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, ...

Discover what’s inside a turtle shell, living bone fused to spine and ribs, packed with organs, muscles, and nerves that ...

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 ...