All Sea Shells

Atlantic Deep Sea Scallop / St. James Shell (Bivalve (two-shelled), whole shell, fan-shaped)

Sunray Venus Clam (Bivalve, single valve, ovate-elliptical shape)

Atlantic Oyster (also known as Eastern Oyster or American Oyster) (Bivalve (two-shelled mollusk), whole shell, irregular...

Ocean Quahog (also known as Mahogany Clam, Black Clam, or Iceland Quahog) (Bivalve (two-shelled clam), whole shell valve...

Pacific Littleneck Clam (also known as native littleneck, rock clam, or steamer) (Bivalve (two-shelled clam), whole sing...

Cross-barred Venus Clam (Bivalve, whole shell, fan-shaped to roughly triangular)

Smooth Duck Clam or Lateral Duck Clam (Bivalve (clam/two-shelled), whole shell, ovate to triangular fan shape)

Keyhole Limpet (also known as Shield Limpet or Owl Limpet depending on exact species) (Gastropod (univalve), whole shell...

Keyhole Limpet (Gastropod, whole shell, oval cone shape with an apical perforation)

Common Cockle (also known as the Edible Cockle) (Bivalve (two-shelled), whole single valve shown, fan/heart-shaped profi...

Common Periwinkle (Littorina littorea) (Gastropod univalve with a spiral shape, whole shell)

Moon Snail (Shark Eye / Atlantic Moon Snail) (Gastropod (snail/univalve), whole shell, spiral shape)

Calico Clam (also known as the Calico Scallop or young Ark Shell depending on region, but features match a small subglob...

Keyhole Limpet or similar limpet species (Gastropod (univalve) with a conical, cap-shaped form)

Blue Mussel (also known as Common Mussel) (Bivalve (two-shelled), whole shell, wedge-shaped)

Jewel Box Shell (also known as Leafy Jewel Box or Atlantic Jewel Box) (Bivalve, whole asymmetrical cemented shells, irre...

Staghorn Coral or Bryozoan Colony Fragments (Often referred to informally as coral or calcareous marine debris) (Marine ...

Weathered Oyster Shell Fragments and Coral Rubble (Bivalve fragments and calcium carbonate substrate)

Brown Turban Snail or Checkered Turban (Alternate: Black Turban Snail) (Gastropod univalve, whole spiral shell)

Checkered Nerite or Common Nerite (Gastropod, whole shell, spiral shape)

Brown Garden Snail (Helix aspersa) (Gastropod land snail, whole spiral shell)

Common Periwinkle (Littorina littorea) (Gastropod (snail/univalve), whole shell, spiral shape)

Hairy Triton, or Hairy Drupe (Gastropod (univalve, spiral shape))

Chiton valves (specifically the intermediate or lateral plates from a chiton, commonly known as sea cradles) (Chiton (Po...

Fossilized Sand Tiger Shark Teeth (Note: This is not a shell, but fossilized teeth) (Fossil / Tooth (Not a mollusk shell...

Ram's Horn Squid Shell or Spirula (Also known as Posthorn Shell) (Cephalopod, internal shell, tightly coiled spiral shap...

Paper Bubble, or Olive Snail fragment/operculum (Likely Moon Snail operculum or similar small marine mollusk fragment) (...

Shark Eye Operculum or Moon Snail Operculum (Gastropod operculum, whole piece, bean-shaped or ear-shaped flat plate)

Calico Scallop (also known as the Atlantic Calico Scallop) (Bivalve (two-shelled). This specimen appears to be a worn in...

Yellow Clam or Subnoded Venus Clam (Bivalve (two-shelled), whole valve, rounded to triangular fan shape)

Atlantic Bay Scallop (fragment) (Bivalve (two-shelled), specifically a shell fragment with a fan/disc shape)

Atlantic Calico Scallop (also known simply as Calico Scallop) (Bivalve, whole shell, fan-shaped)

Shark Eye Moon Snail (also known as Atlantic Moon Snail or Shark's Eye) (Gastropod (snail/univalve), whole shell, globul...

Gastropod Operculum (Cat's Eye Operculum / Moon Snail Operculum) (Gastropod operculum (calcareous plate/trapdoor), flat ...

Common Mussel (Blue Mussel / Edible Mussel) (Bivalve (two-shelled), whole individual valve with an elongated, wedge-like...

Atlantic Blue Mussel (also known as the Edible Blue Mussel or Common Mussel) (Bivalve (two-shelled), specifically a frag...

Atlantic Winged Oyster (or Atlantic Pearl Oyster) (Bivalve (two-shelled mollusk), partial shell fragment showing the mai...

Pismo Clam (Alternate name: Thin Pismo Clam) (Bivalve (two-shelled clam), whole shell fragment showing distinctive wedge...

Crown Conch (also known as the Florida Crown Conch) (Gastropod univalve, whole shell, spiral shape)

Crown Conch (also known as Melongena) (Gastropod (univalve snail), whole shell, spiral shape)

General Cone, General Conche, General Conus (Gastropod, whole shell, cone shape)

Alphabet Cone (also known as Alphabet Letter Cone) (Gastropod (univalve snail), whole shell, cone-shaped)