Ancient Creatures Gave Live Birth | Science News

Scientists just rewrote the timeline for live birth, revealing that ancient cynodonts—236 million years ago—may have given live birth, way earlier than thought. Evidence? A fossil of Chiniquodon theotonicus shows a neonatal growth line and baby-to-adult size ratio eerily like modern mammals, not reptiles. This suggests live birth was already a thing in early mammal ancestors, possibly even common among them, flipping our understanding of mammalian evolution. Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/6a18776acc6b5038