Polish paleontologists discover the oldest mammaliaform fossil
Polish researchers has discovered and described the remains of the world’s oldest mammaliaform from Greenland. During an expedition, organized by Dr. Tomasz Sulej from the PAS Institute of Paleobiology, a fragment of the lower jaw with two double-rooted teeth was found in rocks dating from 215 million years ago. This groundbreaking discovery, which sheds new light on the origin of the mammals, has been published in the latest issue of PNAS journal.