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Spiniferites microceras subsp. opisthophorus

Spiniferites microceras subsp. opisthophorus (Cookson and Eisenack, 1974, p.61, pl.22, fig.12) Lentin and Williams, 1977b, p.152.

TYPE: Holotype: Cookson and Eisenack, 1974, pl.22, fig.12.

HISTORY: Originally Spiniferites microceras var. opisthophorus, subsequently (and now) Spiniferites microceras subsp. opisthophorus.

AGE: Paleocene.


Infraspecific taxa:


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