Acutostrea idriaensis (FOSSIL) (W.M. Gabb, 1869 †)
Acutostrea miguelensis (FOSSIL) (L.G. Hertlein, 1928 †)
Helvetostrea sequana (FOSSIL) (Thurmann & Étallon,1862 †)
Praeexogyra dubiensis (FOSSIL) (Contejean, 1859 †)
Praeexogyra monsbeliardensis (FOSSIL) (Contejean, 1859 †)