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Achomosphaera heterostyla

Achomosphaera heterostyla (Heisecke, 1970, p.238,240, pl.5, figs.1-4; pl.6, figs.4-5) Stover and Evitt, 1978, p.138.

TYPE: Holotype: Heisecke, 1970, pl.5, figs.3-4; pl.6, fig.4.

HISTORY: Originally Hystrichosphaera, subsequently Spiniferites, thirdly (and now) Achomosphaera.

AGE: Danian.


Infraspecific taxa:


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