A New Subspecies of Scaphella junonia (Lamarck) from the East Coast of the United States

A new subspecies of the eastern Gulf of Mexico volute, Scaphella junonia (Lamarck, 1804), is described from the East Coast of the United States. The new subspecies, here named Scaphella junonia sheltoni Petuch & Berschauer, n. subsp., ranges from Cape Hatteras in North Carolina southward to Fort Pierce, St. Lucie County, Florida and is most common in the area around Cape Canaveral, Florida. Here it is frequently encountered during commercial scallop dredging operations. The new subspecies is absent from southeastern Florida, the Florida Keys, and the Dry Tortugas and is physically and genetically isolated from the western Florida nominate subspecies by the ecological barrier of the coral reef environments of the Florida Coral Reef Tract (Palm Beach to the Dry Tortugas).