Hystrichodinium polycheirum
From dinoflaj3
polycheirum Heilmann-Clausen in Heilmann-Clausen and Thomsen, 1995, p.297–298, pl.11, figs.6–12; text-fig.16. Holotype: Heilmann-Clausen and Thomsen, 1995, pl.11, figs.7–8; text-fig.16. Age: late Barremian.
Parent: Hystrichodinium