Venus casina, 39.1mm. F++
Linnaeus, 1758.
Veneridae
Uncommon deep water formation.
Cornwall, England Oct/2016.
Trawled off Penzance at 80 to 100 meters deep.
Deep water shell more thick and heavy than usual, good size, concentric ornaments still in good conditions and the escutcheon (ligament) still intact.