Fossilised ammonite shells can be found all around the world, including on parts of Britain's coastline. But if you can't get to a beach to find some, why not start your own collection from home?

Nine-year-old Eli spotted a 200-million-year-old fossil in a rocky cliff face A nine-year-old fossil hunter had the find of his life when he stumbled on a 200-million-year-old ammonite. Eli was ...

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 ...

A giant fossil ammonite has been recovered from a fallen boulder on a beach. The edge of the creature's shell was spotted in the block by fossil collector Jack Wonfor on the Isle of Wight's ...

Opalized ammonite fossils are formed through a unique geological process involving the replacement of organic material with silica, which is the primary component of opal. This process can occur ...

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 ...

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 ...