Kohlmann, Bert, Alfonsina Arriaga-Jiménez, and Matthias Rös. 2018. “An Unusual New Species of Canthidium (Coleoptera: Scarabaeidae: Scarabaeinae) from Oaxaca, Mexico”. Zootaxa 4378 (2). Auckland, New Zealand:273–278. https://doi.org/10.11646/zootaxa.4378.2.7.