Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia

Authorship (clade)

PhyloCode author citation		: Benton 1983 [Gauthier, Estes & de Queiroz 1988] {Laurin 1991}
SN2000 author citation		: M.J. Benton, 1983 [J. Gauthier et al., 1988] {M. Laurin, 1991}

Phylogeny

Node-based clade

Ref: M. Laurin, 1991: 89. [implicit]

Defined by the most recent common ancestor (and all its descendants) of

†Kuehneosaurus (Genus) Robinson, 1962		Ref: M. Laurin, 1991: 89.
†Palaeagama (Genus) Broom, 1926		Ref: M. Laurin, 1991: 89.
†Paliguana (Genus) Broom, 1903		Ref: M. Laurin, 1991: 89.
†Saurosternon (Genus) Huxley, 1868		Ref: M. Laurin, 1991: 89.
Sphenodon (Genus) Gray, 1831		Ref: M. Laurin, 1991: 89.
Squamata (Clade) Oppel 1811 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval.		Ref: M. Laurin, 1991: 89 ("squamates").

Generic clade

Lepidosauromorpha (Clade) Benton 1983 [Benton 1985]

Ref: M. Laurin, 1991: 89.

Current position

Diapsida (Clade) Osborn 1903 [Laurin 1991]

Ref: J.S. Nelson, 2006: 467.

Alternative positions

Neodiapsida (Clade) Benton 1985	Ref: M.J. Benton, 2004: fig. 1.2. [out of scope (coherent)]
Sauria (Clade) McCartney 1802 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.	Ref: R.R. Reisz et al., 2011: fig. 4.

Historical positions

reptiles (Clade) Linnaeus 1758 [Laurin & Reisz 2020]	Src: M.D. Ezcurra et al., 2020: ext. data fig. 4.
Diapsida (Clade) Osborn 1903 [Laurin 1991]	Src: J.S. Nelson, 2006: 467.
Neodiapsida (Clade) Benton 1985	Src: M.J. Benton, 2004: fig. 1.2. [out of scope (coherent)]
Sauria (Clade) McCartney 1802 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.	Src: M. Laurin, 1991: 83, 89-90, fig. 11. [emended diagnosis]
Diapsida (Clade) Osborn 1903 [Laurin 1991]	Src: M.J. Benton, 1990: fig. 1.1.

Number of Subtaxa

1989-present

Systema Naturae 2000: 25 Feb 2017

[1c;2o;82f;1091g;10,075s; †1c;3o]