LK Ammonite Deshayesites IF-LKA-16-001RusDeshayesites sp. Lower Cretaceous Volga River, Saratov Region Russia This is a very fine example of the Lower Cretaceous ammonite Deshayesites. There are at least four ammonites exposed and probably more still in the limestone concretion matrix. The ammonites still retain much of their original aragonite shell and subtle iridescence is present. The largest ammonite is 3. 5 inches. The Lower Cretaceous deposits in the Saratov Region are well known for