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physical phenomena > event > era > geological era > mesozoic era |
mesozoic era comparison table |
Subject | has duration | has start time |
---|---|---|
cretacious period | 72 million years | 135 million years ago |
jurassic period | 181 million years | 46 million years ago |
triassic period | 49 million years | 230 million years ago |
Next geological era: paleozoic era Up: geological era Previous geological era: cenozoic era