A recent article published in the Proceedings of the Royal Society B suggests that humans and sharks shared a common ancestor some 440 million years ago.
Study authors include professor Michael Coates, PhD (Chair, Committee on Evolutionary Biology and Professor, Organismal Biology and Anatomy); alumna Katharine Kriswell, PhD; and associate professor Patrick LaRiviere, PhD (Radiology).
The study has also been covered in the LiveScience blog.