Yunakov, N. (2012) Afrotropical weevils of the Cadoderus Marshall generic complex (Coleoptera: Curculionidae: Entiminae: Embrithini). Part 1. Genera: Cadoderus Marshall, 1926; Sphrigodellus Marshall, 1942 and Oncophyes Marshall, 1942. Zootaxa, 3535 (1), 1–104.