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  • José H. Leal

Shell of the Week: The Giant False Coquina

Iphigenia brasiliensis belongs to the coquina family, the Donacidae. Its shell reaches 66 mm (about 2.6 inches) and resembles a larger version of the local (in Florida) Variable Coquina, Donax variabilis. Its shell has a thin, smooth, light-brown periostracum (the outer layer). The wedge-shape of coquina shells help during quick burrowing in the sand. The species inhabits estuarine areas in Florida, teh Gulf of Mexico, and the Caribbean south to southern Brazil.

Iphigenia brasiliensis, illustration by Patricia A. Starkey.


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