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
Order Hexactinosida Schrammen, 1903
Suborder Sceptrulophora Mehl, 1992
1 Genus Sarostegia Topsent, 1904, incertae sedis
2 Family Farreidae Gray, 1872
3 Superfamily Pileolitoidea Finks, 1960
4 Family Cribrospongiidae Roemer, 1864
5 Family Aphrocallistidae Gray, 1867
6.1 Family Tretodictyidae Schulze, 1886
6.2 Family Auloplacidae Schrammen, 1912
7 Family Fieldingiidae Tabachnick & Janussen, 2004 [monotypic]