Jekyll Island - #WildlifeWednesday: Rigid pen shells are also called stiff pen shells. The insides of these fan-shaped shells are smooth and shiny, like mother-of-pearl, while the outside is covered with rough

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

Stiff Pen Shell (Atrina rigida)

Common Shells of Honeymoon Island State Park

i Love Learning About Pen Shell Pearls

What's causing the massive death of the nobel pen shell?

Bailey Matthews National Shell Museum

Decorator Crab Smithsonian Ocean

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

Common Shells of Honeymoon Island State Park Nature Center