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Tanyosphaeridium toryna

"Tanyosphaeridium toryna" (Cookson and Eisenack, 1960b, p.252, pl.38, figs.6,15) Stover and Evitt, 1978, p.85.

TYPE: Holotype: Cookson and Eisenack, 1960b, pl.38, fig.15.

HISTORY: NOW: Egmontodinium. Originally Hystrichosphaeridium, subsequently Prolixosphaeridium?, thirdly Tanyosphaeridium, fourthly (and now) Egmontodinium.

ETYMOLOGY: N.I.A.

AGE: Tithonian-Neocomian.


Infraspecific taxa:


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