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
                                 Phylum Porifera Grant, 1836 [coordinate rank] - sponges
                                   Silicispongia Schmidt, 1862
                                     Class Hexactinellida Schmidt, 1870 - hexactinellids
                                       Subclass Hexasterophora Schulze, 1886
                                         [Order Lychniscosa Schrammen, 1903] see Order Lychniscosida Schrammen, 1903
                                           [Genus Aulophax]
                                           Genus †Calycospongia Wu, 1990
                                           Genus †Cyclostigma Schrammen, 1912
                                           Genus †Dracolychnus Wu, 1990
                                           [Genus †Elasma Regnard, 1925, nom. illeg.] see Genus Regnardielasma Zhuravleva, 1962
                                           Genus †Gyrispongia Quenstedt, 1878
                                           Genus †Hapalopegma Schrammen, 1912
                                           Genus †Marshallia Zittel, 1878
                                           [Genus †Moretia Herenger, 1944, nom. illeg.] see Genus Moretiella Breistroffer, 1949
                                           [Genus †Myrmecioptychium Schrammen, 1912] see Subgenus Myrmecioptychium Schrammen, 1912
                                           [Genus †Neomoretia Zhuravleva, 1962, nom. illeg.] see Genus Moretiella Breistroffer, 1949
                                           Genus †Ornatus de Laubenfels, 1955
                                           Genus †Pachyrachis
                                           [Genus †Phalacrus Schrammen, 1912, nom. illeg.] see Genus Ornatus de Laubenfels, 1955
                                           Genus †Phanerochiderma Schrammen, 1936
                                           Genus †Polyblastidium Zittel, 1878
                                           Genus †Rhizocheton Lachasse, 1943
                                           Genus †Rhizopoteronopsis
                                           Genus †Rhizopterion
                                           Genus †Triadocoelia Vinassa de Regny, 1911
                                           07.2 [Family †Microblastididae Schrammen, 1912] see Subfamily Microblastidinae Schrammen, 1912
                                           07.3.0 [Family †Becksidae Schrammen, 1912] see Subfamily Becksinae Schrammen, 1912
                                           11.0 [Family †Coeloscyphiidae de Laubenfels, 1955] see Family Polyblastidiidae Schrammen, 1912
                                           12.4 [Family †Oncotoechidae Schrammen, 1912 [monotypic]] see Subfamily Dactylocalycinae Gray, 1867
                                           x [Genus †Monilispongia Wu, 1990] see Genus Casearia Quenstedt, 1858