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
                                     [crown] Class Demospongiae Sollas, 1885 - demosponges
                                       Subclass Lithistida Schmidt, 1870
                                         Order Tetralithistida Lagneau-Hérenger, 1962
                                           Suborder Tetracladina Zittel, 1878
                                             Family Theonellidae Lendenfeld, 1903
                                               Subfamily Theonellinaeᵀ von Lendenfeld, 1903
                                                 01 ?Genus †Placoscytus Schrammen, 1910
                                                 02 Genus †Colossolacis Schrammen, 1910
                                                 03 Genus †Rhoptrum Schrammen, 1910
                                                 04 Genus †Leiophyllum Schrammen, 1924
                                                 05 Genus †Stellettites Carter, 1871
                                                 06 Genus Discodermia du Bocage, 1869
                                                 07 Genus Theonellaᵀ Gray, 1869
                                                 08 Genus Racodiscula Zittel, 1878
                                                 09 Genus Siliquariaspongia Hoshino, 1981
                                                 10 Genus Manihinea Pulitzer-Finali, 1993