Mysterious 'Ghost Shark' Origins Revealed by a 280-Million-Year-Old Skull

The ancient cranium shows researchers how an elusive fish known as a chimaera is related to sharks.

January 5, 2017
12:30 PM EST
A 3D printout of the Dwykaselachus oosthuizeni brain case. Credit: Coates, et al. Nature (2017)
The rock nodule containing the fossil that amateur paleontologist and farmer Roy Oosthuizen found in the 1980s in South Africa. Credit: Rob Gess