Spiniferites makropterus
From dinoflaj3
"makropterus" Cookson and Eisenack, 1982, p.47–48, pl.7, figs.1–3. Holotype: Cookson and Eisenack, 1982, pl.7, fig.2. NOW Pterodinium?. Originally Spiniferites, subsequently (and now) Pterodinium?. Age: Middle Cretaceous.
Parent: Spiniferites