Attributes / relations provided by
♦ ¹Holochilus sciureus, Guillermo R. Barreto and Shaenandhoa GarcÍa-Rangel, MAMMALIAN SPECIES No. 780, pp. 1-5 (2005)
♦ ²del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.