Oligosphaeridium abbreviatum
From dinoflaj2
"abbreviatum" Xu Jinli et al., 1997, p.82-83, pl.24, fig.10. Holotype: Xu Jinli et al., 1997, pl.24, fig.10. Name not validly published: no English or Latin description. Age: Mid-Late Eocene.
Parent: Oligosphaeridium
