Canningia circularis

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"?circularis" Cookson and Eisenack, 1971, p.219, pl.8, fig.6.  Holotype: Cookson and Eisenack, 1971, pl.8, fig.6.  NOW Kallosphaeridium?.  Originally Canningia, subsequently Canningia?, thirdly Batiacasphaera, fourthly (and now) Kallosphaeridium?.  Questionable assignment: Stover and Evitt (1978, p.25).  Age: mid Cretaceous, ?Turonian.

Parent: Canningia