Concise hierarchy

(Kingdom) Protozoa

Phylogeny

Paraphyletic/Ancestral (para)

Ref: T. Cavalier-Smith, 1998: 208, 232.

Included, by definition, in node-based clade

neokaryotes ([unranked]) Cavalier-Smith, 1993

Ref: T. Cavalier-Smith, 1998: 231; 214.

Original entries

Discicristata (Infrakingdom) Cavalier-Smith, 1998
Sarcomastigota (Infrakingdom) Cavalier-Smith, 1983

Subsequent entries

Metamonada (Phylum) Grassé, 1952		Ref: T. Cavalier-Smith et al., 2015: 357.
Neolouka (Phylum) Cavalier-Smith, 2012		Ref: T. Cavalier-Smith et al., 2015: 357.

Current position

Protozoa (Kingdom) Goldfuss, 1818

Ref: T. Cavalier-Smith et al., 2015: 357. [emended diagnosis]

Alternative positions

neokaryotes ([unranked]) Cavalier-Smith, 1993

Ref: T. Cavalier-Smith, 1998: 231. [alternative position]

Historical positions

Protozoa (Kingdom) Goldfuss, 1818	Ref: T. Cavalier-Smith et al., 2015: 357. [emended diagnosis]
Protozoa (Kingdom) Goldfuss, 1818	Ref: L. Mendoza et al., 2002: table 1 (p. 318). [out of scope (coherent)]
Protozoa (Kingdom) Goldfuss, 1818	Ref: T. Cavalier-Smith, 1998: table 1 (p. 208), table 3 (p. 232).
neokaryotes ([unranked]) Cavalier-Smith, 1993	Ref: T. Cavalier-Smith, 1998: 231. [alternative position]

Number of Subtaxa

1989-present	Systema Naturae 2000	[4ik;11p]
2015	T. Cavalier-Smith et al.: 357	[6p]
1998	T. Cavalier-Smith	[4ik;11p]