echinoids

Upper Cretaceous Deposits and Biostratigraphy of the «Novospasskoe» Section (South-West of the Ulyanovsk Region)

The section of campanian deposits of the south-west of the Ulyanovsk region characterized by a strata of “knotty” chalk is described. It was found relatively numerous faunal complex presented mostly by belemnites, bivalves and echinoids. The diversity of epibiontic organisms is described. The study of fauna has helped clarify stratigraphic position of the section within the scope of valid regional scheme.