The Tiny Razor Toothed Rodent From 220 Million Years Ago
A tiny sharp-toothed rodent that roamed the earth 220 million years ago has emerged as a missing ancestor of today's mammals. The rat-like creature - called a cynodont after its…
A tiny sharp-toothed rodent that roamed the earth 220 million years ago has emerged as a missing ancestor of today's mammals. The rat-like creature - called a cynodont after its…