The Ypresian to Priabonian Gubs river section, in the Adygean high of the northern slope of the Caucasus, is a rare locality, in which Ypresian–Lutetian representative larger benthic foraminifera coexist with planktonic Foraminifera and calcareous nannoplankton. | Integrated biostratigraphy of eocene deposits in the gubs section (Northern Caucasus) with special attention to the Ypresian/Lutetian boundary and to the Peritethyan-Tethyan correlation