title: Tertiary climatic change in the marginal northeastern pacific ocean.
abstract: Analysis of distributional patterns of shallow-water molluscan faunas of the middle latitudes of the marginal northeastern Pacific Ocean discloses a sharp reversal during the Miocene of the progressive climatic deterioration. A low point in the Tertiary cooling trend during the Oligocene was followed by climatic warming that culminated during the middle Miocene, as illustrated by a series of zoogeographic profiles.
authors.forename: W O
authors.initials: WO
authors.lastname: Addicott