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Hystrichosphaeridium capitatum

"Hystrichosphaeridium capitatum" Cookson and Eisenack, 1960b, p.252, pl.39, fig.9.

TYPE: Holotype: Cookson and Eisenack, 1960b, pl.39, fig.9.

HISTORY: NOW: Prolixosphaeridium. Originally Hystrichosphaeridium, subsequently (and now) Prolixosphaeridium, thirdly Tenua Eisenack, fourthly Batiacasphaera.

AGE: Oxfordian-Kimmeridgian.


Infraspecific taxa:


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