Concise hierarchy

(Domain) Eukaryota

Original position

Protista (Kingdom) (Haeckel, 1866)

Ref: W. Foissner et al., 1988: 379, 380.

Subsequent positions

Hemimastigophora (Infrakingdom) Foissner, Blatterer & Foissner, 1998

Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521).

Original entries

Hemimastigea (Class) Foissner, Blatterer & Foissner, 1988

Ref: W. Foissner et al., 1988: 380.

Current position

eucorta ([unranked]) Cavalier-Smith, 2021

Ref: T. Cavalier-Smith, 2022(2021) (alt.): table 2 (p. 564), fig. 11.

Alternative positions

flagellated protists ([unranked])	Ref: W. Foissner & I. Foissner, 2000: 1185. [alternative position]
Hemimastigophora (Infrakingdom) Foissner, Blatterer & Foissner, 1998	Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521). [new position]

Historical positions

Hemimastigophora (Infrakingdom) Foissner, Blatterer & Foissner, 1998	Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521), fig. 11. [new position]
eucorta ([unranked]) Cavalier-Smith, 2021	Ref: T. Cavalier-Smith, 2022(2021) (alt.): table 2 (p. 564), fig. 11.
Protozoa (Kingdom) Goldfuss, 1818	Ref: T. Rees et al., 2020: table 2 (p. 130).
flagellated protists ([unranked])	Ref: W. Foissner & I. Foissner, 2000: 1185. [alternative rank]
Protozoa ([unranked]) Goldfuss, 1818	Ref: 1998
Protozoa ([unranked]) Goldfuss, 1818	Ref: 1995

Number of Subtaxa

2024	Available in Systema Naturae 2000	1c;1o;1f;4g;1s
1989-present	Systema Naturae 2000: 18 Dec 2023	[1c;1o;1f;4g]
2022(2021)	T. Cavalier-Smith: table 1 (p. 521)	1c;[3g]
2020	T. Rees et al.: table 2 (p. 130)	4ng;3g; †0g
2000	W. Foissner & I. Foissner: 1185	1f;[4g;8s]