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 (132 791)
- 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)
- Order Aillyida accepted as Achatinina
- Order Ellobiida (579)
- Order Gymnomorpha accepted as Systellommatophora
- Order Stylommatophora (24 766)
- Suborder Achatinina (2 900)
- Suborder Elasmognatha accepted as Succineoidei
- Suborder Helicina (21 626)
- Infraorder Arionoidei (140)
- Infraorder Clausilioidei (1 859)
- Infraorder Helicina incertae sedis (3 210)
- Infraorder Helicoidei (5 690)
- Infraorder Limacoidei (4 251)
- Infraorder Oleacinoidei (497)
- Infraorder Orthalicoidei (1 578)
- Infraorder Partuloinei accepted as Pupilloidei
- Infraorder Pupilloidei (3 436)
- Superfamily Achatinelloidea Gulick, 1873 accepted as Pupilloidea W. Turton, 1831
- Superfamily Azecoidea H. Watson, 1920 (44)
- Superfamily Chondrinoidea Steenberg, 1925 (183)
- Superfamily Cionelloidea L. Pfeiffer, 1879 accepted as Cochlicopoidea Pilsbry, 1900 (1879)
- Superfamily Cochlicopoidea Pilsbry, 1900 (1879) accepted as Pupilloidea W. Turton, 1831
- Superfamily Dendropupoidea Wenz, 1938 † (11)
- Superfamily Enoidea B. B. Woodward, 1903 (1880) accepted as Pupilloidea W. Turton, 1831
- Superfamily Orculoidea Pilsbry, 1918 accepted as Pupilloidea W. Turton, 1831
- Superfamily Partuloidea Pilsbry, 1900 accepted as Pupilloidea W. Turton, 1831
- Superfamily Pupilloidea W. Turton, 1831 (3 198)
- Family Achatinellidae Gulick, 1873 (337)
- Family Agardhiellidae Harl & Páll-Gergely, 2017 (32)
- Family Amastridae Pilsbry, 1910 (318)
- Family Argnidae Hudec, 1965 (16)
- Family Cerastidae Wenz, 1923 (259)
- Family Cerastuidae Wenz, 1930 accepted as Cerastidae Wenz, 1923
- Family Chondrulidae A. J. Wagner, 1928 accepted as Chondrulini Wenz, 1923
- Family Cionellidae L. Pfeiffer, 1879 accepted as Cochlicopidae Pilsbry, 1900 (1879)
- Family Cochlicopidae Pilsbry, 1900 (1879) (22)
- Family Cylindrovertillidae Iredale, 1940 accepted as Nesopupinae Steenberg, 1925
- Family Draparnaudiidae Solem, 1962 (6)
- Family Elasmiatidae Kuroda & T. Habe, 1949 accepted as Elasmiatini Kuroda & T. Habe, 1949
- Family Enidae B. B. Woodward, 1903 (1880) (687)
- Family Fauxulidae Harl & Páll-Gergely, 2017 (21)
- Family Gastrocoptidae Pilsbry, 1918 (491)
- Subfamily Aulacospirinae Zilch, 1959 accepted as Hypselostomatinae Zilch, 1959
- Subfamily Gastrocoptinae Pilsbry, 1918 (202)
- Subfamily Hypselostomatinae Zilch, 1959 (284)
- Genus Acinolaemus F. G. Thompson & Upatham, 1997 (11)
- Genus Anauchen Pilsbry, 1917 (16)
- Genus Angustopila Jochum, Slapnik & Páll-Gergely, 2014 (53)
- Genus Anthroapiculus Panha & J. B. Burch, 2002 accepted as Antroapiculus Panha & J. B. Burch, 2002
- Genus Antroapiculus Panha & J. B. Burch, 2002 (1)
- Genus Aulacospira Möllendorff, 1890 (20)
- Genus Bensonella Pilsbry & Vanatta, 1900 (30)
- Genus Boysia L. Pfeiffer, 1849 (1)
- Genus Boysidia Ancey, 1881 (35)
- Genus Clostophis W. H. Benson, 1860 (20)
- Genus Dentisphaera Páll-Gergely & Jochum, 2017 (1)
- Genus Gyliauchen Pilsbry, 1917 accepted as Gyliotrachela Tomlin, 1930
- Genus Gyliotrachela Tomlin, 1930 (39)
- Species Gyliotrachela adela F. G. Thompson & Upatham, 1997
- Species Gyliotrachela aunglini Tongkerd & Panha, 2024
- Species Gyliotrachela australis (Odhner, 1917)
- Species Gyliotrachela bensonianum (W. T. Blanford, 1863)
- Species Gyliotrachela burchi Panha, 1998
- Species Gyliotrachela catherina Solem, 1981 accepted as Gyliotrachela australis (Odhner, 1917)
- Species Gyliotrachela concreta van Benthem Jutting, 1949
- Species Gyliotrachela crossei (Morlet, 1886)
- Species Gyliotrachela cultura Tanmuangpak & Dumrongrojwattana, 2022
- Species Gyliotrachela depressispira van Benthem Jutting, 1949
- Species Gyliotrachela diarmaidi Panha & J. B. Burch, 2003
- Species Gyliotrachela emergens van Benthem Jutting, 1950
- Species Gyliotrachela everetti (E. A. Smith, 1896)
- Species Gyliotrachela fruhstorferi (Möllendorff, 1897)
- Species Gyliotrachela hungerfordiana (Möllendorff, 1891)
- Species Gyliotrachela khaochakan Panha & J. B. Burch, 2003
- Species Gyliotrachela khaochongensis Panha, 1997 accepted as Gyliotrachela hungerfordiana (Möllendorff, 1891)
- Species Gyliotrachela khaowongensis (Panha, 1998)
- Species Gyliotrachela khaowongkot Panha & J. B. Burch, 2004
- Species Gyliotrachela khmeriana Sutcharit & Panha, 2023
- Species Gyliotrachela kohrin Panha & J. B. Burch, 2003
- Species Gyliotrachela luctans van Benthem Jutting, 1950
- Species Gyliotrachela modesta van Benthem Jutting, 1950
- Species Gyliotrachela muaklekensis (Panha & J. B. Burch, 2002)
- Species Gyliotrachela muangon Panha & J. B. Burch, 2004
- Species Gyliotrachela napierana Solem, 1981 accepted as Gyliotrachela australis napierana Solem, 1981
- Species Gyliotrachela ningbingia Solem, 1981 accepted as Gyliotrachela australis (Odhner, 1917)
- Species Gyliotrachela phoca Tongkerd & Panha, 2013 accepted as Gyliotrachela hungerfordiana (Möllendorff, 1891)
- Species Gyliotrachela phupaman (Panha & J. B. Burch, 2002)
- Species Gyliotrachela plesiolopa Inkhavilay & Panha, 2016
- Species Gyliotrachela salpinx van Benthem Jutting, 1961
- Species Gyliotrachela saraburiensis Panha & J. B. Burch, 2003
- Species Gyliotrachela saxicola van Benthem Jutting, 1960
- Species Gyliotrachela sichang (Panha & J. B. Burch, 2002)
- Species Gyliotrachela srirachaensis Panha & J. B. Burch, 2004
- Species Gyliotrachela striolata (Möllendorff, 1895)
- Species Gyliotrachela surakiti Panha & J. B. Burch, 2003
- Species Gyliotrachela tarutao (Panha & J. B. Burch, 2002)
- Species Gyliotrachela tianxingqiaoensis (T.-C. Luo, D.-N. Chen & G.-Q. Zhang, 2000)
- Species Gyliotrachela torticollis van Benthem Jutting, 1962
- Species Gyliotrachela transitans (Möllendorff, 1894)
- Species Gyliotrachela tridentatus Panha & J. B. Burch, 2004
- Species Gyliotrachela troglodytes van Benthem Jutting, 1950
- Species Gyliotrachela xingyinensis (Y.-H. Guo, W.-C. Zhou & T.-C. Luo, 2006)
- Genus Hypostoma Albers, 1850 accepted as Boysia L. Pfeiffer, 1849
- Genus Hypotrema Albers, 1860 accepted as Boysia L. Pfeiffer, 1849
- Genus Hypselostoma W. H. Benson, 1856 (35)
- Genus Krobylos Panha & J. B. Burch, 2002 (9)
- Genus Montapiculus Panha & J. B. Burch, 2002 accepted as Clostophis W. H. Benson, 1860
- Genus Paraboysidia Pilsbry, 1917 accepted as Bensonella Pilsbry & Vanatta, 1900
- Genus Pseudostreptaxis Möllendorff, 1890 (2)
- Genus Systenostoma Bavay & Dautzenberg, 1909 accepted as Tonkinospira Jochum, Slapnik & Páll-Gergely, 2014
- Genus Tanystoma W. H. Benson, 1856 accepted as Hypselostoma W. H. Benson, 1856
- Genus Tonkinospira Jochum, Slapnik & Páll-Gergely, 2014 (11)
- Genus Albinulopsis Kadolsky, 2020 † (2)
- Genus Australbinula Pilsbry, 1916 accepted as Gastrocopta Wollaston, 1878
- Genus Balticopta Balashov & Perkovsky, 2020 † (1)
- Genus Gyrodaria Iredale, 1940 accepted as Gastrocopta Wollaston, 1878
- Genus Ptychalaea O. Boettger, 1889 † (2)
- Family Hypselostomatidae Zilch, 1959 accepted as Hypselostomatinae Zilch, 1959
- Family Lauriidae Steenberg, 1925 (92)
- Family Odontocycladidae Hausdorf, 1996 (2)
- Family Orculidae Pilsbry, 1918 (85)
- Family Pachnodidae Steenberg, 1925 accepted as Cerastidae Wenz, 1923
- Family Pacificellidae Steenberg, 1925 accepted as Pacificellinae Steenberg, 1925
- Family Pagodulinidae Pilsbry, 1924 (12)
- Family Partulidae Pilsbry, 1900 (106)
- Family Pleurodiscidae Wenz, 1923 (11)
- Family Pupidae J. Fleming, 1822 accepted as Cerionidae Pilsbry, 1901
- Family Pupillidae W. Turton, 1831 (140)
- Family Pupisomatidae Iredale, 1940 accepted as Valloniidae E. S. Morse, 1864
- Family Pupoididae Iredale, 1939 accepted as Pupoidinae Iredale, 1939
- Family Pyramidulidae Kennard & B. B. Woodward, 1914 (19)
- Family Spelaeoconchidae A. J. Wagner, 1928 (1)
- Family Spelaeodiscidae Steenberg, 1925 (23)
- Family Strobilidae Jooss, 1911 accepted as Strobilopsidae Wenz, 1915
- Family Strobilopsidae Wenz, 1915 (85)
- Family Tornatellinidae Sykes, 1900 accepted as Tornatellininae Sykes, 1900
- Family Valloniidae E. S. Morse, 1864 (128)
- Family Vertiginidae Fitzinger, 1833 (305)
- Family Zuidae Bourguignat, 1884 accepted as Cochlicopidae Pilsbry, 1900 (1879)
- Superfamily Vertiginoidea Fitzinger, 1833 accepted as Pupilloidea W. Turton, 1831
- Infraorder Rhytidoidei (581)
- Infraorder Sagdoinei accepted as Helicoidei
- Infraorder Succineoidei (384)
- Suborder Orthurethra accepted as Pupilloidei
- Suborder Scolodontina (165)
- Suborder Sigmurethra accepted as Helicina
- Suborder Stylommatophora incertae sedis (75)
- Order Systellommatophora (224)
- Superorder Hygrophila (2 005)
- 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
