A small bone found 30 years ago at Dinosaur Cove in southeastern Australia could turn what we know about the evolution of ...

A small bone found 30 years ago at Dinosaur Cove could revolutionize our understanding of echidnas and platypuses' evolution.

As the world's only surviving egg-laying mammals, Australasia's platypus and four echidna species are among the most ...

A controversial idea suggests the ancestors of echidnas were more like the platypus. For the first time, fossil evidence ...

Next up for the researchers is to further examine the microscopic anatomy – known as histology – of the Kryoryctes humerus using other methods. “We know that bone histology can say a lot ...

The humerus bone from Kryoryctes cadburyi challenges the theory that monotremes evolved from a land-dwelling ancestor.

Analysis of the fossil suggests that the only two egg-laying mammals, platypuses and land-based echidnas, both descended from ...