Our study was one of the first to date Florida coastal deposits using fossil shark teeth and a technique that looks at variations in ocean strontium. Strontium is a chemical element that occurs ...

Little did they know they would discover a tooth belonging to a former apex predator. The fossil came from a shark about 60 to 65 feet long, Palmetto Fossil Excursions co-owner Skye Basak said.

“The crushing teeth together with the gigantic size make Ptychodus a very unique shark,” Amadori said. “(In the fossil record) some teeth are massive, polygonal and almost flat, while others ...

So there’s already a bias in this kind of fossil record.” To glean more about megalodon’s prey selection, McCormack and his coauthors looked at the giant shark’s fossilized teeth and ...

To do our study, we selected shark tooth specimens from two significant Neogene-period fossil sites in Florida. The Neogene, ...

(MENAFN- The Conversation) The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ancient times, according to our newly ...