permian ( synonym found)
Definition of permian:

°Of a geologic period within the Paleozoic era; comprises the Cisuralian, Guadalupian and Lopingian epochs from about 280 to 248 million years ago.
°The Permian period.
Definition of permian:

°Of a geologic period within the Paleozoic era; comprises the Cisuralian, Guadalupian and Lopingian epochs from about 280 to 248 million years ago.
°The Permian period.
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