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
                                         01 Genus †Pinnatispongia Xiping & Knoll, 1996, incertae sedis
                                         02 Genus †Silicunculus Bengtson, 1986, incertae sedis
                                         03 Genus †Kometia Webby & Trotter, 1993, incertae sedis
                                         04 Genus †Konyrium Nazarov & Popov, 1976, incertae sedis
                                         05 Genus †Australispongia Xiping & Knoll, 1996, incertae sedis
                                         06 Genus †Chelispongia Webby & Trotter, 1993, incertae sedis
                                         07 Genus †Bothroconis King, 1850, incertae sedis
                                         08 Genus †Hodsia Moisseev, 1939, incertae sedis
                                         09 Genus †Baccispongia Quenstedt, 1877, incertae sedis
                                         10 Genus †Crucispongia Quenstedt, 1877, incertae sedis
                                         11 Genus †Acanothyia Pomel, 1872, incertae sedis
                                         12 Genus †Antrispongia Quenstedt, 1878, incertae sedis
                                         13 Genus †Diplopleuriana Reid, 2004, incertae sedis
                                         14 Genus †Farreopsis Schrammen, 1924, incertae sedis
                                         15 Genus †Lonsda de Laubenfels, 1955, incertae sedis
                                         16.1 Order †Innaecoeliida Boiko, 1990 [monotypic]
                                         16.2 Order Hexactinosida Schrammen, 1903
                                         16.3 Order Aulocalycoida Tabachnick & Reiswig, 2000
                                         17 Order Lychniscosida Schrammen, 1903
                                         18 Order Lyssacinosida Zittel, 1877