Ammonite

Jet-propelled creatures

Ammonites are one of the most commonly-found fossils. They are extinct marine creatures – predators that moved through the water by jet-propulsion. We know this because the nautilus, the closest living relative to the ammonite, still survives today in the Pacific and Indian Oceans.

 

Find out more about ammonites on the molluscs pages.

Common name

Ammonite

Scientific name

Aspidoceraslongispinum

Type

Molluscs > Cephalopods


Strata

Kimmeridge Clay Formation

Time period

Upper Jurassic

Age

152 million years

Where found

Osmington

Found by

Unknown

Museum

Dorset County Museum, Dorchester

Accession number

DCM.G.05229