Sawtooth Pen Shell (Marine Invertebrates of Jekyll Island, GA) · iNaturalist

Photos of Cart-Rut Shell (Dicathais orbita) · iNaturalist

Photos of Noble Pen Shell (Pinna nobilis) · iNaturalist

Photos of Cart-Rut Shell (Dicathais orbita) · iNaturalist

Photos of Amber Pen Shell (Pinna carnea) · iNaturalist

Photos of Cart-Rut Shell (Dicathais orbita) · iNaturalist

Photos of Rough Penshell (Atrina pectinata) · iNaturalist

Photos of Sawtooth Pen Shell (Atrina serrata) · iNaturalist

Photos of Amber Pen Shell (Pinna carnea) · iNaturalist

Photos of Stiff Pen Shell (Atrina rigida) · iNaturalist