Concise hierarchy

(Kingdom) Protozoa

Phylogeny

Paraphyletic/Ancestral (para)		Ref: T. Cavalier-Smith, 2013(2012): 117.
Probably Paraphyletic/Ancestral (para)		Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521: "*").

Descendants

Amoebozoa (Phylum) Lühe, 1913		Ref: T. Cavalier-Smith, 2013(2012): fig. 2.
Choanozoa (Phylum) Cavalier-Smith, 1981		Ref: T. Cavalier-Smith, 2013(2012): fig. 2.
opisthokonts ([unranked])		Ref: T. Cavalier-Smith, 2013(2012): 117.

Included, by definition, in node-based clade

podiates ([unranked]) Cavalier-Smith, 2012

Ref: T. Cavalier-Smith, 2013(2012): abstract.

Original position

podiates ([unranked]) Cavalier-Smith, 2012		Ref: T. Cavalier-Smith, 2013(2012): 117.
Sarcomastigota (Subkingdom) Cavalier-Smith, 1983		Ref: T. Cavalier-Smith, 2013(2012): fig. 2.

Subsequent positions

Sulcozoa (Infrakingdom) Cavalier-Smith, 2012

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

Original entries

Apusozoa (Subphylum) Cavalier-Smith, 1997		Ref: T. Cavalier-Smith, 2013(2012): table 3 (p. 132).
Varisulca (Subphylum) Cavalier-Smith, 2012		Ref: T. Cavalier-Smith, 2013(2012): table 3 (p. 132).

Subsequent entries

Planomonada (Subphylum) Cavalier-Smith, 2021

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

Current position

Sulcozoa (Infrakingdom) Cavalier-Smith, 2012

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

Alternative positions

podiates ([unranked]) Cavalier-Smith, 2012	Ref: T. Cavalier-Smith, 2013(2012): 117. [new taxon]
Protozoa (Kingdom) Goldfuss, 1818	Ref: O. Bánki et al., 2023: 17 Aug 2023.
Sarcomastigota (Superphylum) Cavalier-Smith, 1983	Ref: T. Cavalier-Smith et al., 2015: 357.
Sarcomastigota (Subkingdom) Cavalier-Smith, 1983	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 11).

Historical positions

Sulcozoa (Infrakingdom) Cavalier-Smith, 2012	Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521), fig. 11. [new position]
Protozoa (Kingdom) Goldfuss, 1818	Ref: T. Rees et al., 2020: table 2 (p. 130).
Sarcomastigota (Superphylum) Cavalier-Smith, 1983	Ref: T. Cavalier-Smith et al., 2015: 357.
Sarcomastigota (Subkingdom) Cavalier-Smith, 1983	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 11).
Sarcomastigota (Subkingdom) Cavalier-Smith, 1983	Ref: T. Cavalier-Smith, 2013(2012): table 3 (p. 132), fig. 2. [new taxon]
podiates ([unranked]) Cavalier-Smith, 2012	Ref: T. Cavalier-Smith, 2013(2012): 117. [alternative position]

Number of Subtaxa

1989-present	Systema Naturae 2000: 18 Dec 2023	[4c;4o;7f;10g]
2022(2021)	T. Cavalier-Smith: table 1 (p. 521)	4c;[4o;10g]
2020	T. Rees et al.: table 2 (p. 130)	21ng;18g; †0g
2013(2012)	T. Cavalier-Smith: 131, table 3 (p. 132)	5c;7o;10f;19g