A sea turtle’s shell is living bone fused directly to its spine and ribs. It is not a detachable shield or an external case, ...
Scientists have discovered the fossilised remains of an ancient turtle without a shell, that lived 228 million years ago. Researchers from China’s Institute of Vertebrate Palaeontology and ...
Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think. When you purchase through links on our site, we may earn an affiliate ...