 Natura - nature | | Mundus Plinius - physical world | | Naturalia - natural bodies | | Biota | | Domain Eukaryota Chatton, 1925 - eukaryotes | | Unikonta | | Opisthokonta Cavalier-Smith, 1987 | | Holozoa | | Kingdom Animalia C. Linnaeus, 1758 - animals | | Epitheliozoa Ax, 1996 | | Eumetazoa Bütschli, 1910 - eumetazoans | | Bilateria Hatschek, 1888 - bilaterians | | Eubilateria Ax, 1987 | | Deuterostomia Grobben, 1908 - deuterostomes | | Phylum Chordata Bateson, 1885 - chordates | | Subphylum Vertebrata Cuvier, 1812 - vertebrates | | Infraphylum Gnathostomata auct. - jawed vertebrates | | Superclass Tetrapoda Goodrich, 1930 - tetrapods | | Reptiliomorpha | | Batrachosauria | | Amniota | | Synapsida Osborn, 1903 | | Therapsida Broom, 1905 | | Theriodontia | | Eutheriodontia |  Cynodontia Owen, 1861 |  Family †Procynosuchidae | | Family †Galesauridae Lydekker, 1890 | | Family †Thrinaxodontidae Watson & Romer, 1956 | | Eucynodontia Kemp, 1982 |
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