Leucon longirhinus Mühlenhardt-Siegel, 2011Holotype.Southern Ocean • non-ovig. ♀; Western Weddell Sea, ANDEEP II (ANT XIX/4) exped., FS Polarstern stat. PS 61/4-135-4; 65°0.85'S, 43°03.03'W [- 65.001, - 43.0199; - 64.9995, - 43.0151]; 4678 m depth; 10 March 2002; Angelika Brandt leg.; epibenthic sledge; ZMH -K-042945.Paratypes.* • 2 m. + juv. ♂ + 2 subA. ♀♀ + 4 ♀♀; E Weddell Sea, ANT XV/3 exped., FS Polarstern stat. PS 48-130; 73°24.0'S, 22°08.3'W to 73°23.8'S, 22°08.7'W [- 73.400, - 22.1383; - 73.3966, - 22.145]; 1973–1982 m depth; 08 February 1998; Angelika Brandt leg.; epibenthic sledge; ZMH -K-042946. * • 2 non-ovig. ♀♀; Peninsula, ANDEEP I (ANT XIX/3) exped., FS Polarstern stat. PS 61/3-105-7; 61°24.16'S, 58°51.56'W to 61°24.25'S, 58°51.56'W [- 61.4026, - 58.8592; - 61.4043, - 58.8639]; 2308 [2298–2308] m depth; 12 February 2002; Angelika Brandt leg.; epibenthic sledge; one specimen dissected; ZMH -K-067105. * • non-ovig. ♀; Peninsula, ANDEEP I (ANT XIX/3) exped., FS Polarstern stat. PS 61/3-129-2; 59°52.21'S, 59°58.75'W to 59°52.20'S, 59°58.63'W [- 59.8702, - 59.9792; - 59.8691, - 59.9838]; 3640 [3643–3622] m depth; 22 February 2002; Angelika Brandt leg.; epibenthic sledge; ZMH -K-067106. * • 3 m. + ♂; E Weddell Sea, ANDEEP III (ANT XXII/3) exped., FS Polarstern stat. PS 67-078-9, 71°09.52'S, 14°0.76'W to 71°09.34'S, 13°58.85'W [- 71.16, - 14.000 8; -71.156, -13.980 2]; 2149 [2174–2147] m depth; 22 February 2005; Angelika Brandt leg.; epibenthic sledge; ZMH -K-067107.Remarks.In the original publication, only one collection number was assigned to the ZMH - K paratypes, even though the specimens were collected at four different stations. Here, we assigned a new collection number to three lots (see above); the original number given by Mühlenhardt-Siegel (2011 a) is retained by the first lot listed herein.Diagnosis.Carapace with 2 teeth laterally at posterior part; pseudorostrum more than half as long as remainder of carapace, with 2 teeth ventrally; antennal notch with 3 to 4 teeth above. Antenna 1, accessory flagellum longer than basal article of main flagellum; Uropod, peduncle length 0.8–0.9 endopod length; endopod longer than exopod (after Mühlenhardt-Siegel 2011 a).Distribution.Southern Ocean, 1973–4678 m depth.