Tag Archives: petal

Permian Period Shark

Paleontologists have uncovered seven well-preserved teeth from the extinct shark genus Petalodus in Shanxi province, China. Life restoration of Petalodus sharks. Image credit: Dinghua Yang. Petalodus is a small genus of Petalodontiformes, a intriguing group of extinct marine cartilaginous fish that flourished from the Carboniferous to the Permian period. First …

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