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Kallosphaeridium minus

"Kallosphaeridium? minus" (Cookson and Hughes, 1964, p.43, pl.8, figs.1-3,5) Helby, 1987, p.324-325.

TYPE: Holotype: Cookson and Hughes, 1964, pl.8, fig.1.

STATUS: Combination illegitimate - senior homonym: Kallosphaeridium? minus (Jiabo, 1978) Lentin and Williams, 1981.

HISTORY: Originally Canningia minor, subsequently Canningia? minor, thirdly Batiacasphaera minor, fourthly Chytroeisphaeridia minor, fifthly Kallosphaeridium minus (combination illegitimate), sixthly (and now) Kallosphaeridium? helbyi. Questionable assignment: Helby (1987, p.324-325).

COMMENTS: Substitute name: Kallosphaeridium helbyi.

AGE: Late Albian-Early Cenomanian.


Infraspecific taxa:


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