Remarkably, fossil shark teeth are also incredibly abundant ... The Florida Museum of Natural History has a collection of ...

Shark teeth are especially valuable for this purpose ... a comprehensive lesson pack divided into a standardized data collection protocol and optional activities tailored to diverse learning ...

When you think about sharks, the first thing that might come to mind are huge jaws filled with rows of deadly-looking teeth. But shark teeth come in many shapes and sizes. They can tell us how these ...

A megalodon tooth fossil in the National Museum of Natural History's collection was found in Beaufort ... tongue stones were in fact prehistoric shark teeth that belonged to something much bigger.

Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living ...

using the lower teeth like a blade to tear off circular chunks of flesh. Smaller prey is eaten whole. This mysterious shark is not often seen by cameras: The first photograph of a live Greenland ...