Ammonite

This is part of the lower jaw of an ammonite. Different ammonites and nautili had unique jaw shapes. Their jaws evolved over time, so some forms only occur in rocks of certain ages. Shells and jaws are rarely found together.

Find out more about ammonites on the molluscs pages.

Common name

Ammonite

Scientific name

Aptychi

Type

Molluscs > Cephalopods


Strata

Kimmeridge Clay Formation

Time period

Upper Jurassic

Age

152 million years

Where found

East side of Ringstead Bay

Found by

Found by Paul Ensom in 1982

Museum

Dorset County Museum, Dorchester

Accession number

DCM.G.05159+60