Astrocysta ampla

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"ampla" (Harland, 1973, p.673–674, pl.84, figs.1,7; text-fig.8) Harker and Sarjeant, 1975, p.264.  Holotype: Harland, 1973, pl.84, fig.1.  Combination not validly published: basionym not fully referenced.  Originally Lejeunia (generic name illegitimate), subsequently Astrocysta (combination not validly published), thirdly PalaeoperidiniumTaxonomic senior synonym: Palaeoperidinium cretaceum, according to Harker and Sarjeant in Harker et al. (1990, p.128).  Age: late Campanian.

Parent: Astrocysta