Biostratigraphy of the Santonian in the SW margin of the Holy Cross Mountains near Lipnik, a potential reference section for extra-Carpathian Poland

The set of outcrops near the village of Kije, on the SW margin of the Holy Cross Mountains provides a nearly complete Santonian succession that has a great potential to become a Santonian reference section in Poland. The Coniacian/Santonian boundary is defined here by the first occurrence (FO) of the inoceramid bivalve species null Cladoceramus undulatoplicatus null (ROEMER 1852). The uppermost Santonian is characterized by common null...