The First Record of an Ammonite in the Upper Cenomanian (Upper Cretaceous) of the Crimea
Journal: Moscow University Geology Bulletin
Year: 2024

A Cenomanian ammonite, Calycoceras (Calycoceras) naviculare (Mantell, 1822) (Acanthoceratidae, Ammonoidea) has been found in the well-known section of the Selbukhra Mountain in the vicinity of the village of Nauchnyi in southwestern Crimea. This is the first find of the ammonite in the upper Cenomanian deposits in the Crimea and in Russia.