Atlantic Dove Shell (or similar small bivalve/scallop shell)
Phylum: Mollusca, Class: Bivalvia, Order: Pectinida, Family: Pectinidae, Genus: Argopecten, Species: irradians (or similar small scallop) · Pectinidae (Scallop family) · Bivalve (two-shelled), whole small shell, fan shape

Species
Unidentified small juvenile bivalve (Confidence level: Moderate due to small image resolution)
Shell Type
Bivalve (two-shelled), whole small shell, fan shape
Family
Pectinidae (Scallop family)
Size
Approximately 0.25 to 0.5 inches, which is typical for a juvenile or miniature species. Full-grown larger counterparts typically range 1-3 inches.
Color & Pattern
Solid chalky white, likely sun-bleached from wave action and exposure. Original patterns and colors have faded entirely.
Rarity
Very Common, frequently found as small drifted shells during beachcombing.
Habitat
Shallow marine waters, typically found in sandy bottoms, seagrass beds, or attached to hard surfaces in the intertidal to shallow subtidal zones.
Geographic Range
Commonly found along temperate to tropical coastlines globally, depending on the exact micro-species.
Description
A diminutive, fan-shaped bivalve featuring distinct radial ribs radiating from the umbo to the ventral margin. The texture is chalky and smooth yet distinctly ribbed, showcasing classic symmetrical scallop morphology.
Key Features
Distinct radial ribs, fan-shaped symmetry, small overall scale, prominent umbo at the hinge.
Collector Value
Minimal commercial value; typically gathered by casual beachcombers rather than specialized conchological collectors.
Condition Notes
Worn and sun-bleached with complete loss of original pigmentation. Collectibility grade is Fair due to size and weathering.
Interesting Facts
Many small bivalves and juvenile scallops are capable of swimming short distances by rapidly clapping their valves together to expel water.
Ecological Role
Serves as a vital food source for bottom-feeding fish, crabs, and shorebirds in the nearshore marine food web.
Similar Species
Various small juvenile scallops and wedge shells (Donax species) which share similar fan or wedge-like profiles and radial ribbing.
Beach Finding Tips
Look in the high-tide line where tiny shell drift accumulates, especially among fine sand and shell gravel.