The Lampropidae (Crustacea: Cumacea) of the World Author Gerken, Sarah text Zootaxa 2018 2018-06-01 4428 1 1 192 journal article 22652 10.11646/zootaxa.4428.1.1 e10e53f2-0e1b-46f6-8b0f-af19d5529711 1175-5326 3769771 2419A7F0-5AED-47EC-86BB-06AADB2A4BD9 Hemilamprops izuanus Harada, 1959 Hemilamprops izuanus Harada, 1959: 231–234 , fig. 12. Type material. Deposition unknown. Shimoda Bay , Izu Peninsula , Japan . Not seen . Diagnosis . Carapace without lateral ridges, without setae, dorsal crest entire. Telson 1.0 length of uropod peduncles, with 6 pairs lateral setae, 3 terminal setae, middle seta longest. Uropod exopod article 1 0.5 length of article 2. Adult male smaller than female, antennule with group of aesthetascs on first article of main flagellum, antenna extending to posterior border of pleonite 2; telson with 7 pairs lateral setae. Depth . 50 m . Distribution . Off Izu Peninsula, Japan , 34°40’N , 138°55’E . Remarks . Hemilamprops izuanus is most similar to H. brenkei , H. emiensis and H. ultimaspei , but can be differentiated by the telson being subequal to the uropod peduncles, rather than distinctly shorter than the uropod peduncles.