Pterodinium makropterum
From dinoflaj2
?makropterum (Cookson and Eisenack, 1982, p.47-48, pl.7, figs.1-3) Lentin and Williams, 1985, p.300. Holotype: Cookson and Eisenack, 1982, pl.7, fig.2. Originally Spiniferites, subsequently (and now) Pterodinium?. Questionable assignment: Lentin and Williams (1985, p.300). Age: mid Cretaceous.
Parent: Pterodinium
