Spiniferites cristatus (Conrad, 1941) Lentin and Williams, 1973

Originally Hystrichosphaera, subsequently (and now) Spiniferites.
Stover and Evitt, 1978, considered this to be a problematical species of Spiniferites.

Holotype: Conrad, 1941, pl.1, fig.D, text-fig.2D
Age: Maastrichtian