Pacific Littleneck Clam
NamePacific Littleneck Clam
Scientific NameProtothaca staminea
Common NamePacific Littleneck Clam
FamilyVeneridae
GenusProtothaca
Speciesstaminea
Geographic DistributionPacific coast of North America, ranging from Alaska south to Baja California, Mexico.
Habitatintertidal
Average Size (mm)40
Identifying FeaturesStrong, raised concentric growth ridges (lamellae) are a key feature. Fine radial ribs are also present, especially towards the margin, creating a distinctive cancellate pattern. The pallial sinus is moderately deep and U-shaped.
Dietfilter-feeder
Raritycommon
Author Citation(Conrad, 1837)
Description
A medium-sized bivalve mollusk shell, typically ovate to subtrigonal in shape, characterized by prominent concentric growth lines (lamellae) and often fine radial ribs, which can create a cancellate texture. The shell is moderately inflated and commonly found burrowed in sandy or muddy substrates.
