Leucon breviserratus Mühlenhardt-Siegel, 2019Fig. 33Holotype.North Atlantic Ocean • prep. ♀; Eastern Fracture Zone, Vema-TRANSIT exped., FS Sonne stat. SO 237-04-9; 10°25.54'N, 31°03.10'W [10.42583, - 31.05183; 10.4275, - 31.04967]; 5735 [5736.6–5732.9] m depth; 27 December 2014; Colin Devey leg.; epibenthic sledge; ZMH -K-046068.Paratypes.* • 2 m. + 3 prep. ♀♀; Eastern Fracture Zone, Vema-TRANSIT exped., FS Sonne stat. SO 237-02-6; 10°43.68'N, 25°03.83'W [10.72817, - 25.06383; 10.72983, - 25.06217]; 5520 [5501.6–5515.1] m depth; 20 December 2014; Colin Devey leg.; epibenthic sledge; one female dissected; ZMH -K-046069. * • prep. ♀; same data as ZMH -K-046069; specimen dissected mounted on a permanent slide; ZMH -K-046070. * • 3 m. + juv. ♂ + 1 subA. ♂ + 6 prep. ♀♀ + 2 ovig. ♀♀; Eastern Fracture Zone, Vema-TRANSIT exped., FS Sonne stat. SO 237-02-7; 10°42.75'N, 25°03.38'W [10.713, - 25.056; 10.715, - 25.053 33]; 5514 [5490.2–3292.6] m depth; 20 December 2014; Colin Devey leg.; epibenthic sledge; ZMH -K-046071. * • 8 m. + subA. ♂ + 2 ♂♂ + 10 prep. ♀♀; Eastern Fracture Zone, Vema-TRANSIT exped., FS Sonne stat. SO 237-04-8; 10°25.52'N, 31°04.52'W [10.42533, - 31.0755; 10.427, - 31.073 5]; 5735 [5734.3–5724.7] m depth; 26 December 2014; Colin Devey leg.; epibenthic sledge; four carapaces are included in this lot; ZMH -K-046072. * • 5 m. + 3 subA. ♂♂ + ♂ + 8 prep. ♀♀ + 2 ovig. ♀♀; same data as holotype; ZMH -K-046073. * • prep. ♀; Eastern Fracture Zone, Vema-TRANSIT exped., FS Sonne stat. SO 237-06-7; 10°21.76'N, 36°55.17'W [10.36283, - 36.91967; 10.36367, - 36.918]; 5085 [5082.7–5078.4] m depth; 02 January 2015; Colin Devey leg.; epibenthic sledge; ZMH -K-046074. * • 1 m.; Mid Atlantic Ridge, Vema-TRANSIT exped., FS Sonne stat. SO 237-08-4; 10°43.00'N, 42°39.9'W [10.71683, - 42.66533; 10.71683, - 42.6625]; 5176 [5177.6–5177.4] m depth; 06 January 2015; Colin Devey; Angelika Brandt leg.; epibenthic sledge; ZMH -K-046075.Remarks.Homogenised data for SO 237-02-7 might be inaccurate at the final depth recording; there is more than 2,000 m difference between the initial and final depths.Diagnosis.Carapace with 2–3 teeth dorsally anteriorly on frontal lobe, about 4 teeth below and 1 above frontal lobe fissure; pseudorostral lobes short, blunt, with 4 teeth above and at least 2 teeth below. Uropod, endopod basal article with 4 cuspidate and microserrate setae along inner margin, second article with 5 teeth and 2 terminal setae; exopod almost as long as endopod (after Mühlenhardt-Siegel 2019).Distribution.North Atlantic, Vema Fracture Zone, 5085–5735 m depth.