"Scientists Uncover Oldest Fossilized Skin, Dating Back 300 Million Years"
Scientists have discovered the oldest fossilized skin, at least 286 million years old, in an ancient cave in Oklahoma, providing insight into early animal life and potential clues about the split between reptiles and mammals. The 3D skin cast, found at the Richards Spur site, could help unlock evolutionary mysteries and is a rare find from the Paleozoic era, shedding light on the appearance of some of the earliest animals transitioning to life on land.