Figure 1: Summary of orbital timescale calibrations for the Cenozoic era in the context of climatic cycles. Unfortunately, there have been a number of inconsistencies and discrepancies between ...

In turn, the extinction of the dinosaurs and several other animal groups 65.5 million years ago defines the beginning of the Cenozoic era. We are including several pages with geologic time scale data ...

And 64 million years after dinosaurs went extinct, modern humans emerged in the Cenozoic era. The planet has seen an incredible series of changes—discover them for yourself.

3 min read At the dawn of the Paleogene—the beginning of the Cenozoic era—dinosaurs, pterosaurs, and giant marine reptiles were conspicuously absent from the face of the Earth. Rodent-size ...

These large, carnivorous, flightless birds, known scientifically as Phorusrhacidae, were among South America’s top predators ...