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]
                                                     [Order †Macropetalichthyida]
                                                     [Order †Palaeospondyloidea]
                                                     [Order †Stegoselachii]
                                                     01 ?Genus †Oestophorus Miller, 1892
                                                     02 Family †Cratoselachiidae Woodward, 1932, incertae sedis
                                                     03 Order †Brindabellaspida Young, 1980 [monotypic]
                                                     04 Order †Stensioelliformes [monotypic]
                                                     04.0 [Order †Stensioellida Romer, 1945] see Order Stensioelliformes
                                                     05 Order †Pseudopetalichthyiformes [monotypic]
                                                     05.0 [Order †Pseudopetalichthida] see Order Pseudopetalichthyiformes
                                                     05.0 [Order †"Pseudopetalichthyda" [monotypic]] see Order Pseudopetalichthyiformes
                                                     06 Order †Acanthothoraci Stensiö, 1944
                                                     06.0 [Order †Acanthothoraciformes] see Order Acanthothoraci Stensiö, 1944
                                                     07 Order †Rhenanida Broili, 1930 [monotypic]
                                                     07.0 [Order †Rhenaniformes] see Order Rhenanida Broili, 1930
                                                     08 Clade †Antiarchi Cope, 1885 - antiarchs
                                                     08.0 [Order †Antiarcha (Cope, 1885)] see [unranked] Antiarchi Cope, 1885
                                                     08.0 [Order †Antiarchi Cope, 1885] see [unranked] Antiarchi Cope, 1885
                                                     08.0 [Order †Antiarchiformes Grande & Eastman, 1986 - antiarchs] see [unranked] Antiarchi Cope, 1885
                                                     09 Order †Macropetalichthyiformes
                                                     09.0 [Order †"Petalichthida"] see Order Petalichthyida Jaekel, 1911
                                                     09.0 [Order †Petalichthyida Jaekel, 1911 [monotypic]] see Order Petalichthyiformes
                                                     09.0 [Order †Petalichthyiformes] see Order Macropetalichthyiformes
                                                     10 Order †Ptyctodontiformes [monotypic]
                                                     10.0 [Order †Ptyctodontida Gross, 1932 [monotypic]] see Order Ptyctodontiformes
                                                     11 Clade †Arthrodira Woodward, 1891
                                                     11.0 [Order †Arthrodira Woodward, 1891] see [unranked] Arthrodira Woodward, 1891
                                                     11.0 [Order †Arthrodiriformes Grande & Eastman, 1986 - arthrodires] see [unranked] Arthrodira Woodward, 1891
                                                     11.1 [Order †Phyllolepida Stensiö, 1934] see Suborder Phyllolepidoidei