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Calcigonellum polymorphum

"Calcigonellum polymorphum" Keupp, 1980a, p.128, p.130-131, pl.15, figs.7-15; pl.16, figs.1-6.

TYPE: Holotype: Keupp, 1980a, pl.15, figs.7-8.

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

AGE: Late Aptian-Early Albian.


Infraspecific taxa:


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