Between brackets is the number of accepted species

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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)
- Subterclass Sorbeoconcha (147)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 918)
- Superfamily Ampullarioidea Gray, 1824 (250)
- Superfamily Cyclophoroidea J. E. Gray, 1847 (3 904)
- Family Aciculidae J. E. Gray, 1850 (103)
- Family Acmeidae Pollonera, 1905 accepted as Aciculidae J. E. Gray, 1850
- Family Alycaeidae W. T. Blanford, 1864 accepted as Alycaeinae W. T. Blanford, 1864
- Family Bolaniidae Wenz, 1915 accepted as Craspedopomatidae Kobelt & Möllendorff, 1898
- Family Cochlostomatidae Kobelt, 1902 (118)
- Family Craspedopomatidae Kobelt & Möllendorff, 1898 (21)
- Family Cyclophoridae J. E. Gray, 1847 (1 604)
- Family Cytoridae Climo, 1969 accepted as Liareinae A. W. B. Powell, 1946
- Family Dicristidae A. N. Golikov & Starobogatov, 1975 accepted as Neocyclotidae Kobelt & Möllendorff, 1897
- Family Diplommatinidae L. Pfeiffer, 1856 (1 026)
- Subfamily Diplommatininae L. Pfeiffer, 1856 (580)
- Genus Adelopoma Doering, 1885 (11)
- Genus Arinia H. Adams & A. Adams, 1856 (68)
- Genus Diplommatina W. H. Benson, 1849 (433)
- Subgenus Diplommatina (Angigaster) Pilsbry & Y. Hirase, 1904 represented as Diplommatina W. H. Benson, 1849
- Subgenus Diplommatina (Arinia) H. Adams & A. Adams, 1856 accepted as Arinia H. Adams & A. Adams, 1856
- Subgenus Diplommatina (Benigoma) Kuroda, 1928 represented as Diplommatina W. H. Benson, 1849
- Subgenus Diplommatina (Diancta) E. von Martens, 1864 accepted as Diancta E. von Martens, 1864
- Subgenus Diplommatina (Diplommatina) W. H. Benson, 1849 represented as Diplommatina W. H. Benson, 1849
- Subgenus Diplommatina (Diploptychia) Möllendorff, 1895 represented as Diplommatina W. H. Benson, 1849
- Subgenus Diplommatina (Eudiplommatina) Kobelt & Möllendorff, 1898 accepted as Diplommatina W. H. Benson, 1849
- Subgenus Diplommatina (Metadiancta) Möllendorff, 1898 represented as Diplommatina W. H. Benson, 1849
- Subgenus Diplommatina (Moussonia) O. Semper, 1865 accepted as Moussonia O. Semper, 1865
- Subgenus Diplommatina (Nicida) W. T. Blanford, 1869 accepted as Nicida W. T. Blanford, 1868
- Subgenus Diplommatina (Palaina) O. Semper, 1865 accepted as Palaina O. Semper, 1865
- Subgenus Diplommatina (Paxillus) H. Adams & A. Adams, 1851 accepted as Gastroptychia Kobelt & Möllendorff, 1900
- Subgenus Diplommatina (Pseudopalaina) Möllendorff, 1897 accepted as Diplommatina W. H. Benson, 1849
- Subgenus Diplommatina (Sinica) Möllendorff, 1885 represented as Diplommatina W. H. Benson, 1849
- Species Diplommatina abbreviata Heude, 1890
- Species Diplommatina abiesiana Budha & Naggs, 2017
- Species Diplommatina abundans Maassen, 2002
- Species Diplommatina acme Laidlaw, 1949
- Species Diplommatina aculus Möllendorff, 1894
- Species Diplommatina acutulua Godwin-Austen, 1918 accepted as Diplommatina acutulus Godwin-Austen, 1918
- Species Diplommatina acutulus Godwin-Austen, 1918
- Species Diplommatina adversa (H. Adams & A. Adams, 1851)
- Species Diplommatina aerari Dell, 1955 accepted as Palaina aerari (Dell, 1955)
- Species Diplommatina aesopus Bavay & Dautzenberg, 1904 accepted as Sinoarinia aesopus (Bavay & Dautzenberg, 1904)
- Species Diplommatina aetarum Zilch, 1953
- Species Diplommatina affinis Theobald, 1870
- Species Diplommatina akirai K.-M. Chang & Ookubo, 1998
- Species Diplommatina akron Panha & J. B. Burch, 1998
- Species Diplommatina albata R. H. Beddome, 1889 accepted as Palaina albata (R. H. Beddome, 1889)
- Species Diplommatina aldrichi Godwin-Austen, 1890
- Species Diplommatina ambigua Godwin-Austen, 1892
- Species Diplommatina ampla Pilsbry, 1902
- Species Diplommatina amungme Z.-Y. Chen, 2023
- Species Diplommatina amurensis Mousson, 1887 accepted as Palaina amurensis (Mousson, 1887)
- Species Diplommatina angulata J. Stanisic, 2010
- Species Diplommatina angulata Theobald & Stoliczka, 1872
- Species Diplommatina angulifera Bavay & Dautzenberg, 1912
- Species Diplommatina animula Godwin-Austen, 1892
- Species Diplommatina antheae Vermeulen, 1993
- Species Diplommatina apicina (Gredler, 1885)
- Species Diplommatina asynaimos Vermeulen, 1993
- Species Diplommatina atauroensis Köhler & Kessner, 2020
- Species Diplommatina attenuata Laidlaw, 1949
- Species Diplommatina aurea R. H. Beddome, 1889 accepted as Hungerfordia aurea (R. H. Beddome, 1889)
- Species Diplommatina auriculata Möllendorff, 1897
- Species Diplommatina aurisdiaboli Vermeulen, 1993
- Species Diplommatina austeni W. T. Blanford, 1868
- Species Diplommatina australiae W. H. Benson, 1855 accepted as Velepalaina bensoni (A. Adams, 1854)
- Species Diplommatina azlani Marzuki, 2019
- Species Diplommatina balabacensis E. A. Smith, 1895
- Species Diplommatina balansai Morlet, 1886
- Species Diplommatina balerica Quadras & Möllendorff, 1896
- Species Diplommatina baliana Fulton, 1899
- Species Diplommatina baritensis E. A. Smith, 1893
- Species Diplommatina battemalvensis Godwin-Austen, 1895
- Species Diplommatina beccarii (Issel, 1874)
- Species Diplommatina beckmanni Maassen, 2007
- Species Diplommatina belonis Möllendorff, 1900
- Species Diplommatina bensoni A. Adams, 1854 accepted as Velepalaina bensoni (A. Adams, 1854)
- Species Diplommatina bicolor Möllendorff, 1887
- Species Diplommatina bicoronata E. von Martens, 1884
- Species Diplommatina bidentata Vermeulen, T.-S. Liew & Schilthuizen, 2015
- Species Diplommatina bifissurata Bavay & Dautzenberg, 1912
- Species Diplommatina blanfordiana W. H. Benson, 1860
- Species Diplommatina boessnecki Walther & Hausdorf, 2020
- Species Diplommatina boettgeri Möllendorff, 1887
- Subspecies Diplommatina boettgeri aberrans Zilch, 1953
- Subspecies Diplommatina boettgeri accedens Möllendorff, 1888
- Subspecies Diplommatina boettgeri boettgeri Möllendorff, 1887
- Subspecies Diplommatina boettgeri plectrophora Zilch, 1953
- Species Diplommatina boholensis Quadras & Möllendorff, 1896
- Species Diplommatina bonensis Maassen, 2007
- Species Diplommatina boucheti Maassen, 2007
- Species Diplommatina brazieri J. C. Cox, 1870 accepted as Palaina brazieri (J. C. Cox, 1870)
- Species Diplommatina breviplica Möllendorff, 1893
- Species Diplommatina brunonis E. A. Smith, 1895
- Species Diplommatina bulonensis Boonmachai & Nantarat, 2023
- Species Diplommatina burapha Dumrongrojwattana, Kamtuptim & Wongkamhaeng, 2020
- Species Diplommatina burleyi Maassen, 2007
- Species Diplommatina burtii Godwin-Austen, 1875
- Species Diplommatina busanensis Godwin-Austen, 1889
- Species Diplommatina butleri Godwin-Austen, 1892
- Species Diplommatina cacuminulus Vermeulen, 1993
- Species Diplommatina cagayanica Möllendorff, 1893
- Species Diplommatina calcarata Möllendorff, 1897
- Species Diplommatina calvula Vermeulen, 1993
- Species Diplommatina camura Pilsbry & Hirase, 1906 accepted as Diplommatina taiwanica camura Pilsbry & Y. Hirase, 1906
- Species Diplommatina canaliculata Möllendorff, 1887
- Species Diplommatina canarica R. H. Beddome, 1875
- Species Diplommatina cantori L. Pfeiffer, 1857 represented as Palaina cantori (L. Pfeiffer, 1857)
- Species Diplommatina capillacea L. Pfeiffer, 1855 accepted as Palaina capillacea (L. Pfeiffer, 1855)
- Species Diplommatina carinaspinosa Maassen, 2002
- Species Diplommatina carneola Stoliczka, 1871
- Species Diplommatina cassa Pilsbry, 1901
- Species Diplommatina cebuensis Möllendorff, 1887
- Species Diplommatina celebensis Maassen, 2007
- Species Diplommatina centralis Vermeulen, 1993
- Species Diplommatina chadathongae Kamtuptim, Dumrongrojwattana & Wongkamhaeng, 2020
- Species Diplommatina changensis O.-K. Kwon & J.-S. Lee, 1991
- Species Diplommatina chantaburiensis Dumrongrojwattana, Kamtuptim & Wongkamhaeng, 2020
- Species Diplommatina chaoi C.-C. Hwang, K.-M. Chang & H.-W. Chang, 2001
- Species Diplommatina chejuensis O.-K. Kwon & J.-S. Lee, 1991
- Species Diplommatina chennelli Godwin-Austen, 1892
- Species Diplommatina chordata L. Pfeiffer, 1855 accepted as Velepalaina strangei Iredale, 1937
- Species Diplommatina chrysostoma E. A. Smith, 1897 accepted as Palaina chrysostoma (E. A. Smith, 1897)
- Species Diplommatina circumstomata Kuroda & Abe, 1980
- Species Diplommatina clausilioides Bavay & Dautzenberg, 1912
- Species Diplommatina collarifera Schmacker & O. Boettger, 1890
- Species Diplommatina commutata Godwin-Austen, 1892
- Species Diplommatina compacta Godwin-Austen, 1892
- Species Diplommatina concavospira Möllendorff, 1894
- Species Diplommatina concinna H. Adams, 1872
- Species Diplommatina concinna Godwin-Austen, 1892 accepted as Diplommatina godwini Möllendorff, 1898
- Species Diplommatina concolor Quadras & Möllendorff, 1893
- Species Diplommatina conditioria Maassen, 2007
- Species Diplommatina confusa Heude, 1885
- Species Diplommatina congener E. A. Smith, 1894
- Species Diplommatina conica Möllendorff, 1885
- Species Diplommatina constricta E. von Martens, 1864 accepted as Diancta constricta (E. von Martens, 1864)
- Species Diplommatina consularis Gredler, 1886
- Species Diplommatina contracta Möllendorff, 1886
- Species Diplommatina convoluta Godwin-Austen, 1875
- Species Diplommatina costulata W. H. Benson, 1849
- Species Diplommatina crassilabris R. H. Beddome, 1889 accepted as Hungerfordia crassilabris (R. H. Beddome, 1889)
- Species Diplommatina crispata Stoliczka, 1871
- Species Diplommatina cristata Gredler, 1887
- Species Diplommatina crosseana Godwin-Austen & G. Nevill, 1879
- Species Diplommatina crystallodes Quadras & Möllendorff, 1896
- Species Diplommatina cyclostoma Möllendorff, 1897
- Species Diplommatina cyrtochilus Quadras & Möllendorff, 1895
- Species Diplommatina cyrtorhitis Vermeulen, 1993
- Species Diplommatina daflaensis Godwin-Austen, 1886
- Species Diplommatina dandanensis Kuroda, 1941
- Species Diplommatina daniensis Nicolas, 1891 † accepted as Ajkaia daniensis (Nicolas, 1891) †
- Species Diplommatina danzyonarium Kuroda, 1973
- Species Diplommatina debilis Bavay & Dautzenberg, 1904
- Species Diplommatina decapitata Vermeulen, Luu, Theary & Anker, 2019
- Species Diplommatina decaryi Bavay & Germain, 1920
- Species Diplommatina decipiens Zilch, 1953
- Species Diplommatina decollata van Benthem Jutting, 1958 accepted as Diplommatina fluminis B. Rensch, 1931
- Species Diplommatina decorosa Godwin-Austen, 1892
- Species Diplommatina delicata Godwin-Austen, 1892
- Species Diplommatina demangei Bavay & Dautzenberg, 1912
- Species Diplommatina demorgani Laidlaw, 1949
- Species Diplommatina depressa Godwin-Austen, 1870
- Species Diplommatina diezi Flach, 1890 † accepted as Occidentina diezi (Flach, 1890) †
- Species Diplommatina diminuta Möllendorff, 1891
- Species Diplommatina diplocheilus W. H. Benson, 1857
- Species Diplommatina diploloma Quadras & Möllendorff, 1895
- Species Diplommatina diplostoma B. Rensch, 1931
- Species Diplommatina distincta Godwin-Austen, 1892
- Species Diplommatina dohertyi Godwin-Austen, 1892
- Species Diplommatina doichiangdao Panha & J. B. Burch, 1998
- Species Diplommatina domuncula Godwin-Austen, 1892
- Species Diplommatina dormitor Pilsbry, 1902
- Species Diplommatina dumogaensis Maassen, 2007
- Species Diplommatina duplicilabra van Benthem Jutting, 1948
- Species Diplommatina edentata Bavay & Dautzenberg, 1912
- Species Diplommatina edentula Godwin-Austen, 1886
- Species Diplommatina egregia Hedley & Musson, 1892 accepted as Glyptopupoides egregius (Hedley & Musson, 1892)
- Species Diplommatina elbowforis D.-N. Chen & G.-Q. Zhang, 1998
- Species Diplommatina electa Fulton, 1905
- Species Diplommatina elegans Möllendorff, 1890
- Species Diplommatina elegantissima Quadras & Möllendorff, 1895
- Species Diplommatina elisabethae Möllendorff, 1887
- Species Diplommatina elongata Godwin-Austen, 1892
- Species Diplommatina everetti E. A. Smith, 1893
- Species Diplommatina evexa Vermeulen, 1993
- Species Diplommatina excentrica E. A. Smith, 1893
- Species Diplommatina exigua A. Adams, 1867
- Species Diplommatina exilis W. T. Blanford, 1863
- Species Diplommatina exserta Godwin-Austen, 1886
- Species Diplommatina fallax Preston, 1914
- Species Diplommatina ferrumequinum Vermeulen, 1993
- Species Diplommatina filicostata Möllendorff, 1893
- Species Diplommatina fimbriosa Möllendorff, 1888
- Species Diplommatina fistulata Budha & Naggs, 2017
- Species Diplommatina floresiana E. A. Smith, 1897
- Species Diplommatina floris B. Rensch, 1931
- Species Diplommatina fluminis B. Rensch, 1931
- Species Diplommatina folliculus (L. Pfeiffer, 1846)
- Species Diplommatina frumentum Preston, 1914
- Species Diplommatina fulva Möllendorff, 1901
- Species Diplommatina fusiformis Dumrongrojwattana, Kamtuptim & Wongkamhaeng, 2020
- Species Diplommatina futilis Gredler, 1887
- Species Diplommatina gadutensis Maassen, 2002
- Species Diplommatina garoensis Godwin-Austen, 1892
- Species Diplommatina germaini Bavay & Dautzenberg, 1912
- Species Diplommatina gibbera Pilsbry & Y. Hirase, 1904
- Species Diplommatina gibberosa Godwin-Austen, 1892 accepted as Gastroptychia gibberosa (Godwin-Austen, 1892)
- Species Diplommatina gibboni R. H. Beddome, 1889 accepted as Hungerfordia gibboni (R. H. Beddome, 1889)
- Species Diplommatina gibbosa W. T. Blanford, 1868 accepted as Gastroptychia gibbosa (W. T. Blanford, 1868)
- Species Diplommatina godawariensis Budha & Naggs, 2017
- Species Diplommatina godwini Möllendorff, 1898
- Species Diplommatina goliath Vermeulen, 1996
- Species Diplommatina gomantongensis E. A. Smith, 1894
- Species Diplommatina goniobasis Pilsbry & Y. Hirase, 1904
- Species Diplommatina goniocampta Quadras & Möllendorff, 1895
- Species Diplommatina gonostoma Möllendorff, 1894
- Species Diplommatina gotoensis Pilsbry & Y. Hirase, 1908
- Species Diplommatina gowllandi Brazier, 1875 accepted as Eclogarinia gowllandi (Brazier, 1875)
- Species Diplommatina gracilis R. H. Beddome, 1875
- Species Diplommatina gracilis Möllendorff, 1888 accepted as Diplommatina elegans Möllendorff, 1890
- Species Diplommatina granum Bavay & Dautzenberg, 1904
- Species Diplommatina halimunensis Nurinsiyah & Hausdorf, 2017
- Species Diplommatina hangchowensis Pilsbry & Y. Hirase, 1908
- Species Diplommatina heliscus Möllendorff, 1895
- Species Diplommatina henzadaensis Godwin-Austen, 1886
- Species Diplommatina heryantoi Nurinsiyah & Hausdorf, 2017
- Species Diplommatina herziana Möllendorff, 1886
- Species Diplommatina heteroglypha van Benthem Jutting, 1948
- Species Diplommatina heteropleura Vermeulen & Khalik, 2021
- Species Diplommatina hidaensis Ogaito & Ieyama, 1997
- Species Diplommatina hidagai Panha, 1998
- Species Diplommatina hirasei Pilsbry, 1909 accepted as Diplommatina (Sinica) labiosa hirasei Pilsbry, 1909
- Species Diplommatina homei Godwin-Austen, 1876 accepted as Diplommatina homeii Godwin-Austen, 1876
- Species Diplommatina homeii Godwin-Austen, 1876
- Species Diplommatina huangi Y.-T. Ueng & J.-P. Wang, 2005
- Species Diplommatina hungerfordiana G. Nevill, 1881
- Species Diplommatina huttoni L. Pfeiffer, 1854
- Species Diplommatina hypipamee J. Stanisic, 2010
- Species Diplommatina immersidens Pilsbry & Y. Hirase, 1904
- Species Diplommatina inermis Gredler, 1887
- Species Diplommatina inferocuspis J.-C. Lee & W.-L. Wu, 2005
- Species Diplommatina insignis Godwin-Austen, 1870 accepted as Gastroptychia insignis (Godwin-Austen, 1870)
- Species Diplommatina insularis Tongkerd & Panha, 2013
- Species Diplommatina insularum Pilsbry, 1901
- Species Diplommatina intermedia Heude, 1890
- Species Diplommatina intermedia Nicolas, 1891 † accepted as Ajkaia intermedia (Nicolas, 1891) †
- Species Diplommatina inthanon Panha & J. B. Burch, 2001
- Species Diplommatina irregularis Möllendorff, 1887
- Species Diplommatina isolata Maassen, 2007
- Species Diplommatina isseli Godwin-Austen, 1889
- Species Diplommatina jaintiaca Godwin-Austen, 1870 accepted as Gastroptychia jaintiaca (Godwin-Austen, 1870)
- Species Diplommatina japvoensis Godwin-Austen, 1892
- Species Diplommatina jatingana Godwin-Austen, 1870
- Species Diplommatina javana Möllendorff, 1897
- Species Diplommatina jirasaki Panha, Kanchanasaka & J. B. Burch, 2002
- Species Diplommatina jonabletti Greķe, 2017
- Species Diplommatina kakenca Nurinsiyah & Hausdorf, 2017
- Species Diplommatina karenkoensis Kuroda, 1941
- Species Diplommatina karoensis Maassen, 2002
- Species Diplommatina kewlom Panha & J. B. Burch, 1998
- Species Diplommatina khunhoensis Godwin-Austen, 1892
- Species Diplommatina khwantongae Dumrongrojwattana, Kamtuptim & Wongkamhaeng, 2020
- Species Diplommatina kiiensis Pilsbry, 1902
- Species Diplommatina kingiana W. T. Blanford & H. F. Blanford, 1861 accepted as Nicida kingiana (W. T. Blanford & H. F. Blanford, 1861)
- Species Diplommatina kittelorum Maassen, 2007
- Species Diplommatina kobelti Pilsbry, 1901
- Species Diplommatina kochiana Möllendorff, 1887
- Species Diplommatina krabiensis Panha & J. B. Burch, 1998
- Species Diplommatina kumejimana Pilsbry & Y. Hirase, 1904
- Species Diplommatina kyobuntoensis Kuroda & Miyanaga, 1943
- Species Diplommatina kyushuensis Pilsbry & Y. Hirase, 1904
- Species Diplommatina labiosa E. von Martens, 1877 accepted as Diplommatina collarifera Schmacker & O. Boettger, 1890
- Species Diplommatina labiosa W. T. Blanford, 1868
- Species Diplommatina lacrimans Vermeulen, 1993
- Species Diplommatina laemsonensis Boonmachai & Nantarat, 2023
- Species Diplommatina laevis Fulton, 1899
- Species Diplommatina laidlawi Sykes, 1903
- Species Diplommatina lapillus Godwin-Austen, 1892
- Species Diplommatina lateralis Pilsbry & Hirase, 1904
- Species Diplommatina latilabris Kobelt, 1886
- Species Diplommatina laurentiana Möllendorff, 1885 accepted as Gastroptychia laurentiana (Möllendorff, 1885)
- Species Diplommatina lavillei Dautzenberg & H. Fischer, 1906 accepted as Plectostoma lavillei (Dautzenberg & H. Fischer, 1906)
- Species Diplommatina lemyrei Bavay & Dautzenberg, 1904
- Species Diplommatina lenggongensis Tomlin, 1941
- Species Diplommatina leptospira Möllendorff, 1897
- Species Diplommatina leucopsis van Benthem Jutting, 1958 accepted as Diplommatina fluminis B. Rensch, 1931
- Species Diplommatina levigata Godwin-Austen, 1876
- Species Diplommatina leytensis Möllendorff, 1893
- Species Diplommatina liboensis Ran, Cheng & G.-Q. Zhang, 1999
- Species Diplommatina liwaensis Aldrich, 1898
- Species Diplommatina lombockensis E. A. Smith, 1898
- Species Diplommatina longxianensis Chen, Liu, Xu & Yan, 1994
- Species Diplommatina lourinae Poppe, Tagaro & Sarino, 2015
- Species Diplommatina luchuana Pilsbry, 1901
- Species Diplommatina lucifuga van Benthem Jutting, 1958 accepted as Diplommatina fluminis B. Rensch, 1931
- Species Diplommatina luodianensis T.-C. Luo, D.-N. Chen & W.-C. Zhou, 2008
- Species Diplommatina lutea R. H. Beddome, 1889 accepted as Hungerfordia lutea (R. H. Beddome, 1889)
- Species Diplommatina lygipleura Vermeulen, 1993
- Species Diplommatina lyrata (A. Gould, 1859)
- Species Diplommatina macgillivrayi L. Pfeiffer, 1855 accepted as Palaina macgillivrayi (L. Pfeiffer, 1855)
- Species Diplommatina macrostoma Mousson, 1870 accepted as Diancta macrostoma (Mousson, 1870)
- Species Diplommatina madaiensis Vermeulen, 1993
- Species Diplommatina maduana Laidlaw, 1949
- Species Diplommatina maedai Kuroda, 1941
- Species Diplommatina maibrat Greķe, 2017
- Species Diplommatina maipokhariensis Budha & Naggs, 2017
- Species Diplommatina majapahit Greķe, 2019
- Species Diplommatina mangshanensis Z.-Q. Hu, H.-Q. Yin & D.-N. Chen, 2003
- Species Diplommatina mariei Crosse, 1867 accepted as Palaina mariei (Crosse, 1867)
- Species Diplommatina masarangensis P. Sarasin & F. Sarasin, 1899
- Species Diplommatina masbatica Quadras & Möllendorff, 1895
- Species Diplommatina megaloptyx Möllendorff, 1894
- Species Diplommatina meijaardi Vermeulen, 1996
- Species Diplommatina meratusensis Vermeulen, 1993
- Species Diplommatina mertoni C. R. Boettger, 1922
- Species Diplommatina messageri Ancey, 1904
- Species Diplommatina micropleuris Möllendorff, 1893
- Species Diplommatina microstoma Möllendorff, 1887
- Species Diplommatina mindanavica Quadras & Möllendorff, 1895
- Species Diplommatina minima R. H. Beddome, 1875
- Species Diplommatina minor (A. Adams, 1854)
- Species Diplommatina minuscula Heude, 1890 accepted as Diplommatina futilis Gredler, 1887
- Species Diplommatina minuscula D.-N. Chen & G.-Q. Zhang, 1998 accepted as Diplommatina yunnanensis G. Zhang, G.-L. Xie & Köhler, 2025
- Species Diplommatina minusculus D.-N. Chen & G.-Q. Zhang, 1998 accepted as Diplommatina minuscula D.-N. Chen & G.-Q. Zhang, 1998
- Species Diplommatina minuta H. Adams, 1868 accepted as Palaina minuta (H. Adams, 1868)
- Species Diplommatina miraculumdei Vermeulen, 1993
- Species Diplommatina miriensis Godwin-Austen, 1917
- Species Diplommatina moluccensis Greķe, 2017
- Species Diplommatina moluensis E. A. Smith, 1893
- Species Diplommatina mongondowensis Maassen, 2007
- Species Diplommatina montrouzieri Crosse, 1874 accepted as Palaina montrouzieri (Crosse, 1874)
- Species Diplommatina mucronata Godwin-Austen, 1917 accepted as Diplommatina (Metadiancta) submucronata Zilch, 1953
- Species Diplommatina munipurensis Godwin-Austen, 1892
- Species Diplommatina naiyanetri Panha, 1997
- Species Diplommatina nakashimai Minato, 2015
- Species Diplommatina nana W. T. Blanford, 1865
- Species Diplommatina natunensis E. A. Smith, 1894
- Species Diplommatina nengloensis Godwin-Austen, 1892
- Species Diplommatina nesiotica Pilsbry & Y. Hirase, 1909
- Species Diplommatina nevilli (Crosse, 1879)
- Species Diplommatina ngocngai Thach, 2021
- Species Diplommatina niahensis Godwin-Austen, 1889
- Species Diplommatina niahensis Gredler, 1902 accepted as Diplommatina niahensis Godwin-Austen, 1889
- Species Diplommatina nicobarica Godwin-Austen, 1886 accepted as Palaina nicobarica (Godwin-Austen, 1886)
- Species Diplommatina nilgirica W. T. Blanford & H. F. Blanford, 1860 accepted as Nicida nilgirica (W. T. Blanford & H. F. Blanford, 1860)
- Species Diplommatina nimanandhi Panha, Kanchanasaka & J. B. Burch, 2002
- Species Diplommatina nipponensis Möllendorff, 1885
- Species Diplommatina nishii A. Yamamoto & K. Uozumi, 1988
- Species Diplommatina nodifera Möllendorff, 1891
- Species Diplommatina obesa Hedley, 1898 accepted as Palaina obesa (Hedley, 1898)
- Species Diplommatina obliquestriata Maassen, 2007
- Species Diplommatina occidentalis Godwin-Austen, 1886 accepted as Adelopoma occidentale (Godwin-Austen, 1886)
- Species Diplommatina occulodentata K.-M. Chang & Tada, 1997
- Species Diplommatina oedogaster Vermeulen, 1993
- Species Diplommatina okiensis Pilsbry & Y. Hirase, 1908 accepted as Diplommatina (Sinica) labiosa okiensis Pilsbry & Y. Hirase, 1908
- Species Diplommatina oligogyra Möllendorff, 1894
- Species Diplommatina oligopleuris W. T. Blanford, 1868
- Species Diplommatina olygopleuris W T. Blanford, 1868 accepted as Diplommatina oligopleuris W. T. Blanford, 1868
- Species Diplommatina onyx Fulton, 1901
- Species Diplommatina ookuboi K.-M. Chang & Tada, 1997
- Species Diplommatina oostoma Möllendorff, 1894
- Species Diplommatina oreadis Hedley, 1900 accepted as Velepalaina beddomei (Möllendorff, 1897)
- Species Diplommatina ornithorica van Benthem Jutting, 1948 accepted as Diplommatina canaliculata Möllendorff, 1887
- Species Diplommatina oshimae Pilsbry, 1901
- Species Diplommatina oviformis Fulton, 1901
- Species Diplommatina pachycheilus W. H. Benson, 1857
- Species Diplommatina palatalis Möllendorff, 1888
- Species Diplommatina papuana E. A. Smith, 1897 accepted as Diplommatina smithi Kobelt & Möllendorff, 1898
- Species Diplommatina parabates Laidlaw, 1949
- Species Diplommatina paradoxa Crosse, 1867
- Species Diplommatina parietidentata N. K. Das & Aravind, 2021 accepted as Carychium parietidentatum (N. K. Das & Aravind, 2021)
- Species Diplommatina parvula Godwin-Austen, 1870
- Species Diplommatina patani Greķe, 2017
- Species Diplommatina paxillus (Gredler, 1881)
- Species Diplommatina pentaechma Laidlaw, 1949
- Species Diplommatina perobesa Preston, 1915
- Species Diplommatina perpusilla Möllendorff, 1897
- Species Diplommatina perroquini Crosse, 1871 accepted as Palaina perroquini (Crosse, 1871)
- Species Diplommatina pilanensis K.-M. Chang & Tada, 2003
- Species Diplommatina pilula K.-M. Chang & Tada, 1998
- Species Diplommatina pimelodes Möllendorff, 1890
- Species Diplommatina planicollis Möllendorff, 1897
- Species Diplommatina platycheilus R. H. Beddome, 1889 accepted as Palaina platycheilus (R. H. Beddome, 1889)
- Species Diplommatina plecta Fulton, 1901
- Species Diplommatina polypleuris W. H. Benson, 1857
- Species Diplommatina pongrati Panha, Kanchanasaka & J. B. Burch, 2002
- Species Diplommatina prakaiphetensis Boonmachai & Nantarat, 2023
- Species Diplommatina prakayangensis Panha, 1998
- Species Diplommatina prava Pilsbry & Y. Hirase, 1906
- Species Diplommatina primordialis Nicolas, 1891 † accepted as Ajkaia primordialis (Nicolas, 1891) †
- Species Diplommatina prostoma Möllendorff, 1894
- Species Diplommatina pseudogranum Bavay & Dautzenberg, 1912
- Species Diplommatina pseudopolita Maassen, 2007
- Species Diplommatina pseudopomatias Gredler, 1902 accepted as Arinia pseudopomatias (Gredler, 1902)
- Species Diplommatina pseudotayalis Y.-C. Lee & K.-M. Chang, 2004
- Species Diplommatina pudica Pilsbry, 1902
- Species Diplommatina pullula W. H. Benson, 1859
- Species Diplommatina pupaeformis Theobald, 1870
- Species Diplommatina pupinella Heude, 1885
- Species Diplommatina puppensis W. T. Blanford, 1863
- Species Diplommatina pusilla E. von Martens, 1877 accepted as Palaina (Cylindropalaina) pusilla (E. von Martens, 1877)
- Species Diplommatina pyra Heude, 1885
- Species Diplommatina qinghensis D.-N. Chen, G.-Q. Zhang & H.-J. Wang, 2002
- Species Diplommatina quadrasiana Zilch, 1953
- Species Diplommatina radiiformis Preston, 1913
- Species Diplommatina recta E. A. Smith, 1895
- Species Diplommatina regularis Fulton, 1901
- Species Diplommatina richthofeni Theobald & Stoliczka, 1872
- Species Diplommatina riedeli Maassen, 2007
- Species Diplommatina ristiae Nurinsiyah & Hausdorf, 2017
- Species Diplommatina roebeleni Möllendorff, 1887
- Species Diplommatina rotundata Saurin, 1953
- Species Diplommatina rubella R. H. Beddome, 1889 accepted as Palaina (Palaina) rubella (R. H. Beddome, 1889)
- Species Diplommatina rubella Möllendorff, 1894 accepted as Diplommatina rubellaria Zilch, 1953
- Species Diplommatina rubellaria Zilch, 1953
- Species Diplommatina rubicunda (E. von Martens, 1864)
- Species Diplommatina rubra Godwin-Austen, 1889
- Species Diplommatina rufa Möllendorff, 1882
- Species Diplommatina rumbangensis Nasir, J. Y. Lee, Marzuki, Vermeulen, Mohd-Azlan & Khalik, 2024
- Species Diplommatina rupicola Möllendorff, 1887
- Species Diplommatina saginata Pilsbry, 1901
- Species Diplommatina salgharica Budha & Backeljau, 2017
- Species Diplommatina saltuensis Godwin-Austen, 1886
- Species Diplommatina salwiniana Theobald, 1870
- Species Diplommatina samuiana Möllendorff, 1894
- Species Diplommatina satanomisakiensis Habe, 1953
- Species Diplommatina scalaria W. T. Blanford, 1868
- Species Diplommatina scalaroidea Theobald, 1870
- Species Diplommatina schadenbergi Möllendorff, 1888
- Species Diplommatina schmackeri Möllendorff, 1888
- Species Diplommatina schmackeriana Yen, 1939 accepted as Diplommatina schmackeri Möllendorff, 1888
- Species Diplommatina schmidti E. von Martens, 1908
- Species Diplommatina scolops Möllendorff, 1901
- Species Diplommatina sculptilis Möllendorff, 1885
- Species Diplommatina seimundi Laidlaw, 1932
- Species Diplommatina semisculpta W. T. Blanford, 1868
- Species Diplommatina septentrionalis Pilsbry, 1901
- Species Diplommatina serempakensis Vermeulen, 1993
- Species Diplommatina setchuanensis Heude, 1885
- Species Diplommatina sherfaiensis Godwin-Austen, 1870
- Species Diplommatina shikokuensis Kuroda, Abe & T. Habe, 1961
- Species Diplommatina shishanensis C.-C. Hwang, K.-M. Chang & Tada, 2009
- Species Diplommatina shivapuriensis Budha & Backeljau, 2017
- Species Diplommatina shuitianensis C.-C. Hwang, K.-M. Chang & Tada, 2009
- Species Diplommatina silanensis Maassen, 2007
- Species Diplommatina silvicola Godwin-Austen, 1886
- Species Diplommatina sinistra Tomlin, 1938
- Species Diplommatina sinulabris Möllendorff, 1902
- Species Diplommatina siriphumi Panha & J. B. Burch, 2001
- Species Diplommatina skeati Sykes, 1903
- Species Diplommatina slapcinskyi Greķe, 2017
- Species Diplommatina smithi Kobelt & Möllendorff, 1898
- Species Diplommatina solomonensis Dell, 1955 accepted as Palaina solomonensis (Dell, 1955)
- Species Diplommatina soputensis P. Sarasin & F. Sarasin, 1899
- Species Diplommatina soror Vermeulen, 1993
- Species Diplommatina sowerbyi L. Pfeiffer, 1852 accepted as Arinia minor (G. B. Sowerby I, 1843)
- Species Diplommatina sperata W. T. Blanford, 1862
- Species Diplommatina spinosa Godwin-Austen, 1889
- Species Diplommatina stenoacron Vermeulen & Khalik, 2021
- Species Diplommatina stibara Vermeulen, 1993
- Species Diplommatina stolli E. von Martens, 1890 accepted as Adelopoma stolli (E. von Martens, 1890)
- Species Diplommatina streptophora Laidlaw, 1949
- Species Diplommatina strigata (Crosse, 1866) accepted as Palaina strigata Crosse, 1866
- Species Diplommatina strongyla Vermeulen, 1993
- Species Diplommatina strophosa van Benthem Jutting, 1959
- Species Diplommatina strubelli E. A. Smith, 1894 accepted as Diplommatina brunonis E. A. Smith, 1895
- Species Diplommatina subcalcarata Möllendorff, 1894
- Species Diplommatina subcrystallina Möllendorff, 1893
- Species Diplommatina subcylindrica Möllendorff, 1882
- Species Diplommatina subfusiformis Möllendorff, 1891
- Species Diplommatina subglaber Vermeulen, 1992
- Species Diplommatina subisensis Vermeulen, 1993 accepted as Diplommatina subglaber subisensis Vermeulen, 1993
- Species Diplommatina submucronata Zilch, 1953
- Species Diplommatina subrubella Godwin-Austen, 1892
- Species Diplommatina subtilis Godwin-Austen, 1892
- Species Diplommatina succinea Godwin-Austen, 1892
- Species Diplommatina sulcicollis Möllendorff, 1897
- Species Diplommatina sulphurea E. A. Smith, 1893
- Species Diplommatina superba Godwin-Austen & G. Nevill, 1879
- Species Diplommatina supralamellata Maassen, 2007
- Species Diplommatina suratensis Panha & J. B. Burch, 1998
- Species Diplommatina syabrubesiensis Budha & Backeljau, 2017
- Species Diplommatina sychnopleuris Zilch, 1953
- Species Diplommatina sykesi Fulton, 1901
- Species Diplommatina symmetrica Hedley, 1891
- Species Diplommatina symmetrica E. A. Smith, 1893 accepted as Diplommatina gomantongensis E. A. Smith, 1894
- Species Diplommatina szechuanensis Pilsbry, 1934
- Species Diplommatina tablasensis Hidalgo, 1888 accepted as Arinia tablasensis (Hidalgo, 1888)
- Species Diplommatina tadai K.-M. Chang, 1997
- Species Diplommatina taiwanica Pilsbry & Y. Hirase, 1906
- Species Diplommatina talautana Fulton, 1899 accepted as Arinia talautana (Fulton, 1899)
- Species Diplommatina tammesboltae Maassen, 2007
- Species Diplommatina tanegashimae Pilsbry, 1901
- Species Diplommatina tantilla (A. Gould, 1859)
- Species Diplommatina tardigrada van Benthem Jutting, 1959
- Species Diplommatina tattakaensis K.-M. Chang, Tada & C.-C. Hwang, 1998
- Species Diplommatina taviensis Liardet, 1876 accepted as Diancta taviensis (Liardet, 1876)
- Species Diplommatina tayalis Kuroda, 1941
- Species Diplommatina telnovi Greķe, 2017
- Species Diplommatina tenuilabiata Fulton, 1901
- Species Diplommatina tenuiplicata Pilsbry, 1900 accepted as Diplommatina (Sinica) collarifera tenuiplicata Pilsbry, 1900
- Species Diplommatina tergestina Stache, 1889 †
- Species Diplommatina tetragonostoma Möllendorff, 1897
- Species Diplommatina theobaldi Godwin-Austen, 1886
- Species Diplommatina thersites Möllendorff, 1890
- Species Diplommatina thomsoni Godwin-Austen, 1892
- Species Diplommatina tiara Vermeulen, 1993
- Species Diplommatina timorensis Greķe, 2017
- Species Diplommatina tokunoshimana Pilsbry & Y. Hirase, 1904 accepted as Diplommatina (Sinica) lyrata tokunoshimana Pilsbry & Y. Hirase, 1904
- Species Diplommatina tonkiniana Jaeckel, 1950
- Species Diplommatina torajaensis Maassen, 2007
- Species Diplommatina toretos Vermeulen, 1993
- Species Diplommatina torigatadentata Minato, 2024
- Species Diplommatina torokkuensis K.-M. Chang & Tada, 2003
- Species Diplommatina torquilla van Benthem Jutting, 1958 accepted as Diplommatina fluminis B. Rensch, 1931
- Species Diplommatina tosana Pilsbry & Y. Hirase, 1904
- Species Diplommatina tosanella Pilsbry & Y. Hirase, 1904
- Species Diplommatina triangulata Yen, 1939
- Species Diplommatina tuberifera Zilch, 1953
- Species Diplommatina tumens Fulton, 1899 accepted as Palaina tumens (Fulton, 1899)
- Species Diplommatina tumida Godwin-Austen, 1870
- Species Diplommatina tungwangorum J.-C. Lee & K.-M. Chang, 2004
- Species Diplommatina turris Pilsbry, 1901
- Species Diplommatina turritella Möllendorff, 1894
- Species Diplommatina tweediei Laidlaw, 1949
- Species Diplommatina tylocheilos Vermeulen, T.-S. Liew & Schilthuizen, 2015
- Species Diplommatina tyosenica Kuroda & Miyanaga, 1939
- Species Diplommatina ujiinsularis Minato, 1982
- Species Diplommatina ultima Pilsbry & Y. Hirase, 1909
- Species Diplommatina umpangensis Panha, 1998 accepted as Diplommatina angulifera umpangensis Panha, 1998
- Species Diplommatina ungulata H. F. Blanford, 1871
- Species Diplommatina unicrenata Godwin-Austen, 1892
- Species Diplommatina uozumii Minato, 1976
- Species Diplommatina uzenensis Pilsbry, 1900
- Species Diplommatina vanderbloomi Maassen, 2002
- Species Diplommatina ventriculus Möllendorff, 1891
- Species Diplommatina ventriosa Pilsbry & Hirase, 1904
- Species Diplommatina ventrosula Zilch, 1953
- Species Diplommatina venustula Godwin-Austen, 1892
- Species Diplommatina vermeuleni Maassen, 2007
- Species Diplommatina vesicans Möllendorff, 1891
- Species Diplommatina vespa Pilsbry & Y. Hirase, 1904 accepted as Diplommatina lateralis Pilsbry & Hirase, 1904
- Species Diplommatina waigeoensis Greķe, 2017
- Species Diplommatina welzeni Vermeulen, 1993
- Species Diplommatina whiteheadi E. A. Smith, 1898
- Species Diplommatina wilhelminae Maassen, 2002
- Species Diplommatina wisemani J. C. Cox, 1870 accepted as Palaina wisemani (J. C. Cox, 1870)
- Species Diplommatina xiaoqikongensis J.-C. Ran, D.-N. Cheng & G.-Q. Zhang, 1999
- Species Diplommatina xiazayuensis D.-N. Chen, G.-Q. Zhang & Z.-X. Liu, 2001
- Species Diplommatina xingyinensis W.-C. Zhou, D.-N. Chen & Y. Li, 2005
- Species Diplommatina yakushimae Pilsbry, 1901
- Species Diplommatina yipingica G. Zhang, 2025
- Species Diplommatina yokoae Minato, 2024
- Species Diplommatina yonakunijimana Pilsbry & Hirase, 1909
- Species Diplommatina yunnanensis G. Zhang, G.-L. Xie & Köhler, 2025
- Genus Euadnita Iredale, 1941 accepted as Diplommatina (Sinica) Möllendorff, 1885
- Genus Euarinia Kobelt & Möllendorff, 1898 accepted as Arinia H. Adams & A. Adams, 1856
- Genus Gyrostropha Ancey, 1887 accepted as Opisthostoma W. T. Blanford & H. F. Blanford, 1860
- Genus Opisthostoma W. T. Blanford & H. F. Blanford, 1860 (68)
- Genus Pseudopalaina Möllendorff, 1897 accepted as Diplommatina W. H. Benson, 1849
- Subfamily Laotiinae Páll-Gergely, 2024 (5)
- Genus Anostomella E. von Martens, 1867 accepted as Palaina O. Semper, 1865
- Genus Cardiostoma F. Sandberger, 1870 † (2)
- Genus Cylindropalaina Möllendorff, 1897 accepted as Palaina O. Semper, 1865
- Genus Diancta E. von Martens, 1864 (24)
- Genus Eclogarinia Wenz, 1939 (1)
- Genus Eclogarinia Iredale, 1933 accepted as Eclogarinia Wenz, 1939
- Genus Entypogyra Hrubesch, 1965 † (1)
- Genus Eudiplommatina Kobelt & Möllendorff, 1898 accepted as Diplommatininae L. Pfeiffer, 1856
- Genus Eupalaina Kobelt & Möllendorff, 1898 accepted as Palaina (Eupalaina) Kobelt & Möllendorff, 1898
- Genus Euthema T. Yu, B. Wang & H. Pan, 2018 † (8)
- Genus Fermepalaina Iredale, 1945 (2)
- Genus Gastroptychia Kobelt & Möllendorff, 1900 (11)
- Genus Geothauma Crosse, 1893 accepted as Plectostoma H. Adams, 1865
- Genus Habeastrum Simone, 2019 (3)
- Genus Helicomorpha Möllendorff, 1890 (9)
- Genus Hungerfordia R. H. Beddome, 1889 (41)
- Genus Kontschania Páll-Gergely & Grego, 2020 (1)
- Genus Luzonocoptis Páll-Gergely & Hunyadi, 2017 (2)
- Genus Macropalaina Möllendorff, 1897 accepted as Palaina O. Semper, 1865
- Genus Moderata Páll-Gergely, 2020 (1)
- Genus Moussonia O. Semper, 1865 (24)
- Genus Niahia Vermeulen, 1996 (1)
- Genus Nicida W. T. Blanford, 1868 (14)
- Genus Notharinia Vermeulen, Phung & Truong, 2007 (12)
- Genus Occidentina Harzhauser & Neubauer, 2018 † (2)
- Genus Palaina O. Semper, 1865 (180)
- Genus Paleodiplommatina D. A. Bullis, Herhold, Czekanski-Moir, Grimaldi & Rundell, 2020 † accepted as Euthema T. Yu, B. Wang & H. Pan, 2018 †
- Genus Palmatina Iredale, 1944 (3)
- Genus Paradiancta Möllendorff, 1895 (1)
- Genus Paxillus H. Adams & A. Adams, 1851 accepted as Gastroptychia Kobelt & Möllendorff, 1900
- Genus Plectostoma H. Adams, 1865 (82)
- Genus Pseudonicida Hrubesch, 1965 † (1)
- Genus Pugnellia Oppenheim, 1895 † (1)
- Genus Pulchraspira T. Yu, Salvador & Jarzembowski, 2021 † (1)
- Genus Pupoidea Pease, 1865 accepted as Palaina O. Semper, 1865
- Genus Sinoarinia Z.-Y. Chen & M. Wu, 2020 (4)
- Genus Sohtsuia Z.-Y. Chen, 2023 (1)
- Genus Styx Oppenheim, 1895 † (1)
- Genus Velepalaina Iredale, 1937 (5)
- Genus Whittenia T.-S. Liew & Clements, 2020 (2)
- Family Ferussinidae Wenz, 1923 (1915) † accepted as Ferussininae Wenz, 1923 (1915) †
- Family Hainesiidae Thiele, 1929 (220)
- Family Lagocheilidae Stoliczka, 1872 accepted as Cyclophoridae J. E. Gray, 1847
- Family Maizaniidae Tielecke, 1940 (40)
- Family Megalomastomatidae W. T. Blanford, 1864 (100)
- Family Megalostomatidae [sic] accepted as Megalomastomatidae W. T. Blanford, 1864
- Family Neocyclotidae Kobelt & Möllendorff, 1897 (242)
- Family Pupinidae L. Pfeiffer, 1853 (427)
- Family Strophostomatidae Wenz, 1915 † accepted as Ferussininae Wenz, 1923 (1915) †
- Genus Carinomphalus W. Yü, 1974 † (1)
- Genus Diplommoptychia Maillard, 1884 †
- Genus Loriolina Huckriede, 1967 † (1)
- Genus Maillardinus Bandel, 1991 † (1)
- Superfamily Viviparoidea Gray, 1847 (764)
- Order Caenogastropoda incertae sedis (7 676)
- Order Littorinimorpha (17 179)
- Order Neogastropoda (23 716)
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 156)
- 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