Cross-cut Carpet Shell (Venerupis decussata)
|Bonnet Shell||Common Limpet|
|Black Footed Limpet||China Limpet|
|Slipper Limpet||Common Tusk Shell|
|Cowrie Shell||European Cowrie|
Also called the Grooved Carpet Shell. It's the largest of the British carpet shells, thick, with concentric ridges and fine radiating ribs. Yellowish or brownish. The inside is white and glossy, sometimes yellowish near the hinge. Up to 3 inches.
Found at Penally Beach, Pembrokeshire