Commonly Found Marine Mollusks of the Southeastern
United States
Bivalves
2
Channeled Duckclam
Atlantic Giant Cockle
(Raeta plicatella)
(Dinocardium robustum) 2 inches (5.1 cm)
5 inches (12.7 cm)
Angel Wing
(Cyrtopleura costata)
5 inches (12.7 cm)
False Angel Wing
(Petricola pholadiformis)
5 inches (12.7 cm)
Variable Coquina Incongruous Ark
(Donax variabilis) (Anadara brasiliana)
1/2 inch (1.3 cm)
2 inches (5.1 cm)
Elegant Dosinia
(Dosinia elegans)
3 inches (7.6 cm)
Atlantic Surfclam
(Spisula solidissima)
3 inches (7.6 cm)
Cross-hatched
Lucine
(Divaricella
quadrisulacata)
1 inch (2.5 cm)
Ribbed Mussel
(Geukensia demissa)
Atlantic Calico Scallop 4 inches (10.2 cm)
(Argopecten gibbus)
1 inch (2.5 cm)
Eastern Oyster (Crassostrea virginica)
8 inches (20.3 cm)
Stout Tagelus (Tagelus plebeius)
3 inches (7.6 cm)
Northern Quahog
(Mercenaria mercenaria)
4 inches (10.2 cm)
Atlantic Jackknife (Ensis directus)
6 inches (15.2 cm)
Common Jingle
(Anomia simplex)
1 inch (2.5 cm)
Stiff Penshell (Atrina rigida)
8 inches (20.3 cm)
Produced by Sara K. Saksewski, Project Oceanica, College of Charleston, 2002
Commonly Found Marine Mollusks of the Southeastern
United States
Univalves
Eastern Auger
(Terebra dislocata)
1 inch (2.5 cm)
Channeled Whelk
(Busycotypus canaliculatus)
8 inches (20.3 cm)
Knobbed Whelk
(Busycon carica)
8 inches (20.3 cm)
Lightning Whelk
(Busycon sinistrum)
8 inches (20.3 cm)
White Baby’s Ear
(Sinum perspectivum)
1 1/2 inches (3.8 cm)
Marsh Periwinkle
(Littorina irrorata)
1/2 inch (1.3 cm)
Whelk Eggcase
Eastern Mudsnail
(Ilyanassa obsoleta)
1/2 inch (1.3 cm)
Slippersnail
(Crepidula fornicata)
1 inch (2.5 cm)
True Tulip
(Fasciolaria tulipa)
8 inches (20.3 cm)
Atlantic Moonsnail
(Neverita duplicata)
4 inches (10.2 cm)
Atlantic Moonsnail Egg Collar
Banded Tulip
(Fasciolaria lilium
hunteria)
4 inches (10.2 cm)
Keyhole Limpet
(Diodora cayenensis)
1 inch (2.5 cm)
Thick-lipped Oyster Drill
(Eupleura caudata)
1 inch (2.5 cm)
Atlantic Oyster Drill
(Urosalpinx cinerea)
1 inch (2.5 cm)
Lettered Olive (Oliva sayana)
3 inches (7.6 cm)