Nettside om Eucraniini fra Nebraska State University Ocampo, F.C. (2005) Revision of the Southern South American endemic genus Blackwelder, 1944 (Coleoptera: Scarabaeidae: Scarabaeinae: Eucraniini) and description of its Food relocation behavior. Journal of Natural History 39: 2537-2557. Ocampo F.C. (2007) The Argentinean dung beetle genus : description of a new species, and new synonymies for . Revista de la Sociedad Entomológica Argentina 66(3-4):159-168.