Impletosphaeridium patagonicum

patagonicum (Archangelsky, 1969b, p.200–201, pl.3, figs.9–10) Islam, 1993, p.86.  Holotype: Archangelsky, 1969b, pl.3, figs.9–10.  Originally Cleistosphaeridium, subsequently Cleistosphaeridium?, thirdly (and now) Impletosphaeridium.  Age: Eocene.

Parent: Impletosphaeridium