title: Новый представитель подрода Hadrocheilus (Arcuatobeccus) Shimansky (ринхолиты) из нижнего сеномана Юго-Западного Крыма
abstract: 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 
journal: Известия высших учебных заведений. Геология и разведка