Spiniferites porosus
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porosus (Manum and Cookson, 1964, p.11–12, pl.2, figs.1–5; text-fig.2) Harland, 1973, p.690. Holotype: Manum and Cookson, 1964, pl.2, figs.2–3; text-fig.2. Originally Hystrichosphaera, subsequently (and now) Spiniferites. Age: Late Cretaceous.
Parent: Spiniferites