N.  Akkari, Gilgado, J. D., Ortuño, V. M., and Enghoff, H., ?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, vol. 4420, no. 3, pp. 415-429, 2018.