Prithijit S. Phalangeal curvature and positional behavior in extinct sloth lemurs (Primates, Palaeopropithecidae). Proceedings of the National Academy of Sciences
Running S, Abatzoglou JT, Lukacs PM. Camouflage mismatch in seasonal coat color due to decreased snow duration. Proceedings of the National Academy of Sciences
lemurs (Primates, Palaeopropithecidae). Procedures of the National Academy of Science (U.S.A.). 1997, 94 (22): 11998–2001. Bibcode:1997PNAS...9411998J. PMC 23681