↑MacLeay, W.S. (1819) Horae entomologicae; or essays on the annulose animals. Containing general observations on the geography, manners, and natural affinities of the Insects which compose the genus Scarabaeus of Linnaeus; to which are added a few incidental remarks on the genera Lucanus and Hister of the same author. With an appendix and plates. Vol. 1, Pt. 1. S. Bagster, London.
↑Pittino, R. (2010) A new genus and species of Trogidae MacLeay, 1819 from Madagascar, and a new species of Omorgus Erichson, 1847 from Argentina (Coleoptera, Trogidae). Kogane 11: 75–83.