| permian | 1. <geology> Belonging or relating to the period, and also to the formation, next following the Carboniferous, and regarded as closing the Carboniferous age and Paleozoic era. 2. <ethnology> A tribe belonging to the Finnic race, and inhabiting a portion of Russia. Origin: From the ancient kingdom of Permia, where the Permian formation exists. Source: Websters Dictionary (01 Mar 1998) |
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| permian | from 230 million to 280 million years ago |
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| permian | from 230 million to 280 million years ago |
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