Ceratiopsis warrenii, (Schumacker-Lambry, 1978), Lentin and Williams, 1981

Combination illegitimate since the generic name Ceratiopsis is illegitimate.
Now Cerodinium. Originally Deflandrea, subsequently Ceratiopsis (combination illegitimate), thirdly (and now) Cerodinium.

Holotype: Schumacker-Lambry, 1978, pl.4, fig.6
Age: Paleocene (Landenian)