Chalarostylis brenkei Muhlenhardt-Siegel 2005

• Main Authors: Alberico, Natalia A., Roccatagliata, Daniel, Mühlenhardt-Siegel, Ute
• Format: Other/Unknown Material
• Language: unknown
• Published: 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Cumacea; Lampropidae; Chalarostylis; Chalarostylis brenkei; Argentine; Juv; Antarc*; Antarctica
• Online Access: https://zenodo.org/record/6144298; https://doi.org/10.5281/zenodo.6144298

Chalarostylis brenkei (Mühlenhardt-Siegel, 2005) Syn.: Hemilamprops brenkei Mühlenhardt-Siegel, 2005. Material examined. Type material. ANGOLA BASIN: DIVA I. Sta. 350, 16º 14.3 'S, 05º 26.8 'E, 5389 m, 29 Jul 2000, 1 A ♂ (Holotype, ZMH K- 40418). Sta. 318, 22º20.0'S, 03º 18.3 'E, 5125 m, 0 7 Jul 2000, 1 A ♀ (Paratype, ZMH K- 40419). Additional material examined. ANTARCTICA: ANDEEP II (ANT-XIX/ 4). Sta. 132 -E, 65 ° 18.25 'S, 53 ° 22.79 'W, 2082 m, 0 6 Mar 2002, 1 A ♂ (ZMH K- 43180). ANDEEP III (ANT-XXII/ 3). Sta. 59 -E, 67 ° 30.75 'S, 00°00.23'W, 4651 m, 14 Feb 2005, 1 SA ♂ (ZMH K- 43186). Sta. 88 -E, 68 °03.84'S, 20 ° 31.39 'W, 4928 m, 27 Feb 2005, 2 SA ♂♂, 1 Juv., 1 Manca (ZMH K- 43182). Sta. 88 -S (same data that Sta. 88 -E), 2 SA ♂♂ (ZMH K- 43183). Sta. 94 -E, 66 ° 39.08 'S, 27 °09.26'W, 4889 m, 0 2 Mar 2005, 1 SA ♂, 1 Juv. (ZMH K- 43184). Sta. 94 -S (same data that Sta. 94 -E), 1 A ♂ (ZMH K- 43185). Sta. 102 -E, 65 ° 18.25 'S, 53 ° 22.79 'W, 2082 m, 0 6 Mar 2005, 1 A ♂ (ZMH K- 43292). Sta. 110 -S, 64 ° 59.20 'S, 43 °02.05'W, 4698 m, 10 Mar 2005, 1 SA ♂ (ZMH K- 43181). GUINEA BASIN: DIVA II. Sta. 89 - 6 -S, 00° 42.95 'N, 05° 31.29 'W, 5142 m, 20 Mar 2005, 1 A ♂ (ZMH K- 43961). ARGENTINE BASIN: DIVA III. Sta. 533 -E, 36 °00.20'S, 49 °01.96'W, 4602 m, 15 Jul 2009, 1 A ♀, 1 SA ♀ (ZMH K- 43179). Sta. 534 -S, 36 °00.61'S, 49 °01.54'W, 4608 m, 16 Jul 2009, 1 SA ♂ (ZMH K- 43189). BRAZILIAN BASIN: DIVA III. Sta. 561 -S, 26 ° 34.78 'S, 35 ° 13.90 'W, 4484 m, 23 Jul 2009, 2 SA ♂♂, 1 Juv. (ZMH K- 43187). Sta. 580 -S, 14 ° 58.91 'S, 29 ° 56.49 'W, 5131 m, 30 Jul 2009, 2 SA ♀♀, 2 SA ♂♂ (ZMH K- 43188). Redescription adult female (ZMH K- 43179) Total length: 9.4 mm (specimen drawn). Carapace (Fig. 1 B) rather thin and transparent, with setae on frontal and pseudorostral lobes. Width approximately 0.74 its length. Anterior half with sharp middorsal carina, which has no teeth and in lateral view is slightly convex. Branchial chamber inflated leaving a narrow middorsal depression in between. Pseudorostrum almost 3 times ...