Cupello, Mario, and Fernando Z. Vaz-De-Mello. 2014. “Revalidation of the Brazilian Atlantic Forest Dung Beetle Species Coprophanaeus (Metallophanaeus) machadoi (Pereira & D’Andretta, 1955) (Coleoptera: Scarabaeidae: Scarabaeinae: Phanaeini) Based on Morphological and Distributional Evidence”. Zootaxa 3869 (4). Auckland, New Zealand:435–451. https://doi.org/10.11646/zootaxa.3869.4.7.