About Cardites floridanus (Conrad, 1838)
Cardites floridanus, originally misspelled C. floridana in this description, has an elongated quadrangular shell shape. The shell is whitish gray, with small brown patches positioned along its ribs, and is covered by a gray periostracum. It has approximately 20 coarse, rounded, beaded radial ribs. The interior of the shell is white, marked with small light brown patches above the muscle scars. Adult individuals reach a length of around 18 to 38 mm. This species typically lives among seagrass at depths of no more than 35 meters (100 feet).
