Hemilamprops bigibbus Gamô, 1975

Gerken, Sarah, 2018, The Lampropidae (Crustacea: Cumacea) of the World, Zootaxa 4428 (1), pp. 1-192 : 66

Hemilamprops bigibbus Gamô, 1975

Hemilamprops bigibbus Gamô, 1975: 1–6 , figs 1–3.

Type material. Deposition unknown. Sagami Bay, Japan. Not seen .

Diagnosis. Carapace with several lateral ridges, with few setae anteriorly, dorsal crest entire. Telson 0.9 length of uropod peduncles, with 6 lateral setae, 3 terminal setae. Uropod exopod article 1 0.8 length of article 2. Adult male unknown.

Depth. 704 m.

Distribution. Sagami Bay, Japan, 35°N, 139°E (estimated from Google Earth).

Remarks. This species is most similar to H. pectinatus , but can be differentiated by the proportions of the uropod exopod articles. In H. bigibbus , article 1 of the uropod exopod is longer than article 2, while in H. pectinatus article 1 of the uropod exopod is equal to or shorter than article 2.

Remarks. This species is represented by two specimens from the Angola Basin. The most similar species is H. emiensis from Japan. These species can be differentiated by the number of lateral setae on the telson. In H. brenkei there are four or fewer pairs of lateral setae, while in H. emiensis there are at least six pairs of lateral setae.