Concise hierarchy

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

Phylogeny

Polyphyletic (poly)

Ref: J.N.A. Hooper et al., 2011: 13.

Current position

Demospongiae (Class) Sollas, 1885

Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36).

Alternative positions

Demospongia (Class)	Ref: J.J. Sepkoski Jr., 2002: 34.
Tetractinomorpha (Subclass) Lévi, 1953	Ref: R.W.M. van Soest, 2001: 87.

Historical positions

Demospongiae (Class) Sollas, 1885	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36).
Demospongiae (Class) Sollas, 1885	Ref: J.N.A. Hooper et al., 2011: 13.
Demospongia (Class)	Ref: J.J. Sepkoski Jr., 2002: 34.
Demospongiae (Class) Sollas, 1885	Ref: B. Senowbari-Daryan & D.C. García-Bellido, 2002: table 1 (p. 1521).
Tetractinomorpha (Subclass) Lévi, 1953	Ref: R.W.M. van Soest, 2001: 87.
Tetractinomorpha (Subclass) Lévi, 1953	Ref: W.D. Hartman, 1982: 644.

Number of Subtaxa

2024	Available in Systema Naturae 2000	†1f;108g;5s
1989-present	Systema Naturae 2000: 19 Feb 2015	[13f;46g]
	R.W.M. van Soest et al.: [19 Feb 2015]	[13f;46g]
2011	J.N.A. Hooper et al.: 13, 14	13f (3g;6s incertae sedis)
2002	J.N.A. Hooper & R.W.M. van Soest	[13f]
1982	W.D. Hartman	3so9f25[23][-50]g