Cleistosphaeridium bahiaense
From dinoflaj2
"?bahiaense" (Regali et al., 1974, p.289-290, pl.23, fig.5) Lentin and Williams, 1981, p.47. Holotype: Regali et al., 1974, pl.23, fig.5. NOW Operculodinium. Originally Hystrichosphaeridium, subsequently Cleistosphaeridium?, thirdly Impletosphaeridium?, fourthly (and now) Operculodinium. Questionable assignment: Lentin and Williams (1981, p.47). Age: Eocene-Oligocene.
Parent: Cleistosphaeridium
