Southwest Florida Shells with Emphasis on Sanibel & Captiva
José H. Leal
Atlantic Wing Oyster
Shell size to 75 mm; shell flattened, ovate, inequivalve (one valve flatter). Hinge with large posterior, wing-like projection. Shell surface smooth. Byssal gap near anterior wing. Color dark-brown to brownish-black with radial lines of lighter color. Inner surface nacreous. Usually lives usually attached to sea-whips.