The wide stingaree ("Urolophus expansus") is a little-known species of stingray in the family Urolophidae, found off southwestern Australia. It typically occurs over sand in water deep around the edge of the continental shelf. This species has a broad diamond-shaped pectoral fin disc, a slightly pointed snout, and a tail with a leaf-like caudal fin, skin folds along either side, and no dorsal fins. Between its nostrils is a skirt-shaped curtain of skin. It is grayish green above, with faint bluish lines beside and behind the eyes. The maximum length on record is .