Chalarostylis brenkei (Mühlenhardt-Siegel, 2005)

Hemilamprops brenkei Mühlenhardt-Siegel, 2005: 117, fig. 3.

Chalarostylis brenkei .— Alberico et al., 2014: 323, figs 1–3.

Type material. Holotype: ZMH K 40,418, male . Paratype: ZMH K 40,419, female. Angola Basin, 16°14.3’S, 5°26.8’E. Not seen .

Diagnosis. Carapace with setae, pereon and pleon without setae. Carapace dorsal crest entire, with scattered setae anteriorly. Pereopod 1 without serrate carinae on carpus and propodus. Telson 1.8 length of pleonite 6, telson with 8-9 lateral setae and 3 terminal setae, terminal setae longer than later lateral setae. Telson 0.6 length of uropod peduncles. Uropod exopod article 1 1.1 length of article 2. Adult male

antennal flagellum moderate, reaching to end of pereon. Small penial lobes present, as genital papillae. Telson with 3–7 pairs of lateral setae.

Depth. 5125–5389 m.

Distribution. Angola Basin, 16°43’S, 5°26.8’E.

Remarks. The most similar species is Chalarostylis bruunae, which can be differentiated by the antennule accessory flagellum. In C. brenkei, the antennule accessory flagellum reaches to at or near the end of the second article of the main flagellum, while in C. bruunae the accessory flagellum only reaches to at or near the end of the first article of the main flagellum.