Southwest Florida Shells with Emphasis on Sanibel & Captiva
José H. Leal
Shell size to 110 mm; Similar to Anodontia alba, but larger. Finer concentric growth lines. Differs from alba by angled position of anterior muscle scar in relation to pallial line. Surface inside of shell pebbly and rough to touch. Color chalky-white externally and internally. Anodontia philippiana (Reeve, 1850) is a synonym.