Thick Trough Shell (Spisula solida)
|Bonnet Shell||Common Limpet|
|Black Footed Limpet||China Limpet|
|Slipper Limpet||Common Tusk Shell|
|Cowrie Shell||European Cowrie|
Very thick shell up to 2 inches long, not as easy to break as the similarly-shaped Rayed Trough shell. Trough shell species can often be distinguished by their length / width ratio - in this case approximately 1.2.
Found at Tenby South Beach, Pembrokeshire