Spiniferites aracajuensis
From dinoflaj2
aracajuensis (Regali et al., 1974, p.291, pl.24, fig.6) Lentin and Williams, 1981, p.259. Holotype: Regali et al., 1974, pl.24, fig.6. Originally Hystrichosphaeridium, subsequently (and now) Spiniferites. Age: Paleocene-Early Eocene.
Parent: Spiniferites