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Gonyaulacysta porosa
Gonyaulacysta? porosa (Lejeune-Carpentier, 1946, p.B193,B196) Sarjeant, 1966b, p.132; Emendation: Lejeune-Carpentier and Sarjeant, 1981, p.7–8, as Leptodinium porosum.
Combination not validly published: basionym not fully referenced.
NOW Leptodinium. Originally Gonyaulax (motile stage), subsequently Gonyaulacysta (combination not validly published), thirdly (and now) Leptodinium, fourthly Leptodinium?. Questionable assignment: Sarjeant (1966b, p.132).
Holotype: LejeuneCarpentier, 1946, text-fig.6; Lejeune-Carpentier and Sarjeant, 1981, pl.3, figs.1-2, text-fig.4
Age: Late Cretaceous
Combination not validly published: basionym not fully referenced.
NOW Leptodinium. Originally Gonyaulax (motile stage), subsequently Gonyaulacysta (combination not validly published), thirdly (and now) Leptodinium, fourthly Leptodinium?. Questionable assignment: Sarjeant (1966b, p.132).
Holotype: LejeuneCarpentier, 1946, text-fig.6; Lejeune-Carpentier and Sarjeant, 1981, pl.3, figs.1-2, text-fig.4
Age: Late Cretaceous