Hystrichosphaeropsis variabilis
From dinoflaj3
variabilis Matsuoka and Bujak, 1988, p.49–50, pl.5, figs.5a–b,6–8; text-fig.8. Holotype: Matsuoka and Bujak, 1988, pl.5, figs.5a–b; text-fig.8. Age: late Miocene.
Parent: Hystrichosphaeropsis