Isabelia cretacea
From dinoflaj3
"cretacea" (Cookson, 1956, p.184–185, pl.1, figs.1–7 [but see discussion under Isabelidinium cretaceum]) Lentin and Williams, 1976, p.57. Holotype: Cookson, 1956, pl.1, fig.1; Helby et al., 1987, fig.42L. Combination illegitimate: the generic name Isabelia is illegitimate. NOW Isabelidinium. Originally Deflandrea, subsequently Isabelia (combination illegitimate), thirdly (and now) Isabelidinium, fourthly Manumiella? Age: Late Cretaceous.
Parent: Isabelia_Lentin and Williams 1976