V. V.  Grebennikov, Ballerio, A., Ocampo, F. C., and Scholtz, C. H., ?Larvae of Ceratocanthidae and Hybosoridae (Coleoptera: Scarabaeoidea): study of morphology, phylogenetic analysis and evidence of paraphyly of Hybosoridae?, Systematic Entomology, vol. 29, pp. 524-543, 2004.