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Polysphaeridium pseudocolligerum

"Polysphaeridium pseudocolligerum" Stover, 1977, p.74-75, pl.1, figs.14-19.

TYPE: Holotype: Stover, 1977, pl.1, figs.14-16.

HISTORY: NOW: Dapsilidinium. Originally Polysphaeridium, subsequently (and now) Dapsilidinium.

AGE: Early Oligocene-Early Miocene.


Infraspecific taxa:


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