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Hystrichosphaera crassipellis

"Hystrichosphaera crassipellis" Deflandre and Cookson, 1955, p.265, pl.6, figs.2-3; text-fig.20.

TYPE: Holotype: Deflandre and Cookson, 1955, pl.6, figs.2-3.

HISTORY: NOW: Achomosphaera. Originally Hystrichosphaera, subsequently Spiniferites, thirdly (and now) Achomosphaera.

SYNONYM(S): Taxonomic junior synonyms: Achomosphaera recurvata and Hystrichosphaera (subsequently Spiniferites) membranosa, according to Quattrocchio and Sarjeant (1996, p.116).

COMMENTS: Hystrichosphaera crassipellis was not validly published in Deflandre and Cookson (1954, p.1236), who did not give a description.

AGE: Early Eocene.


Infraspecific taxa:


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