Concise hierarchy

(Domain) Eukaryota - (Phylum) Amoebozoa - (Class) Tubulinea - (Order) Arcellinida

Subsequent positions

Echinamoebida (Order) Cavalier-Smith, 2011		Ref: A.V. Smirnov et al., 2011: 565, table 1 (p. 562).
Echinamoeboidea (Superfamily) Page, 1975		Ref: T. Cavalier-Smith et al., 2004: 42.

Current position

Echinamoebida ([unranked]) Cavalier-Smith, 2004

Ref: A.V. Smirnov et al., 2011: table 1 (p. 562). [implicit]

Alternative positions

Acanthopodina (Suborder)	Ref: F.L. Schuster, 1990: 11.
Amoebaea (Class)	Ref: A. Rogerson & D.J. Patterson, 2000[2002]: 1046. [indirect]
Echinamoebida (Order) Cavalier-Smith, 2011	Ref: A.V. Smirnov et al., 2011: table 1 (p. 562). [new position]
Echinamoeboidea (Superfamily) Page, 1975	Ref: T. Cavalier-Smith et al., 2004: 42. [new position]
Gymnamoebae ([unranked])	Ref: A. Rogerson & D.J. Patterson, 2000[2002]: 1046.
Gymnamoebia (Subclass) (Haeckel, 1862) Cavalier-Smith, 1993	Ref: A. Smirnov, 2012: table 3 (p. 206).

Historical positions

Gymnamoebia (Subclass) (Haeckel, 1862) Cavalier-Smith, 1993	Ref: A. Smirnov, 2012: table 3 (p. 206).
Echinamoebida (Order) Cavalier-Smith, 2011	Ref: A.V. Smirnov et al., 2011: 565, table 1 (p. 562). [new position]
Echinamoeboidea (Superfamily) Page, 1975	Ref: T. Cavalier-Smith et al., 2004: 42. [new position]
Gymnamoebae ([unranked])	Ref: A. Rogerson & D.J. Patterson, 2000[2002]: 1046.
Acanthopodina (Suborder)	Ref: F.L. Schuster, 1990: table 1 (p. 11).
Acanthopodina (Suborder)	Ref: F.C. Page, 1982: 513.

Number of Subtaxa

2024	Available in Systema Naturae 2000	1g;3s
1989-present	Systema Naturae 2000	1g;3s
2012	A. Smirnov: table 3 (p. 207)	[3g;6s]
2011	A.V. Smirnov et al.: table 1 (p. 562)	[1g]
2004	T. Cavalier-Smith et al.: 42	[1g]
2000[2002]	A. Rogerson & D.J. Patterson	[3g;4s]
1982	F.C. Page	3g4s