Chionopsis amathusia
NameChionopsis amathusia
Scientific NameChionopsis amathusia
Common NameAmathusia Venus Clam
FamilyVeneridae
GenusChionopsis
Speciesamathusia
Geographic DistributionWestern Atlantic Ocean, including the Caribbean Sea, Gulf of Mexico, and parts of the southeastern United States coast.
Average Size (mm)30-50
Identifying FeaturesThe shell is equivalve, with a sub-circular to ovate outline. It is characterized by approximately 25-30 strong, rounded radial ribs, which are often nodulose or scaly, especially towards the ventral margin. Concentric growth lines are also prominent, creating a cancellate sculpture where they cross the radial ribs. The lunule is cordate and deeply impressed, and the escutcheon is narrow and lanceolate. The interior margin is crenulated.
Dietfilter-feeder
Raritycommon
Author Citation(Philippi, 1844)
Description
A robust bivalve seashell, typically sub-circular to ovate in shape, characterized by its strong sculpture. The shell surface displays numerous prominent radial ribs that are intersected by concentric growth lines, creating a distinctive cancellate pattern. The ribs often bear nodular or scaly projections, particularly towards the shell's margins. Coloration is generally light brown to cream.
