Broad disc, width exceeding 70% total length; short tail, postcoacal length less than three-quarters of disc length; long snout, exceeding 17% total length; broad, rectangular internasal flap, width subequal to interspace between 5th gill slits; inner margin of spiracle parallel to longitudinal axis; tail folds rudimentary or absent; small dorsal fin; apices of pelvic fins rounded; single row of 10-13 oral papillae; no broad lobes on posterolateral border of nostrils; 104-110 pectoral fin radials; dorsal surface uniform yellowish brown (Ref. 51067).