Apteodinium frontierense
From dinoflaj3
frontierense (Burgess, 1971, p.81, pl.1, figs.6,9; text-fig.13) Stover and Evitt, 1978, p.142. Holotype: Burgess, 1971, pl.1, fig.9; Jan du Chêne et al., 1986a, pl.15, figs.1–6. Originally Coniferatium, subsequently (and now) Apteodinium. Age: Albian–early Cenomanian.
Parent: Apteodinium