Colin P. Groves. Department of Archaeology and Anthropology, The Australian National University, GPO Box 4, Canberra ACT 0200, Australia
Wilson, Don E., and DeeAnn M. Reeder, eds. 2005-10-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vols. 1 & 2. Johns Hopkins University Press. Baltimore, Maryland, USA. 2142. 0-8018-8221-4. .
Wilson, Don E., and DeeAnn M. Reeder, eds. 1992-01-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. Smithsonian Institution Press. Washington, DC, USA. xviii + 1207. 1-56098-217-9. Corrections were made to text at 3rd printing.
Nowak, Ronald M. 1991-01-01. Walker's Mammals of the World, vol. 1, 5th ed.. The Johns Hopkins UniversityPress. Baltimore and London. 1629. 0-8018-3970-X. .
Wilson & Reeder, eds. (2005): Comments: This genus needs revision; krefftii may be better restricted to a Pleistocene species, and neither barnardi nor gillespiei may belong to it