Amphorosphaeridium multibrevum
From dinoflaj3
multibrevum Davey, 1969c, p.33–34, pl.3, figs.5–6; pl.4, fig.1; text-fig.1, no.3. Holotype: Davey, 1969c, pl.3, fig.5. Age: Campanian–Maastrichtian.
Parent: Amphorosphaeridium