Bezděk, A. & Sládeček, F.X.J. (2012) Platyonitis oberthueri Janssens, 1942 and Epionitis tarsatus Balthasar, 1942 (Coleoptera: Scarabaeidae: Scarabaeinae: Onitini) — synonymy confirmed. Zootaxa, 3267 (1), 65–68.