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Monotypic taxon: Class Placididea Moriya, Nakayama & Inouye, 2002 (protist)
 Entity: 

Concise hierarchy

(Kingdom) Chromista - (Phylum) Bigyra

Subsequent positions

Wobblata (Superclass) Cavalier-Smith, 2013 Ref: T. Cavalier-Smith & J.M. Scoble, 2013(2012): table 1 (p. 333).

Current position

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

Alternative positions

Bigyra (Phylum) Cavalier-Smith, 1998 Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 16).
Sagenista (Phylum) Caval.-Sm. (1995) Ref: T. Cavalier-Smith, 2004: table 4.1 (p. 77).

Historical positions

Bigyra (Phylum) Cavalier-Smith, 1998 Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 16).
Wobblata (Superclass) Cavalier-Smith, 2013 Ref: T. Cavalier-Smith & J.M. Scoble, 2013(2012): table 1 (p. 333). [new position]
Sagenista (Phylum) Caval.-Sm. (1995) Ref: T. Cavalier-Smith, 2004: table 4.1 (p. 77), fig. 4.1.

Number of Subtaxa

2024 Available in Systema Naturae 2000 1o;1f;2g;2s
1989-present Systema Naturae 2000: 15 Mar 2016 [1o;1f;2g;2s]
2015b M.A. Ruggiero et al.: table 2 (p. 16) [1o]
2013(2012) T. Cavalier-Smith & J.M. Scoble: table 1 (p. 333) [1o;1f;2g]
2004 T. Cavalier-Smith: table 4.1 (p. 77) [3?g]
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Last updated: 1 Feb 2024