Hystrichosphaeridium salvadorense
From dinoflaj3
"salvadorense" Regali et al., 1974, p.290, pl.23, fig.1. Holotype: Regali et al., 1974, pl.23, fig.1. NOW Thalassiphora. Originally Hystrichosphaeridium, subsequently (and now) Thalassiphora. Age: Eocene.
Parent: Hystrichosphaeridium