Yunakov, Nikolai. 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). Auckland, New Zealand:1–104. https://doi.org/10.11646/zootaxa.3535.1.1.