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Batiacasphaera circularis

"Batiacasphaera circularis" (Cookson and Eisenack, 1971, p.219, pl.8, fig.6) Dörhöfer and Davies, 1980, p.40.

TYPE: Holotype: Cookson and Eisenack, 1971, pl.8, fig.6.

HISTORY: NOW: Kallosphaeridium?. Originally Canningia, subsequently Canningia?, thirdly Batiacasphaera, fourthly (and now) Kallosphaeridium?.

AGE: Albian-Cenomanian.


Infraspecific taxa:


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