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Tanyosphaeridium prolixispinosum

"Tanyosphaeridium prolixispinosum" (Davey and Williams, 1966b, p.76-77, pl.8, figs.2-3) Duxbury, 1980, p.132.

TYPE: Holotype: Davey and Williams, 1966b, pl.8, fig.3.

HISTORY: NOW: Oligosphaeridium. Originally (and now) Oligosphaeridium, subsequently Tanyosphaeridium.

AGE: Cenomanian.


Infraspecific taxa:


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