Fossilized Evidence of a Tumor in a 255-Million-Year-Old Mammal Forerunner
Thursday, December 8, 2016 - 13:31
in Paleontology & Archaeology
Paleontologists at the University of Washington report that an extinct mammal relative harbored a benign tumor made up of miniature, tooth-like structures. The tumor, a compound odontoma, is common to mammals today. But this animal lived 255 million years ago, before mammals even existed.