ПЕРВАЯ НАХОДКА PSEUDOSIDEROLITES SMOUT (ФОРАМИНИФЕРЫ) В ВЕРХНЕМЕЛОВЫХ ОТЛОЖЕНИЯХ РОСТОВСКОЙ ОБЛАСТИ

Abstract

A taxonomic description of larger foraminifers of the genus Pseudosiderolites, from Upper Cretaceous beds in the Rostov Region that were previously assigned to the Paleogene, is provided for the first time. The beds with these foraminifers are dated as Maastrichtian. Species criteria and the taxonomic position of the genus Pseudosiderolites are discussed.