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Southwest Florida Shells with Emphasis on Sanibel & Captiva
José H. Leal
Family Pteriidae
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Pteria colymbus
(Röding, 1798)
Atlantic Wing Oyster
![](http://res.cloudinary.com/bailey-matthews-shell-museum/image/upload/v1429636935/g67f6btlmeu3kaozcqib.jpg)
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.
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