American Stiff Pen Shell (Atrina rigida Lightfoot, 1786): Byssal Threads

Bailey Matthews National Shell Museum

Stiff Pen Shell (Atrina rigida) · iNaturalist Australia

Stiff Pen Shell, ATRINA RIGIDA

Stiff Pen Shell (Atrina rigida)

Atrina rigida (Lightfoot, 1786) - Stiff pen shell (Marine bivalve

Stiff Pen Shell (Atrina rigida) · iNaturalist Australia

Atrina rigida hi-res stock photography and images - Alamy

Atrina rigida (Lightfoot, 1786) - Stiff pen shell (Marine bivalve

American Stiff Pen Shell (Atrina rigida Lightfoot, 1786): Byssal

Stiff Pen Shell Large Atlantic Ocean North Florida Atrina Rigida

Bailey Matthews National Shell Museum

Found on beach Northern Florida Atlantic Ocean. Large 7'x 3.5 Stiff Pen Shell. Unusual to find almost intact Pen shell due to their fragile nature.

Stiff Pen Shell Large Atlantic Ocean North Florida Atrina Rigida

Found on beach Northern Florida Atlantic Ocean. Large 7'x 3.5 Stiff Pen Shell. Unusual to find almost intact Pen shell due to their fragile nature.

Stiff Pen Shell Large Atlantic Ocean North Florida Atrina Rigida

YELLOW PRICKLY COCKLE. Cockles, Sea shells, Sea glass shell

chalky buttercup lucine shell - sanibel