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 Hexactinellida Schmidt, 1870 - hexactinellids
                                       Subclass Amphidiscophora Schulze, 1886
                                         Order †Reticulosa Reid, 1958
                                           Superfamily †Dictyospongioidea Hall & Clarke, 1899
                                             Family †Dictyospongiidaeᵀ Hall & Clarke, 1898
                                               Subfamily †Hydnoceratinae Finks & Rigby, 2004
                                                 01 ?Genus †Clepsydrospongia Hall & Clarke, 1898
                                                 02 ?Genus †Tylodictya Hall & Clarke, 1900
                                                 03 Genus †Protoprisma Rigby & Collins, 2004
                                                 04 Genus †Ceratodictya Hall & Clarke, 1898
                                                 05 Genus †Hydnocerasᵀ Conrad, 1842
                                                 06 Genus †Hydnocerina Clarke, 1920
                                                 07 Genus †Rhabdosispongia Hall & Clarke, 1898
                                                 08 Genus †Botryodictya Hall & Clarke, 1898
                                                 09 Genus †Cleodictya Hall, 1884
                                                 10 Genus †Hydnoangulus Rigby & Ausich, 1981