Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       [crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Protostomia Grobben, 1908
                                         Superphylum Spiralia Schleip, 1929
                                           Clade Platytrochozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014
                                             Clade Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
                                               Clade Trochozoa Beklemischev, 1944 - trochozoans
                                                 Clade Tetraneuralia Wanninger 2009
                                                   Phylum Mollusca Linnaeus, 1758 - molluscs
                                                     Subphylum Conchifera Gegenbauer, 1878
                                                       Ganglioneura Rudophi, 1812
                                                         Clade Pleistomollusca Kocot, Cannon, Todt, Citarella, Kohn, Meyer, Santos, Schander, Moroz, Lieb & Halanych 2011
                                                           Class Gastropoda Cuvier, 1795 - snails and slugs
                                                             Subclass Orthogastropoda Ponder & Lindberg, 1995
                                                               Apogastropoda Salvini-Plawen & Haszprunar, 1987
                                                                 Superorder Heterobranchia Burmeister, 1837
                                                                   Euthyneura Spengel, 1881
                                                                     Tectipleura Schrödl, Jörger, Klussmann-Kolb & Wilson, 2011
                                                                       Panpulmonata Jörger, Stöger, Kano, Fukuda, Knebelsberger & Schrödl, 2010
                                                                         Order Eupulmonata Haszprunar & Huber, 1990
                                                                           Suborder Stylommatophora Schmidt, 1855 - higher pulmonates
                                                                             Informal Group "Sigmurethra" Pilsbry, 1900
                                                                               "limacoid clade"
                                                                                 Superfamily Helicoidea Rafinesque, 1815
                                                                                   [Family Albeidae Pallary, 1910] see Subfamily Sphincterochilinae Zilch, 1960 (1910)
                                                                                   [Family Calcarinidae Pallary, 1909, nom. illeg.] see Subfamily Sphincterochilinae Zilch, 1960 (1910)
                                                                                   01 Family Polygyridae Pilsbry, 1895
                                                                                   02 Family Thysanophoridae Pilsbry, 1926
                                                                                   03 Family Camaenidae Pilsbry, 1895
                                                                                   03.1.0 [Family "Calyciidae" Iredale, 1941, nom. nud.] see Subfamily Camaeninae Pilsbry, 1895
                                                                                   03.1.0 [Family Chloritidae Iredale, 1938] see Subfamily Camaeninae Pilsbry, 1895
                                                                                   03.1.0 [Family Hadridae Iredale, 1937] see Subfamily Camaeninae Pilsbry, 1895
                                                                                   03.1.0 [Family Papuinidae Iredale, 1938] see Subfamily Camaeninae Pilsbry, 1895
                                                                                   03.1.0 [Family Planispiridae Iredale, 1941] see Subfamily Camaeninae Pilsbry, 1895
                                                                                   03.1.0 [Family Xanthomelontidae Iredale, 1937] see Subfamily Camaeninae Pilsbry, 1895
                                                                                   04 Family Pleurodontidae Ihering, 1912
                                                                                   04.0 [Family Lampadiidae Winckworth, 1945] see Family Pleurodontidae Ihering, 1912
                                                                                   05 Family Sphincterochilidae Zilch, 1960 (1910)
                                                                                   06 Family Hygromiidae Tryon, 1866
                                                                                   06.1.3 [Family Helicellidae Ihering, 1909] see Tribe Helicellini Ihering, 1909
                                                                                   07 Family Halolimnohelicidae Nordsieck, 1986
                                                                                   08 Family Cochlicellidae Schileyko, 1972
                                                                                   09 Family Helicidaeᵀ Rafinesque, 1815
                                                                                   09.6.1.0 [Family Allognathidae Westerlund, 1902] see Tribe Helicini Rafinesque, 1815
                                                                                   09.6.3.0 [Family Leucochroidae Westerlund, 1886, nom. rej.] see Tribe Thebini Wenz, 1923
                                                                                   09.6.3.0 [Family Xerophilidae Mörch, 1864, nom. illeg.] see Tribe Thebini Wenz, 1923
                                                                                   10 Family Elonidae Gittenberger, 1977
                                                                                   11 Family Helicodontidae Kobelt, 1904
                                                                                   12 Family Trissexodontidae Nordsieck, 1987
                                                                                   13 Family Bradybaenidae Pilsbry, 1934 (1898)
                                                                                   13.0 [Family "Bradibaenidae" orth. inval.] see Family Bradybaenidae Pilsbry, 1934 (1898)
                                                                                   14 Family Epiphragmophoridae Hoffmann, 1928
                                                                                   15 Family Helminthoglyptidae Pilsbry, 1939
                                                                                   16 Family Humboldtianidae Pilsbry, 1939
                                                                                   17 Family Monadeniidae Nordsieck, 1987
                                                                                   18 Family Xanthonychidae Strebel & Pfeffer, 1879
                                                                                   19 Family Cepolidae Ihering, 1909, nom. illeg.