Dinogymnium amphidoxosum
From dinoflaj2
"?amphidoxosum" Jiabo, 1978, p.93, pl.6, fig.2. Holotype: Jiabo, 1978, pl.6, fig.2. NOW Microdinium. Originally Dinogymnium?, subsequently (and now) Microdinium. Questionable assignment: Jiabo (1978, p.93). Age: Early Tertiary.
Parent: Dinogymnium