R. Sampaio, D. P. Munari, F. Röhe, A. L. Ravetta, P. Rubim, I. P. Farias, M. F. F. da Silva, M. Cohn-Haft: New distribution limits of Bassaricyon alleni Thomas 1880 and insights on an overlooked species in the Western Brazilian Amazon. Mammalia. Volume 74, Issue 3, Pages 323–327, ISSN (Online) 1864-1547, ISSN (Print) 0025-1461, DOI: 10.1515/mamm.2010.008, May 2010