5940 Mustelus dorsalis Gill, 1864 Triakidae Houndsharks Triakinae Carcharhiniformes Elasmobranchii Sharptooth smooth-hound Eastern Pacific: southern Mexico to Peru. UBC 560159 4 S 81 W Mustelus dorsalis UBC 590686 8 N 80 W Mustelus dorsalis AMNH 11935 1911 Mustelus dorsalis AMNH 11936 1911 Mustelus dorsalis AMNH 11937 1911 Mustelus dorsalis