Concise hierarchy

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

Current position

Cladistii (Class) Cope, 1870

Ref: R. van der Laan et al., 2021: (4 Feb 2025); ECoF(4 Feb 2025).

Alternative positions

Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 27.
Brachiopterygii (Subclass)
Chondrostei (Infraclass) Müller, 1844	Ref: R.L. Carroll, 1988: 603.
Cladistia (Infraclass) Cope, 1870	Ref: R. van der Laan, 2018: 51.
Cladistia (Subclass) Cope, 1870	Ref: J.S. Nelson, 2006: 88.
Cladistia (Class) Cope, 1870	Ref: R. Betancur-R et al., 2017: 9.
Sarcopterygii (Subclass) Romer, 1955	Ref: R.A. Fritzsche, 1982: 859.

Historical positions

Cladistia (Infraclass) Cope, 1870	Ref: R. van der Laan, 2018: 51.
Cladistia (Class) Cope, 1870	Ref: R. Betancur-R et al., 2017: 9, fig. 1.
Cladistia (Infraclass) Cope, 1870	Ref: J.S. Nelson et al., 2016: 116, fig. (p. 112).
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer, 2004-2016: 24 Jan 2006.
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 27.
Cladistia (Subclass) Cope, 1870	Ref: J.S. Nelson, 2006: 88-89.
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer, 1998: 2452.
Actinopterygii (Class) Woodward, 1891	Ref: 1998
Chondrostei (Infraclass) Müller, 1844	Ref: R.L. Carroll, 1988: 603.
Sarcopterygii (Subclass) Romer, 1955	Ref: R.A. Fritzsche, 1982: 859; 1114.
Chondrostei (Infraclass) Müller, 1844	Ref: T.I. Storer et al., 1979: 681.
Polypteri (Superorder)	Ref: B. Grzimek, 1973-1975

Number of Subtaxa

2026	Available in Systema Naturae 2000	1f;2g;12s;10ss; †4g;1s
1989-present	Systema Naturae 2000: 12 May 2025	[1f;2g;12s;10ss]
2018	R. van der Laan: 51	[1f]
2017	R. Betancur-R et al.: 9	[1f]
2004-2016	W.N. Eschmeyer	[1f]
2016	J.S. Nelson et al.: 117	[1f]
2011	W.N. Eschmeyer & J.D. Fong: 27	1f
1998	W.N. Eschmeyer	1f
1988	R.L. Carroll: 603	[1f]
1982	R.A. Fritzsche: 859	1f;2g;[11s]
1973-1975	B. Grzimek	1f2g*10s