Cenozoic Era

The Cenozoic Era (66 million years ago to current) is the current era that follows the Mesozoic and is also known as “The Age of Mammals”. The mass extinction of the Cretaceous-Paleogene extinction that included the dinosaurs allowed for the diversification of mammals as well as birds, other reptiles and amphibians. A group of avians known as the terror birds grew to be larger than the average human and were formidable predators. Mammal species came to dominate the terrestrial environment, some growing to be larger than any seen today. The Cenozoic is divided into the Paleogene period, the Neogene period and the Quaternary period.

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