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Dinosaur Era Timeline
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Cretaceous Period
Major Events: Flowering plants appeared; mass extinction at the end of the period. Dinosaurs: Tyrannosaurus rex, Triceratops, Velociraptor.
Permian Period
Major Events: Ends with the largest mass extinction in Earth's history. Dinosaurs: None, dinosaurs emerged after this period.
Ordovician Period
Major Events: Marine life flourished, second major mass extinction event. Dinosaurs: None, occurred before the age of dinosaurs.
Jurassic Period
Major Events: Rise of large dinosaurs and first birds. Dinosaurs: Stegosaurus, Brachiosaurus, Allosaurus.
Devonian Period
Major Events: Age of Fishes, first trees and insects. Dinosaurs: None, the era of dinosaurs had not yet begun.
Triassic Period
Major Events: Beginnings of dinosaurs, first mammals, and the supercontinent Pangea existed. Dinosaurs: Coelophysis, Eoraptor, Herrerasaurus.
Mississippian Period
Major Events: Part of the Carboniferous, development of extensive swamp forests. Dinosaurs: None, too early for dinosaurs.
Silurian Period
Major Events: First land plants and jawed fishes. Dinosaurs: None, as it was before their time.
Carboniferous Period
Major Events: Large coal-forming forests, abundant amphibians and insects. Dinosaurs: None, predates dinosaurs.
Cambrian Period
Major Events: Diversification of early multicellular life. Dinosaurs: None, as it predates their appearance.
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