Typically spherical, they contain black-coloured ammonite fossils from the Jurassic and Cretaceous periods. In Chinese folklore, ammonites were called Jiaoshih or horn stones, as they resemble coiled ...

Fossils of them are found all around the world ... with larger sizes more common from the Late Jurassic onwards. The largest known species of ammonite is Parapuzosia seppenradensis from the Late ...

William Whiskerson: Cheese Phone, reveal my location ... That's an ammonite. William Whiskerson: An ammonite? Kadisha: Yes. William Whiskerson: What's an ammonite? Cameron: A type of fossil.

Opalized ammonite fossils are some of the most unique and spectacular paleontological specimens. They were formed through a geological process known as opalization, wherein organic material from ...

Palaeontologists have now retrieved the fossil and had a chance to study it. Getting the fossil out of the rocks and into the lab was a big challenge. Its cliff face location was thought to be too ...