Recent research on fossil shark teeth has discovered an innovative method for dating ancient sediments.

Shark tooth fossils in sandstone matrix, Lamna obliqua, Eocene Epoch (56 to 34 million years ago), ... [+] Morocco, (Specimen courtesy of Ron Stebler, Scottsdale, Arizona, USA), (Photo by Wild ...

Almost all fossil remains of megalodon are teeth. Sharks continually produce teeth throughout their entire lives. Depending on what they eat, sharks lose a set of teeth every one to two weeks, getting ...

Our first prehistoric hunt in a creek loaded with history! Fossils and shark teeth in every shovel full! Crazy fun hunt! Tons of great finds all older that megalodon! Alabama fossils and shark teeth!

A “serrated blade” found sticking from a rock on Isle of Wight in the UK has been identified as a shark tooth that could be 100 million years old, experts say. Wight Coast Fossils photo A ...

That's tens of millions of years older than the better known—and monstrously large—megalodon shark. Fossil hunters discovered the tooth "eroding" from a block of sandstone on the fossil-rich ...

Researchers in Canada have raised doubts about the authenticity of the fossil used ... partly based their identification of the new mosasaur species on four sharp teeth found on an incomplete ...