Alterbia pellucida

"pellucida" (Deflandre and Cookson, 1955, p.251, pl.4, fig.3) Yun Hyesu, 1981, p.64.  Holotype: Deflandre and Cookson, 1955, pl.4, fig.3; Cookson and Eisenack, 1958, pl.4, fig.9; Stover, 1974, pl.1, figs.7a-b.  Combination illegitimate : the generic name Alterbia is illegitimate.  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: Alterbia