Details of an ancient cousin of modern-day mammals are being revealed for the first time. Hi-tech scanning of an ancient fossil, which was captured in sandstone around 252–254 million years ago, is giving experts valuable insight into the animal’s anatomy and evolution. Details of an ancient cousin of modern-day mammals are being revealed for the first time. Hi-tech scanning of an ancient fossil, which was captured in sandstone around 252–254 million years ago, is giving experts valuable insight into the animal’s anatomy and evolution. Biotechnology Paleontology & Fossils Phys.org – latest science and technology news stories