A new representative of the Hadrocheilus (Arcuatobeccus) Shimansky subgenus (rhyncholites) from the Lower Cenomanian of the South-West Crimea
Journal: Proceedings of higher educational establishments Geology and Exploration
Year: 2017

Rhyncholites of the Arcuatobeccus subgenus represent a big group, counting about 25 species and known from the Western Europe, Mountain Crimea and also San-Salvador Island. A stratigraphic distribution of the Arcuatobeccus covers an interval from the Middle Jurassic up to the Middle Cenomanian, inclusively. In the Mesozoic deposits of the Mountain Crimea, Arcuatobeccus are not popular and distributed in the section unevenly. To the last moment four Cenomanian species of Arcuatobeccus were known