Operculodinium bahiaense

bahiaense (Regali et al., 1974, p.289–290, pl.23, fig.5) Arai in Fauconnier and Masure, 2004, p.345.  Holotype: Regali et al., 1974, pl.23, fig.5.  Originally Hystrichosphaeridium, subsequently Cleistosphaeridium?, thirdly Impletosphaeridium?, fourthly (and now) Operculodinium.  Age: Eocene–Oligocene.

Parent: Operculodinium