Fibrocysta bipolaris

*bipolaris (Cookson and Eisenack, 1965b, p.135, pl.16, figs.7-8) Stover and Evitt, 1978, p.155.  Holotype: Cookson and Eisenack, 1965b, pl.16, fig.8.  Originally Cordosphaeridium, subsequently Lanternosphaeridium, thirdly Amphorosphaeridium, fourthly (and now) Fibrocysta.  Age: Early Eocene.

Parent: Fibrocysta