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
                                     [crown] Class Demospongiae Sollas, 1885 - demosponges
                                       Subclass Heteroscleromorpha Cárdenas, Pérez & Boury-Esnault, 2012
                                         Order Halichondrida Vosmaer, 1887
                                           Family Axinellidae Carter, 1875
                                             01 Genus Axinellaᵀ Schmidt, 1862
                                             01.0 [Genus Axidragma Hallmann, 1917] see Genus Axinella Schmidt, 1862
                                             01.0 [Genus Axinosia Hallmann, 1914] see Genus Axinella Schmidt, 1862
                                             01.0 [Genus "Chalinissa" Lendenfeld, 1887, nom. nud.] see Genus Chalinissa Lendenfeld, 1887
                                             01.0 [Genus Chalinissa Lendenfeld, 1887] see Genus Axinella Schmidt, 1862
                                             01.0 [Genus Pseudaxinella Schmidt, 1875] see Genus Axinella Schmidt, 1862
                                             01.0 [Genus Querciclona de Laubenfels, 1936] see Genus Axinella Schmidt, 1862
                                             01.0 [Genus Teichaxinella de Laubenfels, 1936] see Genus Axinella Schmidt, 1862
                                             01.0 [Genus Tragosia Gray, 1867] see Genus Axinella Schmidt, 1862
                                             02 Genus Auletta Schmidt, 1870
                                             03 Genus Cymbastela Hooper & Bergquist, 1992
                                             04 Genus Dragmacidon Hallmann, 1916
                                             05 Genus Dragmaxia Hallmann, 1916
                                             06 Genus Ophiraphidites Carter, 1876
                                             07 Genus Pararhaphoxya Burton, 1934
                                             08 Genus Phakellia Bowerbank, 1862
                                             08.0 [Genus Adreissa Topsent, 1932] see Genus Phakellia Bowerbank, 1862
                                             08.0 [Genus "Phacellia" Lendenfeld, 1897] see Genus Phakellia Bowerbank, 1862
                                             09 Genus Phycopsis Carter, 1883
                                             09.0 [Genus Ketosus de Laubenfels, 1936] see Genus Phycopsis Carter, 1883
                                             10 Genus Pipestela Alvarez, Hooper & van Soest, 2008
                                             11 Genus Ptilocaulis Carter, 1883
                                             12 Genus Reniochalina Lendenfeld, 1888
                                             12.0 [Genus Axiamon Hallmann, 1914] see Genus Reniochalina Lendenfeld, 1888
                                             n [Genus Oxeostilon Ferrer-Hernandez, 1923] see Genus Spongosorites Topsent, 1896
                                             x [Genus Axingella Topsent, 1934] see Subgenus Parasyringella Topsent, 1928