Spiniferites porosus

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