Leuconidae (Crustacea: Cumacea) from the collections of the Museum Victoria, Australia Author Gerken, Sarah text Zootaxa 2016 4067 3 251 292 journal article 51153 10.11646/zootaxa.4067.3.1 1262a643-b455-4266-a3c5-b4c6fc463cff 1175-5326 263497 A65B10C5-EE25-4D16-BD8D-1C30F8A772F3 Ommatoleucon Watling, 1991 Type species. Leucon ocularis Hale, 1945 . Diagnosis. Female and subadult male . Carapace without dorsal crest. Eyelobe present as expansion of frontal lobe, large, with obvious visual elements. Endopod uniarticulate or biarticulate. Adult male. Eyelobe larger than in female, with more visual elements. Antennal flagellum extending to end of pleon. Without penial lobes. With 2 pairs of pleopods. Remarks. This is the only genus in the Leuconidae with visual elements, and is also endemic to Australian waters. Species. Ommatoleucon megalopos n. sp. , O. ocularis ( Hale, 1945 ) .