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Under construction

Taxon: Superclass Opalinata Wenyon, 1926 (protist)

Entity:

Concise hierarchy

(Kingdom) Chromista - (Phylum) Bigyra

Subsequent positions

*Opalinida* (Subphylum) Wenyon, 1926		Ref: P.R. Earl, 1971: 46.
*Placidozoa* (Infraphylum) Cavalier-Smith, 2013		Ref: T. Cavalier-Smith & J.M. Scoble, 2013(2012): table 1 (p. 333).

Current position

Placidozoa (Infraphylum) Cavalier-Smith, 2013

Ref: T. Cavalier-Smith & J.M. Scoble, 2013(2012): table 1 (p. 333). [new position]

Alternative positions

Sarcomastigophora (Subphylum)

Ref: B.M. Honigberg et al., 1964

Historical positions

*Placidozoa* (Infraphylum) Cavalier-Smith, 2013	Ref: T. Cavalier-Smith & J.M. Scoble, 2013(2012): table 1 (p. 333). [new position]
*Sarcomastigophora* (Subphylum)	Ref: B.M. Honigberg et al., 1964

Number of Subtaxa

2024	Available in Systema Naturae 2000	2c;3o;4f;8g;9s
1989-present	Systema Naturae 2000: 15 Mar 2016	[2c;3o;4f;8g]
2013(2012)	T. Cavalier-Smith & J.M. Scoble: table 1 (p. 333)	[2c;3o;4f]

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Last updated: 1 Feb 2024