Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata

Phylogeny

Crown clade

Ref: J. Gauthier et al., 1988b: 106, 144. [implicit]

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

Amniota (Clade) Haeckel, 1866 [Gauthier, Kluge & Rowe 1988]		Ref: J. Gauthier et al., 1988b: 106, 144.
Lissamphibia ([unranked])		Ref: J. Gauthier et al., 1988b: 106, 144. ("extant").

Current position

Osteolepidimorpha ([unranked])

Ref: D.R. Frost et al., 2006: fig. 51. [out of scope (coherent)] [indirect]

Alternative positions

Osteolepidida ([unranked]) Boulenger, 1901	Ref: R. Cloutier & P.E. Ahlberg, 1996: 468.
Teleostomi ([unranked])	Ref: R.L. Carroll, 1988: fig. 1.3.

Historical positions

organisms ([unranked])	Ref: J. van der Land, 2001: 375.
Osteolepidida ([unranked]) Boulenger, 1901	Ref: R. Cloutier & P.E. Ahlberg, 1996: 468.
Teleostomi ([unranked])	Ref: R.L. Carroll, 1988: fig. 1.3.

Number of Subtaxa

2024	Available in Systema Naturae 2000	3c;65o;527f;5074g;31,841s;12,150ss;303v;1; ‡2o;19f;112g;392s;98ss;1v; †118o;814f;6290g;2784s;68ss;1v;104
1989-present	Systema Naturae 2000: 27 Jan 2017	[6c;65o; †2c]
1988	R.L. Carroll: 648	[4c;54o;>292f; ‡2o;8f; †56o;[>]574f]