Vertebrata Cuvier, 1812 - vertebrates
Status: extant; Count: [f†f] 7c;100o;734f; ‡2o;8f; †2c;109o;819f;10g [22 Aug 2017]
Gnathostomata
Status: extant; Count: [f†f] 6c;98o;732f; ‡2o;8f; †2c;104o;782f;9g [22 Aug 2017]
Teleostomi
Status: extant; Count: [f†f] 5c;94o;691f; ‡2o;8f; †1c;82o;712f;7g [22 Aug 2017]
Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Status: extant; Count: [f†f] 4c;54o;292f; ‡2o;8f; †56o;574f;3g [22 Aug 2017]
Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
Status: extant; Count: [f†f] 3c;51o;265f; ‡2o;8f; †48o;494f;3g [22 Aug 2017]
Class Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
Status: extant; Count: [f†f] 4o;48f; †19o;242f;2g [29 Jul 2017]
Subclass Diapsida Osborn, 1903 - diapsids
see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
Status: extant; Count: [f†f] 3o;37f; †14o;150f;1g [27 Jul 2017]
Infraclass Lepidosauromorpha Benton, 1983
see Subclass Lepidosauromorpha Benton, 1983
Status: extant; Count: [f†f] 2o;34f; †3o;38f;1g [9 Jul 2017]
Superorder Lepidosauria Haeckel, 1866
see Superorder Lepidosauriformes Gauthier, Estes & de Queiroz, 1988
Status: extant; Count: [f†f] 2o;34f; †24f [7 Jul 2017]
Order Squamata Oppel, 1811
Status: extant; Count: [f†f] 33f; †22f [7 Jul 2017]
Suborder Lacertilia Owen, 1842
Status: extant; Count: [f†f] 21f; †17f [7 Jul 2017]
Infraorder Annulata
see Suborder Amphisbaenia Gray, 1844
Status: extant; Count: [f†f] 4f; †2f [6 Jul 2017]
Family Rhineuridae Vanzolini, 1951
Status: extant; Count: -