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 neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Clade scotokaryotes Cavalier-Smith 2000
                     Clade podiates Cavalier-Smith 2012
                       [crown] Clade Amorphea Adl et al. 2012
                         [crown] Clade Opisthokonta Cavalier-Smith 1987
                           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 Vertebrata Cuvier, 1812 - vertebrates
                                             [Class Agnatha Cope, 1889 [paraphyletic]]
                                               [Subclass †Pteraspidomorphi Goodrich, 1909] see Class Pteraspidomorphi Goodrich, 1909
                                                 [Order †Heterostraci Lankester, 1868 - heterostracans] see Subclass Heterostraci Lankester, 1868
                                                   [Family †Ceraspidae nom. illeg. [monotypic]]
                                                   Genus †Palaeodus
                                                   04.0 [Family †Cyathaspidae] see Family Cyathaspididae Flower & Wayland-Smith, 1952
                                                   05 [Family †Amphiaspidae] see Family Amphiaspididae
                                                   06 [Family †Corvaspidae Dineley, 1953] see Family Corvaspididae Dineley, 1953
                                                   08 [Family †Pteraspidae] see Family Pteraspididae Claypole, 1885
                                                   10.0 [Family †Drepanaspidae [monotypic]] see Family Psammosteidae Traquair, 1896
                                                   n [Family †Coelolepidae Pander, 1856] see Family Coelolepididae Pander, 1856
                                                   n [Family †Thelodontidae] see Family Coelolepididae Pander, 1856