Amphorosphaeridium bipolare

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"bipolare" (Cookson and Eisenack, 1965b, p.135, pl.16, figs.7-8) Davey, 1969c, p.35.  Holotype: Cookson and Eisenack, 1965b, pl.16, fig.8.  NOW Fibrocysta.  Originally Cordosphaeridium, subsequently Lanternosphaeridium, thirdly Amphorosphaeridium, fourthly (and now) Fibrocysta.  Age: Early Eocene.

Parent: Amphorosphaeridium