Hystrichokolpoma denticulatum
From dinoflaj2
denticulatum Matsuoka, 1974, p.330-331, pl.44, figs.3-5. Holotype: Matsuoka, 1974, pl.44, fig.3; Fauconnier and Masure, 2004, pl.38, fig.2. Age: Early-Mid Miocene.
Parent: Hystrichokolpoma