Concise hierarchy

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

Current position

Galeomorphi (Superorder) Compagno, 1973

Ref: R. van der Laan, 2018: 41; Nelson et al., 2016: fig. (p. 58).

Alternative positions

Chondrichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 303.
Elasmobranchii (Subclass) Bonaparte, 1838	Ref: [Anonymous], 1998
Elasmobranchii (Class) Bonaparte, 1838	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 26; ECoF(4 Feb 2025).
Galeomorphii (Superorder) Compagno, 1973	Ref: L.J.V. Compagno, 1999: 9.
Galeomorphii (Division) Compagno, 1973	Ref: M.J. Benton, 2005: 390.

Historical positions

Galeomorphi (Superorder) Compagno, 1973	Ref: R. van der Laan, 2018: 41.
Galeomorphi (Superorder) Compagno, 1973	Ref: J.S. Nelson et al., 2016: 57, 63, fig. (p. 58).
Elasmobranchii (Class) Bonaparte, 1838	Ref: W.N. Eschmeyer, 2004-2016: 24 Jan 2006.
Elasmobranchii (Class) Bonaparte, 1838	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 26.
Galeomorphi (Superorder) Compagno, 1973	Ref: J.S. Nelson, 2006: 52, 57.
Galeomorphii (Division) Compagno, 1973	Ref: M.J. Benton, 2005: 390.
Chondrichthyes (Class) Huxley, 1880	Ref: J.J. Sepkoski Jr., 2002: 303.
Chondrichthyes (Class) Huxley, 1880	Ref: N. Bailly et al., 2001: 358.
Chondrichthyes (Class) Huxley, 1880	Ref: 2000
Galeomorphii (Superorder) Compagno, 1973	Ref: L.J.V. Compagno, 1999: 9.
Elasmobranchii (Subclass) Bonaparte, 1838	Ref: 1998
Elasmobranchii (Class) Bonaparte, 1838	Ref: W.N. Eschmeyer, 1998: [2449].
Neoselachii (Subcohort) Compagno, 1977	Ref: L.J.V. Compagno et al., 1989
Neoselachii (Subcohort) Compagno, 1977	Ref: L.J.V. Compagno, 1984: 212-213.
Galeomorphii (Superorder) Compagno, 1973	Ref: L.S.V. Compagno, 1982: 850.

Number of Subtaxa

2025	Available in Systema Naturae 2000	8f;10g;16s; †12f;30g;4s
1989-present	Systema Naturae 2000: 11 May 2025	[8f;10g;16s; †12f]
2018	R. van der Laan: 43	[8f; †12f]
2016	J.S. Nelson et al.: 68	[7f; †8f]
2004-2016	W.N. Eschmeyer	[7f]
2011	W.N. Eschmeyer & J.D. Fong: 26	7f
1999	L.J.V. Compagno	[7f;10g;16s]
1998	W.N. Eschmeyer	[7f;30ng]
1989	L.J.V. Compagno et al.	7f15s
1984	L.J.V. Compagno	7f10g16s
1984	L.J.V. Compagno:	[7f;10g;16s]
1982	L.S.V. Compagno: 850	6[-7]f;9[-10]g;13-15[14-16]s