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
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
Myopterygii - myopterygians
Superclass †Osteostracomorphi [monotypic]
Class †Cephalaspidomorphi Moy-Thomas & Mile, 1971
Order †Cephalaspidiformesᵀ
Genus †Aachenaspis
Genus †Boreaspis Stensiö, 1927
Genus †Didymaspis Lankester, 1867
Genus †Fieldingaspis
Genus †Ilemoraspis Obruchev, 1961
Genus †Oeselaspis Robertson, 1935
Genus †Procephalaspis Denison, 1951
Genus †Saaremaaspis
Genus †Superciliaspis Adra & Wi, 1994
Genus †Tannuaspis Obruchev, 1956
Genus †Timanaspis Obruchev, 1962
Genus †Tuvaspis Obruchev, 1956
Genus †Tyriaspis Heintz, 1967
Genus †Waengsjoeaspis Janvier, 1985
1 Family †Ateleaspidae Traquair, 1899 [monotypic]
2 Genus †Hirella Cossmann, 1920
3 Genus †Hemicyclaspis Lankester, 1870
4 †Cornuata