Professor Loren E. Babcock examines the key processes of fossilization in paleontology, highlighting the critical role of ...
A body fossil of a thorny-headed worm (Acanthocephala) has been dated to the Jurassic period, about 165 million years ago. It has characteristics of both Acanthocephala and tiny animals called ...
Long before modern great whites prowled the seas, a colossal shark cruised the warm shallows off northern Australia. Its story begins on a rocky shoreline near Darwin, where a few heavy disks of ...