Spiniferites velatus
From dinoflaj3
"?velatus" (Clarke and Verdier, 1967, p.51–52, pl.10, figs.1–2; text-fig.22) Stover and Evitt, 1978, p.191. Holotype: Clarke and Verdier, 1967, pl.10, fig.2. NOW Culversphaera. Originally Nematosphaeropsis, subsequently Spiniferites?, thirdly (and now) Culversphaera. Questionable assignment: Stover and Evitt (1978, p.191). Age: Santonian.