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Impletosphaeridium bahiaense
Impletosphaeridium 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.
Holotype: Regali et al., 1974, pl.23, fig.5.
Originally Hystrichosphaeridium, subsequently Cleistosphaeridium?, thirdly Impletosphaeridium?, fourthly (and now) Operculodinium.
Age: Eocene-Oligocene.