Fibrocysta lappacea
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"lappacea" (Drugg, 1970b, p.812–813, figs.4A–D,5A–D) Stover and Evitt, 1978, p.155. Holotype: Drugg, 1970b, figs.4A–D. NOW Ifecysta. Originally Lanternosphaeridium, subsequently Fibrocysta, thirdly (and now) Ifecysta. Age: early Eocene.
Parent: Fibrocysta