https://gcmd.earthdata.nasa.gov/kms/concept/a0bd8bda-adb6-4ea2-ae02-5caef1557ad6
broader |
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change note |
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definition | The Mesozoic Era is divided into three time periods: the Triassic (251-199.6 million years ago), the Jurassic (199.6-145.5 million years ago), and the Cretaceous (145.5-65.5 million years ago). | ||||||||||||||||
narrower |
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reference |
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type |
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in scheme | chronounits original |