Spinidinium clavus
From dinoflaj3
?clavus Harland, 1973, p.674–675, pl.84, figs.5–6,10; text-fig.9. Holotype: Harland, 1973, pl.84, fig.6. Originally (and now), Spinidinium, subsequently Spinidinium?, thirdly Volkheimeridium. Questionable assignment: Stover and Evitt (1978, p.125). Sluijs et al. (2009, p.47) questionably retained this species in Spinidinium. N.I.A. Age: late Campanian.
Parent: Spinidinium