Atlantic Giant Cockle
NameAtlantic Giant Cockle
Scientific NameDinocardium robustum
Common NameAtlantic Giant Cockle
FamilyCardiidae
GenusDinocardium
SpeciesDinocardium robustum
Geographic DistributionWestern Atlantic Ocean, from Virginia south to Florida and throughout the Gulf of Mexico.
Habitatsubtidal
Average Size (mm)100
Identifying FeaturesIts large size, very inflated shell, and numerous (typically 32-36) prominent, rounded radial ribs are key identifying features. The overall heart-shaped profile is also distinctive.
Dietfilter-feeder
Raritycommon
Author Citation(Lightfoot, 1786)
Description
A large, robust bivalve shell characterized by its inflated, somewhat heart-shaped form and numerous prominent radial ribs. The exterior often exhibits a reddish-brown to pinkish coloration.
