Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         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
                     Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         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 Demospongiae Sollas, 1885 - demosponges
                                       Subclass Haploscleromorpha Cárdenas, Pérez & Boury-Esnault, 2012 [monotypic]
                                         Order Haplosclerida Topsent, 1928
                                           Suborder Haplosclerinaᵀ Topsent, 1928
                                             Family Callyspongiidae de Laubenfels, 1936
                                               Genus Callyspongiaᵀ Duchassaing & Michelotti, 1864
                                                 Callyspongia diffusa (Ridley, 1884)
                                                 Callyspongia roosevelti van Soest et al., 2011
                                                 Callyspongia vaginalis (Lamarck, 1814)
                                                 1 Subgenus Callyspongia (Callyspongia)ᵀ Duchassaing & Michelotti, 1864
                                                 2 Subgenus Callyspongia (Cavochalina) Carter, 1882
                                                 3 Subgenus Callyspongia (Cladochalina) Schmidt, 1870
                                                 4 Subgenus Callyspongia (Euplacella) Lendenfeld, 1887
                                                 5 Subgenus Callyspongia (Toxochalina) Ridley, 1884