Concise hierarchy

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

Current position

Siluriphysi ([unranked]) Fink & Fink, 1996

Ref: J.S. Nelson, 2006: 186.

Alternative positions

Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 30.
Characiphysae (Superorder) (Fink & Fink, 1981)	Ref: E.O. Wiley & G.D. Johnson, 2010: 126.
Ostariophysi (Division) Jordan & Evermann, 1896	Ref: M.J. Benton, 2005: 392.

Historical positions

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: 30.
Characiphysae (Superorder) (Fink & Fink, 1981)	Ref: E.O. Wiley & G.D. Johnson, 2010: 126, 140.
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: 186; 138.
Ostariophysi (Division) Jordan & Evermann, 1896	Ref: M.J. Benton, 2005: 392.
Actinopterygii (Class) Woodward, 1891	Ref: 1998
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer, 1998: 2463.

Number of Subtaxa

2024	Available in Systema Naturae 2000	5f;31g;159s; †1g;1s
1989-present	Systema Naturae 2000	[5f;31g;153s]
2004-2016	W.N. Eschmeyer: 24 Jan 2006	[6f]
2011	W.N. Eschmeyer & J.D. Fong: 30	5f
2010	E.O. Wiley & G.D. Johnson: 140	2so;5f
1998	W.N. Eschmeyer	6f