PALEOZOIC

https://gcmd.earthdata.nasa.gov/kms/concept/0e098a6e-2123-4566-9069-6a3401775ca3

change note 2019-12-19 09:08:09.0 [tstevens]
insert Definition (id: null
text: The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one super-continent and the formation of another. Plants became widespread. And the first vertebrate animals colonized land.
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definition The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one super-continent and the formation of another. Plants became widespread. And the first vertebrate animals colonized land.
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reference
text International Commission on Stratigraphy (http://www.stratigraphy.org/)
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