Ammonite facts, pictures and information.
Ammonites are prehistoric marine mollusks with distinctive curled shells. Once abundant in Earth’s oceans, ammonites – along with the dinosaurs and many other species – became extinct during the Cretaceous-Paleogene Extinction Event that occurred around 66 million years ago.
Ammonites were cephalopods, and are related to living cephalopods such as octopuses and nautiluses.
Read on to find out more about these once-abundant prehistoric animals…
