Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata

Phylogeny

Paraphyletic/Ancestral (para)

Ref: J.S. Nelson et al., 2016: 113 ("almost certainly").

Current position

†Palaeoniscomorpha ([unranked]) Lund, Poplin & McCarthy, 1995

Ref: R. van der Laan, 2018: 46; Mickle, 2015: fig. 14. [indirect]

Alternative positions

Actinopteri (Infraclass) Cope, 1871	Ref: M.J. Benton, 2005: 391; Benton, 2005: fig. 7.7.
Actinopterygii (Subclass) Woodward, 1891	Ref: R. van der Laan, 2018: 46.
Chondrostei (Subclass) Müller, 1844	Ref: J.S. Nelson, 2006: 90.
Chondrostei (Infraclass) Müller, 1844	Ref: R.L. Carroll, 1988: 601.
Osteichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 306.
†Palaeoniscimorpha ([unranked])	Ref: M.J. Benton, 2005: fig. 7.7. [inferred]
Pan-Actinopterygii (Clade) Rowe 2004 [Moore & Near 2020]	Ref: R. van der Laan, 2018: 46. [inferred]

Historical positions

Actinopterygii (Subclass) Woodward, 1891	Ref: R. van der Laan, 2018: 46.
Actinopterygii (Subclass) Woodward, 1891	Ref: J.S. Nelson et al., 2016: 113-114.
Chondrostei (Subclass) Müller, 1844	Ref: J.S. Nelson, 2006: 90-91.
Actinopteri (Infraclass) Cope, 1871	Ref: M.J. Benton, 2005: 391, fig. 7.7.
Osteichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 306.
Actinopterygii (Class) Woodward, 1891	Ref: 1998
Chondrostei (Infraclass) Müller, 1844	Ref: R.L. Carroll, 1988: 601.

Number of Subtaxa

2025	Available in Systema Naturae 2000	†40f;66g;45s
1989-present	Systema Naturae 2000: 11 May 2024	[; †40f]
2018	R. van der Laan: 49	[; †40f]
2016	J.S. Nelson et al.: 114	[; †[>]12f]
1988	R.L. Carroll: 602	[; †29f]