Impletosphaeridium erinaceum
From dinoflaj2
"erinaceum" Morgenroth, 1966a, p.33-34, pl.8, figs.10-12. Holotype: Morgenroth, 1966a, pl.8, fig.10. NOW Operculodinium. Originally Impletosphaeridium, subsequently (and now) Operculodinium. Age: Early-Mid Miocene.
Parent: Impletosphaeridium
