title: Bivalvia and Stratigraphy of the Lower and Middle Berriasian of the Crimea
abstract: The work contains systematic descriptions of 72 species of bivalves from the Lower and Middle Berriasian deposits of Crimea, including 12 new species. The history of their study is briefly outlined, the known species from this region are revised, facies associations of mollusks are analyzed, and data on the stratigraphic and geographical distribution of the studied species are summarized. Eleven type sections, including five new ones, are described. In one section, the Upper Tithonian–Lower Berr
journal: Paleontological Journal