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The Stiff Pen Shell and its Nacre

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

Biographical Sketch: Clam-like

Stiff Pen Shell, ATRINA RIGIDA

New understanding why mother-of-pearl is so hard and so resilient

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

The microstructure of mussel shells: grain growth as in inorganic

The Saw-tooth Pen Shell

Nacreous aragonite pen shell fragment (Sanibel Island, Flo…

Atrina rigida (John Lightfoot, 1786) Stiff Penshell And Symbiont