Volkheimeridium clavus
From dinoflaj3
"clavus" (Harland, 1973, p.674–675, pl.84, figs.5–6,10; text-fig.9) Quattrocchio and Sarjeant, 2003, p.136. Holotype: Harland, 1973, pl.84, fig.6. NOW Spinidinium. Originally (and now) Spinidinium subsequently Spinidinium?, thirdly Volkheimeridium. N.I.A. Age: late Campanian.
Parent: Volkheimeridium