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first dinosaurs; rise of mammal-like reptiles
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giant dinosaurs; early birds;first mammals
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mass extinctions(including dinosaurs); flowering plants appear
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amphibians spread;sharks and bony fish;winged insects
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giant insects;first reptiles
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moder insects;reptiles spread;evergreens;extinction of trilobites
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end of last Ice Age, rise of human civilization
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Pliocene, peak of mammals; modern invertebrates, rize of grazing mammals,primitive apes;whales;first modern mammals
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