Alterbia amphiata

"amphiata" (McIntyre, 1975, p.65-66, pl.2, figs.5-8) Yun Hyesu, 1981, p.64.  Holotype: McIntyre, 1975, pl.2, figs.5-6.  Combination illegitimate: the generic name Alterbia is illegitimate.  NOW Isabelidinium?.  Originally Deflandrea, subsequently Isabelia? (combination illegitimate), thirdly Alterbia (combination illegitimate), fourthly (and now) Isabelidinium?.  Age: Paleocene-Early Eocene.

Parent: Alterbia