Between brackets is the number of accepted species

Click on "-" to collapse/hide all child taxa
Shows the number of accepted species within the taxon
The last expanded taxon is highlighted
Click on "+" to expand/show all child taxa
Click to see the taxon details page
- Mollusca (132 754)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (24 992)
- Class Caudofoveata (143)
- Class Cephalopoda (1 832)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 679)
- Subclass Amphigastropoda † (387)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 623)
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 154)
- Infraclass "Lower Heterobranchia" (1 137)
- Infraclass Euthyneura (37 431)
- Subterclass Acteonimorpha (411)
- Subterclass Ringipleura (2 917)
- Subterclass Tectipleura (34 103)
- Superorder Acochlidiimorpha (48)
- Superorder Ascoglossa accepted as Sacoglossa
- Superorder Basommatophora accepted as Hygrophila
- Superorder Eupulmonata (25 567)
- Superorder Hygrophila (2 005)
- Superorder Pneumopulmonata
- Superorder Pylopulmonata (4 285)
- Superfamily Amphiboloidea Gray, 1840 (13)
- Superfamily Glacidorboidea Ponder, 1986 (23)
- Superfamily Pyramidelloidea J. E. Gray, 1840 (4 249)
- Family Amathinidae Ponder, 1987 (83)
- Family Anisocyclidae van Aartsen, 1995 accepted as Eulimellini Saurin, 1958
- Family Chemnitziidae accepted as Pyramidellidae J. E. Gray, 1840
- Family Heteroneritidae Gründel, 1998 †
- Family Pyramidellidae J. E. Gray, 1840 (4 164)
- Subfamily Cyclostremellinae D. R. Moore, 1966 (2)
- Subfamily Microstellariinae Raven & Moolenbeek, 2024 (1)
- Subfamily Odostomiinae Pelseneer, 1928
- Subfamily Pyramidellinae (33)
- Subfamily Syrnolinae Saurin, 1958
- Subfamily Turbonillinae Bronn, 1849 (1 915)
- Genus Aartsenia Warén, 1991 (8)
- Genus Actaeopyramis P. Fischer, 1885 accepted as Monotygma G. B. Sowerby II, 1839
- Genus Afroturbonilla Peñas, Rolán & Schander, 1999 (3)
- Genus Agatha A. Adams, 1860 (21)
- Genus Amathis A. Adams, 1861 accepted as Agatha A. Adams, 1860 (1)
- Genus Amaura Møller, 1842 accepted as Aartsenia Warén, 1991
- Genus Amoura [sic] accepted as Amaura Møller, 1842
- Genus Anisocycla Monterosato, 1880 accepted as Eulimella Forbes & M'Andrew, 1846 (1)
- Genus Aphalista Laseron, 1959 accepted as Otopleura P. Fischer, 1885
- Genus Auriculina J. E. Gray, 1847 accepted as Ondina de Folin, 1870
- Genus Auristomia Monterosato, 1884 (10)
- Genus Babella Dall & Bartsch, 1906 (23)
- Genus Bacteridium Thiele, 1929 (5)
- Genus Bartrumella Laws, 1940 † (2)
- Genus Besla Dall & Bartsch, 1904 (30)
- Genus Boonea R. Robertson, 1978 (13)
- Genus Brachystomia Monterosato, 1884 (27)
- Genus Bulicingulina Robba, 2013 (1)
- Genus Bulimoscilla Robba, 2013 (3)
- Genus Burkillia Iredale, 1915 accepted as Tragula Monterosato, 1884
- Genus Callolongchaeus Dall, 1903 † accepted as Longchaeus Mörch, 1875
- Genus Carasia Jekelius, 1944 † (2)
- Genus Chrysallida P. P. Carpenter, 1856 (135)
- Genus Cimaria Høisæter, 2012 (1)
- Genus Cinctiuga Laseron, 1951 (1)
- Genus Cingulina A. Adams, 1860 (26)
- Genus Colpostomia Cossmann, 1921 † (1)
- Genus Contraxiala Laseron, 1956 accepted as Pyrgulina A. Adams, 1863
- Genus Cossmannica Dall & Bartsch, 1904 (19)
- Genus Costabieta Laseron, 1956 (5)
- Genus Costosyrnola Laws, 1937 (16)
- Genus Cremula Iredale, 1915 accepted as Liostomia G. O. Sars, 1878
- Genus Cyclodostomia Sacco, 1892 accepted as Odostomia J. Fleming, 1813
- Genus Derjuginella Habe, 1958 (1)
- Genus Digoniaxis Jousseaume, 1889 (1)
- Genus Doliella Monterosato, 1880 (2)
- Genus Dunkeria P. P. Carpenter, 1857 accepted as Turbonilla Risso, 1826 (1)
- Genus Egila Dall & Bartsch, 1904 (9)
- Genus Egilina Dall & Bartsch, 1906 (12)
- Genus Elodia de Folin, 1870 accepted as Parthenina Bucquoy, Dautzenberg & Dollfus, 1883
- Genus Elodiamea de Folin, 1886 accepted as Parthenina Bucquoy, Dautzenberg & Dollfus, 1883 (4)
- Genus Elusa A. Adams, 1861 accepted as Tropaeas Dall & Bartsch, 1904 (1)
- Genus Eulimastoma Bartsch, 1916 (11)
- Genus Euparthenia Thiele, 1929 (4)
- Genus Eupyrgulina Melvill, 1910 accepted as Pyrgulina A. Adams, 1863
- Genus Eurathea Laseron, 1959 (3)
- Genus Evalea A. Adams, 1860 (20)
- Subgenus Evalea (Lacunoptyxis) Cossmann, 1888 † accepted as Ceratia H. Adams & A. Adams, 1852
- Subgenus Evalea (Nisostomia) Cossmann, 1921 † accepted as Ondina de Folin, 1870
- Species Evalea alleryi F. Nordsieck, 1972 accepted as Ondina warreni (W. Thompson, 1845)
- Species Evalea amchitkana (Dall & Bartsch, 1909)
- Species Evalea arcuata (A. Adams, 1860)
- Species Evalea brusinae F. Nordsieck, 1972 accepted as Ondina vitrea (Brusina, 1866)
- Species Evalea carinae van Aartsen & Corgan, 1996
- Species Evalea cossmanniana Le Renard, 1994 † accepted as Ondina cossmanniana (Le Renard, 1994) †
- Species Evalea diaphana (Jeffreys, 1848) accepted as Ondina diaphana (Jeffreys, 1848)
- Species Evalea divisa (J. Adams, 1797) accepted as Ondina divisa (J. Adams, 1797)
- Species Evalea eclecta (Pilsbry, 1918)
- Species Evalea elegans (A. Adams, 1860)
- Species Evalea emeryi (Bartsch, 1955) †
- Species Evalea exigua F. Nordsieck, 1972 accepted as Ondina vitrea (Brusina, 1866)
- Species Evalea fernandina (Bartsch, 1927)
- Species Evalea graciliente Keep, 1888 accepted as Odostomia virginalis Dall & Bartsch, 1909
- Species Evalea grayi (A. Adams, 1860)
- Species Evalea huttoni (Suter, 1908) †
- Species Evalea impolita (F. W. Hutton, 1873)
- Species Evalea liricincta (Suter, 1908)
- Species Evalea obliqua (Alder, 1844) accepted as Ondina obliqua (Alder, 1844)
- Species Evalea obsoleta (Murdoch, 1900) †
- Species Evalea ovalis (A. Adams, 1861)
- Species Evalea peasei (Dautzenberg & Bouge, 1933) accepted as Evalea eclecta (Pilsbry, 1918)
- Species Evalea plana Laws, 1941
- Species Evalea propria Laws, 1941
- Species Evalea pyramis (A. Adams, 1860)
- Species Evalea queenlandica Laseron, 1959 accepted as Styloptygma versicolor (Melvill & Standen, 1897)
- Species Evalea ryclea (Dall, 1927) accepted as Ondina semicingulata (Dall, 1927)
- Species Evalea sabulosa (Suter, 1908)
- Species Evalea scandens (Monterosato, 1884) accepted as Ondina warreni (W. Thompson, 1845)
- Species Evalea spiridionae F. Nordsieck, 1972 accepted as Ondina vitrea (Brusina, 1866)
- Species Evalea stocki De Jong & Coomans, 1988
- Species Evalea subulata F. Nordsieck, 1972 accepted as Ondina warreni (W. Thompson, 1845)
- Species Evalea sulcata (A. Adams, 1860)
- Species Evalea taumakiensis (Suter, 1908)
- Species Evalea waikikiensis (Pilsbry, 1918)
- Species Evalea warreni (W. Thompson, 1845) accepted as Ondina warreni (W. Thompson, 1845)
- Genus Evelynella Laws, 1940 † accepted as Megastomia Monterosato, 1884
- Genus Fargoa Bartsch, 1955 (8)
- Genus Finlayola Laws, 1937 (4)
- Genus Folinella Dall & Bartsch, 1904 (5)
- Genus Funicularia Monterosato, 1884 accepted as Ividella Dall & Bartsch, 1909
- Genus Globostomia L. Hoffman, van Heugten & Lavaleye, 2009 (1)
- Genus Goniodostomia Pilsbry & C. W. Johnson, 1917 † (2)
- Genus Gumina H. J. Finlay, 1928 (2)
- Genus Gurmatia Dance & Eames, 1966 (2)
- Genus Heida Dall, 1903 accepted as Syrnola A. Adams, 1860
- Genus Helodiamea Peñas & Rolán, 2017 (11)
- Genus Herewardia Iredale, 1955 (3)
- Genus Herviera Melvill & Standen, 1899 (3)
- Genus Heteroloxonema Frýda, 2000 † (1)
- Genus Hinemoa W. R. B. Oliver, 1915 accepted as Oscilla A. Adams, 1861
- Genus Houbricka J. B. Wise, 1996 (1)
- Genus Iolaea A. Adams, 1867 (10)
- Genus Iole A. Adams, 1860 accepted as Iolaea A. Adams, 1867
- Genus Ivara Arnold, 1903 (2)
- Genus Ividella Dall & Bartsch, 1909 (12)
- Genus Ividia Dall & Bartsch, 1904 (3)
- Genus Ividiella [sic] accepted as Ividella Dall & Bartsch, 1909
- Genus Jaminea de Folin, 1870 accepted as Pseudoscilla O. Boettger, 1902
- Genus Jaminia T. Brown, 1827 accepted as Parthenina Bucquoy, Dautzenberg & Dollfus, 1883
- Genus Jole [sic] accepted as Iole A. Adams, 1860
- Genus Jordaniella Chaster, 1898 (2)
- Genus Jordanula Chaster, 1901 accepted as Jordaniella Chaster, 1898
- Genus Kejdonia Mifsud, 1999 (1)
- Genus Kongsrudia Lygre & Schander, 2010 (5)
- Genus Kunopia Laseron, 1959 (1)
- Genus Laeviselica Gougerot & Le Renard, 1978 † (1)
- Genus Lafolletteia Landau & Micali, 2021 (2)
- Genus Latavia Laseron, 1951 (2)
- Genus Levipyrgulina Laws, 1941 † (5)
- Genus Lia de Folin, 1873 accepted as Liamorpha Pilsbry, 1898
- Genus Liamorpha Pilsbry, 1898 (5)
- Genus Linopyrga Laws, 1941 (24)
- Genus Liomorpha accepted as Liamorpha Pilsbry, 1898
- Genus Liostomia G. O. Sars, 1878 (15)
- Genus Liotropica Laseron, 1958 accepted as Moerchia A. Adams, 1860
- Genus Locklinia Bartsch, 1955 † (3)
- Genus Lonchaeus [sic] accepted as Longchaeus Mörch, 1875
- Genus Longchaeus Mörch, 1875 (31)
- Genus Macrodontostomia Cossmann, 1921 † accepted as Macrodostomia Sacco, 1892 †
- Genus Macrodostomia Sacco, 1892 † (7)
- Genus Marginodostomia Nomura, 1936 (8)
- Genus Maricarmenia Peñas & Rolán, 2017 (1)
- Genus Megastomia Monterosato, 1884 (96)
- Genus Menesthella Nomura, 1939 (5)
- Genus Menestho Møller, 1842 (27)
- Genus Milda Dall & Bartsch, 1904 (4)
- Genus Miralda A. Adams, 1863 (45)
- Genus Miraldiella Cossmann, 1921 accepted as Pseudoscilla O. Boettger, 1902
- Genus Moerchia A. Adams, 1860 (6)
- Genus Moerchiella Thiele, 1924 accepted as Moerchia A. Adams, 1860
- Genus Moerchinella Thiele, 1931 accepted as Moerchia A. Adams, 1860
- Genus Moesia Jekelius, 1944 † (3)
- Genus Monoptygma Lea, 1833 sensu A. Adams, 1853 accepted as Monotygma G. B. Sowerby II, 1839
- Genus Morchia [sic] accepted as Moerchia A. Adams, 1860
- Genus Mormula A. Adams, 1863 (28)
- Genus Mormulasta Laseron, 1959 (6)
- Genus Morrisonietta Brandt, 1968 (6)
- Genus Mulderia Landau & Micali, 2021 (8)
- Genus Mumiola A. Adams, 1863 (10)
- Genus Myxa Hedley, 1903 (1)
- Genus Nesiodostomia Pilsbry, 1918 (3)
- Genus Nisostomia Cossmann, 1921 † accepted as Ondina de Folin, 1870 (1)
- Genus Noemia de Folin, 1870 accepted as Noemiamea de Folin, 1886
- Genus Noemiamea de Folin, 1886 (10)
- Genus Numaegilina Nomura, 1938 accepted as Babella Dall & Bartsch, 1906
- Genus Obeliscus J. E. Gray, 1847 accepted as Pyramidella Lamarck, 1799
- Genus Obex Laws, 1940 accepted as Obexomia Laws, 1941
- Genus Obexomia Laws, 1941 (2)
- Genus Oda Monterosato, 1901 accepted as Noemiamea de Folin, 1886
- Genus Odetta de Folin, 1870 (11)
- Genus Odontostoma R. A. Philippi, 1853 accepted as Odostomia J. Fleming, 1813
- Genus Odontostomia Jeffreys, 1839 accepted as Odostomia J. Fleming, 1813 (1)
- Genus Odontostomiella Cossmann, 1921 accepted as Odostomella Bucquoy, Dautzenberg & Dollfus, 1883
- Genus Odostomella Bucquoy, Dautzenberg & Dollfus, 1883 (21)
- Genus Odostomia J. Fleming, 1813 (566)
- Genus Ondina de Folin, 1870 (35)
- Genus Oopyramis Thiele, 1930 (1)
- Genus Orina A. Adams, 1870 accepted as Orinella Dall & Bartsch, 1904
- Genus Orinella Dall & Bartsch, 1904 (1)
- Genus Oscilla A. Adams, 1861 (66)
- Genus Otopleura P. Fischer, 1885 (7)
- Genus Ovalina Peñas & Rolán, 2017 (6)
- Genus Paracingulina Nomura, 1936 accepted as Pseudocingulina Nomura, 1936
- Genus Paradoxella Laseron, 1959 (1)
- Genus Paramormula Nomura, 1939 accepted as Turbonilla Risso, 1826
- Genus Paregila Laseron, 1951 accepted as Babella Dall & Bartsch, 1906 (1)
- Genus Parodizia Medina, 1959 (1)
- Genus Parodostomia Laseron, 1959 (8)
- Genus Parthenia R. T. Lowe, 1841 accepted as Euparthenia Thiele, 1929
- Genus Parthenina Bucquoy, Dautzenberg & Dollfus, 1883 (124)
- Genus Partulida Schaufuss, 1869 accepted as Spiralina Chaster, 1898
- Genus Perheida Peñas & Rolán, 2017 (1)
- Genus Peristichia Dall, 1889 (8)
- Genus Perparthenina F. Nordsieck, 1972 accepted as Parthenina Bucquoy, Dautzenberg & Dollfus, 1883
- Genus Petitella J. B. Wise, 1996 accepted as Petitilla J. B. Wise, 1997
- Genus Petitilla J. B. Wise, 1997 (1)
- Genus Pharcidella Dall, 1889 accepted as Longchaeus Mörch, 1875
- Genus Phasianema S. V. Wood, 1842 (5)
- Genus Planipyrgiscus [sic] accepted as Planpyrgiscus Laws, 1937
- Genus Planpyrgiscus Laws, 1937 (3)
- Genus Plotia Röding, 1798 accepted as Pyramidella Lamarck, 1799
- Genus Polemicella Schander, van Aartsen & Corgan, 1999 (5)
- Genus Polyspirella P. P. Carpenter, 1861 (4)
- Genus Pselliogyra Dall & Bartsch, 1909 accepted as Parthenina Bucquoy, Dautzenberg & Dollfus, 1883
- Genus Pseudocingulina Nomura, 1936 (5)
- Genus Pseudographis Mifsud, 1998 accepted as Kejdonia Mifsud, 1999
- Genus Pseudorissoina Tate & May, 1900 (7)
- Genus Pseudoscilla O. Boettger, 1902 (10)
- Genus Pseudoskenella Ponder, 1974 (1)
- Genus Ptycheulimella Sacco, 1892 (10)
- Genus Ptychostomon Locard, 1886 accepted as Odostomia J. Fleming, 1813
- Genus Pukeuria Laws, 1941 † (1)
- Genus Pyrabinella Faber, 2013 (1)
- Genus Pyramidellidae incertae sedis (1)
- Genus Pyramis T. Brown, 1827 accepted as Onoba H. Adams & A. Adams, 1852
- Genus Pyramistomia Cossmann, 1921 (1)
- Genus Pyrgisculus Monterosato, 1884 (1)
- Genus Pyrgolampros Sacco, 1892 accepted as Turbonilla Risso, 1826
- Genus Pyrgulina A. Adams, 1863 (200)
- Genus Quirella Laseron, 1959 (16)
- Genus Rissopsetia Dell, 1956 (20)
- Genus Rissosyrnola Nomura, 1939 (1)
- Genus Rugadentia Laseron, 1951 (4)
- Genus Salassia de Folin, 1870 (6)
- Genus Salassiella Dall & Bartsch, 1909 accepted as Trabecula Monterosato, 1884
- Genus Sayella Dall, 1885 (6)
- Genus Sinuatodostomia Nomura, 1937 (7)
- Genus Siogamaia Nomura, 1936 (16)
- Genus Siogamia [sic] accepted as Siogamaia Nomura, 1936
- Genus Spiralina Chaster, 1898 (6)
- Genus Spiralinella Chaster, 1901 accepted as Spiralina Chaster, 1898
- Genus Standeniella Saurin, 1958 accepted as Pyrgulina A. Adams, 1863
- Genus Stomega Dall & Bartsch, 1904 accepted as Megastomia Monterosato, 1884
- Genus Streptocionella Pfeffer, 1886 (2)
- Genus Striarcana Laws, 1937 accepted as Turbonilla Risso, 1826 (1)
- Genus Striodostomia Laws, 1940 (5)
- Genus Strioturbonilla Sacco, 1892 (5)
- Genus Stylopsis A. Adams, 1860 (5)
- Genus Styloptygma A. Adams, 1860 (20)
- Genus Stylopyramis Thiele, 1929
- Genus Sulcoturbonilla Sacco, 1892
- Genus Tathrella Laseron, 1959 (1)
- Genus Telloda Hertlein & A. M. Strong, 1951 accepted as Eulimastoma Bartsch, 1916
- Genus Terelimella Laws, 1938 (10)
- Genus Tiberia Jeffreys, 1884 (28)
- Genus Tiberia Monterosato, 1875 accepted as Tiberia Jeffreys, 1884 (1)
- Genus Tiberiella Coen, 1933 accepted as Parthenina Bucquoy, Dautzenberg & Dollfus, 1883
- Genus Tiberiola Cossmann, 1900 accepted as Tiberia Jeffreys, 1884
- Genus Tibersyrnola Laws, 1937 (13)
- Genus Trabecula Monterosato, 1884 (15)
- Genus Tragula Monterosato, 1884 (3)
- Genus Triptychus Mörch, 1875 (3)
- Genus Tropaeas Dall & Bartsch, 1904 (20)
- Genus Tropeas [sic] accepted as Tropaeas Dall & Bartsch, 1904
- Genus Turriodostomia Habe, 1961 (1)
- Genus Ugartea Bartsch, 1917 accepted as Turbonilla Risso, 1826
- Genus Urambella Laseron, 1959 accepted as Pyramidella Lamarck, 1799
- Genus Vagna Dall & Bartsch, 1904 (3)
- Genus Visma Dall & Bartsch, 1904 (1)
- Genus Volutaxiella Strebel, 1908
- Genus Waikura Marwick, 1931 (11)
- Genus Wingenella Laseron, 1959 accepted as Longchaeus Mörch, 1875
- Genus Yoshishigea Hori & H. Fukuda, 1999 (1)
- Genus Zastoma Iredale, 1915 accepted as Brachystomia Monterosato, 1884
- Family Pyramidelloidea incertae sedis (2)
- 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