Concise hierarchy

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

Subsequent positions

Gadacea (Division) Wiley & Johnson, 2010

Ref: E.O. Wiley & G.D. Johnson, 2010: 148.

Current position

Zeiogadaria (Series)

Ref: R. Betancur-R et al., 2017: 21. [implicit]

Alternative positions

Actinopteri (Class) Cope, 1871	Ref: R. van der Laan et al., 2021: (4 Feb 2025); ECoF(4 Feb 2025).
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 31.
Actinopterygii (Subclass) Woodward, 1891	Ref: R.A. Fritzsche, 1982: 887.
Anacanthini ([unranked])	Ref: J.S. Nelson, 2006: 235.
Gadacea (Division) Wiley & Johnson, 2010	Ref: E.O. Wiley & G.D. Johnson, 2010: 127. [new position]
Gadariae (Subseries)	Ref: R. Betancur-R et al., 2017: 20.
Osteichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 313.
Paracanthopterygii (Superorder) Greenwood, Rosen, Weitzman & Myers, 1966	Ref: J.S. Nelson et al., 2016: 293; Nelson et al., 2016: fig. (p. 279).
Paracanthopterygii (Division) Greenwood, Rosen, Weitzman & Myers, 1966	Ref: R. van der Laan, 2018: 72.

Historical positions

Paracanthopterygii (Division) Greenwood, Rosen, Weitzman & Myers, 1966	Ref: R. van der Laan, 2018: 72.
Gadariae (Subseries)	Ref: R. Betancur-R et al., 2017: 20, fig. 1.
Paracanthopterygii (Superorder) Greenwood, Rosen, Weitzman & Myers, 1966	Ref: J.S. Nelson et al., 2016: 293-295, fig. (p. 279).
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: 31.
Gadacea (Division) Wiley & Johnson, 2010	Ref: E.O. Wiley & G.D. Johnson, 2010: 127, 148. [new position]
anacanthines ([unranked])	Ref: J.S. Nelson, 2006: 235-236.
Paracanthopterygii (Superorder) Greenwood, Rosen, Weitzman & Myers, 1966	Ref: M.J. Benton, 2005: 392.
Osteichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 313.
Osteichthyes (Class) Huxley, 1880	Ref: N. Bailly et al., 2001: 365.
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer, 1998: 2466.
Actinopterygii (Class) Woodward, 1891	Ref: 1998
Paracanthopterygii (Superorder) Greenwood, Rosen, Weitzman & Myers, 1966	Ref: R.L. Carroll, 1988: 607.
Actinopterygii (Subclass) Woodward, 1891	Ref: R.A. Fritzsche, 1982: 887; 1115.
Paracanthopterygii (Superorder) Greenwood, Rosen, Weitzman & Myers, 1966	Ref: T.I. Storer et al., 1979: 685.
Teleostei (Superorder) Bonaparte, 1836	Ref: B. Grzimek, 1973-1975

Number of Subtaxa

2025	Available in Systema Naturae 2000	18f;82g;480s;6ss; ‡1g;1s; †1g
1989-present	Systema Naturae 2000: 26 Jun 2025	[18f;82g]
2018	R. van der Laan: 73	[16f]
2017	R. Betancur-R et al.: 21	[15f]
2016	J.S. Nelson et al.: 302	[13f]
2004-2016	W.N. Eschmeyer	[10f]
2011	W.N. Eschmeyer & J.D. Fong: 31	10f
2010	E.O. Wiley & G.D. Johnson: 127	[3so;10f]
2006	J.S. Nelson	[9f]
1998	W.N. Eschmeyer	10f
1988	R.L. Carroll: 607	[6f]
1982	R.A. Fritzsche: 887	5so;11f