Concise hierarchy

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

Phylogeny

Monophyletic

Ref: J.R. Nursall, 1996: 125.

Current position

Neopterygii (Subclass) Regan, 1923

Ref: J.S. Nelson, 2006: 98; van der Laan, 2018: 53; Nelson et al., 2016: 121; Benton, 2015: box 7.6.

Alternative positions

Halecostomi ([unranked]) Regan, 1923	Ref: J.R. Nursall, 1996: 125.
Neopterygii ([unranked]) Regan, 1923	Ref: J.S. Nelson et al., 2016: 121.
Neopterygii (Infraclass) Regan, 1923	Ref: R.L. Carroll, 1988: 603.
Neopterygii (Superdivision) Regan, 1923	Ref: R. van der Laan, 2018: 53; Benton, 2015: box 7.6.
Osteichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 308.

Historical positions

Neopterygii (Superdivision) Regan, 1923	Ref: R. van der Laan, 2018: 53.
Neopterygii ([unranked]) Regan, 1923	Ref: J.S. Nelson et al., 2016: 121.
Neopterygii (Subclass) Regan, 1923	Ref: J.R. Nursall, 2010: 37. [inferred rank] [implicit]
Neopterygii (Subclass) Regan, 1923	Ref: J.S. Nelson, 2006: 98; 96.
Neopterygii (Superdivision) Regan, 1923	Ref: M.J. Benton, 2005: 391, box 7.6.
Osteichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 308.
Actinopterygii (Class) Woodward, 1891	Ref: 1998
Halecostomi ([unranked]) Regan, 1923	Ref: J.R. Nursall, 1996: 125.
Neopterygii (Infraclass) Regan, 1923	Ref: R.L. Carroll, 1988: 603.

Number of Subtaxa

2026	Available in Systema Naturae 2000	†10f;32g;3s
1989-present	Systema Naturae 2000: 22 May 2024	[; †10f]
2018	R. van der Laan: 53	[; †10f]
2016	J.S. Nelson et al.: 121	[; †8f]
2003	W.E. Bemis: 24 Jun 2003	[; †5f;29g]
1996	J.R. Nursall: 125	†2so;10f;[24g]
1996	J.R. Nursall: 125	†2so;10f;[24g]
1988	R.L. Carroll: 603	[; †1f]