria densestriata (Deshayes, 1861) †
Species Littorina deshayesi Cossmann, 1888 † accepted as Melarhaphe deshayesi (Cossmann, 1888) †
Species Littorina diemenensis Quoy & Gaimard, 1833 accepted as Austrolittorina unifasciata (J. E. Gray, 1826)
Species Littorina dilatata A. d'Orbigny, 1841 accepted as Echinolittorina dilatata (A. d'Orbigny, 1841)
Species Littorina dispar (Montagu, 1816) accepted as Melarhaphe neritoides (Linnaeus, 1758)
Species Littorina dubiosa C. B. Adams, 1852 accepted as Echinolittorina dubiosa (C. B. Adams, 1852)
Species Littorina dudariensis Strausz, 1966 †
Species Littorina elegans Leymerie, 1842 † accepted as Agathodonta dentigera (A. d'Orbigny, 1842) †
Species Littorina erronea G. Nevill, 1885 accepted as Echinolittorina novaezelandiae (Reeve, 1857)
Species Littorina etolonensis Sinelnikova, 1990 † accepted as Littorina squalida Broderip & G. B. Sowerby I, 1829
Species Littorina eudeli G. B. Sowerby III, 1915 accepted as Echinolittorina melanacme (E. A. Smith, 1876)
Species Littorina excavata C. B. Adams, 1852 accepted as Echinolittorina atrata (C. B. Adams, 1852)
Species Littorina ezanvillensis Gougerot & Le Renard, 1978 † accepted as Melarhaphe ezanvillensis (Gougerot & Le Renard, 1978) †
Species Littorina fabalis (W. Turton, 1825)
Species Littorina fabula Kobelt, 1907 accepted as Littorina fabalis (W. Turton, 1825)
Species Littorina fasciata Gray, 1839 accepted as Littoraria zebra (Donovan, 1825)
Species Littorina feejeensis Reeve, 1857 accepted as Echinolittorina feejeensis (Reeve, 1857)
Species Littorina filosa G. B. Sowerby I, 1832 accepted as Littoraria filosa (G. B. Sowerby I, 1832)
Species Littorina flammea R. A. Philippi, 1847 accepted as Littoraria flammea (R. A. Philippi, 1847)
Species Littorina flava P. P. King, 1832 accepted as Littoraria flava (P. P. King, 1832)
Species Littorina floccosa Mörch, 1876 accepted as Echinolittorina interrupta (R. A. Philippi, 1847)
Species Littorina fortunei Reeve, 1857 accepted as Littoraria flammea (R. A. Philippi, 1847)
Species Littorina foveata C. B. Adams, 1852 accepted as Echinolittorina atrata (C. B. Adams, 1852)
Species Littorina fragilis Fenaux, 1943 accepted as Diala fragilis (Fenaux, 1943)
Species Littorina fraseri Reeve, 1857 accepted as Littoraria intermedia (R. A. Philippi, 1846)
Species Littorina fusca L. Pfeiffer, 1840 accepted as Echinolittorina mespillum (Megerle von Mühlfeld, 1824)
Species Littorina fusciventris O. Boettger, 1891 accepted as Littoraria flava (P. P. King, 1832)
Species Littorina galapagiensis Stearns, 1892 accepted as Echinolittorina lemniscata (R. A. Philippi, 1846)
Species Littorina gibbosa Etheridge & Bell, 1893 † accepted as Melarhaphe gibbosa (Etheridge & Bell, 1893) †
Species Littorina glabrata R. A. Philippi, 1846 accepted as Littoraria coccinea glabrata (R. A. Philippi, 1846)
Species Littorina glans Reeve, 1857 accepted as Echinolittorina granosa (R. A. Philippi, 1845)
Species Littorina glaucocincta Mörch, 1876 accepted as Echinolittorina jamaicensis (C. B. Adams, 1850)
Species Littorina grandis Middendorff, 1848 accepted as Littorina squalida Broderip & G. B. Sowerby I, 1829
Species Littorina granicostata E. A. Smith, 1887 accepted as Echinolittorina reticulata (Anton, 1838)
Species Littorina granocostata Reeve, 1857 accepted as Echinolittorina reticulata (Anton, 1838)
Species Littorina granularis Gray, 1839 accepted as Echinolittorina miliaris (Quoy & Gaimard, 1833)
Species Littorina grateloupi Deshayes, 1843 † accepted as Littorinopsis grateloupi (Deshayes, 1843) †
Species Littorina groenlandica Menke, 1830 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina guillaumei Cossmann, 1907 † accepted as Littoraria guillaumei (Cossmann, 1907) †
Species Littorina gundlachi R. A. Philippi, 1849 accepted as Echinolittorina mespillum (Megerle von Mühlfeld, 1824)
Species Littorina guttata R. A. Philippi, 1847 accepted as Echinolittorina meleagris (Potiez & Michaud, 1838)
Species Littorina helenae E. A. Smith, 1890 accepted as Echinolittorina helenae (E. A. Smith, 1890)
Species Littorina hermitei Munier-Chalmas, 1876 †
Species Littorina heterospiralis Grabau & S. G. King, 1928 accepted as Littorina brevicula (R. A. Philippi, 1844)
Species Littorina hidalgoi Arango, 1880 accepted as Echinolittorina meleagris (Potiez & Michaud, 1838)
Species Littorina hisseyiana Tenison Woods, 1876 accepted as Gibbula hisseyiana (Tenison Woods, 1876)
Species Littorina horikawai Matsubayashi & Habe, 1979
Species Littorina imbricata Gray, 1839 accepted as Bembicium auratum (Quoy & Gaimard, 1834)
Species Littorina incisa Yokoyama, 1927 †
Species Littorina incompleta Deshayes, 1861 †
Species Littorina indistincta W. H. Turton, 1932 accepted as Afrolittorina knysnaensis (R. A. Philippi, 1847)
Species Littorina infans E. A. Smith, 1892 accepted as Afrolittorina acutispira (E. A. Smith, 1892)
Species Littorina insularis E. A. Smith, 1889 accepted as Echinolittorina reticulata (Anton, 1838)
Species Littorina insularum Locard, 1891 accepted as Melarhaphe neritoides (Linnaeus, 1758)
Species Littorina intermedia R. A. Philippi, 1846 accepted as Littoraria intermedia (R. A. Philippi, 1846)
Species Littorina interrupta R. A. Philippi, 1847 accepted as Echinolittorina interrupta (R. A. Philippi, 1847)
Species Littorina irrorata (Say, 1822) accepted as Littoraria irrorata (Say, 1822)
Species Littorina islandica D. Reid, 1996 †
Species Littorina itelmenica Sinelnikova, 1990 accepted as Littorina brevicula (R. A. Philippi, 1844)
Species Littorina iwakiana Nomura & Hatai, 1936 †
Species Littorina jamaicensis C. B. Adams, 1850 accepted as Echinolittorina jamaicensis (C. B. Adams, 1850)
Species Littorina kasatka D. Reid, Zaslavskaya & Sergievsky, 1991
Species Littorina keenae Rosewater, 1978
Species Littorina knysnaensis R. A. Philippi, 1847 accepted as Afrolittorina knysnaensis (R. A. Philippi, 1847)
Species Littorina kowiensis W. H. Turton, 1932 accepted as Afrolittorina knysnaensis (R. A. Philippi, 1847)
Species Littorina kraussi Rosewater, 1970 accepted as Littoraria coccinea glabrata (R. A. Philippi, 1846)
Species Littorina kurila Middendorff, 1848 accepted as Littorina sitkana R. A. Philippi, 1846
Species Littorina laevis R. A. Philippi, 1846
Species Littorina lamellosa Montrouzier, 1861 accepted as Fossarus lamellosus (Montrouzier, 1861)
Species Littorina lemniscata R. A. Philippi, 1846 accepted as Echinolittorina lemniscata (R. A. Philippi, 1846)
Species Littorina lepida A. Gould, 1849 accepted as Littorina scutulata A. Gould, 1849
Species Littorina levata Deshayes, 1861 † accepted as Melarhaphe levata (Deshayes, 1861) †
Species Littorina lineolata A. d'Orbigny, 1841 accepted as Echinolittorina lineolata (A. d'Orbigny, 1841)
Species Littorina litorea [sic] accepted as Littorina littorea (Linnaeus, 1758)
Species Littorina littoralis (Linnaeus, 1758) accepted as Littorina obtusata littoralis (Linnaeus, 1758)
Species Littorina littorea (Linnaeus, 1758)
Species Littorina luctuosa Reeve, 1857 accepted as Austrolittorina cincta (Quoy & Gaimard, 1833)
Species Littorina luteola Quoy & Gaimard, 1833 accepted as Littoraria luteola (Quoy & Gaimard, 1833)
Species Littorina mandshurica (Schrenck, 1861)
Species Littorina mariae Sacchi & Rastelli, 1966 accepted as Littorina fabalis (W. Turton, 1825)
Species Littorina mariana Arnold, 1909 † accepted as Littorina petricola Arnold, 1908 †
Species Littorina marnat Potiez & Michaud, 1838 accepted as Echinolittorina punctata (Gmelin, 1791)
Species Littorina mauritiana (Lamarck, 1822) accepted as Littoraria mauritiana (Lamarck, 1822)
Species Littorina mausseneti Cossmann, 1907 † accepted as Melarhaphe mausseneti (Cossmann, 1907) †
Species Littorina megasoma C. B. Adams, 1852 accepted as Fossarus megasoma (C. B. Adams, 1852)
Species Littorina melanacme E. A. Smith, 1876 accepted as Echinolittorina melanacme (E. A. Smith, 1876)
Species Littorina melanoides (Deshayes, 1832) †
Species Littorina melanostoma Gray, 1839 accepted as Littoraria melanostoma (Gray, 1839)
Species Littorina meleagris (Potiez & Michaud, 1838) accepted as Echinolittorina meleagris (Potiez & Michaud, 1838)
Species Littorina mespillum (Megerle von Mühlfeld, 1824) accepted as Echinolittorina mespillum (Megerle von Mühlfeld, 1824)
Species Littorina miliaris Quoy & Gaimard, 1833 accepted as Echinolittorina miliaris (Quoy & Gaimard, 1833)
Species Littorina minima (W. Wood, 1828) accepted as Echinolittorina mespillum (Megerle von Mühlfeld, 1824)
Species Littorina mitis Deshayes, 1861 †
Species Littorina modesta R. A. Philippi, 1846 accepted as Echinolittorina modesta (R. A. Philippi, 1846)
Species Littorina monilifera Souleyet, 1852 accepted as Echinolittorina malaccana (R. A. Philippi, 1847)
Species Littorina monilis (Stilwell & Zinsmeister, 1992) †
Species Littorina monodonta Deshayes, 1861 † accepted as Prosthenodon monodonta (Deshayes, 1861) †
Species Littorina munieri Bayan, 1873 †
Species Littorina muricata (Linnaeus, 1758) accepted as Tectarius muricatus (Linnaeus, 1758)
Species Littorina natalensis R. A. Philippi, 1847 accepted as Echinolittorina natalensis (R. A. Philippi, 1847)
Species Littorina natica D. Reid, 1996
Species Littorina naticoides D. Reid & A. N. Golikov, 1991 accepted as Littorina natica D. Reid, 1996
Species Littorina naticoides A. d'Orbigny, 1841 accepted as Echinolittorina mespillum (Megerle von Mühlfeld, 1824)
Species Littorina nebulosa (Lamarck, 1822) accepted as Littoraria nebulosa (Lamarck, 1822)
Species Littorina neglecta W. Bean, 1844 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina neritoides (Linnaeus, 1758) accepted as Melarhaphe neritoides (Linnaeus, 1758)
Species Littorina nervillei Dautzenberg, 1893 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina newcombi Reeve, 1857 accepted as Littoraria intermedia (R. A. Philippi, 1846)
Species Littorina nigrolineata R. A. Philippi, 1846 accepted as Littorina compressa Jeffreys, 1865
Species Littorina nigrolineata Gray, 1839 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina nodosa Gray, 1839 accepted as Echinolittorina australis (J. E. Gray, 1826)
Species Littorina nodulifera Kadolsky, 1973 † accepted as Melarhaphe nodulifera (Kadolsky, 1973) †
Species Littorina nodulosa (Gmelin, 1791) accepted as Nodilittorina pyramidalis (Quoy & Gaimard, 1833)
Species Littorina novaehiberniae R. P. Lesson, 1831 accepted as Littoraria scabra (Linnaeus, 1758)
Species Littorina novaezelandiae Reeve, 1857 accepted as Echinolittorina novaezelandiae (Reeve, 1857)
Species Littorina obesa G. B. Sowerby I, 1832 accepted as Littoraria coccinea (Gmelin, 1791)
Species Littorina obsoleta O. Boettger, 1907 †
Species Littorina obtusata (Linnaeus, 1758)
Species Littorina oligocenica Dickerson, 1917 †
Species Littorina pallescens R. A. Philippi, 1846 accepted as Littoraria pallescens (R. A. Philippi, 1846)
Species Littorina palliata (Say, 1822) accepted as Littorina obtusata (Linnaeus, 1758)
Species Littorina paludinella Reeve, 1857 accepted as Beddomeia paludinella (Reeve, 1857)
Species Littorina parva Teilman-Friis, 1898 accepted as Littorina littorea (Linnaeus, 1758)
Species Littorina patula A. Gould, 1849 accepted as Littorina keenae Rosewater, 1978
Species Littorina patula Thorpe, 1844 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina peconica S. Smith, 1860 accepted as Littorina obtusata (Linnaeus, 1758)
Species Littorina penicillata P. P. Carpenter, 1864 accepted as Echinolittorina penicillata (P. P. Carpenter, 1864)
Species Littorina penitaria G. Nevill, 1885 accepted as Austrolittorina fernandezensis (Rosewater, 1970)
Species Littorina perdix P. P. King, 1832 accepted as Littoraria varia (G. B. Sowerby I, 1832)
Species Littorina perplexa W. H. Turton, 1932 accepted as Afrolittorina africana (R. A. Philippi, 1847)
Species Littorina peruviana (Lamarck, 1822) accepted as Echinolittorina peruviana (Lamarck, 1822)
Species Littorina petraea (Montagu, 1803) accepted as Melarhaphe neritoides (Linnaeus, 1758)
Species Littorina petricola Arnold, 1908 †
Species Littorina petricola Dall, 1909 † accepted as Littorina petricola Arnold, 1908 †
Species Littorina philippiana Reeve, 1857 accepted as Littoraria philippiana (Reeve, 1857)
Species Littorina philippii P. P. Carpenter, 1857 accepted as Echinolittorina apicina (Menke, 1851)
Species Littorina picea Reeve, 1857 accepted as Afrolittorina knysnaensis (R. A. Philippi, 1847)
Species Littorina picta R. A. Philippi, 1846 accepted as Echinolittorina hawaiiensis (Rosewater & Kadolsky, 1981)
Species Littorina pintado (W. Wood, 1828) accepted as Littoraria pintado (W. Wood, 1828)
Species Littorina pittsburgensis B. L. Clark, 1915 accepted as Littorina remondii Gabb, 1866 †
Species Littorina planaxis G. B. Sowerby I, 1844 † accepted as Tectarius striatus (P. P. King, 1832)
Species Littorina planaxis J. C. Jay, 1839 accepted as Littorina keenae Rosewater, 1978
Species Littorina planaxis R. A. Philippi, 1847 accepted as Littorina keenae Rosewater, 1978
Species Littorina plena A. Gould, 1849
Species Littorina pomeroli Gougerot & Braillon, 1968 † accepted as Melarhaphe pomeroli (Gougerot & Braillon, 1968) †
Species Littorina porcata R. A. Philippi, 1846 accepted as Echinolittorina porcata (R. A. Philippi, 1846)
Species Littorina praepontica Andrusov, 1890 †
Species Littorina praesqualida Sinelnikova, 1990 † accepted as Littorina squalida Broderip & G. B. Sowerby I, 1829
Species Littorina preconica S. Smith, 1860 accepted as Littorina obtusata (Linnaeus, 1758)
Species Littorina pulchra G. B. Sowerby I, 1832 accepted as Littoraria zebra (Donovan, 1825)
Species Littorina pullata P. P. Carpenter, 1864 accepted as Littoraria pintado pullata (P. P. Carpenter, 1864)
Species Littorina punctata (Gmelin, 1791) accepted as Echinolittorina punctata (Gmelin, 1791)
Species Littorina puncticulata R. A. Philippi, 1847 accepted as Echinolittorina conspersa (R. A. Philippi, 1847)
Species Littorina pusilla McCoy, 1844 †
Species Littorina pyramidalis Quoy & Gaimard, 1833 accepted as Nodilittorina pyramidalis (Quoy & Gaimard, 1833)
Species Littorina radiata Souleyet, 1852 accepted as Echinolittorina radiata (Souleyet, 1852)
Species Littorina remondii Gabb, 1866 †
Species Littorina rietensis W. H. Turton, 1932 accepted as Afrolittorina knysnaensis (R. A. Philippi, 1847)
Species Littorina riisei Mörch, 1876 accepted as Echinolittorina jamaicensis (C. B. Adams, 1850)
Species Littorina rissoides Deshayes, 1861 † accepted as Littoraria rissoides (Deshayes, 1861) †
Species Littorina rubropicta E. von Martens, 1887 accepted as Littoraria carinifera (Menke, 1830)
Species Littorina rudis (Maton, 1797) accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina saxatile [sic] accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina saxatilis (Olivi, 1792)
Species Littorina saxatilis G. Johnston, 1842 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina saxoides Nardo, 1847 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina sayi R. A. Philippi, 1846 accepted as Littoraria irrorata (Say, 1822)
Species Littorina scabra (Linnaeus, 1758) accepted as Littoraria scabra (Linnaeus, 1758)
Species Littorina schmitti Bartsch & Rehder, 1939 accepted as Littoraria pintado pullata (P. P. Carpenter, 1864)
Species Littorina scutulata A. Gould, 1849
Species Littorina seminole Petuch, 1991 †
Species Littorina serialis Souleyet, 1852
Species Littorina setosa E. A. Smith, 1875 accepted as Pellilitorina setosa (E. A. Smith, 1875)
Species Littorina sieboldii R. A. Philippi, 1846 accepted as Littoraria pallescens (R. A. Philippi, 1846)
Species Littorina simplex Reeve, 1857 accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina sitchana [sic] accepted as Littorina sitkana R. A. Philippi, 1846
Species Littorina sitchensis G. Nevill, 1885 accepted as Littorina sitkana R. A. Philippi, 1846
Species Littorina sitkana R. A. Philippi, 1846
Species Littorina sookensis B. L. Clark & Arnold, 1923 †
Species Littorina souverbiana Crosse, 1862 accepted as Littorina brevicula (R. A. Philippi, 1844)
Species Littorina sphaeroidalis Locard, 1886 accepted as Littorina littorea (Linnaeus, 1758)
Species Littorina squalida Broderip & G. B. Sowerby I, 1829
Species Littorina striata P. P. King, 1832 accepted as Tectarius striatus (P. P. King, 1832)
Species Littorina striata Danilo & Sandri, 1856 accepted as Euparthenia bulinea (R. T. Lowe, 1841)
Species Littorina subangulata Deshayes, 1861 † accepted as Littoraria subangulata (Deshayes, 1861) †
Species Littorina subintermedia G. Nevill, 1885 accepted as Littoraria delicatula (G. Nevill, 1885)
Species Littorina submorgani Bohn-Havas, 1973 †
Species Littorina subrotundata (P. P. Carpenter, 1864)
Species Littorina subtenebrosa Middendorff, 1848 accepted as Littorina sitkana R. A. Philippi, 1846
Species Littorina sulculosa R. A. Philippi, 1846 accepted as Littoraria sulculosa (R. A. Philippi, 1846)
Species Littorina sundaica van Regteren Altena, 1945 accepted as Echinolittorina sundaica (van Regteren Altena, 1945)
Species Littorina tenebrosa (Montagu, 1803) accepted as Littorina saxatilis (Olivi, 1792)
Species Littorina tenuis R. A. Philippi, 1846 accepted as Littoraria undulata (J. E. Gray, 1839)
Species Littorina thersites Reeve, 1857 accepted as Austrolittorina araucana (A. d'Orbigny, 1841)
Species Littorina tigrina A. d'Orbigny, 1841 accepted as Littoraria nebulosa (Lamarck, 1822)
Species Littorina tristis Mousson, 1874 accepted as Echinolittorina punctata (Gmelin, 1791)
Species Littorina trochoides Gray, 1839 accepted as Echinolittorina trochoides (Gray, 1839)
Species Littorina umbilicata A. d'Orbigny, 1841 accepted as Tricolia umbilicata (A. d'Orbigny, 1841)
Species Littorina undifera McCoy, 1851 †
Species Littorina undulata J. E. Gray, 1839 accepted as Littoraria undulata (J. E. Gray, 1839)
Species Littorina undulata A. d'Orbigny, 1841 accepted as Littoraria tessellata (R. A. Philippi, 1847)
Species Littorina unifasciata J. E. Gray, 1826 accepted as Austrolittorina unifasciata (J. E. Gray, 1826)
Species Littorina urieli H. E. J. Biggs, 1966 accepted as Echinolittorina millegrana (R. A. Philippi, 1848)
Species Littorina vadorum Sacchi, 1984 accepted as Littorina fabalis (W. Turton, 1825)
Species Littorina varia G. B. Sowerby I, 1832 accepted as Littoraria varia (G. B. Sowerby I, 1832)
Species Littorina variculosa Deshayes, 1861 †
Species Littorina variegata Souleyet, 1852 accepted as Littoraria variegata (Souleyet, 1852)
Species Littorina vidua A. Gould, 1859 accepted as Echinolittorina vidua (A. Gould, 1859)
Species Littorina vincta (Montagu, 1803) accepted as Lacuna vincta (Montagu, 1803)
Species Littorina vitiensis "Godeffroy, 1874"
Species Littorina vulgaris J. Sowerby, 1832 accepted as Littorina littorea (Linnaeus, 1758)
Species Littorina zebra (W. Wood, 1828) accepted as Echinolittorina peruviana (Lamarck, 1822)
Species Littorina zebra (Donovan, 1825) accepted as Littoraria zebra (Donovan, 1825)
Species Littorina ziczac (Gmelin, 1791) accepted as Echinolittorina ziczac (Gmelin, 1791)
Species Littorina zonaria W. Bean, 1844 accepted as Littorina saxatilis (Olivi, 1792)
Genus Littorina-capsula accepted as Peasiella G. Nevill, 1885
Genus Littorinopsis Mörch, 1876 accepted as Littoraria (Littorinopsis) Mörch, 1876 (1)
Genus Littorivaga Dall, 1918 accepted as Littorina A. Férussac, 1822
Genus Mainwaringia G. Nevill, 1885 (3)
Genus Melaraphe Menke, 1828 accepted as Melarhaphe Menke, 1828 (1)
Genus Melarhaphe Menke, 1828 (16)
Genus Neritrema Récluz, 1869 accepted as Littorina A. Férussac, 1822
Genus Nina Gray, 1850 accepted as Tectarius (Echininus) Clench & Abbott, 1942
Genus Nodilittorina E. von Martens, 1897 (3)
Genus Pagodus Gray, 1839 accepted as Tectarius (Tectarius) Valenciennes, 1832
Genus Peasiella G. Nevill, 1885 (16)
Genus Prosthenodon Cossmann, 1888 † (2)
Genus Risella Gray, 1842 accepted as Bembicium R. A. Philippi, 1846
Genus Rufolacuna Ponder, 1976 accepted as Laevilitorina (Rufolacuna) Ponder, 1976
Genus Tectaria accepted as Tectarius Valenciennes, 1832
Genus Tectarium P. Fischer, 1885 accepted as Tectarius Valenciennes, 1832
Genus Tectarius Valenciennes, 1832 (15)
Genus Tectininus Clench & Abbott, 1942 accepted as Tectarius Valenciennes, 1832
Genus Turbinarius Duméril, 1805 accepted as Littorina A. Férussac, 1822
Subfamily Tectariinae Rosewater, 1972 accepted as Littorininae Children, 1834
Genus Mirolacuna Wenz, 1939 † (2)
Genus Poroa Marwick, 1953 † (1)
Genus Procancellaria Wilckens, 1922 † (1)
Genus Streblorhamphus Tate & Cossmann, 1897 † accepted as Mirolacuna Wenz, 1939 †
Genus Tamanella [sic] accepted as Temanella Rovereto, 1899
Family Melarhaphidae Starobogatov & Sitnikova, 1983 accepted as Littorininae Children, 1834
Family Pomatiidae R. B. Newton, 1891 (1828) (281)
Family Purpuroideidae Guzhov, 2004 † (7)
Family Risellidae Kesteven, 1903 accepted as Lacuninae Gray, 1857
Family Skeneopsidae Iredale, 1915 (4)
Family Tripartellidae Gründel, 2001 †
Family Zerotulidae Warén & Hain, 1996 (17)
Superfamily Naticoidea Guilding, 1834 (688)
Superfamily Pterotracheoidea Rafinesque, 1814 (63)
Superfamily Rissoacea accepted as Rissooidea Gray, 1847
Superfamily Rissoinoidea W. Stimpson, 1865 accepted as Rissooidea Gray, 1847
Superfamily Rissooidea Gray, 1847 (2 309)
Superfamily Stromboidea Rafinesque, 1815 (835)
Superfamily Tonnoidea Suter, 1913 (1825) (788)
Superfamily Truncatelloidea J. E. Gray, 1840 (6 901)
Superfamily Vanikoroidea Gray, 1840 (1 331)
Superfamily Velutinoidea Gray, 1840 (648)
Superfamily Vermetoidea Rafinesque, 1815 (172)
Superfamily Xenophoroidea Troschel, 1852 (1840) accepted as Stromboidea Rafinesque, 1815
Order Neogastropoda (23 685)
Order Stenoglossa accepted as Neogastropoda
Subclass Gastropoda incertae sedis (308)
Subclass Heterobranchia (39 154)
Subclass Neomphaliones accepted as Vetigastropoda
Subclass Neritimorpha (1 914)
Subclass Orthogastropoda represented as Gastropoda
Subclass Patellogastropoda (511)
Subclass Prosobranchia
Subclass Psilogastropoda represented as Gastropoda
Subclass Vetigastropoda (6 782)
Class Lamellibranchiata accepted as Bivalvia
Class Loricata accepted as Polyplacophora
Class Mollusca incertae sedis † (372)
Class Monoplacophora (229)
Class Pelecypoda accepted as Bivalvia
Class Polyplacophora (1 377)
Class Polyplaxiphora accepted as Polyplacophora
Class Rostroconchia † (64)
Class Scaphopoda (752)
Class Solenoconchia accepted as Scaphopoda
Class Solenogastres (313)
Subclass Chaetodermomorpha accepted as Caudofoveata