The Dino Directory
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Dino Timeline
The first dinosaurs appeared around 225 million years ago (mya) in a time known as the Mesozoic Era. Scientists divide this era into 3 periods: the Triassic, Jurassic and Cretaceous.
Select a section of the timeline below to see dinosaurs that lived then.
26 Mid Jurassic dinosaurs
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Amygdalodon
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Bellusaurus
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Brachytrachelo-pan
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Cetiosauriscus
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Cetiosaurus
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Datousaurus
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Emausaurus
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Eustrepto-spondylus
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Gasosaurus
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Huayangosaurus
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Lapparento-saurus
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Megalosaurus
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Monolopho-saurus
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Nqwebasaurus
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Omeisaurus
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Patagosaurus
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Podokesaurus
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Poekilopleuron
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Proceratosaurus
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Rhoetosaurus
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Segisaurus
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Shunosaurus
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Sinraptor
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Yandusaurus
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Yinlong
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Yuanmousaurus