Concise hierarchy

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

Phylogeny

Questionably Polyphyletic (poly)

Ref: W.D. Hartman, 1982: 643.

Current position

Demospongiae (Class) Sollas, 1885

Ref: J.N.A. Hooper et al., 2011: 15.

Alternative positions

Demospongea (Class) Sollas, 1875

Ref: R.M. Finks & J.K. Rigby, 2004a: 154.

Historical positions

Demospongiae (Class) Sollas, 1885	Ref: J.N.A. Hooper et al., 2011: 15.
Demospongea (Class) Sollas, 1875	Ref: R.M. Finks & J.K. Rigby, 2004a: 154; 2, 724, table 1 (p. 793).
Demospongiae (Class) Sollas, 1885	Ref: E.E. Ruppert et al., 2004: 92-93.
Demospongiae (Class) Sollas, 1885	Ref: R.W.M. van Soest, 2001: 85.
Demospongiae (Class) Sollas, 1885	Ref: R.C. Brusca & G.J. Brusca, 1990
Demospongiae (Class) Sollas, 1885	Ref: W.D. Hartman, 1982: 643.

Number of Subtaxa

1989-present	Systema Naturae 2000	[5o;37f]
2011	J.N.A. Hooper et al.: 15	[2o]
2004a	J.K. Rigby: 2	†[2o;4f];30g
1982	W.D. Hartman: 643	6o[37f]