Elytrocysta circulata
From dinoflaj3
circulata (Clarke and Verdier, 1967, p.67–68, pl.1, fig.11; pl.2, fig.3; text-fig.28) Stover and Helby, 1987d, p.282. Holotype: Clarke and Verdier, 1967, pl.1, fig.11. Originally Dictyopyxidia, subsequently Ellipsoidictyum, thirdly (and now) Elytrocysta. Age: Cenomanian–Santonian.
Parent: Elytrocysta