Calcigonellum polymorphum
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"polymorphum" Keupp, 1980a, p.128, p.130-131, pl.15, figs.7-15; pl.16, figs.1-6. Holotype: Keupp, 1980a, pl.15, figs.7-8. NOW Praecalcigonellum. Originally Calcigonellum, subsequently (and now) Praecalcigonellum. Age: Late Aptian-Early Albian.
Parent: Calcigonellum
Infrataxon List: