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
                                   Class Calcarea Bowerbank, 1864 - calcareous sponges
                                     [Subclass Pharetronidia]
                                       [Order Pharetronida Zittel, 1878] see Subclass Pharetronidia
                                         Genus †Acoelia Sheng, 1991
                                         Genus †Alasonia Sírková, 1939
                                         Genus †Aphlebospongia Sírková, 1939
                                         Genus †Aplosphecion Pomel, 1872
                                         Genus †Blastinoidea Richardson & Thacker, 1920
                                         Genus †Calicia Dullo & Lein, 1980
                                         Genus †Cavusonella Rigby, Fan Jiasong & Zhang Wei, 1989
                                         Genus †Cnemicopanon Pomel, 1872
                                         Genus †Coeloconia Pomel, 1872
                                         Genus †Coniatopenia Pomel, 1872
                                         Genus †Conispongia Etallon, 1859
                                         Genus †Conocoelia Zittel, 1878
                                         Genus †Cornuaspongia Senowbari-Daryan, 1994
                                         Genus †Daharella Rigby & Senowbari-Daryan, 1996
                                         Genus †Diasterofungia Fromentel, 1861
                                         Genus †Diestosphecion Pomel, 1872
                                         Genus †Diplostoma de Fromentel, 1860, nom. illeg.
                                         Genus †Discocoeila
                                         Genus †Dyoconia Pomel, 1872
                                         Genus †Dyocopanon Pomel, 1872
                                         Genus †Euzittelia Zeise, 1897
                                         Genus †Fissispongia King, 1938
                                         Genus †Gigantospongia Rigby & Senowbari-Daryan, 1996
                                         Genus †Holocoelia Steinmann, 1913
                                         Genus †Inobolia Hinde, 1883
                                         [Genus †Lymnorea Lamouroux, 1821, nom. illeg.] see Genus Lymnorella Hinde, 1893
                                         Genus †Meandrostia
                                         Genus †Molengraafia
                                         Genus †Pachymura Welter, 1911
                                         Genus †Pachytilodia Zittel, 1878
                                         [Genus †Peronella Zittel, 1878, nom. illeg.] see Genus Peronidella Zittel, 1893
                                         Genus †Plectinia Pocta, 1903
                                         Genus †Polycnemiseudea
                                         Genus †Polyendostoma Roemer, 1864
                                         Genus †Porosphaerella Welter, 1911
                                         Genus †Precorynella Dieci, Antonacci & Zardini, 1970
                                         Genus †Radicispongia Quenstedt, 1877
                                         Genus †Rauffia Zeise, 1897
                                         Genus †Reticulcoelia
                                         Genus †Sagittularia Welter, 1910
                                         Genus †Solenocoelia Cuif, 1973
                                         Genus †Spinospongia Rigby & Senowbari-Daryan, 1996
                                         [Genus †"Steinmanella" Crickmay, 1930] see Genus Steinmannella Welter, 1911
                                         Genus †Thallospongia Rigby & Senowbari-Daryan, 1996
                                         Genus †Trachyphlyctia Pomel, 1872
                                         Genus †Trachysinia Hinde, 1883
                                         Genus †Trachyspecion
                                         Genus †Trammeria Senowbari-Daryan, 1994
                                         Genus †Tremospongia d'Orbigny, 1849
                                         Genus Tretocalia Hinde, 1900
                                         Genus †Tubispongia
                                         Genus †Virmula Gregorio, 1930
                                         1 Genus †Myrmecidium Vinassa de Regny, 1901
                                         2 [Suborder Chalarina de Laubenfels, 1955]
                                         3 [Suborder Stereina de Laubenfels, 1955]
                                         4 [Suborder Inoza Steinmann, 1882]