Hystrichokolpoma pacificum
From dinoflaj2
pacificum Matsuoka, 1979, p.51,53-54, pl.1, figs.1-5; text-figs.3,5A. Holotype: Matsuoka, 1979, pl.1, figs.1-3; Fauconnier and Masure, 2004, pl.39, fig.5. Age: Early Pleistocene.
Parent: Hystrichokolpoma