Ceratiopsis obliquipes, (Deflandre and Cookson, 1955), Lentin and Williams, 1980

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

Holotype: Deflandre and Cookson, 1955, pl.4, fig.6
Age: Middle Paleocene-Early Eocene