Spinidinium sagittula
From dinoflaj2
sagittula (Drugg, 1970b, p.809-810, figs.1A-C) Lentin and Williams, 1976, p.64. Holotype: Drugg, 1970b, fig.1A. Originally Deflandrea, subsequently (and now) Spinidinium. N.I.A. Age: Early Eocene.
Parent: Spinidinium