Costa, F. R., and S. F. Vizcaíno. “A Diagnostic Character Revisited: Is There a Fifth Toe in the Forefoot of Dasypus novemcinctus (Xenarthra: Dasypodidae)?”. Zootaxa, vol. 2671, no. 1, Nov. 2010, pp. 61–64, doi:10.11646/zootaxa.2671.1.6.