Newsletter 1998, October
- Editorial, by D. Rio and D. Castradori
- SNS Annual report 1998
- The Global boundary Stratotype Section and Point (GSSP) for the Zanclean Stage and Pliocene Series - a proposal by J.A. Van Couvering, D. Castradori, M.B. cita, F.J. Hilgen and D. Rio
- The Global boundary Stratotype Section and Point (GSSP) of the Messinian Stage (uppermost Miocene) - a proposal by F.J. Hilgen, W. Krijgsman, C.G. Langereis, W.J. Zachariasse, S. Iaccarino, G. Villa, R.H. Benson and M. Dahmani
- Against the lowering of the Pliocene-Pleistocene boundary - Memorandum by D. Rio, D. Castradori and J.A. Van Couvering