Trachycardium isocardia (Linnaeus, 1758) Even Pricklycockle

Trachycardium isocardia (Linnaeus, 1758) Even Pricklycockle

Trachycardium isocardia (Linnaeus, 1758) Even Pricklycockle

SCUBA at a depth of 128 feet, 45 mi. E. Mayport, Duval Co., Florida (69 mm.)

Trachycardium isocardia (Linnaeus, 1758) Even Pricklycockle

Juvenile specimen - Grassy Key, Florida Keys, Monroe Co., Florida (13 mm.)