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
                                                     Class Solenogastres Gegenbaur, 1878
                                                       Order Cavibelonia Salvini-Plawen, 1978
                                                         01 Family Notomeniidae Salvini-Plawen, 2004 [monotypic]
                                                         02 Family Pruvotinidae Heath, 1911, nom. corr.
                                                         02.0 [Family "Paramenidae" Pruvot, 1902, nom. null.] see Family Parameniidae Simroth, 1893, nom. illeg.
                                                         02.0 [Family Parameniidae Simroth, 1893, nom. illeg.] see Family Pruvotinidae Heath, 1911, nom. corr.
                                                         02.0 [Family Pararrhopaliidae Salvini-Plawen, 1972] see Family Pruvotinidae Heath, 1911, nom. corr.
                                                         02.0 [Family Perimeniidae Nierstrasz, 1908] see Family Pruvotinidae Heath, 1911, nom. corr.
                                                         02.0 [Family "Pruvotiniidae" Heath, 1911, nom. inval.] see Family Pruvotinidae Heath, 1911, nom. corr.
                                                         03 Family Rhopalomeniidae Salvini-Plawen, 1978
                                                         04 Family Acanthomeniidae Salvini-Plawen, 1978
                                                         05 Family Amphimeniidae Salvini-Plawen, 1972
                                                         06 Family Simrothiellidae Salvini-Plawen, 1978
                                                         07 Family Drepanomeniidae Salvini-Plawen, 1978
                                                         08 Family Strophomeniidae Salvini-Plawen, 1978
                                                         09 Family Proneomeniidae Simroth, 1893
                                                         09.0 [Family Proneomenidae] see Family Proneomeniidae Simroth, 1893
                                                         10 Family Epimeniidae Salvini-Plawen, 1978
                                                         11 Family Syngenoherpiidae Salvini-Plawen, 1978 [monotypic]
                                                         12 Family Rhipidoherpiidae Salvini-Plawen, 1978