The calcareous nannofossil record across the Late Cretaceous Turonian/Coniacian boundary, including new data from Germany, Poland, the Czech Republic and England
Keywords: سرچشمه مرزی; Turonian/Coniacian boundary; Salzgitter-Salder; Slupia Nadbrzezna; Brezno; Langdon Stairs; Boundary stratotype; Calcareous nannofossils; Biostratigraphy; Germany; Poland; Czech Republic; England