A large, plain, dark stingray with an angular snout and pectoral disc; tail long and broad-based, less than twice body length, and with no upper caudal finfold but with high lower caudal finfold- 2 to 3 times depth of tail but not reaching tail tip; no large thorns; 1 or 2 long stings on tail, further behind tail base than in most stingrays; unique hexagonal, high-crowned teeth (Ref. 5578). Dark brown or black dorsally without conspicuous markings, white ventrally (Ref. 5578). Tail black (Ref. 3263).