Elsewhere in this issue, Dupont-Nivet et al. 2 and Zanazzi et al. 3 describe climatic and biotic changes in central Asia and North America during the early Oligocene that implicate declining ...

North Atlantic Oligocene-early Miocene abyssal benthic foraminiferal assemblages were relatively stable, showing few first or last occurrences. Late Oligocene subsidence at Sites 558 and 563 caused ...