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

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

Penshells, Iridescent Fan Shaped Shells, Choice: 30 Pcs 2-3 or 20

Pen shells provided ancients byssal threads for fine sea silk

chalky buttercup lucine shell - sanibel

Stiff Pen Shell (Atrina rigida) · iNaturalist Australia

Shell identification on Ocracoke, N.C., beaches

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

Stiff Pen Shell (Atrina rigida) · iNaturalist Australia

Pen shells provided ancients byssal threads for fine sea silk

Atrina rigida - Facts, Diet, Habitat & Pictures on

Stiff Pen Shell (Atrina rigida)

Atrina rigida - Wikipedia

Atrina rigida - Wikipedia

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