Hystrichosphaera cristata

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"cristata" Conrad, 1941, p.4–5, pl.1, fig.D; text-fig.2D.  Holotype: Conrad, 1941, pl.1, fig.D; text-fig.2D.  NOW Spiniferites?.  Originally Hystrichosphaera, subsequently Spiniferites, thirdly (and now) Spiniferites?.  Age: Maastrichtian.

Parent: Hystrichosphaera