Batiacasphaera circularis
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"circularis" (Cookson and Eisenack, 1971, p.219, pl.8, fig.6) Dörhöfer and Davies, 1980, p.40. Holotype: Cookson and Eisenack, 1971, pl.8, fig.6. NOW Kallosphaeridium?. Originally Canningia, subsequently Canningia?, thirdly Batiacasphaera, fourthly (and now) Kallosphaeridium?. Age: Albian-Cenomanian.
Parent: Batiacasphaera