Hystrichokolpoma pacificum
From dinoflaj3
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