Fibrocysta morgenrothii
From dinoflaj3
"morgenrothii" (Corradini, 1973, p.155, pl.23, fig.1) Stover and Evitt, 1978, p.155. Holotype: Corradini, 1973, pl.23, fig.1. NOW Pervosphaeridium. Originally Lanternosphaeridium, subsequently Fibrocysta, thirdly (and now) Pervosphaeridium. Age: Senonian.
Parent: Fibrocysta