Calcigonellum sulcatum

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"sulcatum" Keupp, 1979c, p.658, pl.6, figs.16–21. Holotype: Keupp, 1979c, pl.2, figure labelled as "C. sulcatum". NOW Praecalcigonellum.  Originally Calcigonellum, subsequently (and now) Praecalcigonellum.  Age: early Hauterivian.

Parent: Calcigonellum