Large bivalve fossil. Original specimen came with note: 'Park Wood Quarry plus name and date of donor'Possibly a prehistoric Oyster.
Bivalves have two shells or valves which are connected by a ridge. The valves can be opened and closed by strong muscles and ligaments. The valves protect the soft body of the mollusc inside. Bivalves started to appear aound 550 million years ago.
Bivalves have two shells or valves which are connected by a ridge. The valves can be opened and closed by strong muscles and ligaments. The valves protect the soft body of the mollusc inside. Bivalves started to appear aound 550 million years ago.