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Achomosphaera hyperacantha

"Achomosphaera hyperacantha" (Deflandre and Cookson, 1955, p.264-265, pl.6, fig.7) Davey and Williams, 1969, p.4.

TYPE: Holotype: Deflandre and Cookson, 1955, pl.6, fig.7.

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

SYNONYM(S): Taxonomic junior synonym (at specific rank): Hystrichosphaera furcata var. multiplicata, according to Matsuoka (1985a, p.35).

MOTILE EQUIVALENT: Gonyaulax spinifera complex, according to Matsuoka et al. (1989, p.94).

AGE: Miocene.


Infraspecific taxa:


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