Akkari, Nesrine, and Henrik Enghoff. “Revision of the Genus Ommatoiulus Latzel, 1884 (Julida, Diplopoda) in Portugal, With Description of Six New Species”. European Journal of Taxonomy0, no. 295 (March 9, 2017). Accessed April 20, 2024. https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/419.