Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Chondrichthyes - (Order) Chimaeriformes

Current position

Chimaeroidea (Superfamily) Rafinesque, 1815

Ref: J.S. Nelson et al., 2016: 53.

Alternative positions

Chimaeriformes (Order) Obruchev, 1953	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 27; ECoF(4 Feb 2025).
Chimaeroidei (Order)	Ref: D.S. Jordan, 1923: 106.
Chimaeroidei (Suborder) Patterson, 1965	Ref: R. van der Laan, 2018: 39.

Historical positions

Chimaeroidei (Suborder) Patterson, 1965	Ref: R. van der Laan, 2018: 39.
Chimaeroidea (Superfamily) Rafinesque, 1815	Ref: J.S. Nelson et al., 2016: 53.
Chimaeriformes (Order) Obruchev, 1953	Ref: W.N. Eschmeyer, 2004-2016: 24 Jan 2006.
Chimaeriformes (Order) Obruchev, 1953	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 27.
Chimaeroidea (Superfamily) Rafinesque, 1815	Ref: J.S. Nelson, 2006: 46-47.
Chimaeriformes (Order) Obruchev, 1953	Ref: N. Bailly et al., 2001: 360.
Chimaeriformes (Order) Obruchev, 1953	Ref: 1998
Chimaeriformes (Order) Obruchev, 1953	Ref: W.N. Eschmeyer, 1998: 2452.
Chimaeriformes (Order) Obruchev, 1953	Ref: L.J.V. Compagno et al., 1989
Chimaeroidei (Suborder) Patterson, 1965	Ref: R.L. Carroll, 1988: 601.
Chimaeriformes (Order) Obruchev, 1953	Ref: J.D. McEachran, 1982: 858.
Holocephali (Subclass) Bonaparte, 1832	Ref: B. Grzimek, 1973-1975
Chimaeroidei (Order)	Ref: D.S. Jordan, 1923: 106.

Number of Subtaxa

2025	Available in Systema Naturae 2000	2g;31s; †1g
1989-present	Systema Naturae 2000: 12 May 2025	[2g;31s]
2011	W.N. Eschmeyer & J.D. Fong: 27	2g;39s
2004	J.M.R. Soto & C.M. Vooren: 1	2g;22s
1982	J.D. McEachran	2g;21s
1973-1975	B. Grzimek	17s