These Oxytoma bivalves attached themselves to a Prodactylioceras ammonite, possibly while it was still alive. By attaching themselves to a swimming ammonite, the bivales avoided settling on the stagnant sea floor.
Bivalve shells and ammonite
Museum:
Dorset
Period:
Lower Jurassic
Strata:
Green Ammonite Beds
Fossil Type:
Molluscs >Bivalves
Common Name:
Bivalve shells and ammonite
Scientific Name:
Oxytoma
Age:
190 million years
Where it was Found:
Seatown
Found by:
Unknown
Accession Number:
DCM.G.01110-12
Images:
