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 ...

Palaeontologists have uncovered the world’s oldest known cerapodan dinosaur at a fossil site in Morocco, identified by a ...

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 ...

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 ...

Scientists uncovered a 149-million-year-old bird fossil in southeastern China with ... that birds lived alongside dinosaurs during the Jurassic Period. The finding helps scientists answer ...