Cleistosphaeridium regulatum
From dinoflaj2
"regulatum" Zhou Heyi, 1985, p.7, pl.1, figs.16-17,19-21. Holotype: Zhou Heyi, 1985, pl.1, fig.16. NOW Sepispinula?. Originally Cleistosphaeridium, subsequently Impletosphaeridium, thirdly (and now) Sepispinula?. Age: mid Oligocene.
Parent: Cleistosphaeridium
