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- Mollusca (132 791)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 009)
- Class Caudofoveata (143)
- Class Cephalopoda (1 834)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 697)
- Subclass Amphigastropoda † (390)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 636)
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 156)
- Infraclass "Lower Heterobranchia" (1 137)
- Infraclass Euthyneura (37 433)
- Subterclass Acteonimorpha (411)
- Subterclass Ringipleura (2 917)
- Subterclass Tectipleura (34 105)
- Superorder Acochlidiimorpha (48)
- Superorder Ascoglossa accepted as Sacoglossa
- Superorder Basommatophora accepted as Hygrophila
- Superorder Eupulmonata (25 569)
- Superorder Hygrophila (2 005)
- Superfamily Acroloxoidea Thiele, 1931 accepted as Lymnaeoidea Rafinesque, 1815
- Superfamily Chilinoidea Dall, 1870 (61)
- Superfamily Lymnaeoidea Rafinesque, 1815 (1 944)
- Family Acroloxidae Thiele, 1931 (58)
- Family Ancylidae Rafinesque, 1815 accepted as Ancylinae Rafinesque, 1815
- Family Bulinidae P. Fischer & Crosse, 1880 (72)
- Family Burnupiidae Albrecht, 2017 (22)
- Family Clivunellidae Kochansky-Devidé & Slišković, 1972 † (4)
- Family Laevapicidae Hannibal, 1914 accepted as Planorbidae Rafinesque, 1815
- Family Lancidae Hannibal, 1914 accepted as Lancini Hannibal, 1914
- Family Limnophysidae W. Dybowski, 1903 accepted as Lymnaeidae Rafinesque, 1815
- Family Lymnaeidae Rafinesque, 1815 (536)
- Family Physidae Fitzinger, 1833 (210)
- Family Planorbidae Rafinesque, 1815 (1 042)
- Subfamily Ancylinae Rafinesque, 1815 (141)
- Subfamily Miratestinae P. Sarasin & F. Sarasin, 1897 (58)
- Subfamily Planorbidae incertae sedis (57)
- Subfamily Planorbinae Rafinesque, 1815 (785)
- Tribe Camptoceratini Dall, 1870 (8)
- Tribe Coretini J. E. Gray, 1847 (48)
- Tribe Drepanotrematini Zilch, 1959 (12)
- Tribe Helisomatini F. C. Baker, 1928 (188)
- Tribe Neoplanorbini Hannibal, 1912 (7)
- Tribe Planorbini Rafinesque, 1815 (445)
- Genus Africanogyrus Özdikmen & Darılmaz, 2007 accepted as Hovorbis D. S. Brown & Mandahl-Barth, 1973
- Genus Afrogyrorbis Starobogatov, 1967 (13)
- Genus Afrogyrus D. S. Brown & Mandahl-Barth, 1973 accepted as Hovorbis D. S. Brown & Mandahl-Barth, 1973
- Genus Anisus S. Studer, 1820 (48)
- Genus Armiger Hartmann, 1843 (15)
- Genus Bathyomphalus Charpentier, 1837 (7)
- Genus Caillaudia Bourguignat, 1883 accepted as Gyraulus (Caillaudia) Bourguignat, 1883
- Genus Ceratophallus D. S. Brown & Mandahl-Barth, 1973 accepted as Afrogyrorbis Starobogatov, 1967
- Genus Choanomphalodes Lindholm, 1927 accepted as Gyraulus (Choanomphalodes) Lindholm, 1927
- Genus Choanomphalus Gerstfeldt, 1859 (28)
- Genus Discoidina Stein, 1850 accepted as Bathyomphalus Charpentier, 1837
- Genus Glyptanisus Iredale, 1943 accepted as Gyraulus (Gyraulus) Charpentier, 1837
- Genus Gyraulus Charpentier, 1837 (269)
- Genus Hovorbis D. S. Brown & Mandahl-Barth, 1973 (4)
- Genus Lamorbis Starobogatov, 1967 accepted as Gyraulus (Lamorbis) Starobogatov, 1967 (3)
- Genus Odontogyrorbis Lörenthey, 1906 † accepted as Anisus S. Studer, 1820
- Genus Omphalocrypta Tomlin, 1929 accepted as Choanomphalus Gerstfeldt, 1859
- Genus Orygoceras Brusina, 1882 † (14)
- Genus Paraspira Dall, 1905 accepted as Anisus S. Studer, 1820
- Genus Plananisus Iredale, 1943 accepted as Gyraulus Charpentier, 1837
- Genus Planaria T. Brown, 1827 accepted as Trochlea Haldeman, 1842
- Genus Planorbis O. F. Müller, 1773 (44)
- Subgenus Planorbis (Adula) H. Adams, 1861 accepted as Planorbis (Ancaeus) H. Adams, 1869
- Subgenus Planorbis (Afroplanorbis) Thiele, 1931 accepted as Biomphalaria Preston, 1910
- Subgenus Planorbis (Ancaeus) H. Adams, 1869 accepted as Hypsogyra Lindholm, 1927
- Subgenus Planorbis (Anisus) S. Studer, 1820 accepted as Anisus S. Studer, 1820
- Subgenus Planorbis (Armiger) W. Hartmann, 1843 accepted as Gyraulus (Armiger) W. Hartmann, 1843
- Subgenus Planorbis (Bathyomphalus) Charpentier, 1837 accepted as Bathyomphalus Charpentier, 1837
- Subgenus Planorbis (Biomphalaria) Preston, 1910 accepted as Biomphalaria Preston, 1910
- Subgenus Planorbis (Carinifex) W. G. Binney, 1864 accepted as Helisoma Swainson, 1840
- Subgenus Planorbis (Coretus) Gray, 1847 accepted as Planorbarius Duméril, 1805
- Subgenus Planorbis (Corneana) Servain, 1888 accepted as Planorbarius Duméril, 1805
- Subgenus Planorbis (Costorbis) Lindholm, 1926 accepted as Anisus (Costorbis) Lindholm, 1926
- Subgenus Planorbis (Crassiplanorbis) Meier-Brook, 1976 represented as Planorbis O. F. Müller, 1773
- Subgenus Planorbis (Dilatata) Clessin, 1884 accepted as Dilatata Clessin, 1884
- Subgenus Planorbis (Diplodiscus) Westerlund, 1897 accepted as Anisus (Disculifer) C. R. Boettger, 1944
- Subgenus Planorbis (Gyraulus) Charpentier, 1837 accepted as Gyraulus Charpentier, 1837
- Subgenus Planorbis (Gyrorbis) Fitzinger, 1833 accepted as Valvata O. F. Müller, 1773
- Subgenus Planorbis (Helicorbis) W. H. Benson, 1855 accepted as Helicorbis W. H. Benson, 1855
- Subgenus Planorbis (Helisoma) Swainson, 1840 accepted as Helisoma Swainson, 1840
- Subgenus Planorbis (Hippeutis) Charpentier, 1837 accepted as Hippeutis Charpentier, 1837
- Subgenus Planorbis (Indoplanorbis) Annandale & Prashad, 1921 accepted as Indoplanorbis Annandale & Prashad, 1921
- Subgenus Planorbis (Jalpuchorbis) Prysjazhnjuk & Kovalenko, 1986 † represented as Planorbis O. F. Müller, 1773
- Subgenus Planorbis (Menetus) H. Adams & A. Adams, 1855 accepted as Menetus H. Adams & A. Adams, 1855
- Subgenus Planorbis (Odontogyrorbis) Lörenthey, 1906 † accepted as Anisus S. Studer, 1820
- Subgenus Planorbis (Omalodiscus) W. H. Benson, 1855
- Subgenus Planorbis (Paraplanorbis) G. D. Hanna, 1922 † accepted as Paraplanorbis G. D. Hanna, 1922 †
- Subgenus Planorbis (Paraspira) Dall, 1905
- Subgenus Planorbis (Pierosoma) Dall, 1905 accepted as Planorbella (Pierosoma) Dall, 1905
- Subgenus Planorbis (Planorbella) Haldeman, 1843 accepted as Planorbella Haldeman, 1843
- Subgenus Planorbis (Planorbina) Haldeman, 1842 accepted as Biomphalaria Preston, 1910
- Subgenus Planorbis (Planorbis) O. F. Müller, 1773 accepted as Planorbis O. F. Müller, 1773
- Subgenus Planorbis (Planorbula) Haldeman, 1840 accepted as Planorbula Haldeman, 1840
- Subgenus Planorbis (Platytaphius) Pilsbry, 1924 accepted as Biomphalaria Preston, 1910
- Subgenus Planorbis (Rotundatusiana) Germain, 1903 accepted as Anisus S. Studer, 1820
- Subgenus Planorbis (Segmentina) J. Fleming, 1818 accepted as Segmentina J. Fleming, 1818
- Subgenus Planorbis (Spiralina) E. von Martens, 1899 accepted as Anisus (Disculifer) C. R. Boettger, 1944
- Subgenus Planorbis (Spirodiscus) Stein, 1850 accepted as Planorbarius Duméril, 1805
- Subgenus Planorbis (Spirorbis) Swainson, 1840 accepted as Anisus S. Studer, 1820
- Subgenus Planorbis (Taphius) H. Adams & A. Adams, 1855 accepted as Biomphalaria Preston, 1910
- Subgenus Planorbis (Torquis) Dall, 1905 accepted as Gyraulus (Torquis) Dall, 1905
- Subgenus Planorbis (Trochorbis) W. H. Benson, 1855
- Subgenus Planorbis (Tropicorbis) A. P. Brown & Pilsbry, 1914 accepted as Biomphalaria Preston, 1910
- Subgenus Planorbis (Tropidiscus) Stein, 1850 accepted as Planorbis O. F. Müller, 1773
- Subgenus Planorbis (Tropodiscus) Stein, 1850 accepted as Planorbis O. F. Müller, 1773
- Species Planorbis aberrans E. von Martens, 1867
- Species Planorbis abyssinicus Jickeli, 1874
- Species Planorbis acronicus A. Férussac, 1807 accepted as Gyraulus acronicus (A. Férussac, 1807)
- Species Planorbis acuticarinatus Dunker, 1853 † accepted as Hippeutis acuticarinatus (Dunker, 1853) †
- Species Planorbis adelosius Bourguignat, 1859 accepted as Planorbarius adelosius (Bourguignat, 1859)
- Species Planorbis adowensis Bourguignat, 1879 accepted as Biomphalaria pfeifferi (Krauss, 1848)
- Species Planorbis aequalis C. A. White, 1880 † accepted as Biomphalaria aequalis (C. A. White, 1880) †
- Species Planorbis aeruginosus Morelet, 1851 accepted as Antillorbis aeruginosus (Morelet, 1851)
- Species Planorbis affinis Michaud, 1862 † accepted as Planorbarius thiollieri (Michaud, 1855) †
- Species Planorbis agraulus Bourguignat, 1864
- Species Planorbis alabamensis Pilsbry, 1895 accepted as Micromenetus brongniartianus (I. Lea, 1843)
- Species Planorbis albertanus Clessin, 1877 † accepted as Gyraulus albertanus (Clessin, 1877) †
- Species Planorbis albescens Spix, 1827 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis albicans L. Pfeiffer, 1839 accepted as Biomphalaria albicans (L. Pfeiffer, 1839)
- Species Planorbis albus O. F. Müller, 1774 accepted as Gyraulus albus (O. F. Müller, 1774)
- Species Planorbis alexandrinus Ehrenberg, 1831 accepted as Biomphalaria alexandrina (Ehrenberg, 1831)
- Species Planorbis alienus Rolle, 1862 † accepted as Gyraulus alienus (Rolle, 1862) †
- Species Planorbis alluaudi Dautzenberg, 1895 accepted as Anisus (Anisus) crassilabrum (Morelet, 1860)
- Species Planorbis altissimus F. C. Baker, 1919 accepted as Gyraulus deflectus (Say, 1824)
- Species Planorbis ambiguus Deshayes, 1863 † accepted as Hippeutis ambiguus (Deshayes, 1863) †
- Species Planorbis amblytropis F. Sandberger, 1871 †
- Species Planorbis amiculus Rzehak, 1893 † accepted as Gyraulus (Gyraulus) trochiformis dealbatus (A. Braun, 1851) †
- Species Planorbis ammon A. Gould, 1855 accepted as Planorbella ammon (A. Gould, 1855)
- Species Planorbis ammonitiformis de Serres, 1844 † accepted as Planorbarius ammonitiformis (de Serres, 1844) †
- Species Planorbis amosbrowni Pilsbry, 1930 †
- Species Planorbis amplexus Meek & Hayden, 1857 † accepted as Polygyrella amplexa (Meek & Hayden, 1857) †
- Species Planorbis anabaenus Bourguignat, 1881 † accepted as Planorbarius sansaniensis (Noulet, 1854) †
- Species Planorbis anatinus A. d'Orbigny, 1835 accepted as Drepanotrema anatinum (A. d'Orbigny, 1835)
- Species Planorbis anceps Sacco, 1884 †
- Species Planorbis anceps Menke, 1830 accepted as Helisoma anceps (Menke, 1830)
- Species Planorbis ancylostomus Crosse & P. Fischer, 1879 accepted as Planorbella foveale (Menke, 1830)
- Variety Planorbis ancylostomus var. chiapasensis Crosse & P. Fischer, 1880 accepted as Planorbella fovealis (Menke, 1830)
- Variety Planorbis ancylostomus var. strebeliana P. Fischer & Crosse, 1880 accepted as Planorbella tenuis strebeliana (P. Fischer & Crosse, 1880)
- Species Planorbis andecolus A. d'Orbigny, 1835 accepted as Biomphalaria andecola (A. d'Orbigny, 1835)
- Species Planorbis andersoni J. A. Gardner, 1927 † accepted as Heliconoides nitens (I. Lea, 1833) †
- Species Planorbis anderssoni Ancey, 1890 accepted as Hovorbis coretus (Blainville, 1826)
- Species Planorbis andrussovi A. A. Ali-Zade & Kabakova, 1969 † accepted as Gyraulus andrussovi (A. A. Ali-Zade & Kabakova, 1969) †
- Species Planorbis angulatus Chitty, 1853 accepted as Drepanotrema cimex (Moricand, 1838)
- Species Planorbis annulatus Bouillet, 1835 †
- Species Planorbis annulatus Pallary, 1899
- Species Planorbis antiguensis G. B. Sowerby II, 1877 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis antillarum H. Beck, 1838 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis antiquitus Aldrich, 1911 †
- Species Planorbis antrosus Conrad, 1834 accepted as Helisoma anceps (Menke, 1830)
- Species Planorbis apertus E. von Martens, 1897 accepted as Afrogyrorbis apertus (E. von Martens, 1897)
- Species Planorbis applanatus Thomä, 1845 † accepted as Gyraulus applanatus (Thomä, 1845) †
- Species Planorbis arabicus Melvill & Ponsonby, 1896 accepted as Biomphalaria arabica (Melvill & Ponsonby, 1896)
- Species Planorbis aracacensis Clessin, 1884 accepted as Drepanotrema anatinum (A. d'Orbigny, 1835)
- Species Planorbis aracasensis Gundlach, 1857 accepted as Planorbis aracacensis Clessin, 1884
- Species Planorbis arcelini Bourguignat, 1870 † accepted as Valvata arcelini (Bourguignat, 1870) †
- Species Planorbis arctespira W. Innes, 1884
- Species Planorbis argaeicus Sturany, 1904 accepted as Gyraulus argaeicus (Sturany, 1904)
- Species Planorbis arizonensis Pilsbry & Ferriss, 1915 accepted as Antillorbis aeruginosus (Morelet, 1851)
- Species Planorbis armigerus Say, 1821 accepted as Planorbula armigera (Say, 1821)
- Species Planorbis atkinsoni R. M. Johnston, 1879 accepted as Gyraulus atkinsoni (R. M. Johnston, 1879)
- Species Planorbis atticus Bourguignat, 1852
- Species Planorbis auritus G. B. Sowerby II, 1877
- Species Planorbis austroalpinus Harzhauser & Neubauer, 2012 † accepted as Gyraulus austroalpinus (Harzhauser & Neubauer, 2012) †
- Species Planorbis badae Bollinger, 1914
- Species Planorbis bahiensis Dunker, 1850 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis bakonicus Halaváts, 1902 † accepted as Gyraulus (Gyraulus) bakonicus (Halaváts, 1902) †
- Species Planorbis banaticus Dunker, 1850 accepted as Planorbarius banaticus (Dunker, 1850)
- Species Planorbis barettii Sacco, 1886 † accepted as Planorbarius barettii (Sacco, 1886) †
- Species Planorbis barrackporensis [sic] accepted as Planorbis barrakporensis Clessin, 1884
- Species Planorbis barrakporensis Clessin, 1884
- Species Planorbis baudoni Deshayes, 1863 † accepted as Anomalorbina baudoni (Deshayes, 1863) †
- Species Planorbis bavayi Crosse, 1875 accepted as Drepanotrema cimex (Moricand, 1838)
- Species Planorbis becki Dunker, 1850 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis belizensis Crosse & P. Fischer, 1879 accepted as Biomphalaria belizensis (Crosse & P. Fischer, 1879)
- Species Planorbis bellus I. Lea, 1841 accepted as Planorbella trivolvis (Say, 1817)
- Species Planorbis belnensis Tournouër, 1866 † accepted as Planorbarius belnensis (Tournouër, 1866) †
- Species Planorbis benguelensis Dunker, 1845 accepted as Lentorbis benguelensis (Dunker, 1845)
- Species Planorbis benoiti Benoit, 1882
- Species Planorbis berberensis L. R. Cox, 1934 †
- Species Planorbis biangulatus F. E. Edwards, 1852 † accepted as Anomalorbina biangulata (F. E. Edwards, 1852) †
- Species Planorbis bicarinatus Say, 1817 accepted as Helisoma anceps (Menke, 1830)
- Species Planorbis bicarinatus G. B. Sowerby I, 1822 accepted as Helisoma anceps (Menke, 1830)
- Species Planorbis bicarinatus Lamarck, 1804 † accepted as Circulus bicarinatus (Lamarck, 1804) †
- Species Planorbis bicincta (T. Fuchs, 1870) † accepted as Muellerpalia bicincta (T. Fuchs, 1870) †
- Species Planorbis bigueti Fontannes, 1880 † accepted as Gyraulus (Gyraulus) bigueti (Fontannes, 1880) †
- Species Planorbis bilineatus Röding, 1798
- Species Planorbis billingsii I. Lea, 1864 accepted as Gyraulus parvus (Say, 1817)
- Species Planorbis binneyi Tryon, 1867 accepted as Planorbella binneyi (Tryon, 1867)
- Species Planorbis biwaensis Preston, 1916 accepted as Gyraulus biwaensis (Preston, 1916)
- Species Planorbis blauneri Germain, 1921 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis blazkai Klika, 1891 † accepted as Gyraulus blazkai (Klika, 1891) †
- Species Planorbis boissyi Deshayes, 1863 † accepted as Headonia rillyensis (Bayan, 1870) †
- Species Planorbis bolgradensis Prysjazhnjuk & Kovalenko, 1986 †
- Species Planorbis bolivianus Dunker, 1850 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis boliviensis Fritzsche, 1924 † accepted as Biomphalaria boliviensis (Fritzsche, 1924) †
- Species Planorbis boltenianus Röding, 1798 accepted as Lanistes boltenianus (Röding, 1798)
- Species Planorbis boniliensis Fontannes, 1884 † accepted as Planorbarius boniliensis (Fontannes, 1884) †
- Species Planorbis borealis Lovén, 1875 accepted as Gyraulus borealis (Lovén, 1875)
- Species Planorbis borellii Brusina, 1892 † accepted as Planorbarius borellii (Brusina, 1892) †
- Species Planorbis borisfenicus Barg, 1966 †
- Species Planorbis bosqueti Glibert & de Heinzelin de Braucourt, 1954 † accepted as Gyraulus bosqueti (Glibert & de Heinzelin de Braucourt, 1954) †
- Species Planorbis boucardiana Preston, 1907 accepted as Biomphalaria boucardianus (Preston, 1907)
- Species Planorbis bouei Pavlović, 1932 †
- Species Planorbis bouilleti Tournouër, 1869 † accepted as Segmentina bouilleti (Tournouër, 1869) †
- Species Planorbis bourguignati Moitessier, 1867
- Species Planorbis bourguyi Roxo, 1924 † accepted as Cochliopina bourguyi (Roxo, 1924) †
- Species Planorbis bowkeri Melvill & Ponsonby, 1893 accepted as Biomphalaria pfeifferi (Krauss, 1848)
- Species Planorbis bozasi Rochebrune & Germain, 1904
- Species Planorbis brasili Cossmann & Pissarro, 1900 †
- Species Planorbis brazieri Clessin, 1885 accepted as Gyraulus brazieri (Clessin, 1885)
- Species Planorbis bridouxianus Bourguignat, 1888 accepted as Biomphalaria pfeifferi (Krauss, 1848)
- Species Planorbis brlici Brusina, 1897 † accepted as Gyraulus (Gyraulus) brlici (Brusina, 1897) †
- Species Planorbis brogniartianus I. Lea, 1843 accepted as Planorbis brongniartianus I. Lea, 1843
- Species Planorbis brongniartianus I. Lea, 1843 accepted as Dilatata brongniartiana (I. Lea, 1843)
- Species Planorbis brunnensis Sauerzopf, 1953 † accepted as Anisus brunnensis (Sauerzopf, 1953) †
- Species Planorbis brunneus H. Adams & A. Adams, 1855 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis brusinai Lörenthey, 1894 † accepted as Gyraulus (Gyraulus) brusinai (Lörenthey, 1894) †
- Species Planorbis buchananii I. Lea, 1841 accepted as Dilatata dilatata (A. Gould, 1841)
- Species Planorbis buchanensis I. Lea, 1841 accepted as Planorbis buchananii I. Lea, 1841
- Species Planorbis bulla O. F. Müller, 1774 accepted as Physa fontinalis (Linnaeus, 1758)
- Species Planorbis caenosus W. H. Benson, 1850 accepted as Helicorbis umbilicalis (W. H. Benson, 1836)
- Species Planorbis calamensis Dareste de la Chavanne, 1910 † accepted as Gyraulus calamensis (Dareste de la Chavanne, 1910) †
- Species Planorbis calathus W. H. Benson, 1850 accepted as Polypylis calathus (W. H. Benson, 1850)
- Species Planorbis calculus F. Sandberger, 1870 † accepted as Liangulorbis calculus (F. Sandberger, 1870) †
- Species Planorbis callioglyptus Vanatta, 1895 accepted as Menetus opercularis (A. Gould, 1847)
- Species Planorbis callistus Bourguignat, 1881 † accepted as Armiger lenapalus (Bourguignat, 1881) †
- Species Planorbis caloderma Pilsbry, 1923 accepted as Planorbella caloderma (Pilsbry, 1923)
- Species Planorbis campaneus Bourguignat, 1881 † accepted as Anisus dupuyianus (Noulet, 1854) †
- Species Planorbis campaniensis Deshayes, 1863 † accepted as Headonia sparnacensis campaniensis (Deshayes, 1863) †
- Species Planorbis campanulatus Say, 1821 accepted as Planorbella campanulata (Say, 1821)
- Species Planorbis cannarum Morelet, 1849 accepted as Biomphalaria obstructa (Morelet, 1849)
- Species Planorbis canonicus Cousin, 1887 accepted as Biomphalaria peregrina (A. d'Orbigny, 1835)
- Species Planorbis cantori W. H. Benson, 1850 accepted as Helicorbis cantori (W. H. Benson, 1850)
- Species Planorbis caribaeus A. d'Orbigny, 1845 accepted as Planorbella (Pierosoma) fovealis (Menke, 1830)
- Species Planorbis carinatus O. F. Müller, 1774
- Species Planorbis caroli Ludwig, 1861 †
- Species Planorbis carus Pilsbry & Ferriss, 1906 accepted as Promenetus umbilicatellus (T. D. A. Cockerell, 1887)
- Species Planorbis carvalhoi Castro, 1887
- Species Planorbis castaneonitens Pilsbry & Vanatta, 1896
- Species Planorbis castrensis Noulet, 1854 † accepted as Headonia castrensis (Noulet, 1854) †
- Species Planorbis castroi Castro, 1887
- Species Planorbis catillus Anton, 1838
- Species Planorbis catinus Deshayes, 1863 † accepted as Anomalorbina catinus (Deshayes, 1863) †
- Species Planorbis cecchii Pollonera, 1887
- Species Planorbis centervillensis Tryon, 1871 accepted as Menetus opercularis (A. Gould, 1847)
- Species Planorbis centrogyratus Westerlund, 1875 accepted as Anisus centrogyratus (Westerlund, 1875)
- Species Planorbis chacoensis Stanton, 1916 †
- Species Planorbis chaenostomus Brusina, 1902 † accepted as Gyraulus chaenostomus (Brusina, 1902) †
- Species Planorbis chapalensis Pilsbry, 1920 accepted as Planorbella tenuis chapalensis (Pilsbry, 1920)
- Species Planorbis charopus W. Innes, 1884
- Species Planorbis charteus Held, 1837
- Species Planorbis chertieri Deshayes, 1863 † accepted as Hippeutis chertieri (Deshayes, 1863) †
- Species Planorbis chihliensis Ping, 1929 † accepted as Gyraulus keideli (Schlosser, 1906) †
- Species Planorbis chilensis Anton, 1838 accepted as Biomphalaria chilensis (Anton, 1838)
- Species Planorbis chinensis Dunker, 1848 accepted as Gyraulus chinensis (Dunker, 1848)
- Species Planorbis choanomphalus E. von Martens, 1879 accepted as Biomphalaria choanomphala (E. von Martens, 1879)
- Species Planorbis chonopsis Brusina, 1902 † accepted as Gyraulus (Gyraulus) lorentheyi (Brusina, 1902) †
- Species Planorbis cimex Moricand, 1838 accepted as Drepanotrema cimex (Moricand, 1838)
- Species Planorbis cinctus Röding, 1798
- Species Planorbis cingulatus Baudon, 1856 † accepted as Anomalorbina subangulata (Lamarck, 1804) †
- Species Planorbis circumlineatus Shuttleworth, 1854 accepted as Antillorbis aeruginosus (Morelet, 1851)
- Species Planorbis circumspissus Morelet, 1863 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis cirrus C. A. White, 1879 † accepted as Omalodiscus cirrus (C. A. White, 1879) †
- Species Planorbis citrinus Röding, 1798
- Species Planorbis clathratus Brusina, 1884 † accepted as Gyraulus okrugljakensis Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic, 2014 †
- Species Planorbis clathratus F. Sandberger, 1880 † accepted as Planorbarius corneus (Linnaeus, 1758)
- Species Planorbis clessini Westerlund, 1873 accepted as Segmentina (Subsegmentina) clessini (Westerlund, 1873)
- Species Planorbis clevei Jousseaume, 1887 accepted as Biomphalaria clevei (Jousseaume, 1887)
- Species Planorbis cockburni Godwin-Austen, 1883 accepted as Gyraulus cockburni (Godwin-Austen, 1883)
- Species Planorbis collisus Bogachev, 1936 †
- Species Planorbis compessus E. von Martens, 1897 accepted as Gyraulus convexiusculus (T. Hutton, 1849)
- Species Planorbis complanatus (Linnaeus, 1758) accepted as Planorbis (Hippeutis) complanatus (Linnaeus, 1758)
- Species Planorbis compressus T. Hutton, 1834
- Species Planorbis compressus Michaud, 1831
- Species Planorbis compressus Greppin, 1855 † accepted as Protodrepanostoma involutum (Thomä, 1845) †
- Species Planorbis conanti Dall, 1890 † accepted as Planorbella conanti (Dall, 1890) †
- Species Planorbis concavospira Anton, 1838 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis concavus Deshayes, 1863 † accepted as Menetus concavus (Deshayes, 1863) †
- Species Planorbis concavus J. G. Anthony, 1843 accepted as Gyraulus parvus (Say, 1817)
- Species Planorbis conchensis Noulet, 1854 †
- Species Planorbis confusus (Soós, 1934) † accepted as Anisus confusus Soós, 1934 †
- Species Planorbis confusus Lutz, 1918 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis confusus Rochebrune, 1882 accepted as Gyraulus siamensis (E. von Martens, 1867)
- Species Planorbis conivens [sic] † accepted as Gyraulus connivens (Eichwald, 1830) †
- Species Planorbis connivens Eichwald, 1830 † accepted as Gyraulus connivens (Eichwald, 1830) †
- Species Planorbis constans Brusina, 1884 † accepted as Gyraulus (Gyraulus) constans (Brusina, 1884) †
- Species Planorbis conterraneus Noulet, 1857 † accepted as Coretus cornu mantelli (Dunker, 1848) †
- Species Planorbis contrarius O. F. Müller, 1774 accepted as Marisa cornuarietis (Linnaeus, 1758)
- Species Planorbis contrerasi Pilsbry, 1920 accepted as Planorbella contrerasi (Pilsbry, 1920)
- Species Planorbis convexiusculus T. Hutton, 1849 accepted as Gyraulus convexiusculus (T. Hutton, 1849)
- Species Planorbis convolutus Meek & Hayden, 1856 † accepted as Biomphalaria convoluta (Meek & Hayden, 1856) †
- Species Planorbis cooperi F. C. Baker, 1940 accepted as Menetus opercularis (A. Gould, 1847)
- Species Planorbis coquandianus de Loriol, 1865 † accepted as Gyraulus loryi (Coquand, 1856) †
- Species Planorbis cordatus F. Sandberger, 1862 † accepted as Gyraulus cordatus (F. Sandberger, 1862) †
- Species Planorbis coretus Blainville, 1826 accepted as Africanogyrus coretus (Blainville, 1826)
- Species Planorbis corinna Gray, 1850 accepted as Gyraulus corinna (Gray, 1850)
- Species Planorbis corneus (Linnaeus, 1758) accepted as Planorbarius corneus (Linnaeus, 1758)
- Species Planorbis corniculum Thomä, 1845 † accepted as Planorbarius cornu (Brongniart, 1810) †
- Species Planorbis cornu Brongniart, 1810 † accepted as Planorbarius cornu (Brongniart, 1810) †
- Species Planorbis cornucopia W. H. Baily, 1858 † accepted as Planorbarius cornucopia (W. H. Baily, 1858) †
- Species Planorbis coromandelicus Dunker, 1850 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis corpulentus Say, 1824 accepted as Planorbella corpulenta (Say, 1824)
- Species Planorbis cosmius W. Innes, 1884
- Species Planorbis costaricensis Preston, 1907 accepted as Planorbella costaricense [sic]
- Species Planorbis costatus Klein, 1846 † accepted as Gyraulus costatus (Klein, 1846) †
- Species Planorbis costulatus Krauss, 1848 accepted as Gyraulus costulatus (Krauss, 1848)
- Species Planorbis coton Morelet, 1884
- Species Planorbis courpoilensis Carez, 1881 † accepted as Gyraulus courpoilensis (Carez, 1881) †
- Species Planorbis crassilabrum Morelet, 1860 accepted as Hovorbis crassilabrum (Morelet, 1860)
- Species Planorbis crassus de Serres, 1844 † accepted as Planorbarius crassus (de Serres, 1844) †
- Species Planorbis crawfordi Melvill & Ponsonby, 1893 accepted as Planorbis natalensis Krauss, 1848
- Species Planorbis crequii Courty, 1907 accepted as Biomphalaria crequii (Courty, 1907)
- Species Planorbis cretaceus Repelin, 1902 †
- Species Planorbis cretensis Glöer & Hirschfelder, 2015
- Species Planorbis crista (Linnaeus, 1758) accepted as Armiger crista (Linnaeus, 1758)
- Species Planorbis cristatus Draparnaud, 1805 accepted as Armiger crista (Linnaeus, 1758)
- Species Planorbis crosseanus Bourguignat, 1862 accepted as Gyraulus albus (O. F. Müller, 1774)
- Species Planorbis cuisensis Cossmann, 1885 † accepted as Anomalorbina cuisensis (Cossmann, 1885) †
- Species Planorbis cultratus A. d'Orbigny, 1841 accepted as Drepanotrema cultratum (A. d'Orbigny, 1841)
- Species Planorbis cumingianus Dunker, 1848
- Species Planorbis cyclomphalus W. Innes, 1884
- Species Planorbis cyclostomus Brusina, 1902 † accepted as Valvata (Valvata) cyclostoma (Brusina, 1902) †
- Species Planorbis daemeli Clessin, 1885 accepted as Gyraulus gilberti (Dunker, 1848)
- Species Planorbis dalmaticus Brusina, 1884 † accepted as Gyraulus (Gyraulus) dalmaticus (Brusina, 1884) †
- Species Planorbis dealbatus A. Braun, 1851 † accepted as Gyraulus dealbatus (A. Braun, 1851) †
- Species Planorbis decipiens C. B. Adams, 1849 accepted as Tropicorbis decipiens (C. B. Adams, 1849)
- Species Planorbis declivis A. Braun, 1851 † accepted as Gyraulus applanatus (Thomä, 1845) †
- Species Planorbis declivis Tate, 1870
- Species Planorbis decussatus Reuss, 1849 † accepted as Planorbarius cornu (Brongniart, 1810) †
- Species Planorbis deflectus Say, 1824 accepted as Gyraulus deflectus (Say, 1824)
- Species Planorbis dentatus A. Gould, 1844
- Species Planorbis dentiens Morelet, 1849 accepted as Biomphalaria helophila (A. d'Orbigny, 1835)
- Species Planorbis dentifer J. Moricand, 1853 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis dentiferus C. B. Adams, 1845
- Species Planorbis depressissimus Moricand, 1839 accepted as Drepanotrema depressissimum (Moricand, 1839)
- Species Planorbis depressissimus Sacco, 1886 † accepted as Anisus spirorbis (Linnaeus, 1758)
- Species Planorbis depressus Nyst, 1845 † accepted as Gyraulus bosqueti (Glibert & de Heinzelin de Braucourt, 1954) †
- Species Planorbis depressus Greppin, 1855 † accepted as Gyraulus applanatus (Thomä, 1845) †
- Species Planorbis devestitus Stache, 1889 †
- Species Planorbis devians Porro, 1838 accepted as Gyraulus deformis Hartmann, 1844
- Species Planorbis dicaelus (Morelet, 1875) accepted as Polypylis hemisphaerula (W. H. Benson, 1842)
- Species Planorbis dilatatus A. Gould, 1841 accepted as Dilatata dilatata (A. Gould, 1841)
- Species Planorbis dilatatus L. Pfeiffer, 1841
- Species Planorbis dimitrovici Brusina, 1902 † accepted as Gyraulus (Gyraulus) dimitrovici (Brusina, 1902) †
- Species Planorbis discoideus Pavlović, 1903 † accepted as Gyraulus rasseri Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic, 2014 †
- Species Planorbis discus F. E. Edwards, 1852 † accepted as Headonia discus (F. E. Edwards, 1852) †
- Species Planorbis disstoni Dall, 1890 † accepted as Planorbella disstoni (Dall, 1890) †
- Species Planorbis dorrianus Wattebled, 1884 accepted as Helicorbis umbilicalis (W. H. Benson, 1836)
- Species Planorbis doseni Brusina, 1902 † accepted as Gyraulus (Gyraulus) doseni (Brusina, 1902) †
- Species Planorbis douvillei Saporta, 1889 † accepted as Gyraulus douvillei (Saporta, 1889) †
- Species Planorbis dubius Gorjanović-Kramberger, 1890 † accepted as Gyraulus vrapceanus Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic, 2014 †
- Species Planorbis duenasianus Tristram, 1861 accepted as Drepanotrema cultratum duenasianum (Tristram, 1861)
- Species Planorbis dufourii Graells, 1846 accepted as Planorbarius dufourii (Graells, 1846)
- Species Planorbis dupuyianus Noulet, 1854 † accepted as Anisus dupuyianus (Noulet, 1854) †
- Species Planorbis duryi Wetherby, 1879 accepted as Helisoma duryi (Wetherby, 1879)
- Species Planorbis eburneus G. B. Sowerby II, 1877 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis effusus Röding, 1798
- Species Planorbis ehrenbergi H. Beck, 1837 accepted as Gyraulus ehrenbergi (H. Beck, 1837)
- Species Planorbis eichwaldi Clessin & W. Dybowski, 1887 accepted as Gyraulus eichwaldi (Clessin & W. Dybowski, 1887)
- Species Planorbis eldaricus Bogachev, 1936 †
- Species Planorbis elegans F. E. Edwards, 1852 † accepted as Anomalorbina elegans (F. E. Edwards, 1852) †
- Species Planorbis elegantulus Dohrn, 1858
- Species Planorbis elevatus C. B. Adams, 1840 accepted as Gyraulus parvus (Say, 1817)
- Species Planorbis emyduum Bourguignat, 1881 † accepted as Gyraulus goussardianus (Noulet, 1854) †
- Species Planorbis engonatus Conrad, 1835 accepted as Helisoma anceps (Menke, 1830)
- Species Planorbis epagodus Bourguignat, 1881 † accepted as Planorbarius sansaniensis (Noulet, 1854) †
- Species Planorbis equatorius Cousin, 1887 accepted as Biomphalaria equatoria (Cousin, 1887)
- Species Planorbis eremiophilus W. Innes, 1884
- Species Planorbis esperanzensis Tryon, 1866 accepted as Drepanotrema anatinum (A. d'Orbigny, 1835)
- Species Planorbis essingtonensis E. A. Smith, 1882 accepted as Gyraulus essingtonensis (E. A. Smith, 1882)
- Species Planorbis etruscus Mousson, 1859 accepted as Planorbarius corneus (Linnaeus, 1758)
- Species Planorbis eucosmius Bartsch, 1908 accepted as Helisoma eucosmium (Bartsch, 1908)
- Species Planorbis euomphalus J. Sowerby, 1816 † accepted as Headonia euomphalus (J. Sowerby, 1816) †
- Species Planorbis exacuous Say, 1821 accepted as Promenetus exacuous (Say, 1821)
- Species Planorbis exacutus A. Gould, 1841 accepted as Promenetus exacuous (Say, 1821)
- Species Planorbis exarescens Sturany, 1899
- Species Planorbis exiguus Reuss, 1849 † accepted as Gyraulus dealbatus (A. Braun, 1851) †
- Species Planorbis eximius W. Innes, 1884
- Species Planorbis exustus Deshayes, 1833 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis falsani Locard, 1883 † accepted as Anisus falsani (Locard, 1883) †
- Species Planorbis ferrugineus Spix, 1827 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis fieldii Tryon, 1863 accepted as Biomphalaria fieldii (Tryon, 1863)
- Species Planorbis filholi Bourguignat, 1877 † accepted as Headonia goniobasis (F. Sandberger, 1871) †
- Species Planorbis filiaris Gredler, 1885
- Species Planorbis filocinctus Pilsbry & Ferriss, 1906 accepted as Antillorbis aeruginosus (Morelet, 1851)
- Species Planorbis fischeri Wenz, 1919 †
- Species Planorbis fisheri Arkell, 1941 † accepted as Gyraulus loryi (Coquand, 1856) †
- Species Planorbis florissantensis T. D. A. Cockerell, 1906 † accepted as Gyraulus florissantensis (T. D. A. Cockerell, 1906) †
- Species Planorbis fokkesii Dunker, 1848
- Species Planorbis fontinalis J. R. Roth, 1855
- Species Planorbis formosus Brusina, 1902 † accepted as Gyraulus (Gyraulus) formosus (Brusina, 1902) †
- Species Planorbis fovealis Menke, 1830 accepted as Planorbella foveale (Menke, 1830)
- Species Planorbis fragilis Tate, 1896 accepted as Gyraulus essingtonensis (E. A. Smith, 1882)
- Species Planorbis fragilis Pavlović, 1903 † accepted as Gyraulus fragilis (Pavlović, 1903) †
- Species Planorbis fragilis E. A. Smith, 1883 accepted as Gyraulus brazieri (Clessin, 1885)
- Species Planorbis fragilis Meek & Hayden, 1857 † accepted as Planorbis planoconvexus Meek & Hayden, 1860 †
- Species Planorbis fragilis Dunker, 1850
- Species Planorbis fuscus Dunker, 1848
- Species Planorbis gaasensis Tournouër, 1882 †
- Species Planorbis gelatinus O. F. Müller, 1774 accepted as Aplexa hypnorum (Linnaeus, 1758)
- Species Planorbis geminus Brusina, 1897 † accepted as Gyraulus geminus (Brusina, 1897) †
- Species Planorbis gilberti Dunker, 1848 accepted as Gyraulus gilberti (Dunker, 1848)
- Species Planorbis glaber Jeffreys, 1830 accepted as Gyraulus laevis (Alder, 1838)
- Species Planorbis glabratus Say, 1818 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis gladilini Pavlović, 1931 † accepted as Gyraulus gladilini (Pavlović, 1931) †
- Species Planorbis goniophorus Morlet, 1888 † accepted as Anomalorbina goniophora (Morlet, 1888) †
- Species Planorbis gourreti Roule, 1886 †
- Species Planorbis goussardianus Noulet, 1854 † accepted as Gyraulus goussardianus (Noulet, 1854) †
- Species Planorbis gracilentus A. Gould, 1855 accepted as Biomphalaria gracilenta (A. Gould, 1855)
- Species Planorbis grandis Halaváts, 1902 † accepted as Planorbarius halavatsi Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic, 2014 †
- Species Planorbis grandis Dunker, 1850 accepted as Planorbarius grandis (Dunker, 1850)
- Species Planorbis gredleri Gredler, 1859 accepted as Gyraulus acronicus (A. Férussac, 1807)
- Species Planorbis guadaloupensis G. B. Sowerby I, 1822 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis guatemalensis Clessin, 1884 accepted as Planorbella fovealis guatemalensis (Clessin, 1884)
- Species Planorbis gundlachi Clessin, 1884
- Species Planorbis gyreligmus Bourguignat, 1881 † accepted as Anisus dupuyianus (Noulet, 1854) †
- Species Planorbis haldemani C. B. Adams, 1849 accepted as Drepanotrema anatinum (A. d'Orbigny, 1835)
- Species Planorbis haldemani Dunker, 1850
- Species Planorbis hardmani Wade, 1924 † accepted as Biomphalaria hardmani (Wade, 1924) †
- Species Planorbis harni Pilsbry, 1891
- Species Planorbis hauchecornei Achepohl, 1883 †
- Species Planorbis havanensis L. Pfeiffer, 1839 accepted as Biomphalaria havanensis (L. Pfeiffer, 1839)
- Species Planorbis hebertianus Baudon, 1856 † accepted as Anomalorbina nitidula (Lamarck, 1804) †
- Species Planorbis hebraicus Bourguignat, 1852 accepted as Gyraulus hebraicus (Bourguignat, 1852)
- Species Planorbis helicophantoides Pavlović, 1927 † accepted as Gyraulus helicophantoides (Pavlović, 1927) †
- Species Planorbis heloicus A. d'Orbigny, 1835 accepted as Drepanotrema heloicum (A. d'Orbigny, 1835)
- Species Planorbis helophila A. d'Orbigny, 1835 accepted as Biomphalaria helophila (A. d'Orbigny, 1835)
- Species Planorbis hemisphaerula W. H. Benson, 1842 accepted as Polypylis hemisphaerula (W. H. Benson, 1842)
- Species Planorbis hemistoma J. Sowerby, 1816 † accepted as Anomalorbina hemistoma (J. Sowerby, 1816) †
- Species Planorbis herbini Bourguignat, 1883
- Species Planorbis heriacensis Fontannes, 1876 † accepted as Planorbarius heriacensis (Fontannes, 1876) †
- Species Planorbis hesperus (Iredale, 1943) accepted as Gyraulus hesperus (Iredale, 1943)
- Species Planorbis heteropleurus Pilsbry & Vanatta, 1896
- Species Planorbis heudei Clessin, 1884
- Species Planorbis hians Rolle, 1860 † accepted as Gyraulus (Gyraulus) hians (Rolle, 1860) †
- Species Planorbis hildebrandti E. von Martens, 1883 accepted as Biomphalaria pfeifferi (Krauss, 1848)
- Species Planorbis hilgendorfi Fraas, 1868 † accepted as Anisus hilgendorfi (Fraas, 1868) †
- Species Planorbis himalayaensis [sic] accepted as Planorbis himalayanus Clessin, 1884
- Species Planorbis himalayanus Clessin, 1884
- Species Planorbis hindsianus Dunker, 1848 accepted as Gyraulus hindsianus (Dunker, 1848)
- Species Planorbis hindu Clessin, 1885 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis hirsutus Gould, 1840 accepted as Gyraulus deflectus (Say, 1824)
- Species Planorbis hispidus Draparnaud, 1805 accepted as Gyraulus albus (O. F. Müller, 1774)
- Species Planorbis hoernesi Rolle, 1860 † accepted as Gyraulus (Gyraulus) hoernesi (Rolle, 1860) †
- Species Planorbis homalosomus Brusina, 1902 † accepted as Gyraulus (Gyraulus) homalosomus (Brusina, 1902) †
- Species Planorbis homsensis Dautzenberg, 1894 accepted as Gyraulus homsensis (Dautzenberg, 1894)
- Species Planorbis hondurasensis Clessin, 1878 accepted as Biomphalaria hondurasensis (Clessin, 1878)
- Species Planorbis hornii Tryon, 1865 accepted as Planorbella tenuis (Dunker, 1850)
- Species Planorbis huguenini Fontannes, 1880 † accepted as Gyraulus huguenini (Fontannes, 1880) †
- Species Planorbis hyalina I. Lea, 1838 accepted as Promenetus exacuous (Say, 1821)
- Species Planorbis imbricatus O. F. Müller, 1774 accepted as Armiger crista (Linnaeus, 1758)
- Species Planorbis immunis Lutz, 1923 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis imus Vanatta, 1911 accepted as Promenetus exacuous (Say, 1821)
- Species Planorbis inaequalis de Serres, 1827 †
- Species Planorbis incertus R. B. Newton & G. F. Harris, 1894 † accepted as Headonia incerta (R. B. Newton & G. F. Harris, 1894) †
- Species Planorbis incrassatus Rambur, 1862 † accepted as Planorbarius incrassatus (Rambur, 1862) †
- Species Planorbis indicus W. H. Benson, 1836 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis inflatus Deshayes, 1825 † accepted as Hippeutis inflatus (Deshayes, 1825) †
- Species Planorbis inflatus Dunker, 1848 accepted as Planorbarius grandis (Dunker, 1850)
- Species Planorbis infralineatus E. von Martens, 1867
- Species Planorbis infraliratus Westerlund, 1876 accepted as Gyraulus infraliratus (Westerlund, 1877)
- Species Planorbis ingenuus Morelet, 1857
- Species Planorbis innesi W. Innes, 1884
- Species Planorbis inopinatus S. Meunier, 1880 † accepted as Gyraulus inopinatus (S. Meunier, 1880) †
- Species Planorbis inornatus Brusina, 1902 † accepted as Gyraulus (Gyraulus) inornatus (Brusina, 1902) †
- Species Planorbis intercalaris Pilsbry, 1887 accepted as Planorbella duryi (Wetherby, 1879)
- Species Planorbis intermixtus Mousson, 1874
- Species Planorbis intertextus G. B. Sowerby II, 1877 accepted as Planorbella trivolvis intertextum (G. B. Sowerby II, 1877)
- Species Planorbis inversus Deshayes, 1825 † accepted as Hippeutis inflatus (Deshayes, 1825) †
- Species Planorbis irenoides Martinson, 1951 †
- Species Planorbis irregularis Blanckenhorn, 1900 † accepted as Pseudoceratodes irregularis (Blanckenhorn, 1900) †
- Species Planorbis isabel G. B. Sowerby II, 1877 accepted as Drepanotrema anatinum (A. d'Orbigny, 1835)
- Species Planorbis isingi Cotton & Godfrey, 1932 accepted as Gyraulus isingi (Cotton & Godfrey, 1932)
- Species Planorbis isseli Sacco, 1886 † accepted as Planorbarius isseli (Sacco, 1886) †
- Species Planorbis isthmicus Pilsbry, 1920
- Species Planorbis jamaicensis (Gmelin, 1791) accepted as Eurycratera jamaicensis (Gmelin, 1791)
- Species Planorbis janinensis Mousson, 1859 accepted as Gyraulus janinensis (Mousson, 1859)
- Species Planorbis jenksii H. F. Carpenter, 1872 accepted as Planorbula armigera (Say, 1821)
- Species Planorbis jobae Bourguignat, 1862 † accepted as Planorbarius jobae (Bourguignat, 1862) †
- Species Planorbis johanseni Mozley, 1934 accepted as Anisus vortex (Linnaeus, 1758)
- Species Planorbis jugleri Dunker, 1843 † accepted as Gyraulus jugleri (Dunker, 1843) †
- Species Planorbis jukici Brusina, 1902 † accepted as Gyraulus (Gyraulus) jukici (Brusina, 1902) †
- Species Planorbis jurkovici Brusina, 1902 † accepted as Gyraulus (Gyraulus) jurkovici (Brusina, 1902) †
- Species Planorbis kabylianus A. Letourneux, 1870
- Species Planorbis kahuica H. J. Finlay & Laws, 1931 accepted as Gyraulus kahuica (Finlay & Laws, 1931)
- Species Planorbis katurici Brusina, 1897 † accepted as Gyraulus katurici (Brusina, 1897) †
- Species Planorbis kermatoides A. d'Orbigny, 1835 accepted as Drepanotrema kermatoides (A. d'Orbigny, 1835)
- Species Planorbis kigeziensis Preston, 1912 accepted as Afrogyrorbis kigeziensis (Preston, 1912)
- Species Planorbis kimakovicsi Brusina, 1902 † accepted as Gyraulus (Gyraulus) sibinjensis (Brusina, 1897) †
- Species Planorbis kimakoviczi in Brusina, 1894 †
- Species Planorbis kishenehnensis L. S. Russell, 1952 † accepted as Biomphalaria kishenehnensis (L. S. Russell, 1952) †
- Species Planorbis kisumiensis Preston, 1912 accepted as Afrogyrorbis kisumiensis (Preston, 1912)
- Species Planorbis kittli Rzehak, 1893 † accepted as Mioplatytaphius kittli (Rzehak, 1893) †
- Species Planorbis kochi Pavlović, 1927 †
- Species Planorbis korobkovi A. A. Ali-Zade & Kabakova, 1969 †
- Species Planorbis kosovensis Pavlović, 1903 † accepted as Gyraulus (Gyraulus) kosovensis (Pavlović, 1903) †
- Species Planorbis krambergeri Halaváts, 1902 † accepted as Anisus (Anisus) krambergeri (Halaváts, 1902) †
- Species Planorbis kraussii Klein, 1846 † accepted as Gyraulus kraussii (Klein, 1846) †
- Species Planorbis kruglowiae Johansen, 1937 accepted as Gyraulus kruglowiae (Johansen, 1937)
- Species Planorbis kubanicus Soldatenko & Starobogatov, 1998
- Species Planorbis kuehnerianus Clessin, 1883 accepted as Biomphalaria kuhniana (Clessin, 1883)
- Species Planorbis kungurensis Ludwig, 1861 †
- Species Planorbis lacteus Röding, 1798
- Species Planorbis laevigatus Deshayes, 1825 † accepted as Headonia laevigata (Deshayes, 1825) †
- Species Planorbis laevis Alder, 1838 accepted as Gyraulus laevis (Alder, 1838)
- Species Planorbis laevis Klein, 1846 † accepted as Gyraulus kleini Gottschick & Wenz, 1916 †
- Species Planorbis lamyi Germain, 1905
- Species Planorbis landonensis Dollfus, 1906 † accepted as Planorbarius landonensis (Dollfus, 1906) †
- Species Planorbis lanierianus A. d'Orbigny, 1841
- Species Planorbis lapicida Röding, 1798
- Species Planorbis largillierti E. von Martens, 1867 accepted as Polypylis hemisphaerula (W. H. Benson, 1842)
- Species Planorbis lartetii Noulet, 1854 † accepted as Segmentina lartetii (Noulet, 1854) †
- Species Planorbis laurenti W. Innes, 1884
- Species Planorbis lauricochae R. A. Philippi, 1869 accepted as Biomphalaria lauricochae (R. A. Philippi, 1869)
- Species Planorbis lavigerianus Bourguignat, 1888
- Species Planorbis lazici Brusina, 1892 † accepted as Gyraulus (Gyraulus) lazici (Brusina, 1892) †
- Species Planorbis legatorum Rossmässler, 1846
- Species Planorbis leidyi Meek & Hayden, 1860 †
- Species Planorbis lenapalus Bourguignat, 1881 † accepted as Armiger lenapalus (Bourguignat, 1881) †
- Species Planorbis lendli Brusina, 1902 † accepted as Gyraulus (Gyraulus) lendli (Brusina, 1902) †
- Species Planorbis lens Brongniart, 1810 † accepted as Hippeutis lens (Brongniart, 1810) †
- Species Planorbis lens I. Lea, 1838 accepted as Planorbis brogniartianus I. Lea, 1843
- Species Planorbis lenticularis I. Lea, 1844 accepted as Dilatata brongniartiana (I. Lea, 1843)
- Species Planorbis lenticularis Baudon, 1856 † accepted as Anomalorbina baudoni (Deshayes, 1863) †
- Species Planorbis lentus Say, 1834 accepted as Planorbella trivolvis (Say, 1817)
- Species Planorbis lepidophorus Castro, 1887
- Species Planorbis leptogyrus Bourguignat, 1881 † accepted as Anisus dupuyianus (Noulet, 1854) †
- Species Planorbis letourneuxi W. Innes, 1884
- Species Planorbis leuchochilus Melvill & Ponsonby, 1903 accepted as Afrogyrorbis natalensis (Krauss, 1848)
- Species Planorbis leucostoma Millet, 1813 accepted as Anisus (Anisus) leucostoma (Millet, 1813)
- Species Planorbis levistriatus Preston, 1912 accepted as Biomphalaria peregrina (A. d'Orbigny, 1835)
- Species Planorbis leymerii Deshayes, 1863 † accepted as Headonia pseudoammonia leymerii (Deshayes, 1863) †
- Species Planorbis liasinus Dunker, 1846 †
- Species Planorbis libanicus Westerlund, 1899
- Species Planorbis liebmanni Dunker, 1850 accepted as Biomphalaria havanensis (L. Pfeiffer, 1839)
- Species Planorbis lignitarum Michelotti, 1861 †
- Species Planorbis limayana R. P. Lesson, 1831 accepted as Drepanotrema limayanum (R. P. Lesson, 1831)
- Species Planorbis limophilus Westerlund, 1867 accepted as Anisus (Gyraulus) draparnaldi (Sheppard, 1823)
- Species Planorbis limosus Dunker, 1848
- Species Planorbis lineolatus Brusina, 1878 † accepted as Gyraulus (Gyraulus) lineolatus (Brusina, 1878) †
- Species Planorbis liratus Westerlund, 1883
- Species Planorbis llanerensis K. van W. Palmer, 1945 † accepted as Helisoma llanerensis (K. van W. Palmer, 1945) †
- Species Planorbis lorentheyi Brusina, 1902 † accepted as Gyraulus (Gyraulus) lorentheyi (Brusina, 1902) †
- Species Planorbis loryi Coquand, 1856 † accepted as Gyraulus loryi (Coquand, 1856) †
- Species Planorbis loxostoma De Stefani, 1880 † accepted as Gyraulus albus (O. F. Müller, 1774)
- Species Planorbis lucidus L. Pfeiffer, 1839 accepted as Drepanotrema lucidum (L. Pfeiffer, 1839)
- Species Planorbis ludovici Noulet, 1854 † accepted as Gyraulus ludovici (Noulet, 1854) †
- Species Planorbis lugubris J. A. Wagner, 1827 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis lunatus Conrad, 1871 † accepted as Ammonitella lunata (Conrad, 1871) †
- Species Planorbis lundii Beck, 1838 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis lusitanus Castro, 1887
- Species Planorbis luzonicus Möllendorff, 1895
- Species Planorbis mabilli Bourguignat, 1870
- Species Planorbis macedonicus Sturany, 1894
- Species Planorbis macnabianus C. B. Adams, 1849 accepted as Drepanotrema cimex (Moricand, 1838)
- Species Planorbis macquariensis E. A. Smith, 1883 accepted as Gyraulus gilberti (Dunker, 1848)
- Species Planorbis macrostomus Whiteaves, 1863 accepted as Planorbella trivolvis (Say, 1817)
- Species Planorbis madagascariensis E. A. Smith, 1882 accepted as Biomphalaria pfeifferi (Krauss, 1848)
- Species Planorbis magnificus Pilsbry, 1903 accepted as Planorbella magnifica (Pilsbry, 1903)
- Species Planorbis makoensis Bartha, 1962 †
- Species Planorbis mammertensis Roman, 1904 † accepted as Headonia mammertensis (Roman, 1904) †
- Species Planorbis mammuth Blanckenhorn, 1900 † accepted as Pseudoceratodes mammuth (Blanckenhorn, 1900) †
- Species Planorbis mantelli Dunker, 1848 † accepted as Planorbarius mantelli (Dunker, 1848) †
- Species Planorbis mareoticus Innes, 1884 accepted as Gyraulus ehrenbergi (H. Beck, 1837)
- Species Planorbis mareoticus W. Innes, 1884
- Species Planorbis marginatus Draparnaud, 1805 accepted as Planorbis planorbis (Linnaeus, 1758)
- Species Planorbis margoi Lörenthey, 1894 † accepted as Planorbarius margoi (Lörenthey, 1894) †
- Species Planorbis mariae Michaud, 1862 † accepted as Anisus mariae (Michaud, 1862) †
- Species Planorbis marinkovici Brusina, 1892 † accepted as Gyraulus marinkovici (Brusina, 1892) †
- Species Planorbis marmoratus Michaud, 1833
- Species Planorbis matheroni P. Fischer & Tournouër, 1873 † accepted as Gyraulus matheroni (P. Fischer & Tournouër, 1873) †
- Species Planorbis mauritianus Morelet, 1876 accepted as Gyraulus mauritianus (Morelet, 1876)
- Species Planorbis maya Morelet, 1849 accepted as Biomphalaria havanensis (L. Pfeiffer, 1839)
- Species Planorbis megastoma De Kay, 1843 accepted as Planorbella trivolvis (Say, 1817)
- Species Planorbis megistus Bourguignat, 1870 accepted as Planorbarius corneus (Linnaeus, 1758)
- Species Planorbis melleus Lutz, 1918 accepted as Drepanotrema lucidum (L. Pfeiffer, 1839)
- Species Planorbis membranaceus Gredler, 1884
- Species Planorbis mendipensis C. Moore, 1867 †
- Species Planorbis meniscoides Tate, 1882 accepted as Helicorbis australiensis (E. A. Smith, 1882)
- Species Planorbis meniscus Guppy, 1871
- Species Planorbis merguiensis Hanley & Theobald, 1876 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis meridaensis Preston, 1907 accepted as Biomphalaria prona (E. von Martens, 1873)
- Species Planorbis meridionalis Brazier, 1875 accepted as Gyraulus meridionalis (Brazier, 1875)
- Species Planorbis metidjensis Forbes, 1838 accepted as Planorbarius metidjensis (Forbes, 1838)
- Species Planorbis mexicanus Dunker, 1850 accepted as Planorbella tenuis (Dunker, 1850)
- Species Planorbis mica Westerlund, 1883 accepted as Polypylis nitidella (E. von Martens, 1877)
- Species Planorbis micromphalus T. Fuchs, 1870 † accepted as Gyraulus micromphalus (T. Fuchs, 1870) †
- Species Planorbis microstatus Bourguignat, 1881 † accepted as Bathyomphalus microstatus (Bourguignat, 1881) †
- Species Planorbis minutus Ping, 1931 †
- Species Planorbis minutus de Serres, 1829 † accepted as Valvata faujasii Dumas, 1876 †
- Species Planorbis misellus Morelet, 1867 accepted as Hovorbis coretus (Blainville, 1826)
- Species Planorbis modicus H. Adams & A. Adams, 1855 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis molino Pilsbry, 1939 † accepted as Biomphalaria molino (Pilsbry, 1939) †
- Species Planorbis monceti Bourguignat, 1890
- Species Planorbis monserratensis Hartt, 1870 † accepted as Biomphalaria monserratensis (Hartt, 1870) †
- Species Planorbis montanus A. d'Orbigny, 1835 accepted as Biomphalaria andecola (A. d'Orbigny, 1835)
- Species Planorbis montgazoniana (Bourguignat, 1882) accepted as Segmentina montgazoniana Bourguignat, 1882
- Species Planorbis montrouzieri Gassies, 1863 accepted as Gyraulus montrouzieri (Gassies, 1863)
- Species Planorbis moquini Requien, 1848
- Species Planorbis morletianus Crosse, 1888 accepted as Planorbis planorbis (Linnaeus, 1758)
- Species Planorbis multiformis (Potiez & Michaud, 1838) † accepted as Gyraulus (Gyraulus) trochiformis (Stahl, 1824) †
- Species Planorbis multilineatus Vanatta, 1899 accepted as Menetus opercularis (A. Gould, 1847)
- Species Planorbis multivolvis Case, 1847 accepted as Planorbella multivolvis (Case, 1847)
- Species Planorbis muzzolonicus Oppenheim, 1895 † accepted as Hippeutis muzzolonicus (Oppenheim, 1895) †
- Species Planorbis mysarus Mabille, 1895 accepted as Planorbella tenuis (Dunker, 1850)
- Species Planorbis nairobiensis Dautzenberg, 1908 accepted as Biomphalaria pfeifferi (Krauss, 1848)
- Species Planorbis natalensis Krauss, 1848 accepted as Afrogyrorbis natalensis (Krauss, 1848)
- Species Planorbis nautileus (Linnaeus, 1767) accepted as Armiger crista (Linnaeus, 1758)
- Species Planorbis nebrascensis J. Evans & Shumard, 1856 † accepted as Menetus nebrascensis (J. Evans & Shumard, 1856) †
- Species Planorbis nedici Brusina, 1902 † accepted as Gyraulus nedici (Brusina, 1902) †
- Species Planorbis nematophorus Brusina, 1902 † accepted as Gyraulus (Gyraulus) nematophorus (Brusina, 1902) †
- Species Planorbis neumayri Sturany, 1899
- Species Planorbis newberryi I. Lea, 1858 accepted as Helisoma newberryi (I. Lea, 1858)
- Species Planorbis nicaraguanus Morelet, 1851 accepted as Biomphalaria nicaraguana (Morelet, 1851)
- Species Planorbis nigellus Lutz, 1918 accepted as Drepanotrema anatinum (A. d'Orbigny, 1835)
- Species Planorbis nigricans Spix, 1827 accepted as Planorbella nigricans (Spix, 1827)
- Species Planorbis niloticus W. Innes, 1884
- Species Planorbis nisseanus Pavlović, 1931 † accepted as Gyraulus nisseanus (Pavlović, 1931) †
- Species Planorbis nitidellus E. von Martens, 1877 accepted as Polypylis nitidella (E. von Martens, 1877)
- Species Planorbis nitidiformis Gobanz, 1854 † accepted as Segmentina lartetii (Noulet, 1854) †
- Species Planorbis nitidulus Lamarck, 1804 † accepted as Anomalorbina nitidula (Lamarck, 1804) †
- Species Planorbis nitidulus Dunker, 1848
- Species Planorbis nitidus O. F. Müller, 1774 accepted as Segmentina nitida (O. F. Müller, 1774)
- Species Planorbis noronhensis E. A. Smith, 1890 accepted as Drepanotrema depressissimum (Moricand, 1839)
- Species Planorbis novaki Brusina, 1897 † accepted as Gyraulus (Gyraulus) novaki (Brusina, 1897) †
- Species Planorbis nubianus L. R. Cox, 1933 †
- Species Planorbis numulus Held, 1837
- Species Planorbis nusici Pavlović, 1903 † accepted as Gyraulus (Gyraulus) nusici (Pavlović, 1903) †
- Species Planorbis obesus W. H. Baily, 1858 † accepted as Bathyomphalus obesus (W. H. Baily, 1858) †
- Species Planorbis obliquus De Kay, 1843 accepted as Gyraulus deflectus (Say, 1824)
- Species Planorbis obstructus Morelet, 1849 accepted as Biomphalaria obstructa (Morelet, 1849)
- Species Planorbis obtusus J. Sowerby, 1816 † accepted as Hippeutis obtusus (J. Sowerby, 1816) †
- Species Planorbis olivaceus Spix, 1827 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis omalus Bourguignat, 1881 † accepted as Anisus (Disculifer) omalus (Bourguignat, 1881) †
- Species Planorbis oncostomus Brusina, 1902 † accepted as Gyraulus (Gyraulus) oncostomus (Brusina, 1902) †
- Species Planorbis opercularis A. Gould, 1847 accepted as Menetus opercularis (A. Gould, 1847)
- Species Planorbis ophis Dall, 1913 † accepted as Planorbella ophis (Dall, 1913) †
- Species Planorbis orbiculus Morelet, 1849 accepted as Biomphalaria orbicula (Morelet, 1849)
- Species Planorbis oregonensis Tryon, 1865 accepted as Planorbella oregonensis (Tryon, 1865)
- Species Planorbis orientalis Deshayes, 1838 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis oxystoma Klein, 1846 † accepted as Gyraulus oxystoma (Klein, 1846) †
- Species Planorbis pabloanus J. G. Cooper, 1894 †
- Species Planorbis pachychilus Brusina, 1902 † accepted as Gyraulus (Gyraulus) pachychilus (Brusina, 1902) †
- Species Planorbis paciacensis Deshayes, 1863 † accepted as Headonia paciacensis (Deshayes, 1863) †
- Species Planorbis paeteli Jickeli, 1874
- Species Planorbis paladilhi Moitessier, 1867 accepted as Armiger crista (Linnaeus, 1758)
- Species Planorbis pallidus C. B. Adams, 1846 accepted as Biomphalaria pallida (C. B. Adams, 1846)
- Species Planorbis panamensis Dunker, 1848 accepted as Biomphalaria panamensis (Dunker, 1848)
- Species Planorbis pankongensis E. von Martens, 1882 accepted as Gyraulus pankongensis (E. von Martens, 1882)
- Species Planorbis papyraceus W. H. Benson, 1842 accepted as Helicorbis papyraceus (W. H. Benson, 1842)
- Species Planorbis paralellus Say, 1821 accepted as Helicodiscus parallelus (Say, 1821)
- Species Planorbis paropseides A. d'Orbigny, 1835 accepted as Drepanotrema limayanum (R. P. Lesson, 1831)
- Species Planorbis parvulus Lörenthey, 1906 † accepted as Gyraulus (Gyraulus) parvulus (Lörenthey, 1906) †
- Species Planorbis parvus Say, 1817 accepted as Gyraulus parvus (Say, 1817)
- Species Planorbis patella F. Sandberger, 1871 † accepted as Hippeutis patella (F. Sandberger, 1871) †
- Species Planorbis paucivolvis Whiteaves, 1885 †
- Species Planorbis pavlovici Brusina, 1893 † accepted as Gyraulus pavlovici (Brusina, 1893) †
- Species Planorbis paysanduensis W. B. Marshall, 1930
- Species Planorbis pebasana Conrad, 1874 †
- Species Planorbis pellisanguinea Röding, 1798 accepted as Solaropsis undata ([Lightfoot], 1786)
- Species Planorbis pellucidus Röding, 1798
- Species Planorbis penchinati Bourguignat, 1870 accepted as Planorbarius corneus (Linnaeus, 1758)
- Species Planorbis peregrinus A. d'Orbigny, 1835 accepted as Biomphalaria peregrina (A. d'Orbigny, 1835)
- Species Planorbis perforatus G. B. Sowerby II, 1877
- Species Planorbis perforatus Anton, 1838
- Species Planorbis persicus Ancey, 1900 accepted as Planorbis intermixtus Mousson, 1874
- Species Planorbis peruvianus Broderip, 1832 accepted as Helisoma peruvianum (Broderip, 1832)
- Species Planorbis peruzzii De Stefani, 1880 † accepted as Gyraulus peruzzii (De Stefani, 1880) †
- Species Planorbis petenensis Morelet, 1851 accepted as Biomphalaria petenensis (Morelet, 1851)
- Species Planorbis petrovici Pavlović, 1931 † accepted as Gyraulus pavlovici (Brusina, 1893) †
- Species Planorbis pfeifferi Krauss, 1848 accepted as Biomphalaria pfeifferi (Krauss, 1848)
- Species Planorbis phacecercus Brusina, 1902 † accepted as Gyraulus (Gyraulus) phacecercus (Brusina, 1902) †
- Species Planorbis philippei Locard, 1883 † accepted as Planorbarius philippei (Locard, 1883) †
- Species Planorbis philippianus Monterosato, 1902 accepted as Planorbis philippii Germain, 1918
- Species Planorbis philippianus Dunker, 1848
- Species Planorbis philippii Germain, 1918
- Species Planorbis piscinarum Bourguignat, 1852 accepted as Gyraulus piscinarum (Bourguignat, 1852)
- Species Planorbis planissimus Clessin, 1885 accepted as Gyraulus gilberti (Dunker, 1848)
- Species Planorbis planoconvexus Meek & Hayden, 1860 †
- Species Planorbis planorbis (Linnaeus, 1758)
- Species Planorbis planulatus de Serres, 1844 † accepted as Planorbarius ammonitiformis (de Serres, 1844) †
- Species Planorbis planulatus W. Cooper, 1860 accepted as Menetus opercularis (A. Gould, 1847)
- Species Planorbis planulatus Deshayes, 1825 † accepted as Hippeutis inflatus planulatus (Deshayes, 1825) †
- Species Planorbis platystoma F. E. Edwards, 1852 † accepted as Headonia goniobasis (F. Sandberger, 1871) †
- Species Planorbis platystoma Klein, 1853 † accepted as Planorbarius mantelli (Dunker, 1848) †
- Species Planorbis pleiopleurus G. D. Hanna, 1923 † accepted as Gyraulus pleiopleurus (G. D. Hanna, 1923) †
- Species Planorbis plenus G. D. Hanna, 1923 †
- Species Planorbis poeyanus Clessin, 1884 accepted as Drepanotrema cimex (Moricand, 1838)
- Species Planorbis polycymus Fontannes, 1884 † accepted as Gyraulus polycymus (Fontannes, 1884) †
- Species Planorbis pompholycodes F. Sandberger, 1872 † accepted as Gyraulus deflexus (F. Sandberger, 1858) †
- Species Planorbis ponticus Lörenthey, 1893 † accepted as Gyraulus ponticus (Lörenthey, 1893) †
- Species Planorbis popovici Pavlović, 1927 † accepted as Gyraulus popovici (Pavlović, 1927) †
- Species Planorbis porcellanea Lörenthey, 1902 † accepted as Gyraulus (Gyraulus) porcellaneus (Lörenthey, 1902) †
- Species Planorbis praecorneus P. Fischer & Tournouër, 1873 † accepted as Planorbarius praecorneus (P. Fischer & Tournouër, 1873) †
- Species Planorbis praecursoris C. A. White, 1895 † accepted as Valvata praecursoris (C. A. White, 1895) †
- Species Planorbis praeponticus Gorjanović-Kramberger, 1890 † accepted as Gyraulus (Gyraulus) praeponticus (Gorjanović-Kramberger, 1890) †
- Species Planorbis preglabratus W. B. Marshall, 1926 † accepted as Planorbella duryi preglabratus (W. B. Marshall, 1926) †
- Species Planorbis presbensis Sturany, 1894
- Species Planorbis prevostinus Brongniart, 1810 †
- Species Planorbis primaevus Noulet, 1854 †
- Species Planorbis prochylostoma W. Innes, 1884
- Species Planorbis proclivis E. von Martens, 1897 accepted as Gyraulus proclivis (E. von Martens, 1897)
- Species Planorbis procumbens Volkova, 1939 †
- Species Planorbis prominens de Serres, 1818 †
- Species Planorbis pronus E. von Martens, 1873 accepted as Biomphalaria prona (E. von Martens, 1873)
- Species Planorbis propinquus Mousson, 1859
- Species Planorbis propinquus E. von Martens, 1867
- Species Planorbis pseudammonius [sic] † accepted as Headonia pseudoammonia (Schlotheim, 1820) †
- Species Planorbis pseudorotundatus Matheron, 1843 † accepted as Headonia pseudorotundata (Matheron, 1843) †
- Species Planorbis pseudotrivolvis F. C. Baker, 1920 accepted as Planorbella pseudotrivolvis (F. C. Baker, 1920)
- Species Planorbis ptychophorus [sic] † accepted as Gyraulus ptycophorus (Brusina, 1892) †
- Species Planorbis ptychostomus Brusina, 1902 † accepted as Gyraulus (Gyraulus) ptychostomus (Brusina, 1902) †
- Species Planorbis ptycophorus Brusina, 1892 † accepted as Gyraulus ptycophorus (Brusina, 1892) †
- Species Planorbis pucaraensis Preston, 1909 accepted as Biomphalaria peregrina (A. d'Orbigny, 1835)
- Species Planorbis pulchellus W. Innes, 1884
- Species Planorbis pulici Brusina, 1897 † accepted as Gyraulus pulici (Brusina, 1897) †
- Species Planorbis purpura O. F. Müller, 1774 accepted as Planorbarius corneus (Linnaeus, 1758)
- Species Planorbis purus E. von Martens, 1868
- Species Planorbis pygmaeus Deshayes, 1863 † accepted as Menetus pygmaeus (Deshayes, 1863) †
- Species Planorbis quadruus Ludwig, 1865 † accepted as Planorbarius cornu (Brongniart, 1810) †
- Species Planorbis radigueli Bourguignat, 1869 †
- Species Planorbis radmanesti T. Fuchs, 1870 † accepted as Fuchsogyra radmanesti (T. Fuchs, 1870) †
- Species Planorbis raimondi R. A. Philippi, 1869 accepted as Biomphalaria raimondi (R. A. Philippi, 1869)
- Species Planorbis refulgens Dunker, 1853
- Species Planorbis regularis de Serres, 1818 †
- Species Planorbis regularis I. Lea, 1841 accepted as Planorbella trivolvis (Say, 1817)
- Species Planorbis reissi Mousson, 1872 accepted as Gyraulus clymene (Shuttleworth, 1852)
- Species Planorbis renei Castro, 1887
- Species Planorbis ressmanianus Westerlund, 1875 accepted as Anisus ressmanianus (Westerlund, 1875)
- Species Planorbis retusus Morelet, 1849 accepted as Biomphalaria retusa (Morelet, 1849)
- Species Planorbis reussi M. Hörnes, 1856 † accepted as Aegopinella reussi (M. Hörnes, 1856) †
- Species Planorbis rhytidophorus Brusina, 1902 † accepted as Gyraulus rhytidophorus (Brusina, 1902) †
- Species Planorbis rillyensis Bayan, 1870 † accepted as Headonia rillyensis (Bayan, 1870) †
- Species Planorbis riparius Westerlund, 1865 accepted as Gyraulus riparius (Westerlund, 1865)
- Species Planorbis riquetianus Noulet, 1854 † accepted as Biomphalaria pseudoammonia pseudoammonia (Schlotheim, 1820) †
- Species Planorbis rodriguezensis Crosse, 1873 accepted as Hovorbis rodriguezensis (Crosse, 1873)
- Species Planorbis roemeri Achepohl, 1883 †
- Species Planorbis rollandi Morlet, 1881
- Species Planorbis romani Jodot, 1958 † accepted as Planorbarius romani (Jodot, 1958) †
- Species Planorbis rosai Castro, 1887
- Species Planorbis roshkai Prysjazhnjuk & Kovalenko, 1986 †
- Species Planorbis rossiteri Crosse, 1871 accepted as Gyraulus rossiteri (Crosse, 1871)
- Species Planorbis rossmaessleri Auerswald, 1852 accepted as Gyraulus rossmaessleri (Auerswald, 1852)
- Species Planorbis rotella Rousseau, 1842 † accepted as Gyraulus (Gyraulus) rotella (Rousseau, 1842) †
- Species Planorbis rotula W. H. Benson, 1850 accepted as Gyraulus rotula (W. H. Benson, 1850)
- Species Planorbis rotundatus Brongniart, 1810 † accepted as Headonia goniobasis (F. Sandberger, 1871) †
- Species Planorbis rotundatus Poiret, 1801
- Species Planorbis rousianus Noulet, 1854 † accepted as Anisus rousianus (Noulet, 1854) †
- Species Planorbis rouvillei Matheron, 1868 † accepted as Hippeutis rouvillei (Matheron, 1868) †
- Species Planorbis rouvillei Fontannes, 1884 † accepted as Planorbarius landonensis (Dollfus, 1906) †
- Species Planorbis rouxi Noulet, 1863 † accepted as Hippeutis rouxi (Noulet, 1863) †
- Species Planorbis rubellus Sterki, 1894 accepted as Promenetus exacuous (Say, 1821)
- Species Planorbis rueppellii Dunker, 1848 accepted as Biomphalaria pfeifferi (Krauss, 1848)
- Species Planorbis ruppellii Dunker, 1848 accepted as Biomphalaria pfeifferi (Krauss, 1848)
- Species Planorbis sabljari Brusina, 1892 † accepted as Gyraulus sabljari (Brusina, 1892) †
- Species Planorbis sagoensis Bullen, 1906
- Species Planorbis saigonensis Crosse & P. Fischer, 1863 accepted as Gyraulus convexiusculus (T. Hutton, 1849)
- Species Planorbis salinarum Morelet, 1867 accepted as Biomphalaria salinarum (Morelet, 1867)
- Species Planorbis salleanus Dunker, 1853
- Species Planorbis sampsoni Ancey, 1885 accepted as Menetus sampsoni (Ancey, 1885)
- Species Planorbis sandbergeri Brusina, 1893 † accepted as Segmentina sandbergeri (Brusina, 1893) †
- Species Planorbis sansaniensis Noulet, 1854 † accepted as Planorbarius sansaniensis (Noulet, 1854) †
- Species Planorbis sarasinorum Bollinger, 1914 accepted as Anisus sarasinorum (Bollinger, 1914)
- Species Planorbis savignyanus W. Innes, 1884
- Species Planorbis scalaris (J. C. Jay, 1839) accepted as Planorbella scalaris (J. C. Jay, 1839)
- Species Planorbis schlueteri Achepohl, 1883 †
- Species Planorbis schrammi Crosse, 1864 accepted as Biomphalaria schrammi (Crosse, 1864)
- Species Planorbis schulzianus Dunker, 1853 † accepted as Anomalorbina schulziana (Dunker, 1853) †
- Species Planorbis schweinfurthi W. Innes, 1884
- Species Planorbis scottiana R. M. Johnston, 1879 accepted as Gyraulus scottianus (R. M. Johnston, 1879)
- Species Planorbis septemgyratus Rossmässler, 1835 accepted as Anisus septemgyratus (Rossmässler, 1835)
- Species Planorbis sericeus Dunker, 1848 accepted as Biomphalaria sericea (Dunker, 1848)
- Species Planorbis serpentinus Röding, 1798
- Species Planorbis sibiricus Dunker, 1848
- Species Planorbis sieversi Mousson, 1873
- Species Planorbis siliceus Eichwald, 1830 †
- Species Planorbis siliceus L. R. Cox, 1933 † accepted as Planorbis berberensis L. R. Cox, 1934 †
- Species Planorbis siliceus A. P. Brown & Pilsbry, 1914 † accepted as Planorbis amosbrowni Pilsbry, 1930 †
- Species Planorbis similaris F. C. Baker, 1919 accepted as Gyraulus parvus (Say, 1817)
- Species Planorbis similis O. F. Müller, 1774 accepted as Planorbarius corneus (Linnaeus, 1758)
- Species Planorbis similis A. Férussac, 1812 † accepted as Headonia goniobasis (F. Sandberger, 1871) †
- Species Planorbis similis F. C. Baker, 1919 accepted as Gyraulus parvus (Say, 1817)
- Species Planorbis similis M. Bielz, 1851 accepted as Planorbarius corneus (Linnaeus, 1758)
- Species Planorbis simpliculus Dautzenberg, 1895 accepted as Anisus (Anisus) crassilabrum (Morelet, 1860)
- Species Planorbis sindicus W. H. Benson, 1850 accepted as Trochorbis trochoideus (W. H. Benson, 1836)
- Species Planorbis sinensis Odhner, 1922 † accepted as Sinoplanorbis sinensis (Odhner, 1922) †
- Species Planorbis sinuosus Bonnet, 1864
- Species Planorbis sivalensis Clessin, 1884 accepted as Gyraulus sivalensis (Clessin, 1884)
- Species Planorbis skhiadicus Bukowski, 1896 † accepted as Gyraulus doricus (Bukowski, 1896) †
- Species Planorbis socotrensis Godwin-Austen, 1883 accepted as Afrogyrorbis socotrensis (Godwin-Austen, 1883)
- Species Planorbis solenoides [sic] † accepted as Gyraulus solenoeides (Lörenthey, 1902) †
- Species Planorbis solidus Thomä, 1845 † accepted as Planorbarius solidus (Thomä, 1845) †
- Species Planorbis solidus Dunker, 1850
- Species Planorbis sowerbyi Bronn, 1838 † accepted as Hippeutis sowerbyi (Bronn, 1838) †
- Species Planorbis sparnacensis Deshayes, 1825 † accepted as Headonia sparnacensis (Deshayes, 1825) †
- Species Planorbis spectabilis Meek, 1860 † accepted as Biomphalaria spectabilis (Meek, 1860) †
- Species Planorbis spenceri G. B. Sowerby II, 1877
- Species Planorbis sperabilis Preston, 1912 accepted as Ceratophallus natalensis (Krauss, 1848)
- Species Planorbis sphaeriolaenus Bourguignat, 1881 † accepted as Gyraulus goussardianus (Noulet, 1854) †
- Species Planorbis spirillus A. Gould, 1859 accepted as Gyraulus spirillus (A. Gould, 1859)
- Species Planorbis spirorbis (Linnaeus, 1758) accepted as Anisus spirorbis (Linnaeus, 1758)
- Species Planorbis spiruloides Deshayes, 1863 † accepted as Menetus spiruloides (Deshayes, 1863) †
- Species Planorbis spissus Cossmann, 1907 †
- Species Planorbis splendidus Anton, 1838
- Species Planorbis spratti E. Forbes, 1845 † accepted as Gyraulus spratti (E. Forbes, 1845) †
- Species Planorbis spretus Noulet, 1868 † accepted as Gyraulus spretus (Noulet, 1868) †
- Species Planorbis stagnicola Morelet, 1851
- Species Planorbis stanleyi E. A. Smith, 1888 accepted as Biomphalaria stanleyi (E. A. Smith, 1888)
- Species Planorbis starobogatovi Popova, 1968 †
- Species Planorbis stelmachoetius Bourguignat, 1860 accepted as Anisus (Gyraulus) stelmachoetius (Bourguignat, 1860)
- Species Planorbis stelzneri Dohrn, 1858 accepted as Gyraulus convexiusculus (T. Hutton, 1849)
- Species Planorbis stenocyclotus Fontannes, 1884 † accepted as Gyraulus stenocyclotus (Fontannes, 1884) †
- Species Planorbis stenomphalus Brusina, 1902 † accepted as Segmentina stenomphalus (Brusina, 1902) †
- Species Planorbis stenostoma Bourguignat, 1882 accepted as Planorbarius grandis (Dunker, 1850)
- Species Planorbis stewarti Germain, 1909
- Species Planorbis stoppanii Sacco, 1886 † accepted as Gyraulus (Gyraulus) stoppanii (Sacco, 1886) †
- Species Planorbis storchi L. S. Russell, 1931 † accepted as Biomphalaria storchi (L. S. Russell, 1931) †
- Species Planorbis stossichi Clessin, 1878 accepted as Hippeutis stossichi (Clessin, 1881)
- Species Planorbis stramineus Dunker, 1848 accepted as Biomphalaria straminea (Dunker, 1848)
- Species Planorbis strauchianus Clessin, 1884 accepted as Anisus strauchianus (Clessin, 1884)
- Species Planorbis striatus de Serres, 1851 †
- Species Planorbis striatus Brusina, 1878 † accepted as Gyraulus multicingulatus Wenz, 1919 †
- Species Planorbis striatus Anton, 1838
- Species Planorbis subangulatus Lamarck, 1804 † accepted as Anomalorbina subangulata (Lamarck, 1804) †
- Species Planorbis subangulatus R. A. Philippi, 1844 accepted as Planorbis philippii Germain, 1918
- Species Planorbis subcingulatus Matheron, 1843 † accepted as Headonia subcingulata (Matheron, 1843) †
- Species Planorbis subcrenatus P. P. Carpenter, 1857 accepted as Planorbella subcrenata (P. P. Carpenter, 1857)
- Species Planorbis subdealbatus Rzehak, 1893 † accepted as Gyraulus (Gyraulus) trochiformis dealbatus (A. Braun, 1851) †
- Species Planorbis subhemistoma A. d'Orbigny, 1852 † accepted as Gyraulus subhemistoma (A. d'Orbigny, 1852) †
- Species Planorbis submarginatus P. Fischer, 1866 † accepted as Planorbis fischeri Wenz, 1919 †
- Species Planorbis subovatus Deshayes, 1825 † accepted as Biomphalaria subovata (Deshayes, 1825) †
- Species Planorbis subprocumbens A. A. Ali-Zade & Kabakova, 1969 †
- Species Planorbis subpronus E. von Martens, 1898
- Species Planorbis subptychophorus Halaváts, 1902 † accepted as Armiger subptychophorus (Halaváts, 1902) †
- Species Planorbis subsalinarum W. Innes, 1884
- Species Planorbis subteres F. Sandberger, 1872 † accepted as Planorbarius cornu (Brongniart, 1810) †
- Species Planorbis subumbilicata Meek & Hayden, 1856 † accepted as Valvata subumbilicata (Meek & Hayden, 1856) †
- Species Planorbis subverticillus Oppenheim, 1919 † accepted as Gyraulus (Gyraulus) subverticillus (Oppenheim, 1919) †
- Species Planorbis sudanicus E. von Martens, 1870 accepted as Biomphalaria sudanica (E. von Martens, 1870)
- Species Planorbis sulekianus Brusina, 1874 † accepted as Planorbarius sulekianus (Brusina, 1874) †
- Species Planorbis sumatranus E. von Martens, 1897 accepted as Gyraulus sumatranus (E. von Martens, 1897)
- Species Planorbis sumichrasti Crosse & P. Fischer, 1879 accepted as Drepanotrema sumichrasti (Crosse & P. Fischer, 1879)
- Species Planorbis surinamensis Clessin, 1884 accepted as Drepanotrema surinamense (Clessin, 1884)
- Species Planorbis symmetrus Ludwig, 1865 † accepted as Valvata (Valvata) symmetra (Ludwig, 1865) †
- Species Planorbis tachygyrus W. Innes, 1884
- Species Planorbis taeniatus Morelet, 1849 accepted as Planorbis lanierianus A. d'Orbigny, 1841
- Species Planorbis tampaensis Dall, 1915 †
- Species Planorbis tancredii Paravicini, 1894 accepted as Drepanotrema depressissimum (Moricand, 1839)
- Species Planorbis tanganikanus Bourguignat, 1888
- Species Planorbis tangitarensis Germain, 1918
- Species Planorbis tanquerelianus W. Innes, 1884
- Species Planorbis tasmanicus Tenison Woods, 1876 accepted as Gyraulus meridionalis (Brazier, 1875)
- Species Planorbis telaeus Bourguignat, 1881 † accepted as Planorbarius sansaniensis (Noulet, 1854) †
- Species Planorbis tenagophilus A. d'Orbigny, 1835 accepted as Biomphalaria tenagophila (A. d'Orbigny, 1835)
- Species Planorbis tenerrimus M. Bielz, 1851 accepted as Planorbis carinatus O. F. Müller, 1774
- Species Planorbis tenuis T. Fuchs, 1870 † accepted as Marinescugyra tenuis (T. Fuchs, 1870) †
- Species Planorbis tenuis Dunker, 1850 accepted as Planorbella tenuis (Dunker, 1850)
- Species Planorbis tenuistriatus Gorjanović-Kramberger, 1899 † accepted as Gyraulus (Gyraulus) tenuistriatus (Gorjanović-Kramberger, 1899) †
- Species Planorbis tenuistriatus Lörenthey, 1906 † accepted as Gyraulus oecsensis Wenz, 1919 †
- Species Planorbis tenuivolvis Meek & Hayden, 1857 †
- Species Planorbis tepicensis E. von Martens, 1898
- Species Planorbis terverianus A. d'Orbigny, 1841 accepted as Biomphalaria havanensis (L. Pfeiffer, 1839)
- Species Planorbis terversanus [sic] accepted as Planorbis terverianus A. d'Orbigny, 1841
- Species Planorbis tetracarinatus Pavlović, 1903 † accepted as Gyraulus (Gyraulus) tetracarinatus (Pavlović, 1903) †
- Species Planorbis tetragonostoma Germain, 1904
- Species Planorbis thermalis Westerlund, 1885 accepted as Gyraulus laevis (Alder, 1838)
- Species Planorbis thibetanus Deshayes, 1870
- Species Planorbis thiollierei [sic] † accepted as Planorbarius thiollieri (Michaud, 1855) †
- Species Planorbis thiollieri Michaud, 1855 † accepted as Planorbarius thiollieri (Michaud, 1855) †
- Species Planorbis tiberii De Stefani, 1883
- Species Planorbis tondanensis Quoy & Gaimard, 1832
- Species Planorbis tournoueri Locard, 1883 † accepted as Coretus cornu heriacensis (Fontannes, 1876) †
- Species Planorbis transsylvanicus Neumayr, 1875 † accepted as Gyraulus transsylvanicus (Neumayr, 1875) †
- Species Planorbis transylvanicus [sic] † accepted as Gyraulus transsylvanicus (Neumayr, 1875) †
- Species Planorbis traski I. Lea, 1856 accepted as Planorbis traskii I. Lea, 1856
- Species Planorbis traskii I. Lea, 1856 accepted as Planorbella traskii (I. Lea, 1856)
- Species Planorbis tressinensis Oppenheim, 1890 † accepted as Gyraulus tressinensis (Oppenheim, 1890) †
- Species Planorbis trigyrus R. A. Philippi, 1869 accepted as Biomphalaria trigyra (R. A. Philippi, 1869)
- Species Planorbis trivialis Morelet, 1860 accepted as Hovorbis crassilabrum (Morelet, 1860)
- Species Planorbis trivolvis Say, 1817 accepted as Planorbella trivolvis (Say, 1817)
- Species Planorbis trochoideus W. H. Benson, 1836 accepted as Trochorbis trochoideus (W. H. Benson, 1836)
- Species Planorbis tropis F. E. Edwards, 1852 † accepted as Menetus tropis (F. E. Edwards, 1852) †
- Species Planorbis truncatocarinatus Pavlović, 1931 † accepted as Gyraulus nisseanus (Pavlović, 1931) †
- Species Planorbis truncatoconicus †
- Species Planorbis truncatus Miles, 1861 accepted as Planorbella truncata (Miles, 1861)
- Species Planorbis tumens P. P. Carpenter, 1857 accepted as Planorbella tenuis (Dunker, 1850)
- Species Planorbis tumidus L. Pfeiffer, 1839
- Species Planorbis tungurensis Ping, 1931 †
- Species Planorbis turbinellus Tapparone Canefri, 1883 accepted as Gyraulus convexiusculus (T. Hutton, 1849)
- Species Planorbis turkovici Gorjanović-Kramberger, 1899 † accepted as Planorbarius turkovici (Gorjanović-Kramberger, 1899) †
- Species Planorbis turritus O. F. Müller, 1774 accepted as Aplexa hypnorum (Linnaeus, 1758)
- Species Planorbis uliginosus Vanatta, 1911 accepted as Micromenetus dilatatus (A. Gould, 1841)
- Species Planorbis umbilicalis W. H. Benson, 1836 accepted as Helicorbis umbilicalis (W. H. Benson, 1836)
- Species Planorbis umbilicatellus T. D. A. Cockerell, 1887 accepted as Promenetus umbilicatellus (T. D. A. Cockerell, 1887)
- Species Planorbis umbilicatus O. F. Müller, 1774 accepted as Planorbis planorbis (Linnaeus, 1758)
- Species Planorbis umbilicatus J. W. Taylor, 1885 accepted as Promenetus umbilicatellus (T. D. A. Cockerell, 1887)
- Species Planorbis umbilicatus Anton, 1838
- Species Planorbis ungeri Reuss, 1849 † accepted as Hippeutis ungeri (Reuss, 1849) †
- Species Planorbis ungulinus (Linnaeus, 1758) accepted as Chloritis ungulina (Linnaeus, 1758)
- Species Planorbis uruguayensis Preston, 1912 accepted as Drepanotrema heloicum (A. d'Orbigny, 1835)
- Species Planorbis utahensis Meek, 1860 † accepted as Biomphalaria utahensis (Meek, 1860) †
- Species Planorbis vanvlecki Arnold, 1909 † accepted as Planorbifex vanvlecki (Arnold, 1909) †
- Species Planorbis varians T. Fuchs, 1870 † accepted as Marinescugyra varians (T. Fuchs, 1870) †
- Species Planorbis vasseuri Roman, 1904 † accepted as Headonia castrensis (Noulet, 1854) †
- Species Planorbis vermicularis Stoliczka, 1862 † accepted as Gyraulus sauerzopfi Neubauer, Kroh, Harzhauser, Georgopoulou & Mandic, 2015 †
- Species Planorbis vermicularis A. Gould, 1847 accepted as Gyraulus vermicularis (A. Gould, 1847)
- Species Planorbis vermicularis G. B. Sowerby II, 1877
- Species Planorbis verticilioides [sic] † accepted as Planorbis verticilloides Pavlović, 1931 †
- Species Planorbis verticilloides Pavlović, 1931 † accepted as Gyraulus verticilloides (Pavlović, 1931) †
- Species Planorbis verticilloides de Serres, 1851 †
- Species Planorbis verticillus Brusina, 1892 † accepted as Gyraulus verticillus (Brusina, 1892) †
- Species Planorbis verus Röding, 1798
- Species Planorbis veternus Meek & Hayden, 1865 † accepted as Gyraulus veternus (Meek & Hayden, 1865) †
- Species Planorbis vetulus Meek & Hayden, 1860 † accepted as Menetus vetulus (Meek & Hayden, 1860) †
- Species Planorbis vetustus [sic] † accepted as Planorbis vetulus Meek & Hayden, 1860 †
- Species Planorbis vezici Brusina, 1897 † accepted as Planorbarius vezici (Brusina, 1897) †
- Species Planorbis vialai Saporta, 1889 † accepted as Planorbarius vialai (Saporta, 1889) †
- Species Planorbis vicentinus Oppenheim, 1895 † accepted as Hippeutis vicentinus (Oppenheim, 1895) †
- Species Planorbis victoriae E. A. Smith, 1892
- Species Planorbis virgatus Ludwig, 1865 † accepted as Gyraulus (Gyraulus) virgatus (Ludwig, 1865) †
- Species Planorbis viridis Spix, 1827 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis vitojensis Glöer & Pešić, 2010
- Species Planorbis vortex (Linnaeus, 1758) accepted as Anisus vortex (Linnaeus, 1758)
- Species Planorbis vorticinus Gredler, 1887
- Species Planorbis vorticulus Troschel, 1834 accepted as Anisus vorticulus (Troschel, 1834)
- Species Planorbis waterhousei Clessin, 1884 accepted as Gyraulus waterhousei (Clessin, 1884)
- Species Planorbis webbi Firby, 1966 †
- Species Planorbis wheatleyi I. Lea, 1858 accepted as Planorbula armigera (Say, 1821)
- Species Planorbis willcoxii Dall, 1890 †
- Species Planorbis wyldi Tristram, 1861 accepted as Planorbella wyldi (Tristram, 1862)
- Species Planorbis xerampelinus Drouët, 1859 accepted as Biomphalaria glabrata (Say, 1818)
- Species Planorbis youngi Ping, 1931 † accepted as Biomphalaria youngi (Ping, 1931) †
- Species Planorbis yzabalensis Crosse & P. Fischer, 1879 accepted as Drepanotrema anatinum (A. d'Orbigny, 1835)
- Species Planorbis zebrinus Dunker, 1856 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Species Planorbis zhuoxianensis W. Yü & H.-Z. Pan, 1982 †
- Species Planorbis zivkovici Pavlović, 1931 † accepted as Gyraulus nisseanus (Pavlović, 1931) †
- Species Planorbis zonarius (Linnaeus, 1767) accepted as Helix zonaria Linnaeus, 1767
- Species Planorbis zonatus Clessin, 1884 accepted as Indoplanorbis exustus (Deshayes, 1833)
- Genus Polygyrus Gray, 1847 accepted as Bathyomphalus Charpentier, 1837
- Genus Pseudocarinogyraulus Popova & Starobogatov, 1970 † accepted as Anisus (Pseudocarinogyraulus) Popova & Starobogatov, 1970 †
- Genus Ptychospira Slavík, 1869 † accepted as Gyraulus Charpentier, 1837
- Genus Pygmanisus Iredale, 1943 accepted as Gyraulus Charpentier, 1837
- Genus Spiralina E. von Martens, 1899 accepted as Anisus (Disculifer) C. R. Boettger, 1944
- Genus Spirulina [sic] accepted as Spiralina E. von Martens, 1899
- Genus Trochlea Haldeman, 1842 accepted as Gyraulus Charpentier, 1837
- Genus Tropidiscus Stein, 1850 accepted as Planorbis O. F. Müller, 1773
- Genus Valvatomphalus B. Dybowski & Grochmalicki, 1925 accepted as Choanomphalus Gerstfeldt, 1859
- Tribe Segmentinini F. C. Baker, 1945 (77)
- Genus Jaroslavia Zharnyl'skaya, 1965 † accepted as Proplanorbis Starobogatov, 1967 †
- Subfamily Rhodacmeinae B. Walker, 1917 accepted as Ancylini Rafinesque, 1815
- Subfamily Segmentininae F. C. Baker, 1945 accepted as Segmentinini F. C. Baker, 1945
- Genus Hypsogyra Lindholm, 1927 accepted as Planorbella Haldeman, 1843
- Genus Theratodocion D. S. Brown & Verdcourt, 1998 (1)
- Genus Zalophancylus Hannibal, 1912 †
- Family Rhodacmeidae B. Walker, 1917 accepted as Ancylinae Rafinesque, 1815
- Superfamily Planorboidea Rafinesque, 1815 accepted as Lymnaeoidea Rafinesque, 1815
- Superorder Pneumopulmonata
- Superorder Pylopulmonata (4 285)
- Superorder Sacoglossa (391)
- Superorder Siphonarimorpha (163)
- Order Anaspidea accepted as Aplysiida
- Order Aplysiida (101)
- Order Aplysiomorpha accepted as Aplysiida
- Order Archaeopulmonata accepted as Siphonarioidea Gray, 1827
- Order Bullomorpha accepted as Cephalaspidea
- Order Cephalaspidea (1 034)
- Order Heterostropha accepted as Pyramidellidae J. E. Gray, 1840
- Order Pteropoda (414)
- Order Runcinacea accepted as Runcinida
- Order Runcinida (80)
- Order Tectibranchiata
- Order Thecosomata
- Order Umbraculida (15)
- Superorder Euthyneura incertae sedis
- Infraclass Heterobranchia incertae sedis (478)
- Infraclass Mesoneura (108)
- Infraclass Opisthobranchia
- Infraclass Pulmonata
- 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
