Ammonites are primarily found in marine sedimentary deposits, where they were once abundant during the Late Cretaceous period. This was the time of T-Rex when massive dinosaurs roamed the land.

A new study in Nature describing a fossil of a nearly complete and intact bird skull from Antarctica is shedding light on the ...

These animals are known from the Jurassic Period, from about 200 million years ago. Most ammonites died out at the same time as the non-avian dinosaurs, at the end of the Cretaceous Period, 66 million ...

Most ammonites died out 66 million years ago, at the same time as dinosaurs. Fossilised ammonite shells can be found all around the world, including on parts of Britain's coastline. But if you can't ...

A giant fossil ammonite has been recovered from a fallen ... Once it has been fully cleaned up it ill be donated to the Dinosaur Isle Museum in Sandown. Wight Coast Fossils The giant mollusc ...

Much of this rich life—including all dinosaurs, pterosaurs, pliosaurs, and ammonites—perished in the extinction event at the end of the period 65 million years ago. In fact, the land ...

Dinosaur fossils dating back 66 million years ... including ostracod and ammonite fossils from the early Jurassic and Devonian periods (about 190 million to 400 million years ago).