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 ...
Houston Chronicle12d
Fossil shark teeth are abundant and can date the past in a unique way
Our study shows that fossil shark teeth are more resistant to these types ... are not found at the Montbrook site (5.85 million years old) but are found at the Palmetto Fauna Bone Valley site ...