Pygathrix avunculus (Dollman, 1912) . Abstr. Proc. Zool. Soc. Lond., 106:18.
TYPE LOCALITY: Vietnam, Songkoi River, Yen Bay .
DISTRIBUTION: N. Vietnam.
COMMENT: Subgenus Rhinopithecus; see Szalay and Delson, 1979:404.
PROTECTED STATUS: CITES - Appendix II as Order Primates and U.S. ESA - Threatened as Rhinopithecus avunculus .
ISIS NUMBER: 5301406008011001001 as Pygathrix (= Rhinopithecus) avunculus .