Concise hierarchy

(Kingdom) Chromista - (Phylum) Retaria - (Class) Stauraxonaria - (Order) Spongodiscata

Current position

Spongodiscata (Order) Haeckel, 1862

Ref: M.S. Afanasieva & E.O. Amon, 2005: table 7 (p. S216).

Alternative positions

Spongodiscacea (Superfamily) Haeckel, 1862	Ref: F.J. Gregory, 2004: table 2 (p. 67) (De Wever et al., 2002). [by reference]
Spumellaria (Suborder) Ehrenberg, 1875	Ref: K. Takahashi, 1991: pl. 16.
Spumellaria (Order) Ehrenberg, 1875	Ref: D. Lazarus et al., 2015: table 1 (p. 310).

Historical positions

Spumellaria (Order) Ehrenberg, 1875	Ref: D. Lazarus et al., 2015: table 1 (p. 310).
Spongodiscata (Order) Haeckel, 1862	Ref: M.S. Afanasieva & E.O. Amon, 2005: S288, table 7 (p. S216).
Spongodiscacea (Superfamily) Haeckel, 1862	Ref: F.J. Gregory, 2004: table 2 (p. 67) (De Wever et al., 2002). [by reference]
Spumellaria (Order) Ehrenberg, 1875	Ref: O.R. Anderson et al., 2000: 1002.
Sphaerellarina (Suborder)	Ref: 1999
Spumellaria (Suborder) Ehrenberg, 1875	Ref: K. Takahashi, 1991: pls. 16-17, 19.
Spumellaria (Suborder) Ehrenberg, 1875	Ref: C. Nigrini & T.C. Moore Jr., 1979

Number of Subtaxa

2024	Available in Systema Naturae 2000	25g;21s;4ss; †1g;54s;4ss
1989-present	Systema Naturae 2000: 6 Sep 2018	[17g; †1g]
2015	D. Lazarus et al.: table 1 (p. 311)	[13g;22s;2ss; †15g;60s;5ss]
2005	M.S. Afanasieva & E.O. Amon: S288	[17*[2*][13]g[; †2g]]