Presbytis potenziani (Bonaparte, 1856) . C. R. Acad. Sci. Paris, 43:412.

TYPE LOCALITY: Indonesia, W. Sumatra, Sipora Isl .

DISTRIBUTION: Mentawi Isis.

COMMENT: Perhaps subgenus Presbytis; see Szalay and Delson, 1979:402.

PROTECTED STATUS: CITES - Appendix I and U.S. ESA - Threatened.

ISIS NUMBER: 5301406008008013001.