Astrocysta manumcooksonii
From dinoflaj2
"manumcooksonii" Corradini, 1973, p.176-177, pl.28, figs.4,6. Holotype: Corradini, 1973, pl.28, fig.4. Originally Astrocysta, subsequently Palaeoperidinium. Taxonomic senior synonym: Palaeoperidinium cretaceum, according to Lentin and Williams (1976, p.110). Age: Late Cretaceous-Paleocene.
Parent: Astrocysta