A team of scientists have discovered an ancient arthropod that may show the origins of branched limbs and the first gill-like breathing structures in the clade. Clare Watson is an Australian freelance ...

"We are now sure she was a primitive marine arthropod, but her precise evolutionary relationships remain frustratingly elusive." Sarah Gabbott, the study's lead author and a professor in the School of ...

For over a century, scientists have been puzzled by a mysterious fossil called Helmetia expansa, an ancient arthropod from ...