Impletosphaeridium selseyense
From dinoflaj3
selseyense (Islam, 1983b, p.337, pl.2, figs.3,7) Islam, 1993, p.87. Holotype: Islam, 1983b, pl.2, fig.3. Originally Cleistosphaeridium, subsequently (and now) Impletosphaeridium. Age: middle Eocene.
Parent: Impletosphaeridium