Isabelia microarma
From dinoflaj3
"microarma" (McIntyre, 1975, p.65, pl.1, figs.5–8) Lentin and Williams, 1976, p.58. Holotype: McIntyre, 1975, pl.1, figs.5–6. Combination illegitimate: the generic name Isabelia is illegitimate. NOW Isabelidinium. Originally Deflandrea, subsequently Isabelia (combination illegitimate), thirdly (and now) Isabelidinium. Age: Campanian–Maastrichtian.
Parent: Isabelia_Lentin and Williams 1976