Magallanesium essoi
From dinoflaj3
"essoi" (Cookson and Eisenack, 1967a, p.135, pl.19, figs.1–8) Quattrocchio and Sarjeant, 2003, p.140. Holotype: Cookson and Eisenack, 1967a, pl.19, figs.1–2. NOW Spinidinium. Originally (and now) Spinidinium, subsequently Magallanesium. Age: late Paleocene.
Parent: Magallanesium