Kallosphaeridium curiosum
From dinoflaj3
"curiosum" Bujak, 1984, p.188, pl.2, figs.17–20. Holotype: Bujak, 1984, pl.2, fig.19. NOW Batiacasphaera. Originally Kallosphaeridium, subsequently (and now) Batiacasphaera. Age: middle-late Eocene.
Parent: Kallosphaeridium