Concise hierarchy

(Kingdom) Chromista - (Phylum) Haptista - (Class) Coccolithophyceae

Subsequent positions

Patelliferea (Class) Caval.-Sm. (1993)		Ref: T. Cavalier-Smith, 1993b: table 2 (p. 961).
Prymnesidae (Subclass) Caval.-Sm. (1986)		Ref: T. Cavalier-Smith, 1986: 343.

Current position

Coccolithophyceae (Class) Rothm. (1951)

Ref: S.M. Adl et al., 2012: table 2 (p. 485). [inferred rank] [indirect]

Alternative positions

Euchrysomonadinae (Subclass) Pascher	Ref: A. Pascher, 1913: 10.
Patelliferea (Class) Caval.-Sm. (1993)	Ref: T. Cavalier-Smith, 1993b: table 2 (p. 961). [new position]
Prymnesiophyceae (Class) D.J. Hibberd (1976)	Ref: S.M. Adl et al., 2005: 425. [inferred rank]
Prymnesiophycidae (Subclass) (D.J. Hibberd) Cavalier-Sm. (1986)	Ref: S.P. Parker, 1982 [indirect]

Historical positions

Prymnesiophyceae (Class) D.J. Hibberd (1976)	Ref: S.M. Adl et al., 2005: 425.
Prymnesiophyceae (Class) D.J. Hibberd (1976)	Ref: T. Koray, 2001: 11.
Patelliferea (Class) Caval.-Sm. (1993)	Ref: T. Cavalier-Smith, 1993b: table 2 (p. 961). [new position]
Prymnesiophyceae (Class) D.J. Hibberd (1976)	Ref: R.E. Norris, 1982: 87.
Euchrysomonadinae (Subclass) Pascher	Ref: A. Pascher, 1913: 10, 42.

Number of Subtaxa

2024	Available in Systema Naturae 2000	3f;3g;5s;2v; †1g;2s
1989-present	Systema Naturae 2000	6f
1982	S.P. Parker	6f
1982	R.E. Norris	6f