Fibrocysta radiata
From dinoflaj2
radiata (Morgenroth, 1966a, p.37-38, pl.10, figs.7-9) Stover and Evitt, 1978, p.155. Holotype: Morgenroth, 1966a, pl.10, figs.7-8. Originally Lanternosphaeridium, subsequently (and now) Fibrocysta. Age: Early Eocene.
Parent: Fibrocysta