Calcigonellum sulcatum

"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.