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Period: 150 BCE to 120 BCE
Late Jurassic Period
Started 150 million years ago -
125 BCE
Barilium
Existed from Berriasian Age to 125.45 million years ago -
120 BCE
The Jurassic Period ends
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120 BCE
The Cretaceous Period starts
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113 BCE
Baryonyx
Existed from Berriasian Age to 113 million years ago. -
100 BCE
Valdosaurus
Existed from Kimmeridgian Age to 100.5 million years ago -
70 BCE
Maiasaura
Existed from Santonian Age to 70.6 million years ago -
66 BCE
Panoplosaurus
Existed from Campanian Age to 66 million years ago -
65 BCE
Dinosaurs go extinct
About 65 million years ago, it is thought that a meteor crashed into the Earth and as a result, the dinosaurs died as well as many invertebrate reptiles, marine reptiles, and all flying reptiles -
61 BCE
Mosasaurus
Existed from Upper Cretaceous Epoch to 61.7 million years ago