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: Middle Cretaceous, ?Turonian.
Parent: Canningia