Hystrichosphaeridium maranhense
From dinoflaj3
"maranhense" Regali et al., 1974, p.291, pl.23, fig.3. Holotype: Regali et al., 1974, pl.23, fig.3. NOW Spiniferites?. Originally Hystrichosphaeridium, subsequently (and now) Spiniferites?. Age: Albian–Cenomanian.
Parent: Hystrichosphaeridium