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
                                   Genus †Amorphofungia Fromentel, 1860
                                   [Class Calcispongiæ] see Class Calcarea Bowerbank, 1864
                                   ?[Genus Cellulophana Schmidt, 1862]
                                   Genus †Cribroscyphia de Fromentel, 1860
                                   Genus †Cupulochonia de Fromentel, 1860
                                   Genus †Discaelia Fromentel, 1875
                                   Genus †Dischonia Vosmaer, 1885
                                   Genus †Discoelia Fromentel, 1861
                                   Genus †Etallonia Oppliger, 1915
                                   [Class Fibrospongiæ]
                                   Genus †Monotheles de Fromentel, 1860
                                   [Class Myxospongiæ Haeckel, 1866] see Subclass Myxospongiae Haeckel, 1866
                                   Genus †Peridonella
                                   Genus †Porosmilia
                                   Genus †Porostoma Fromentel, 1860
                                   Family †Receptaculitidae Eichwald, 1860
                                   Genus †Siphoneudea Fromentel, 1860
                                   Genus †Sparsispongia d'Orbigny, 1849
                                   Genus †Spongodiscus Zittel, 1878
                                   Genus †Steneudea
                                   Genus †Stenocoelia Fromentel, 1861
                                   0 [Class †"Sphinctozoa" Steinmann, 1882 [polyphyletic] - chambered sponges]
                                   01 ?Genus †Drosdovia Sayutina, 1980
                                   02 ?Genus †Eocoryne Matthew, 1885
                                   03 ?Genus †Thectardis Clapham, Narbonne, Gehling, Greentree & Anderson, 2004 [monotypic] - triangles
                                   04 ?Genus Placodictyum Schmidt, 1870
                                   05 ?Class †Radiocyatha Debrenne, Termier & Termier, 1970
                                   06 Family †Stromatidiidae Finks, 1960, incertae sedis
                                   07 Family †Tadassiidae Zhuravleva & Pyanovskaya, 1995, incertae sedis
                                   08 Family †Polyactinellidae Mostler, 1985, incertae sedis
                                   09 Class †Cribricyatha
                                   10 Class †Archaeocyatha Bornemann, 1884
                                   10.0 [Subphylum †Archaeocyatha Vologdin, 1937] see Class Archaeocyatha Bornemann, 1884
                                   10.0 [†"archaeocyathids"]
                                   11 Silicispongia Schmidt, 1862
                                   11.0 [Silicea Bowerbank, 1864 - siliceous sponges] see [unranked] Silicispongia Schmidt, 1862
                                   11.1.0 [Subphylum Hexactinellida Schmidt, 1870] see Class Hexactinellida Schmidt, 1870
                                   11.1.0 [Class "Hexaxtinellida" nom. null.] see Class Hexactinellida Schmidt, 1870
                                   11.1.0 [Subphylum Hyalospongiae (Vosmaer, 1886) Cavalier-Smith, 1998]
                                   11.1.0 [Subphylum "Symplasia" nom. null.] see Subphylum Symplasma Reiswig & Mackie, 1983
                                   11.1.0 [Subphylum Symplasma Reiswig & Mackie, 1983] see Class Hexactinellida Schmidt, 1870
                                   11.1.6 ["sphinctozoans"]
                                   11.2.1.0 [Class Demospongea Sollas, 1875] see Class Demospongiae Sollas, 1885
                                   11.2.1.0 [Class Demospongia] see Class Demospongiae Sollas, 1885
                                   11.2.1.0 [Class Desmospongiae] see Class Demospongiae Sollas, 1885
                                   11.2.1.0 [Class Sclerospongea] see Class Sclerospongiae Hartman & Goreau, 1970
                                   11.2.1.0 [Class Sclerospongiae Hartman & Goreau, 1970] see Class Demospongiae Sollas, 1885
                                   12.1.1 Class †Heteractinida de Laubenfels, 1955
                                   12.1.2 Class Calcarea Bowerbank, 1864 - calcareous sponges
                                   12.1.2.0 [Calcarea Bowerbank, 1864] see Class Calcarea Bowerbank, 1864
                                   12.1.2.0 [Calcispongiae]
                                   12.1.2.0 [Subphylum Calcispongiae (Blainville, 1834) Cavalier-Smith, 1998] see Class Calcarea Bowerbank, 1864
                                   12.2 Class Homoscleromorpha Dendy, 1905 [monotypic]
                                   12.2.0 [Clade Homoscleromorpha Lévi 1973 [Borchiellini et al. 2004]] see Class Homoscleromorpha Dendy, 1905
                                   12.2.0 [Subclass Homoscleromorpha Lévi, 1973 [monotypic]] see Class Homoscleromorpha Dendy, 1905
                                   n.0.1 [Subphylum Cellularia Reiswig & Mackie, 1983] see Phylum Porifera Grant, 1836