Trithyrodinium evittii
From dinoflaj3
*evittii Drugg, 1967, p.20, pl.3, figs.2–3; pl.9, fig.2. Holotype: Drugg, 1967, pl.3, fig.2. Taxonomic junior synonym: Trithyrodinium fragile, according to Nøhr-Hansen and Dam (1999, p.129). Age: Danian.