Ammonite

This small specimen of Promicroceras had several serpulid worm tubes growing on its shell. It is thought that the worms were simply ‘hitching a lift’ on the ammonite, which allowed them to feed efficiently.

Find out more about ammonites on the molluscs pages.

Common name

Ammonite

Scientific name

Promicroceras

Type

Molluscs > Cephalopods


Strata

Black Ven Marls

Time period

Lower Jurassic

Age

190 million years

Where found

Charmouth

Found by

Paddy Howe

Museum

Lyme Regis Museum

Accession number

L.2010.55