Bizarre-shaped shark. Flattened, ray-like form with free anterior pectoral lobes lateral to the gills. Eyes on dorsal surface, very big spiracles. Terminal mouth. Both dorsal fins are on caudal peduncle. Lower lobe of caudal fin is longer than the upper one.
Coloration
Uniformly light beige, no ocelli (dark dots).
Distribution
Western Atlantic: Massachusetts to Florida Keys, Gulf of Mexico, Caribbean.
Biology
Bottom-dweller, often in shallow water and buried in sand or mud. Found over the continental shelf and slope. A poorly known species.