Bivalvia

Fossil
Calvert Cliffs Choptank Formation

 

A second page includes more clams.

   

Astarte obruta Conrad

Astarte obruta Conrad

Corbula idonea Conrad

Notice the line in the specimen in the lower left. This shell of this species often separates along this seam.

Corbula idonea Conrad

Corbula inaequalis Say

Glossus fraterna Say

Glossus fraterna Say


Anadara staminea Say

Anadara staminea Say

Anadara staminea Say
This specimen was collected on the beach. Anadara are one of the few species that withstand the action of the surf.

Marvacrassatella marylandica Conrad
This specimen was attached twice by snails, one a failure, one a success.

Marvacrassatella marylandica Conrad

Marvacrassatella marylandica Conrad

Lucinoma contracta Conrad

Lucinoma contracta Conrad

Stewartia anodonta Say

Panope whitfieldi Dall
Common but even large shells are difficult to collect.

Marvacrassatella turgidulus Conrad