Fossil shark teeth are abundant and can date the past in a unique way
The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ...
Forbes20d
How Shark Tooth Forensics Connects Classrooms To Ancient Oceans
Shark tooth fossils in sandstone matrix ... insights for identifying patterns in shark populations, such as which species coexisted, their feeding behaviors, and how these changed over time.
Incredible 23ft long 9-million-year-old ancestor of great white shark with huge flesh-tearing teeth discovered in Peru
AN INCREDIBLE nine million year old ancestor of the great white shark has been discovered in Peru. The 23ft long beast had ...
Great white shark's 9-million-year-old ancestor found in Peru
Paleontologists in Peru on Monday unveiled the 9-million-year-old fossil of a relative of the great white shark that once ...
Miami Herald19d
‘Serrated blade’ stuck in rock on UK beach is ancient sea creature tooth, experts say
“Colloquially known as the ‘crow shark,’ Squalicorax was a ... making it all the more miraculous the tooth survived intact. The species met its demise during the Cretaceous-Tertiary ...