Hemilamprops roseus ( Norman, 1863 )

Gerken, Sarah, 2018, The Lampropidae (Crustacea: Cumacea) of the World, Zootaxa 4428 (1), pp. 1-192 : 80-81

Hemilamprops roseus ( Norman, 1863)

Vaunthompsonia rosea Norman, 1863: 271 , pl. 13, figs 1–3.

Cyrianassa elegans . — Norman, 1863: 275, pl. 13, figs 4–9.

Lamprops rosea .— Sars, 1865: 19.

Hemilamprops roseus .— Sars, 1883: 11, 55.

Type material. Deposition unknown. East and North of Tynemouth , North Sea, coast of Northumberland, UK. Not seen .

Diagnosis. Carapace without lateral ridges, without setae, dorsal crest entire. Pleonites without dorsal crest. Telson 1.0 length of uropod peduncles, with 2 pairs lateral setae, 8 terminal setae. Uropod exopod article 1 0.6 length of article 2. Adult male antenna extending to posterior border of pleonite 6; telson with 2 pairs lateral setae, 6 terminal setae.

Depth. 46–970 m.

Distribution. Boreal northeastern Atlantic.

Remarks. There is only one other species with more than five terminal setae on the telson, H. assimilis , which can be distinguished by the eyelobe and telson lateral setae. In H. roseus the eyelobe is larger, with distinct lenses, and the telson has two or more pairs of lateral setae, while in H. assimilis the eyelobe is without lenses and the telson has one pair of lateral setae.