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.

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 ...

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 ...

Ammonites are a group of extinct shelled cephalopods related to today's squids and octopuses. Most ammonites died out 66 million years ago, at the same time as dinosaurs. Fossilised ammonite shells ...

A 19-centimeter ammonite, or shelled cephalopod ... In November, reports of two Hong Kong tourists finding dinosaur egg fossils in Heyuan, a Guangdong city renowned for its abundance of such ...

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 ...

Beyond just dinosaurs, he envisions that all the prehistoric creatures in Hong Kong, from osteoglossoid fish to ammonites, can serve as focal points for promotion and outreach in the future.

This is an ammonite. Ammonites were once sea creatures with squid-like tentacles and a curly shell like a snail. They lived at the same time as dinosaurs. When an ammonite died, its shell would ...

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).

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 ...