Ceratiopsis depressa
From dinoflaj3
"depressa" (Morgenroth, 1966a, p.8, pl.1, fig.2) Lentin and Williams, 1977b, p.20. Holotype: Morgenroth, 1966a, pl.1, fig.2. Combination illegitimate: the generic name Ceratiopsis is illegitimate. NOW Cerodinium. Originally Deflandrea, subsequently Ceratiopsis (combination illegitimate), thirdly (and now) Cerodinium. Age: early Eocene.
Parent: Ceratiopsis_Vozzhennikova 1963