- Origin: Madagascar
- Size: H40cm W34cm D18cm
- Description: From the Jurassic (201-145 million years ago) the meticulously preserved Kranaosphinctes rabei with most of shell still intact.
- Additional information:
- Ammonites were shelled cephalopods that died out about 66 million years ago. Fossils of them are found all around the world. Ammonites are extinct shelled cephalopods. All of them had a chambered shell that they used for buoyancy.
- Their geometry and beauty have captured the human imagination since at least Mesolithic (Middle Stone Age) times and have given rise to many origin myths and beliefs about their magical and medicinal properties.