Attributed to Valenciennes by L. Agassiz & Desor (1847a: p. 136), who never appears to have actually published the ... [details]
Attributed to Valenciennes by L. Agassiz & Desor (1847a: p. 139), who never appears to have actually published the ... [details]
Eocene ("Tert. inf." in original description) [details]
Saint Palais, near Royan, France [details]
Collection d'Orbigny [details]