Various kinds of shark teeth can be found in these places, including those from megalodons, mackerel sharks (including great whites and large mackerel), ground sharks (including sand tigers ...

The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ...

The fossilized remains belong to Cosmopolitodus hastalis – an extinct mackerel shark closely related to the modern great ...

Researchers must interpret ecosystems based on fossilized remains and the sedimentary layers in which they are found. Shark teeth are especially valuable for this purpose. Their abundance and ...