Based on the fossil record, ammonites came in a wide range of sizes and shapes, from smaller than an inch to as large as nine feet wide. Some ammonites had long, straight shells, while others had ...

Opalized ammonite fossils are some of the most unique and spectacular paleontological specimens. They were formed through a ...

Ammonites were shelled cephalopods that died out about 66 million years ago. Fossils of them are found all around the world, sometimes in very large concentrations. The often tightly wound shells of ...

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.

The animal only lived in one of these chambers and used the other spaces to help it float. Some ammonite species were tiny, others as big as a person. Ammonites lived in the sea. If you find an ...

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 ...

ammonites, sea urchins, bivalve shells and a sea turtle were discovered there. Ammonites were similar in form to squid and ...