Some ammonites had long, straight shells, while others had helix-shaped shells. Most species, however, had coiled shells lined with progressively larger chambers separated by thin walls called septa.

Scientists have found that prehistoric flying reptiles that lived 182 million years ago lived on a diet of small fish and ...

A squid-like creature, armed with 10 tentacles studded with hooks, swam up to a prehistoric fish. The predator wrapped its long arms around the fish's head and crushed its skull. The cephalopod ...

The fossil is an ammonite, a type of prehistoric cephalopod related to squid and octopuses ... such as bones, teeth or shells, or trace fossils, such as tracks and burrows. However, the drag mark has ...

Prehistoric flying reptiles lived on a diet of small fish and squid, the latest scientific research has shown. Researcher Dr Roy Smith said stomach contents discovered in fossils were the "smoking ...