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Monophyletic? taxon: Order Ophidiiformes Regan, 1912 - cusk-eels (fish)
 Entity: 

Concise hierarchy

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

Phylogeny

Questionably Monophyletic Ref: E.O. Wiley & G.D. Johnson, 2010: 166.

Subsequent positions

Percomorphacea (Division) Wiley & Johnson, 2010 Ref: E.O. Wiley & G.D. Johnson, 2010: 166.

Current position

Ophidiaria (Series) Ref: R. van der Laan, 2018: 74.

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.
Anacanthini ([unranked]) Ref: J.S. Nelson, 2006: 243.
Ophidiida (Subseries) Ref: J.S. Nelson et al., 2016: 315.
Osteichthyes (Class) Huxley, 1880 Ref: J.J. Sepkoski Jr., 2002: 312.
Paracanthopterygii (Superorder) Greenwood, Rosen, Weitzman & Myers, 1966 Ref: M.J. Benton, 2005: 392.
Percomorphacea (Division) Wiley & Johnson, 2010 Ref: E.O. Wiley & G.D. Johnson, 2010: 128. [new position]

Historical positions

Ophidiaria (Series) Ref: R. van der Laan, 2018: 74.
Ophidiaria (Series) Ref: R. Betancur-R et al., 2017: 22.
Ophidiida (Subseries) Ref: J.S. Nelson et al., 2016: 315, fig. (p. 303).
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.
Percomorphacea (Division) Wiley & Johnson, 2010 Ref: E.O. Wiley & G.D. Johnson, 2010: 128, 166. [new position]
anacanthines ([unranked]) Ref: J.S. Nelson, 2006: 243-244.
Paracanthopterygii (Superorder) Greenwood, Rosen, Weitzman & Myers, 1966 Ref: M.J. Benton, 2005: 392.
Osteichthyes (Class) Huxley, 1880 Ref: J.J. Sepkoski Jr., 2002: 312.
Osteichthyes (Class) Huxley, 1880 Ref: N. Bailly et al., 2001: 366.
Actinopterygii (Class) Woodward, 1891 Ref: W.N. Eschmeyer, 1998: 2467.
Actinopterygii (Class) Woodward, 1891 Ref: 1998
Paracanthopterygii (Superorder) Greenwood, Rosen, Weitzman & Myers, 1966 Ref: R.L. Carroll, 1988: 607.

Number of Subtaxa

2025 Available in Systema Naturae 2000 6f;120g;419s; †2g
1989-present Systema Naturae 2000: 29 Jun 2025 [6f;120g]
2018 R. van der Laan: 74 [3f]
2017 R. Betancur-R et al.: 22 [3f]
2004-2016 W.N. Eschmeyer: 24 Jan 2006 [5f]
2016 J.S. Nelson et al.: 320 [5f]
2011 W.N. Eschmeyer & J.D. Fong: 31 5f
2010 E.O. Wiley & G.D. Johnson: 166 [4f]
2006 J.S. Nelson: 248 [5f]
1998 W.N. Eschmeyer 5f
1988 R.L. Carroll: 607 [3f]
©2004-2025 Universal Taxonomic Services
Last updated: 21 Sep 2025