Ammonite shells are used today as index fossils, meaning they can help date other fossils that are found in the same layer of marine rock. These cephalopods make for ideal index fossils because ...

Ammonite fossils, an example is shown here, are sea creatures that became extinct about 65 million years ago. Fossil remains have been found in rocks of all ages. Fossils of the simplest organisms ...

The company spotted the fossils of a mosasaur—a prehistoric ... "The guys were just digging this winter and looking for ...

I was looking for ammonite fossils. And then I just happened to pick this rock up, and I was like, Oh, what’s this? And then ...

A professor and a student from RSU unearthed a rare exceptionally preserved fossil gemstone. Professor Dr. Chris Shelton and ...

Much of the Mesozoic aged rock in Europe has been sectioned into 'ammonite zones', where rocks in different areas can be associated with each other based on the ammonite fossils found in them. Zoë ...

Some ammonite species were tiny, others as big as a person. Ammonites lived in the sea. If you find an ammonite fossil in a rock, you know that millions of years ago the spot where you’re standing ...

Ammonite fossils, an example is shown here, are sea creatures that became extinct about 65 million years ago. Fossil remains have been found in rocks of all ages. Fossils of the simplest organisms ...