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Achomosphaera crassipellis

Achomosphaera crassipellis (Deflandre and Cookson, 1955, p.265, pl.6, figs.2-3; text-fig.20) Stover and Evitt, 1978, p.138.

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

HISTORY: 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: May (1980, p.64) considered Achomosphaera sagena to be a possible taxonomic junior synonym of this species.

AGE: Early Eocene.


Infraspecific taxa:


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