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
                                   Class Homoscleromorpha Dendy, 1905 [monotypic]
                                     Order Homosclerophoridaᵀ Dendy, 1905
                                       Family Plakinidae Schulze, 1880
                                         1 Genus †Acanthopora
                                         2 Genus †Acanthoplakina Burton, 1959
                                         3 Genus Corticium Schmidt, 1862
                                         4.1 Genus Plakinaᵀ Schulze, 1880
                                         4.2 Genus Placinolopha Topsent, 1897
                                         4.3 Genus Plakinastrella Schulze, 1880
                                         4.4 Genus Plakortis Schulze, 1880
                                         5 Genus Tetralophophora Rützler, Piantoni, van Soest & Díaz, 2014