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Calcigonellum polymorphum subsp. tenue

"Calcigonellum polymorphum subsp. tenue" Keupp, 1980a, p.131-132, pl.16, figs.2-6.

TYPE: Holotype: Keupp, 1980a, pl.16, figs.2-3.

HISTORY: NOW: Praecalcigonellum polymorphum subsp. tenue. Originally Calcigonellum polymorphum subsp. tenue, subsequently (and now) Praecalcigonellum polymorphum subsp. tenue.

AGE: Aptian (late Clansayesian).


Infraspecific taxa:


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