Permian Period, Life comes to the Land, Dimetrodon grandis
The Permian is a geologic period and system which extends from ± to ± million years ago. The Permian witnessed the diversification of the early amniotes into the ancestral groups of the mammals, turtles, lepidosaurs and archosaurs. The world at the time was dominated by a single supercontinent known as Pangaea.
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Photo credit: © Phil Degginger/Carnegie Museum / Alamy / Afripics
License: Licensed
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Keywords: ancestral, archosaurs, basin, carboniferous, dimetrodon, diversification, era, event, extinction, fossils, gas, geologic, grandis, groups, land, lepidosaurs, life, mammals, oil, paleogeography, paleozoic, pangaea, panthalassa, period, permian, permian-triassic, stratigraphy, turtles
