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