additional sourceAkkari, N.; Gilgado, J. D.; Ortuño, V. M.; Enghoff, H. (2018). Out of the dark void: Ommatoiulus longicornis n. sp., a new julid from Spain (Diplopoda, Julida) with notes on some troglobiomorphic traits in millipedes. Zootaxa. 4420(3): 415-429., available online athttps://doi.org/10.11646/zootaxa.4420.3.7 page(s): table 2 [details]
additional sourceAkkari, N.; Reip, H. (2023). Ommatoiulus ktarii, a new millipede from Tunisia and considerations on the taxonomy of the genus (Diplopoda, Julida, Julidae). Zootaxa. 5231(2): 183-191., available online athttps://doi.org/10.11646/zootaxa.5231.2.5 page(s): 188, figs. 4c, 5c [details]