Isabelidinium thomasii

thomasii (Cookson and Eisenack, 1961a, p.71–72, pl.11, figs.7–10) Lentin and Williams, 1977a, p.168.  Holotype: Cookson and Eisenack, 1961a, pl.11, fig.8.  Originally Deflandrea, subsequently Isabelia (combination illegitimate), thirdly (and now) Isabelidinium.  Age: Senonian.

Parent: Isabelidinium