Cymatium (Ranularia) cynocephalum (Lamarck, 1816)
South Carolina to Brasil, Caribbean, Indo-W. Pacific.
The form "caribbaea" Clench & Turner, 1957.
5m deep, on sand and rubble, by night, Puerto Patillas, Patillas, Puerto Rico. 48mm.
20-25m deep, on sand, Barra, Salvador, Bahia, Brasil. 73mm.