Macrostylis gerdesi Brandt 2002

Macrostylis gerdesi (Brandt, 2002)

urn:lsid:zoobank.org:act: DE 164C85-4733-40E3-9721-975940A24F95 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.