Deflandrea bakeri forma pellucida

"forma pellucida" Deflandre and Cookson, 1955, p.251, pl.4, fig.3.  Holotype: Deflandre and Cookson, 1955, pl.4, fig.3; Cookson and Eisenack, 1958, pl.4, fig.9; Stover, 1974, pl.1, figs.7a-b.  NOW Isabelidinium pellucidum.  Originally Deflandrea bakeri forma pellucida, subsequently Deflandrea pellucida, thirdly Isabelia pellucida (combination illegitimate), fourthly (and now) Isabelidinium pellucidum, fifthly Alterbia pellucida (combination illegitimate).  Age: Paleocene-Early Eocene. Parent: Deflandrea bakeri