Bezděk, A. and Sládeček, F.X.J. 2012. Platyonitis oberthueri Janssens, 1942 and Epionitis tarsatus Balthasar, 1942 (Coleoptera: Scarabaeidae: Scarabaeinae: Onitini) — synonymy confirmed. Zootaxa. 3267, 1 (Apr. 2012), 65–68. DOI:https://doi.org/10.11646/zootaxa.3267.1.4.