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Achomosphaera operculata

"Achomosphaera? operculata" Sah et al., 1970, p.144, pl.1, figs.1-2.

TYPE: Holotype: Sah et al., 1970, pl.1, fig.1.

HISTORY: NOW: Operculodinium. Originally Achomosphaera, subsequently Achomosphaera?, thirdly (and now) Operculodinium. Questionable assignment: Stover and Evitt (1978, p.139).

AGE: Late Cretaceous.


Infraspecific taxa:


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DINOFLAJ (c) 1998