150-Million-Year-Old Pliosaur Had Arthritis
A 150-million-year-old pliosaur jaw has been found to have signs of arthritis. This is the first time a degenerative disease like arthritis has been found in Jurassic reptiles. Pliosaurs were a type of sea reptile living during the Jurassic period, 150 million years ago. Around 8 meters long, with 2-meter jaws, they looked somewhat […]
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