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Taxon: Class Hexactinellida Schmidt, 1870 - hexactinellids (sponge)
 Entity: 

Concise hierarchy

(Kingdom) Animalia - (Phylum) Porifera

Current position

Silicispongia ([unranked]) Schmidt, 1862 Ref: J.N.A. Hooper & R.W.M. van Soest, 2002: 1201. [indirect]

Alternative positions

Porifera (Phylum) Grant, 1836 Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36).
Spongia (Phylum) Ref: I. Eibl-Eibesfeldt et al., 1975 (1971): 588.
Symplasia (Subphylum) nom. null. Ref: J.N.A. Hooper, 2000: 2. [misplaced]
Symplasma (Subphylum) Reiswig & Mackie, 1983 Ref: C. Nielsen, 1995 [unofficial]

Historical positions

Porifera (Phylum) Grant, 1836 Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36).
Porifera (Phylum) Grant, 1836 Ref: J.N.A. Hooper et al., 2011: 17.
Porifera (Phylum) Grant, 1836 Ref: R.M. Finks & J.K. Rigby, 2004b: 319; 6, table 1 (p. 796).
Porifera (Phylum) Grant, 1836 Ref: J.J. Sepkoski Jr., 2002: 41.
Porifera (Phylum) Grant, 1836 Ref: J.N.A. Hooper & R.W.M. van Soest, 2002: 1201, 1532, table 1 (p. 1521).
Porifera (Phylum) Grant, 1836 Ref: R.W.M. van Soest, 2001: 102.
Porifera (Phylum) Grant, 1836 Ref: Anonymous, 1998
Symplasma (Subphylum) Reiswig & Mackie, 1983 Ref: C. Nielsen, 1995 [unofficial]
Porifera (Phylum) Grant, 1836 Ref: S. Bengtson, 1992: table 23.5 (p. 1017).
Porifera (Phylum) Grant, 1836 Ref: R.C. Brusca & G.J. Brusca, 1990
Porifera (Phylum) Grant, 1836 Ref: R.S. Boardman et al., 1987
Porifera (Phylum) Grant, 1836 Ref: W.D. Hartman, 1982: 659.
Porifera (Phylum) Grant, 1836 Ref: L. Margulis & K.V. Schwartz, 1982: 168.
Porifera (Phylum) Grant, 1836 Ref: T.I. Storer et al., 1979: 319.
Spongia (Phylum) Ref: I. Eibl-Eibesfeldt et al., 1975 (1971): 588.

Number of Subtaxa

2023 Available in Systema Naturae 2000 5o;17f;109g;68s;7ss; †3o;36f;196g;25s
1989-present Systema Naturae 2000: 10 Mar 2015 [5o;19f;128g]
R.W.M. van Soest et al.: [8 Mar 2015] [5o;19f;128g]
2015b M.A. Ruggiero et al.: table 2 (p. 36) [6o]
2011 J.N.A. Hooper et al.: 17 2sc;[6o;19f] | 2*[2]sc;6*[5; †1]o
2004a J.K. Rigby: 6 [5o;15f]; †[1o;41f];432g
2002 J.N.A. Hooper & R.W.M. van Soest [5o;17f]
1997 TAMU 105g; †360g
1987 R.S. Boardman et al. 130g; †295g
1982 W.D. Hartman [2sc4o16f107g]
©2004-2022 Universal Taxonomic Services
Last updated: 4 Aug 2022