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Monotypic taxon: Subclass Rictidia Cavalier-Smith, 2013 (protist)
 Entity: 

Concise hierarchy

(Kingdom) Chromista - (Phylum) Bigyra - (Class) Bikosea

Original position

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

Original entries

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

Current position

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

Historical positions

Bikosea (Class) Cavalier-Smith, 2013 Ref: T. Cavalier-Smith & J.M. Scoble, 2013(2012): 343, table 1 (p. 333). [new taxon]

Number of Subtaxa

2024 Available in Systema Naturae 2000 1o;1f;1g
1989-present Systema Naturae 2000: 15 Mar 2016 [1o;1f;1g]
2013(2012) T. Cavalier-Smith & J.M. Scoble: table 1 (p. 333) [1o;1f;1g]
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Last updated: 1 Feb 2024