Ammonite

This sectioned ammonite shows that some of the chambers are calcite-filled, while others remained hollow. Sectioning specimens like this allows comparisons to be made between different types of ammonites, and also allows them to be compared to modern relatives like the pearly nautilus.

Find out more about ammonites on the molluscs pages.

Common name

Ammonite

Scientific name

Asteroceras

Type

Molluscs > Cephalopods


Strata

Black Ven Marls

Time period

Lower Jurassic

Age

190 million years

Where found

Black Ven, Lyme Regis

Found by

Unknown

Museum

Lyme Regis Museum

Accession number

L.1973.70