A small specimen of the zonal ammonite Leioceras opalinum. It gives its name to the Opalinum Zone, the first zone of the Middle Jurassic.
Ammonite
Museum:
Lyme Regis
Period:
Lower Jurassic
Strata:
Bridport Sands|Upper Lias
Fossil Type:
Molluscs >Cephalopods
Common Name:
Ammonite
Scientific Name:
Leioceras opalinum
Age:
170 million years
Where it was Found:
Dorset coast
Found by:
Chris Moore
Accession Number:
L.1999.2
Images:
