U nderstanding ancient ocean temperatures—particularly from the Cenozoic era (the past 66 million years), in which Earth experienced dramatic climate shifts—helps scientists reveal more about ...

For the Cenozoic period, which began about 70 million ... This record indicates decreasing deep-water temperature, along with the build-up of continental ice sheets. Much of this deep-water ...

2008), as temperatures and rainfall fluctuated dramatically ... Covert, H.H. Biology of early Cenozoic primates. In Comparative Primate Biology, Systematics, Evolution, and Anatomy.

3 min read At the dawn of the Paleogene—the beginning of the Cenozoic era—dinosaurs ... drying trend began in earnest following a sudden temperature spike about 55 million years ago.