Pervosphaeridium intervelum
From dinoflaj3
intervelum Kirsch, 1991, p.73–74, pl.27, figs.7,9–12; pl.40, figs.5–6; text-figs.40,41a–b. Holotype: Kirsch, 1991, pl.27, figs.10–12; pl.40, fig.5; text-figs.41a–b. Age: early-middle Campanian.
Parent: Pervosphaeridium