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360 mya to 300 mya Ancestors of birds, reptiles and mammals. Carboniferous . 300 mya to 250 mya Largest mass extinction Pangaea forms. Permian . 250 mya to 210 mya Conifer trees Mosses Early dinosaurs. Triassic . 210 mya to 145 mya Plant eating dinosaurs
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360 mya to 300 mya Ancestors of birds, reptiles and mammals Carboniferous
300 mya to 250 mya Largest mass extinction Pangaea forms Permian
250 mya to 210 mya Conifer trees Mosses Early dinosaurs Triassic
210 mya to 145 mya Plant eating dinosaurs Small carnivorous dinosaurs Birds Jurassic
145 mya to 65 mya Flowering plants Dinosaurs go extinct Cretaceous
65 mya to 1.8 mya Grass, flowers, insects, fish, birds, mammals Tertiary
1.8 mya to present Mammoths, saber tooth tigers Last ice age Humans appear Quaternary