Authentic Permian Age Fossil Leg Bone
Unidentified From The Time Of
Dimetrodon, Edaphosaurus, Eryops, Diadectes
Comes With Free 5.5 x 4.5 Riker Display Case
The Permian Period spans 47 million years from the end of the Carboniferous period 298.9 million years ago to the beginning of the Triassic period 251.902 million years ago. It is the last period of the Paleozoic Era.
The Permian ended with the most extensive extinction event recorded in paleontology: the Permian–Triassic extinction event. Ninety to 95% of marine species became extinct, as well as 70% of all land organisms. It is also the only known mass extinction of insects. Recovery from the Permian–Triassic extinction event was protracted; on land, ecosystems took 30 million years to recover. Trilobites, which had thrived since Cambrian times, finally became extinct before the end of the Permian. Nautiloids, a subclass of cephalopods, surprisingly survived this occurrence.
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