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Hystrichosphaeridium alcicornu

"Hystrichosphaeridium alcicornu" Eisenack, 1954b, p.65, pl.10, figs.1-2; text-fig.5.

TYPE: Holotype: Eisenack, 1954b, pl.10, fig.2.

HISTORY: NOW: Achomosphaera. Originally Hystrichosphaeridium, subsequently (and now) Achomosphaera.

SYNONYM(S): Taxonomic junior synonyms: Galea lychnea and Hystrichosphaeridium leptodermum, both according to Sarjeant (1983, p.100-101).

AGE: Oligocene.


Infraspecific taxa:


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