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
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Craniata auct.
                                             Infraphylum Vertebrata Lamarck, 1801 - vertebrates
                                               Clade Pan-Gnathostomata Downs 2020
                                                 Superclass Gnathostomataᵀ Gegenbaur, 1874 - jawed vertebrates
                                                   [stem] Class †Placodermi McCoy, 1848 [paraphyletic]
                                                     Genus †Aficanaspis
                                                     Genus †Arctonema Orvig, 1969
                                                     Genus †Arenipiscis Young, 1981
                                                     Genus †Aspidichthys Newberry, 1873
                                                     Genus †Belemnacanthus Eastman, 1898
                                                     Genus †Belosteus Jaekel, 1927
                                                     Genus †Burrinijucosteus
                                                     Genus †Callognathus Newberry, 1890
                                                     Genus †Copanognathus Hussakof & Bryant, 1920
                                                     Genus †Cosmacanthus Agassiz, 1845
                                                     Genus †Cyrtosteus Gross, 1932
                                                     Genus †Deirosteus Wells, 1942
                                                     Genus †Deveonema Kulczycki, 1957
                                                     Genus †Dinomylostoma Eastman, 1906
                                                     Genus †Diplognathus Newberry, 1878
                                                     Genus †Eldenosteus Miles, 1965
                                                     Genus †Errolosteus Young, 1981
                                                     Genus †Glyptaspis Newberry, 1889[1890]
                                                     Genus †Grazosteus Gross, 1958
                                                     Genus †Gyroplacosteus Obrutschev, 1930
                                                     Genus †Holdenius Dunkle & Bungart, 1942
                                                     Genus †Hollardosteus
                                                     Genus †Kendrichthys
                                                     Genus †Kimberleyichthyes
                                                     Genus †Kimberleyichthys Dennis-Bryan & Miles, 1983
                                                     Genus †Kweichowlepis
                                                     Genus †Lanrentaspis Pageau, 1969
                                                     Genus †Machaerognathus Hussakof & Bryant, 1919
                                                     Genus †Malerosteus Kulczycki, 1957
                                                     Genus †Megaloplax Obrutschev, 1933
                                                     Genus †Microsteus Gross, 1932
                                                     Genus †Murmur Whitley, 1951
                                                     Genus †Operchaliosteus
                                                     Genus †Overtonaspis White, 1961
                                                     Genus †Parabelosteus
                                                     Genus †Paramylostoma
                                                     Genus †Platyaspis Koenen, 1895, nom. illeg.
                                                     Genus †Qataraspis
                                                     Genus †Rachiosteus
                                                     Genus †Rhenonema Obruchev, 1964
                                                     Genus †Squamatognathus Hanke, Stewart & Lammers, 1996
                                                     Genus †Stuertzaspis Westoll & Miles, 1963
                                                     Genus †Timanosteus Obrucheva, 1962
                                                     Genus †Toombsosteus White, 1978
                                                     Genus †Tropidosteus Gross, 1933
                                                     Genus †Wheathillaspis White, 1961
                                                     Genus †Taunaspis Schmidt, 1933