Chonesphaera incerta, Klumpp, 1953, p.395, pl.19, fig.9.

The type material is lost and Keupp in Lentin and Williams (1985, p.379) believed that this taxon is not a dinoflagellate.

Holotype: Klumpp, 1953, pl.19, fig.9.
Age: Late Eocene.