Many animals can reshape and shed their teeth – and now scientists have traced this ability back 380 million years A new study of ancient, extinct fish known as placoderms provides another piece of the evolutionary puzzle about our deep time, aquatic ancestors.

Many animals can reshape and shed their teeth – and now scientists have traced this ability back 380 million years #Bullerichthys #GogoFormation #Devonian

theconversation.com/many-animals...