Scientists studying the ‘living fossil’ Sphenodon — or tuatara — have identified a new way to measure the evolutionary rate of these enigmatic creatures, giving credence to Darwin’s theory of ‘living fossils.’
Scientists studying the ‘living fossil’ Sphenodon — or tuatara — have identified a new way to measure the evolutionary rate of these enigmatic creatures, giving credence to Darwin’s theory of ‘living fossils.’