The first detailed and comprehensive analysis on the ear bone of Triassic cynodonts has completed, and researchers have found some noticeable variations in the morphology of this bone -- even among ...

Scientists have unearthed a fossil of a mammal the size of a chipmunk that skittered around with the dinosaurs, with a key feature in the evolution of mammals — the middle ear bones — fabulously ...

One of the most important steps in the evolution of modern mammals was the development of highly sensitive hearing. The middle ear of mammals, with an eardrum and several small bones, allows us to ...

As Stephen Jay Gould once put it, we have an earful of jaw. The small, sound-conducting bones of our inner ears – the incus, malleus, and stapes – got their start as jaw bones in our distant ancestors ...

You are looking at one of the most important sensory shifts in mammal history: the rise of sensitive hearing. Modern mammals rely on a middle ear with an eardrum and tiny bones that detect faint ...

Mammals first appeared 215 million years ago during the Triassic period, according to a new study in the journal Nature. Wait, no, they first showed up 175 million years ago during the Jurassic period ...

It has long been believed that the hearing bone called stapes, one of the smallest bones in ancestor of mammals, shows no differences between species. Now, Dr Leandro Gaetano and Professor Fernando ...