Myophorella clavellata is an extinct genus of bivalve which belonged to the trigonia family, a family of bivalves well known for their shells which appear to have raised bumps on the surface in a series of lines. These particular fossils specimens also show this feature which is easily visible. They are of Jurassic age, found in the Oxfordian - Corallian beds in Weymouth, Dorset, UK. The specimens are approximately 6 cm in size and although have been prepped andcleaned, matrix is still present, but minimal. They will come supplied in a packet with an information label.