Prehistoric Shark Species Found in Arizona

Prehistoric Shark Species Found in Arizona

The remains of several new toothy shark species, with at least three dating to 270 million years ago, are found in the desert state.

http://news.discovery.com/animals/20...tooth-zoom.jpg

This tooth belonged to a preshistoric shark species found in Arizona -- Kaibabvenator swiftae.

The remains of several new toothy shark species, with at least three dating to 270 million years ago, have been unearthed in Arizona, according to a new study.

The research, published in the latest issue of Historical Biology, suggests that Arizona was home to the most diverse collection of sharks in the world during the pre-dinosaur Middle Permian era. The researchers have discovered many other new shark species from the area, with papers in the works to document them.

Prehistoric Shark Species Found in Ariz. : Discovery News