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 ...

Today, just a few species of the palm-like plants survive in tropical and subtropical habitats ... habitats began during the late Mesozoic and continued into the early Cenozoic Era, punctuated by the ...

The plant life of the Cretaceous was quite different to that ... the Palaeogene Period and the Cenozoic Era began. In the Palaeogene, the continents drifted even closer to their present-day positions, ...