Ovoidinium waltonii
From dinoflaj3
waltonii (Pocock, 1972, p.93, pl.22, figs.13–14) Lentin and Williams, 1976, p.105. Holotype: Pocock, 1972, pl.22, fig.14. Originally Evittia Pocock (generic name illegitimate), subsequently Pocockia, thirdly (and now) Ovoidinium, fourthly Ascodinium. Lentin and Williams (1989, p.270) retained this species in Ovoidinium. Age: ?Toarcian–?Bajocian, as given by Jansonius (1986, p.202).
Parent: Ovoidinium