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
                                     [Order Lebetida de Laubenfels, 1955] see Order Calcaronea Bidder, 1898
                                     [Order Solenida de Laubenfels, 1955]
                                     01 Genus †Dodecaactinella Reif, 1968
                                     01.0 [Genus †Polyactinella Mostler, 1985, incertae sedis] see Genus Dodecaactinella Reif, 1968
                                     01.0 [Genus †Sardospongia Mostler, 1985] see Genus Dodecaactinella Reif, 1968
                                     02 Genus †Phobetractinia Reif, 1968, incertae sedis
                                     03 Genus †Zigzagella Jiang & Huang, 1986, incertae sedis
                                     04 Genus †Gaspespongia Parkes, 1933, incertae sedis
                                     05 Genus †Scribroporella Spriesterbach, 1935, incertae sedis
                                     07 Genus †Oligoplagia Herak, 1943, incertae sedis
                                     08 Genus †Epeudea Fromentel, 1860, incertae sedis
                                     09 [Order †Heteractinida Hinde, 1887] see Class Heteractinida de Laubenfels, 1955
                                     10 Subclass Calcinea Bidder, 1898
                                     10.0 [Subclass Calcinia] see Subclass Calcinea Bidder, 1898
                                     10.n [Subclass Pharetronidia]
                                     10.n.1.0 [Inozoa] see Order Pharetronida Zittel, 1878
                                     11 Subclass Calcaronea Bidder, 1898
                                     11.0 [Order Calcaronea Bidder, 1898] see Subclass Calcaronea Bidder, 1898
                                     11.0 [Subclass Calcaronia] see Subclass Calcaronea Bidder, 1898
                                     11.0 [Subclass Sphinctozoa Hartman, 1982 [polyphyletic]] see Order Sphinctozoa (Steinmann, 1882)
                                     11.1 [Order †Sphaerocoelida Vacelet, 1979] see Order Sphaerocoeliida Vacelet, 1979
                                     11.2.0 [Order †Thalamida de Laubenfels, 1955] see Order Permosphincta Termier & Termier, 1974
                                     12 [Order †"Sphinctozoa" (Steinmann, 1882)]