Concise hierarchy

(Kingdom) Animalia - (Phylum) Porifera - (Class) Hexactinellida

Original position

Hexasterophora (Subclass) Schulze, 1886

Subsequent positions

Hexasterophora (Class) F.E. von Schulze

Current position

Hexasterophora (Subclass) Schulze, 1886

Ref: J.N.A. Hooper et al., 2011: 17.

Alternative positions

Hexactinellida (Class) Schmidt, 1870	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36).
Hexasterophora (Class) F.E. von Schulze	Ref: H.G. Hansson, 1999

Historical positions

Hexactinellida (Class) Schmidt, 1870	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36).
Hexasterophora (Subclass) Schulze, 1886	Ref: J.N.A. Hooper et al., 2011: 17.
Hexactinellida (Class) Schmidt, 1870	Ref: J.J. Sepkoski Jr., 2002: 43.
Hexactinellida (Class) Schmidt, 1870	Ref: J.N.A. Hooper & R.W.M. van Soest, 2002: 1387.
Hexasterophora (Class) F.E. von Schulze	Ref: H.G. Hansson, 1999
Hexasterophora (Subclass) Schulze, 1886	Ref: W.D. Hartman, 1982: 665.

Number of Subtaxa

2024	Available in Systema Naturae 2000	3f;58g;43s;3ss; †7f;41g;1s
1989-present	Systema Naturae 2000: 8 Mar 2015	[3f;57g]
	R.W.M. van Soest et al.: [8 Mar 2015]	[3f;57g]
2011	J.N.A. Hooper et al.: 17	3f
2002	J.N.A. Hooper & R.W.M. van Soest	[3f]
1982	W.D. Hartman	4f[49g]