Microdinium amphidoxosum
From dinoflaj2
amphidoxosum (Jiabo, 1978, p.93, pl.6, fig.2) Lentin and Williams, 1989, p.243. Holotype: Jiabo, 1978, pl.6, fig.2. Originally Dinogymnium?, subsequently (and now) Microdinium. Age: Early Tertiary.
Parent: Microdinium