Concise hierarchy

(Kingdom) Protozoa

Phylogeny

Probably Paraphyletic/Ancestral (para)

Ref: T. Cavalier-Smith, 2002b: table 2 (p. 326).

Descendants

Chromista (Kingdom) Caval.-Sm. (1981)		Ref: T. Cavalier-Smith, 2002b: 300.
Plantae (Kingdom) Haeckel (1866)		Ref: T. Cavalier-Smith, 2002b: 300.

Original position

Protozoa (Kingdom) Goldfuss, 1818

Original entries

Excavata (Infrakingdom) T. Cavalier-Smith, 2002

Subsequent entries

Alveolata (Infrakingdom) Cavalier-Smith, 1991

Ref: T. Cavalier-Smith, 2002b: 327. [assumed]

Current position

Protozoa (Kingdom) Goldfuss, 1818

Ref: T. Cavalier-Smith, 2003: 1742.

Historical positions

Protozoa (Kingdom) Goldfuss, 1818	Ref: T. Cavalier-Smith, 2003: 1742.
Protozoa (Kingdom) Goldfuss, 1818	Ref: T. Cavalier-Smith, 2002b: 326. [new rank]

Number of Subtaxa

1989-present	Systema Naturae 2000	[7p]
2003	T. Cavalier-Smith	[2ik]
2002b	T. Cavalier-Smith	[7p]