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 neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Clade scotokaryotes Cavalier-Smith 2000
                     Clade podiates Cavalier-Smith 2012
                       [crown] Clade Amorphea Adl et al. 2012
                         [crown] Clade Opisthokonta Cavalier-Smith 1987
                           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
                                 [plesion] Phylum Porifera Grant, 1836 - sponges
                                   Silicispongia Schmidt, 1862
                                     Class Hexactinellida Schmidt, 1870 - hexactinellids
                                       Subclass Amphidiscophora Schulze, 1886
                                         Order Amphidiscosida Schrammen, 1924
                                           1 Family †Pattersoniidae Miller, 1889
                                           2 Family †Pelicaspongiidae Rigby, 1970
                                           3 Family †Stiodermatidae Finks, 1960
                                           4 Family Hyalonematidae Gray, 1857
                                           5 Family Monorhaphididae Ijima, 1927 [monotypic]
                                           6 Family Pheronematidae Gray, 1870