Macrostylis gerdesi Brandt 2002

• Main Authors: Riehl, Torben, Brandt, Angelika
• Format: Other/Unknown Material
• Language: unknown
• Published: 2013
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Isopoda; Macrostylidae; Macrostylis; Macrostylis gerdesi; Maud Rise; Seta; Southern Ocean; Weddell; Weddell Sea; Antarc*; Antarctica
• Online Access: https://zenodo.org/record/5681374; https://doi.org/10.5281/zenodo.5681374

Macrostylis gerdesi (Brandt, 2002) urn:lsid:zoobank.org:act: DE 164 C 85-4733 - 40 E 3-9721 - 975940 A 24 F 95 Desmostylis gerdesi Brandt, 2002; pp. 618–626, Figs 1–4; Macrostylis gerdesi (Brandt, 2002).—Riehl & Brandt, 2010; pp. 43–44; Fig. 19. Type fixation. Holotype: non-ovigerous female, 1.8 mm length, ZMH K- 39915, by original designation. Type locality. Antarctica, Southern Ocean, Weddell Sea, off Kapp Norvegia: multiple box corer, station 0 37, 28.2.1996, 71° 31.90 ’S, 13 ° 31.20 ’W; 238 m depth. Type material. Holotype: non-ovigerous female, 1.8 mm length, ZMH K- 39915, dissected; paratype:: nonovigerous female, 1.6 mm length, ZMH K- 39916, from type locality. Type material - Remarks. The holotype carcass got all limbs removed and is strongly damaged. The slides with appendages are in good condition. Modified diagnosis. Pereonite 3 ventral spine small. Pereonite 4 width subequal pereonite 5 width, posterolateral margins not produced posteriorly, ventral spine absent. Pereonite 6 length shorter pereonite 5 length. Pereonite 7 ventral spine prominent. Pleotelson subrectangular, waist absent, posterior apex convex. Pereopod III ischium dorsal lobe triangular. Pereopod V ischium dorsally with no seta. Published as part of Riehl, Torben & Brandt, Angelika, 2013, Southern Ocean Macrostylidae reviewed with a key to the species and new descriptions from Maud Rise, pp. 160-203 in Zootaxa 3692 (1) on page 190, DOI:10.11646/zootaxa.3692.1.10, http://zenodo.org/record/220612