Canningia ringnesiorum
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"?ringnesiorum" Manum and Cookson, 1964, p.15, pl.2, fig.10. Holotype: Manum and Cookson, 1964, pl.2, fig.10. NOW Kallosphaeridium?. Originally Canningia, subsequently Canningia?, thirdly Batiacasphaera, fourthly Chytroeisphaeridia, fifthly (and now) Kallosphaeridium?. Questionable assignment: Stover and Evitt (1978, p.25). Age: Campanian–Maastrichtian.
Parent: Canningia