Concise hierarchy

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

Subsequent entries

Lacantuniidae (Family) Rodiles-Hernández, Hendrickson & Lundberg, 2005

Ref: R. Rodiles-Hernández et al., 2005: 5.

Current position

Pan-Siluriformes (Clade) Lundberg 2020

Ref: R. van der Laan, 2018: 66. [inferred]

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: 29.
Actinopterygii (Subclass) Woodward, 1891	Ref: R.A. Fritzsche, 1982: 877.
Characiphysae (Superorder) Fink & Fink, 1981	Ref: E.O. Wiley & G.D. Johnson, 2010: 126; [Dornburg & Near, 2021: fig. 1; ECoF(9 Apr 2025)].
Ostariophysi (Superorder) Sagemehl, 1885	Ref: R.L. Carroll, 1988: 606.
Ostariophysi (Division) Sagemehl, 1885	Ref: M.J. Benton, 2005: 392.
Osteichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 311.
Otophysa (Section) Rosen & Greenwood, 1970	Ref: R. van der Laan, 2018: 66.
Siluriphysae (Superorder)	Ref: R. Betancur-R et al., 2017: 17.
Siluriphysi (Subseries) Fink & Fink, 1996	Ref: J.S. Nelson et al., 2016: 207.
Siluriphysi ([unranked]) Fink & Fink, 1996	Ref: J.S. Nelson, 2006: 162.

Historical positions

Otophysa (Section) Rosen & Greenwood, 1970	Ref: R. van der Laan, 2018: 66.
Siluriphysae (Superorder)	Ref: R. Betancur-R et al., 2017: 17, fig. 1.
Siluriphysi (Subseries) Fink & Fink, 1996	Ref: J.S. Nelson et al., 2016: 207-210, figs. (pp. 175, 209).
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: 29.
Characiphysae (Superorder) Fink & Fink, 1981	Ref: E.O. Wiley & G.D. Johnson, 2010: 126, 139.
Siluriphysi ([unranked]) Fink & Fink, 1996	Ref: E.O. Wiley & G.D. Johnson, 2010: 138. [excluded]
Siluriphysi ([unranked]) Fink & Fink, 1996	Ref: J.S. Nelson, 2006: 162-164; 138.
Ostariophysi (Division) Sagemehl, 1885	Ref: M.J. Benton, 2005: 392.
Osteichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 311.
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer, 1998: 2460.
Actinopterygii (Class) Woodward, 1891	Ref: 1998
Ostariophysi (Superorder) Sagemehl, 1885	Ref: R.L. Carroll, 1988: 606.
Actinopterygii (Subclass) Woodward, 1891	Ref: R.A. Fritzsche, 1982: 877; 1114.
Ostariophysi (Superorder) Sagemehl, 1885	Ref: T.I. Storer et al., 1979: 684.
Teleostei (Superorder) Bonaparte, 1836	Ref: B. Grzimek, 1973-1975

Number of Subtaxa

2025	Available in Systema Naturae 2000	41f;516g;3035s;15ss; ‡1s; †3f;7g;5s
1989-present	Systema Naturae 2000: 10 Jun 2025	[41f;516g; †3f]
2018	R. van der Laan: 67	[41f; †5f]
2017	R. Betancur-R et al.: 18	[41f]
2016	J.S. Nelson et al.: 238	[40f; †3f]
2004-2016	W.N. Eschmeyer	[36f]
2011	W.N. Eschmeyer & J.D. Fong: 29	38f
2010	E.O. Wiley & G.D. Johnson: 139	~35f
1998	W.N. Eschmeyer	33f
1988	R.L. Carroll: 606	[31f]
1982	R.A. Fritzsche: 877	30[31]f