Concise hierarchy

(Kingdom) Chromista - (Phylum) Cercozoa - (Class) Gromiidea

Phylogeny

Polyphyletic (poly)

Ref: R. Meisterfeld, 2000[2002]: 1054.

Current position

Gromiidea (Class) Cavalier-Smith & Chao, 2003

Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 20).

Alternative positions

Filosea (Class) Leidy, 1879	Ref: R.C. Brusca & G.J. Brusca, 1990
Rhizopoda (Subclass)	Ref: T.I. Storer et al., 1979: 356.
Testaceafilosia (Subclass) de Saedeleer, 1934	Ref: T. Cavalier-Smith, 1993b: table 4 (p. 972).

Historical positions

Gromiidea (Class) Cavalier-Smith & Chao, 2003	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 20).
amoeboid protists ([unranked])	Ref: R. Meisterfeld, 2000[2002]: 1054. [invalid/synonym] [assumed]
Filosea (Class) Leidy, 1879	Ref: 1998
Testaceafilosia (Subclass) de Saedeleer, 1934	Ref: T. Cavalier-Smith, 1993b: 988, table 4 (p. 972).
Filosea (Class) Leidy, 1879	Ref: R.C. Brusca & G.J. Brusca, 1990
Rhizopoda (Subclass)	Ref: T.I. Storer et al., 1979: 356.

Number of Subtaxa

2024	Available in Systema Naturae 2000	1f;2g;9s
1989-present	Systema Naturae 2000	[1f]