† Triphora (Ogivia) gymna Cossmann, 1919
Triphora (Ogivia) gymna Cossmann, 1919: 102, pl. 3, fig. 35–36.
Type locality. France, Loire – Inférieure, Bois–Gouêt .
Type stratum. Eocene.
Type material. MNHN.F.J04755, holotype .
Distribution. France (Cossmann 1919).
Geological age. Eocene (Cossmann 1919).