Keuppisphaera minuta
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"minuta" (Keupp, 1987, p.40–41, pl.6, figs.1–7; text-fig.2a) Keupp and Kowalski, 1992, p.215. Holotype: Keupp, 1987, pl.6, figs.5–6. Combination not validly published: basionym not fully referenced. NOW Calcigonellum?. Originally Calcigonellum, subsequently Keuppisphaera (combination not validly published), thirdly (and now) ?Calcigonellum. Age: middle Albian–early Cenomanian.
Parent: Keuppisphaera