Akkari, N. and Enghoff, H. 2012. Review of the genus Ommatoiulus in Andalusia, Spain (Diplopoda: Julida) with description of ten new species and notes on a remarkable gonopod struc-ture, the fovea. Zootaxa. 3538, 1 (Nov. 2012), 1–53. DOI:https://doi.org/10.11646/zootaxa.3538.1.1.