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
Myopterygii - myopterygians
Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
Grade Teleostomi Bonaparte, 1836
Euteleostomi - bony vertebrates
Clade Sarcopterygii Romer, 1955
[crown] Rhipidistia Cope, 1887
Clade Tetrapodomorpha Ahlberg, 1991
Clade Osteolepidimorpha
Clade Tetrapoda Goodrich, 1930
[crown] Clade Neotetrapoda
Clade Reptiliomorpha Säve-Söderbergh, 1934
Batrachosauria
Clade Amniota Haeckel, 1866 - amniotes
Class Reptilia Linnaeus, 1758 - reptiles
Eureptilia Olson, 1947
Romeriida Gauthier, Kluge & Rowe, 1988
Clade Diapsida Osborn 1903 [Laurin 1991]
Clade Neodiapsida Benton 1985 [Laurin 1991] {Reisz, Modesto & Scott 2011}
[crown] Clade Sauria McCartney 1802 [Gauthier, Kluge & Rowe 1988]
Subclass Lepidosauromorpha Benton, 1983
Superorder Lepidosauriformes Gauthier et al., 1988
Order Sphenodontida Carroll, 1985
Family Sphenodontidaeᵀ Cope, 1869 - tuataras
1 ?Genus †Chometokadmon Costa, 1864
2 ?Genus †Pachystropheus Huene, 1935
3 ?Genus †Palacrodon Broom, 1906
4 ?Genus †Scharschengia Huene, 1940
5.1.1 Genus †Polysphenodon Jaekel, 1911
5.1.2 Genus †Brachyrhinodon Huene, 1910
5.2 Genus †Clevosaurus Swinton, 1939
6.1 Genus †Pelecymala Fraser, 1986, sedis mutabilis
6.2 Genus †Homoeosaurus Meyer, 1845
6.3.1 Genus †Piocormus Wagner, 1852, sedis mutabilis
6.3.2.1 Genus †Kallimodon Cocude-Michel, 1963
6.3.2.2 Genus †Leptosaurus Fitzinger, 1843
6.3.3.1 Genus †Sapheosaurus Meyer, 1850
6.3.3.2.1.1 Genus †Eilenodon Rasmussen & Callison, 1981
6.3.3.2.1.2 Genus †Toxolophosaurus Olson, 1960
6.3.3.2.2.1? Genus †Sigmala Fraser, 1986
6.3.3.2.2.2 Genus †Opisthias Gilmore, 1909
6.3.3.2.2.3 Genus Sphenodonᵀ Gray, 1831 [monotypic]