Weigmann, Gerd, and Sergey G. Ermilov. 2016. “Intraspecific Variation of the Octotaxic System in Protoribates paracapucinus (Acari, Oribatida, Haplozetidae), With Systematic and Taxonomic Considerations”. Zootaxa 4067 (4). Auckland, New Zealand:473–478. https://doi.org/10.11646/zootaxa.4067.4.6.