Operculodinium pugiatum
From dinoflaj2
"pugiatum" Drugg, 1970b, p.819; text-figs.16D-E. Holotype: Drugg, 1970b, text-fig.16E. NOW Lingulodinium. Originally Operculodinium, subsequently (and now) Lingulodinium. Age: Oligocene.
Parent: Operculodinium