![Xystotrophia umbraculum](http://www.geoed.co.uk/cdn/shop/products/pictrilonew_625e4fb7-c91e-46f7-9cc6-894f7d5d59f0_{width}x.png?v=1583766734)
A well preserved large and complete specimen with both valves. It has a shallow uniplication with a concave ventral and convex dorsal valves. The long hinge-line, delthyrium and large interareas show well. The external ornament comprises of finely-tuberculate costae and growth-lines.
Size: 38 mm x 46 mm x 16 mm
Size: 38 mm x 46 mm x 16 mm