Seashells - Bivalves

Complete European Oyster, Ostrea edulis, top and bottom valves still together. 4 cm long. Photograph...

Exterior, top valve of a Pearl Oyster, Pinctada margaritifera, quite surprising to see on Kythera. F...

Interior of a Pearl Oyster, Pinctada margaritifera, showing the brilliant mother-of-pearl lining. 4...

Crassostrea angulata, the Portuguese Oyster. The exterior is gray and white with just a touch of pin...

The smooth white interior of a Thorny Oyster, Spondylus gaederopus, showing the strong, brown hinge-...

Exterior of a Thorny Oyster shell, Spondylus gaederopus, thick and tough and funky, and encrusted wi...

A gorgeous little Thorny Oyster, Spondylus gaederopus, delicately ribbed and showing several sharp,...

Both valves of a little white scallop, Peplum clavatum. Each valve, 2.3 cm long. Photograph ©James P...

Two small, unmatched valves of a scallop, perhaps Flexopecten flexuosus. 1.3 and 1.5 cm long. Photog...

A finely ribbed and brittle scallop shell of the species Manupecten pesfelis. 2.3 cm long. Photograp...

A small collection of colorful scallop shells of the species Chlamys multistriata. 1 – 2 cm long. Ph...

Top valve of a St James Shell, Pecten Jacobus, white with a deep pink blush beneath its wings. 4 cm...

The colorful, bottom valve of a Pecten Jacobus, or St James Shell. Quite common around Kythera. 5.5...

The pure white interior of the top valve of a St James Shell, Pecten Jacobus. Also called the Fan Sh...

Two perfect Variegated Scallops, Chlamys varia, showing the ribs and scales of the external valve. 4...

The rich, purple interior of a Variegated Scallop, Chlamys varia. 4 cm long. Photograph ©James Prine...