Ota, Y., and E. Hirose. “Gnathia Nubila n. Sp. and a New Record of Gnathia Grandilaris (Crustacea, Isopoda, Gnathiidae) That Parasitizes Elasmobranchs from Okinawan Coastal Waters, Japan”. Zootaxa, vol. 2238, no. 1, Sept. 2009, pp. 43–55, doi:10.11646/zootaxa.2238.1.4.