The discovery of new cynodont fossils from southern Brazil by a team of palaeontologists has led to a significant breakthrough in understanding the evolution of mammals.
The eardrum then starts vibrating and these vibrations are passed to three small ear bones – called the hammer, anvil and stirrup. Many animals have ears that are able to detect ultrasound.
Brazilian cynodont fossils have shed light on early mammalian evolution, revealing earlier and independent development of key features like the jaw and middle ear. The discovery of new cynodont ...