Concise hierarchy

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

Phylogeny

Questionably Monophyletic

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

Current position

Ophidiiformes (Order) Regan, 1912

Ref: R. van der Laan, 2018: 74.

Alternative positions

Gadiformes (Order) Goodrich, 1909

Ref: R.A. Fritzsche, 1982: 891.

Historical positions

Ophidiiformes (Order) Regan, 1912	Ref: R. van der Laan, 2018: 74.
Ophidiiformes (Order) Regan, 1912	Ref: R. Betancur-R et al., 2017: 22.
Ophidiiformes (Order) Regan, 1912	Ref: J.S. Nelson et al., 2016: 315-316.
Ophidiiformes (Order) Regan, 1912	Ref: E.O. Wiley & G.D. Johnson, 2010: 128, 166.
Ophidiiformes (Order) Regan, 1912	Ref: J.S. Nelson, 2006: 244.
Gadiformes (Order) Goodrich, 1909	Ref: R.A. Fritzsche, 1982: 891.
Gadiformes (Order) Goodrich, 1909	Ref: B. Grzimek, 1973-1975

Number of Subtaxa

2025	Available in Systema Naturae 2000	4f;57g;272s; †1g
1989-present	Systema Naturae 2000: 28 Jun 2025	[4f;57g]
2018	R. van der Laan: 74	[1f]
2017	R. Betancur-R et al.: 22	[1f]
2016	J.S. Nelson et al.: 318	[2f]
2010	E.O. Wiley & G.D. Johnson: 166	[2f]
2006	J.S. Nelson: 246	[2f]
1982	R.A. Fritzsche: 891	2f;[18g;63s]
1982	R.A. Fritzsche: 891	2f;[18g;63s]