Lamprops uniplicata Sars, 1872: 270.
Hemilamprops uniplicata.— Sars, 1883: 11, 56.— Sars, 1900: 24, pl. 16, 17.
Type material. Deposition unknown. Hardangerfjord and Mosterhavn, Lofoten Islands, Norway. Not seen.
Diagnosis. Carapace with one lateral ridge, without setae, dorsal crest entire. Pleonites without dorsal crest. Telson 1.0 length of uropod peduncles, with 7 pairs lateral setae, 3 equal terminal setae. Uropod exopod article 1 0.7 length of article 2. Adult male antenna extending to posterior border of pleonite 5; telson with pairs lateral setae.
Depth. 110–3000 m.
Distribution. Northeastern Atlantic, Arctic.
Remarks. Hemilamprops uniplicatus is most similar to H. chilensis, H. gracilis and H. pterini, but can be differentiated by the telson being equal to or longer than the uropod peduncles, while the telson is shorter than the uropod peduncles in the other species.