Exochosphaeridium giganteum
From dinoflaj3
giganteum (Caro, 1973, p.360–361, pl.2, fig.12) Hochuli and Masure in Fauconnier and Masure, 2004, p.345. Holotype: Caro, 1973, pl.2, fig.12; Fauconnier and Masure, 2004, pl.49, figs.13–14. Originally Polysphaeridium, subsequently Cleistosphaeridium, thirdly Impletosphaeridium, fourthly (and now) Exochosphaeridium. Age: early Eocene.
Parent: Exochosphaeridium