Wilson, Don E. & Reeder, DeeAnn M. (toim.): CarnivoraMammal Species of the World. A Taxonomic and Geographic Reference (3rd ed). 2005. Johns Hopkins University Press. Viitattu 2.7.2012. (englanniksi)
umich.edu
animaldiversity.ummz.umich.edu
Phil Myers, Allison Poor: CarnivoraAnimal Diversity Web. University of Michigan, Museum of Zoology. Viitattu 2.7.2012. (englanniksi)