Leucon fracturensis Mühlenhardt-Siegel, 2019Fig. 36Holotype.North Atlantic Ocean • ovig. ♀; 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]; 5733-5735 [5736.6–5732.9] m depth; 27 December 2014; Colin Devey leg.; epibenthic sledge; ZMH -K-046045.Paratypes.* • 1 m. + 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; ZMH -K-046046. * • 2 m. + subA. ♂ + prep. ♀; 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 [5490.2–5292.6] m depth; 20 December 2014; Colin Devey leg.; epibenthic sledge; ZMH -K-046047. * • 3 m. + 4 subA. ♂♂ + 7 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; ZMH -K-046048. * • subA. ♂ + 4 prep. ♀♀; same data as holotype; ZMH -K-046049. * • prep. ♀; Eastern Fracture Zone, Vema-TRANSIT exped., FS Sonne stat. SO 237-06-8; 10°22.59'N, 36°55.49'W [10.3765, - 36.92467; 10.37733, - 36.92317]; 5119 [5117.3–5114.3] m depth; 02 January 2015; Nils Brenke leg.; epibenthic sledge; specimen dissected mounted on a permanent slide; ZMH -K-046050. * • prep. ♀ + ovig. ♀; Western Fracture Zone, Vema-TRANSIT exped., FS Sonne stat. SO 237-11-1; 12°05.83'N, 50°28.13'W [12.09717, - 50.46883; 12.0975, - 50.46617]; 5089 [5091.8–5085.5] m depth; 14 January 2015; Angelika Brandt leg.; epibenthic sledge; ZMH -K-046051. * • juv. ♂; Puerto Rico Trench, Vema-TRANSIT exped., FS Sonne stat. SO 237-14-2; 19°04.55'N, 67°07.86'W [19.07583, - 67.131; 19.07783, - 67.1295]; 4934 [4935.4–4928.3] m depth; 24 January 2015; Angelika Brandt leg.; epibenthic sledge; ZMH -K-046052. * • ovig. ♀; Puerto Rico Trench, Vema-TRANSIT exped., FS Sonne stat. SO 237-14-1; 19°02.08'N, 67°09.44'W [19.03467, - 67.15733; 19.03517, - 67.157]; 4552 [4918.9–4921.1] m depth; 24 January 2015; Nils Brenke leg.; epibenthic sledge; ZMH -K-047781.Diagnosis.Carapace with 2 larger plus 2 to 3 smaller dorsomedial teeth on anterior part, and without any lateral teeth; pseudorostral lobes long, acute, with teeth only below. Antenna 1, accessory flagellum as long as basal article of main flagellum (after Mühlenhardt-Siegel 2019).Distribution.North Atlantic, Vema Fracture Zone, 4552–5735 m depth.