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Southwest Florida Shells

José H. Leal

Lioberus castanea

(Say, 1822)

Family Mytilidae

Chestnut Mussel

Shell size to 28 mm; shell small for family, elongate-ovate, inflated, thin-walled, with taller section on posterior one third. Hinge with slight expansion under umbo. Color brown, with very sharp, slanted line separating lighter color posterior end from darker anterior end. Nacreous bluish inside.

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