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 Hexasterophora Schulze, 1886
                                         Order Hexactinosida Schrammen, 1903
                                           Suborder Sceptrulophora Mehl, 1992
                                             Superfamily Pileolitoidea Finks, 1960
                                               Family Euretidae Zittel, 1877
                                                 Subfamily Euretinaeᵀ Zittel, 1877
                                                   01 Genus †Alosculum Wu, 1990
                                                   02 Genus †Dracospongia Rigby, Xichun & Jiasong, 1998
                                                   03 Genus †Radioplica Wu, 1990
                                                   04 Genus †Linonema de Laubenfels, 1955
                                                   05 Genus †Mastodictyum Sollas, 1883
                                                   06 Genus †Ordinatus de Laubenfels, 1955
                                                   07 Genus †Plectospyris Sollas, 1883
                                                   08 Genus †Polypyge Schrammen, 1936
                                                   09 Genus †Ramispongia Quenstedt, 1877
                                                   10 Genus Eureteᵀ Semper, 1868
                                                   11 Genus †Verrucocoelia Étallon, 1859
                                                   12 Genus †Blondetia Hérenger, 1944
                                                   13 Genus †Lopanella Pocta, 1883
                                                   14 Genus †Nemarete Reid, 1961
                                                   15 Genus †Pseudocavispongia Hérenger, 1944
                                                   16 Genus †Wapkiosa de Laubenfels, 1955
                                                   17 Genus †Zittelispongia Sintzov', 1879
                                                   18 Genus †Plecteurete Herrmann-Degen, 1980
                                                   19 Genus Pararete Ijima, 1927
                                                   20 Genus Calyptorete Okada, 1925
                                                   21 Genus Conorete Ijima, 1927
                                                   22 Genus Endorete Topsent, 1928
                                                   23 Genus Gymnorete Ijima, 1927
                                                   24 Genus Heterorete Dendy, 1916
                                                   25 Genus Homoieurete Reiswig & Kelly, 2011
                                                   26 Genus Lefroyella Thomson, 1877
                                                   27 Genus Pityrete Topsent, 1928