Entity:

Authorship

SN2000 author citation	:	S.J. Casper, 1972 ex D.J. Hibberd, 1976, nom. bot. nov.
Unavailable original name	:	Casper, S.J. 1972: 80. [sine descr. Lat.].
Original name, rank & spelling	:	Hibberd, D.J. 1976. Bot. J. Linn. Soc. 72 (2): App. (p. 77: "classis nova").
Original use as a botanical name	:	op. cit.: 57 ("International Code of Botanical Nomenclature").
Description/Diagnosis in Latin	:	op. cit.: App. (pp. 77-78).

Validation

Validated name

Haptophyta (Phylum) Hibberd ex Caval.-Sm. (1986), nom. inval.

Ref: T. Cavalier-Smith, 1986: 342 ("Iatin description ... (Hibberd 1976)"). [no full reference]. [new]

Original botanical name (: nom. bot. nov.)

Ref: S.J. Brands (comp.), 1989-present. Syst. Nat. 2000: 13 Jan 2024.

Type, by original designation

Prymnesium (Genus) J. Massart (1920)

Ref: D.J. Hibberd, 1976: App. (p. 78). [new]

Different rank	:	*Prymnesiida* (Order) Cavalier-Smith
Different rank	:	*Prymnesiida* (Order) Cavalier-Smith	Ref: J.C. Green & R.W. Jordan, 2000: 1268.
Different rank	:	*Prymnesiina* (Suborder) Cavalier-Smith
Different rank	:	*Prymnesiophycidae* (Subclass) (D.J. Hibberd) Cavalier-Sm. (1986)
Name in preferred code of nomenclature	:	*Haptomonadida* (Order)	Ref: J.O. Corliss, 1982: 495, 496.

Senior subjective synonym	:	*Coccolithophyceae* (Class) Rothm. (1951)	Ref: T. Cavalier-Smith et al., 2015: table 1 (p. 344).
Descriptive name	:	*Haptophyceae* (Class) Christensen ex Silva (1980)	Ref: P.C. Silva, 1980: 67. [new]
Descriptive name	:	*Haptophyceae* (Class) Christensen ex Silva (1980)	Ref: D.J. Hibberd, 1976: 57 ("Christensen, 1962"). [new]