Bruce, N. L. (1990) The genera
Catoessa,
Elthusa,
Enispa,
Ichthyoxenus,
Idusa,
Livoneca, and
Norileca n. gen. (Isopoda, Cymothoidae), crustacean parasites of marine fishes, with descriptions of eastern Australian species. Records of the Australian Museum 42: 247-300.