Deflandrea extrema

"extrema" Cookson and Eisenack, 1974, p.48, pl.20, fig.4.  Holotype: Cookson and Eisenack, 1974, pl.20, fig.4.  NOW Isabelidinium?.  Originally Deflandrea, subsequently Spongodinium?, thirdly (and now) Isabelidinium?.  Age: Albian-Cenomanian.

Parent: Deflandrea