Raymondiceras is genus of ammonoid cephalopod belonging to the Cheiloceratidae family. Species belonging to this genus lived in late Devonian (Famennian). Species and distribution Raymondiceras inceptum Petersen, 1975: ca 367.6 - 366.9 mya of Western Australia Raymondiceras simplex Raymond, 1909: ca 370.0 - 366.8 mya of Montana (USA). This species has been originally assigned to genus Prolobites. This is type species for genus Raymondiceras. References Goniatitida genera Cheiloceratidae Late Devonian ammonites Ammonites of Australia Ammonites of North America Famennian life Famennian genus first appearances Famennian genus extinctions