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Gonyaulax granulata

Gonyaulax granulata Klement, 1960, p.39–41, pl.4, figs.10–13; text-figs.18–20. Emendation: Sarjeant, 1984a, p.161–162, as Meristaulax granulata.

NOW Cribroperidinium. Originally Gonyaulax, subsequently Gonyaulacysta, thirdly (and now) Cribroperidinium, fourthly Rhynchodiniopsis, fifthly Meristaulax Sarjeant, sixthly Acanthaulax. Poulsen (1996, p.73) retained this species in Cribroperidinium.
Taxonomic junior synonyms: Gonyaulax (as Cribroperidinium) venusta, according to Schrank (2005, p.56); Gonyaulax (now Cribroperidinium) granuligera, according to Fisher and Riley (1980, p.321) — however, Sarjeant (1984a, p.156–158) retained Gonyaulax (as Cryptarchaeodinium) granuligera; Gonyaulacysta (as Acanthaulax?, now Cribroperidinium) angulosa, according to Fisher and Riley (1980, p.321) — however, Sarjeant and Gocht in Sarjeant (1984a, p.160) retained Gonyaulacysta (as Meristaulax) angulosa. For further discussion, see Cribroperidinium granulatum.

Holotype: Klement, 1960, pl.4, figs.10-11, text-figs.18-19 (damaged)
Lectotype: Sarjeant, 1984, pl.3, figs.3-4, text-fig.3; Jan du Chêne et al., 1986, pl.27, figs.7-10; Brenner, 1988, pl.3, figs.2a-b
Age: Middle Oxfordian-Early Kimmeridgian

Lentin and Williams, 1993, p. 263: According to Brenner, 1988, the specimen designated as the lectotype by Sarjeant, 1984, cannot be a lectotype since it is not from the same sample as the holotype. As defined in I.C.B.N. Article 7.5, a lectotype is selected from the original material. Whether this has to be the same sample is not made clear.
Brenner, 1988, also reasoned that the morphology of the lectotype, as designated by Sarjeant, 1984, of Acanthaulax granulata differed sufficiently from the holotype to represent a new species. I.C.B.N. Article 8.1 states that the choice of a lectotype by an author may be superseded if it can be shown to be in serious conflict with the protologue.
Benner, 1988, designated as the lectotpye the specimen illustrated in Benner, 1988, pl.1, figs.3a-c.
Further, Benner, 1988, give the citation Meristaulax granulata sensu Sarjeant, 1984, and listed the holotype as Sarjeant, 1984, pl.3, figs.3-4
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