identified by scientist Neogene Miocene Serravallian off West Africa ODP Leg 159 Sites 959 to 962 FEU-1009436 | identified by scientist Neogene Miocene Serravallian off West Africa ODP Leg 159 Sites 959 to 962 FEU-1009437 | identified by scientist Neogene Miocene Burdigalian Micronesia + Philippine Basin ODP Leg 130 Site 806 FEU-1009597 |