title: The Berriasian Tirnovella occitanica Zone in the Feodosia Area (Eastern Crimea)
abstract: The occurrence of the Tirnovella occitanica Ammonite Zone in the Berriasian section of Feodosia was confirmed here for the first time. The results of sedimentological, bio-, and magnetostratigraphic study of this interval are discussed.
journal: Moscow University Geology Bulletin