Florida Museum of Natural History
the Eocene Epoch 55-35 million years ago

The dinosaurs had only been extinct about ten million years when the Eocene (Eo - dawn; cene - recent) began. Mammals evolved larger bodies and became more diverse during the Eocene. Plant-eating mammals included ancient hooved animals called condylarths, while meat-eaters included an extinct group of dog-like beasts called creodonts. Eight-foot-high carnivorous "terror birds" also reigned during the Eocene.


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