Impletosphaeridium granulosum
From dinoflaj3
"granulosum" Jain and Tandon, 1981, p.11, pl.2, figs.30–31; pl.3, fig.50. Holotype: Jain and Tandon, 1981, pl.2, fig.30. NOW Exochosphaeridium. Originally Impletosphaeridium, subsequently (and now) Exochosphaeridium. Age: middle Eocene.
Parent: Impletosphaeridium