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Canningia aspera

"Canningia? aspera" C. Singh, 1971, p.322, pl.50, fig.1.

TYPE: Holotype: C. Singh, 1971, pl.50, fig.1.

HISTORY: NOW: Circulodinium. Originally Canningia, subsequently Canningia?, thirdly Epelidosphaeridia, fourthly Cyclonephelium, fifthly (and now) Circulodinium. Questionable assignment: Stover and Evitt (1978, p.25).

AGE: Mid Albian.


Infraspecific taxa:


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