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physical phenomena > event > era > geological era > mesozoic era > jurassic period |
jurassic period comparison table |
Subject | is a kind of | has duration | has start time |
---|---|---|---|
mesozoic era | geological era | 167 million years | 230 million years ago |
jurassic period | mesozoic era | 181 million years | 46 million years ago |
Next mesozoic era: triassic period Up: mesozoic era Previous mesozoic era: cretacious period