Apteodinium micracanthum
From dinoflaj3
?micracanthum Cookson and Eisenack, 1974, p.51–52, pl.25, figs.2–3. Holotype: Cookson and Eisenack, 1974, pl.25, fig.3. Originally Apteodinium, subsequently (and now) Apteodinium?. Questionable assignment: Stover and Evitt (1978, p.142), as a problematic species. Age: Albian–Senonian.
Parent: Apteodinium