Atrina rigida (Lightfoot, 1786) - Stiff pen shell (Marine bivalve
American Stiff Pen Shell (Atrina rigida Lightfoot, 1786): Byssal
Bailey-Matthews National Shell Museum - Zip up that mantle edge
Sunset Beach Shells
Sunset Beach Shells
Sunset Beach Shells
NCCollecting
Stiff Pen Shell (Atrina rigida)
Atrina rigida - Wikipedia
Atrina rigida letstalkseashells
Stiff Pen Shell (Atrina rigida)