Spinidinium essoi
From dinoflaj2
"essoi" Cookson and Eisenack, 1967a, p.135, pl.19, figs.1-8. Holotype: Cookson and Eisenack, 1967a, pl.19, figs.1-2. NOW Magallanesium. Originally Spinidinium, subsequently (and now) Magallanesium. Age: Late Paleocene.
Parent: Spinidinium