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Pterodinium cingulatum subsp. granulatum

Pterodinium cingulatum subsp. granulatum (Clarke and Verdier, 1967, p.45-46, pl.9, figs.5-6; text-fig.18) Lentin and Williams, 1981, p.238.

TYPE: Holotype: Clarke and Verdier, 1967, pl.9, fig.5; Jan du Chêne et al., 1986a, pl.88, figs. 5-8.

HISTORY: Originally Hystrichosphaera cingulata var. granulata, subsequently Spiniferites cingulatus subsp. granulatus, thirdly Spiniferites? cingulatus subsp. granulatus, fourthly (and now) Pterodinium cingulatum subsp. granulatum.

AGE: Cenomanian.


Infraspecific taxa:


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