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Surculosphaeridium calicigerum

Surculosphaeridium? calicigerum (de Coninck, 1986b, p.10, pl.1, figs.8-13) Stover and Williams, 1995, p.102.

TYPE: Holotype: de Coninck, 1986b, pl.1, figs.11-13.

HISTORY: Originally Areosphaeridium?, subsequently (and now) Surculosphaeridium?. Questionable assignment: Stover and Williams (1995, p.102).

AGE: Late Eocene (Tongrian).


Infraspecific taxa:


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