Ammonite

This is a good sized specimen. Most Asteroceras are around 6-7cm in diameter, but this one is 17cm across. It shows well-defined suture lines (the wavy lines in the lighter area). The darker section is the darker body chamber.

Find out more about ammonites on the molluscs pages.

Common name

Ammonite

Scientific name

Asteroceras obtusum

Type

Molluscs > Cephalopods


Strata

Black Ven Marls

Time period

Lower Jurassic

Age

195 million years

Where found

Charmouth

Found by

Jack Haggard

Museum

Lyme Regis Museum

Accession number

L.1987.336.1