Quasimelita tolyza Labay, 2014, sp. nov.

• Main Author: Labay, Vjacheslav S.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Melitidae; Quasimelita; Quasimelita tolyza; okhotsk sea; Sakhalin
• Online Access: https://doi.org/10.5281/zenodo.5677647; http://treatment.plazi.org/id/03B9317294129253CDA33F286D57FAFA

Quasimelita tolyza sp. nov. Figures 1 –8, 30a Diagnosis . Anterior head lobe large, rounded, lower margin with a short notch. Eye small, oval. Pleon segments 1–3 with central tooth and 1 lateral denticle on each side. Urosome segment 1 with central tooth and 1 lateral denticle on each side; urosome 2 with 2 pairs of short teeth, with single cuspidate seta among each lateral pair. Maxilla 1, inner plate with numerous marginal setae; palp segment 1 with 7 lateral setae. Maxilla 2, facial setae of inner plate not reduced (19–20 setae), distally medial, closely submarginal. Coxa 1 without acute anterior corner; margins of all coxae without distinct serrations. Coxal plates 1 and 2 longer than plates 3 and 4. Propodus of pereopod 1 (male) relatively small, shorter than carpus, oval, palm indistinct, without distinct palmar angle. Pereopod 2 (male), anterior margin of dactyl strongly setose; palm oblique, strongly convex, with large tooth on the palmar corner. Basis of pereopod 7 with poorly developed and slightly rounded posterior lobe, narrowed distally. Uropod 3 long; peduncle 2 times shorter than outer ramous; proximal segment of outer ramous slender, tapering distally, with 5 clusters of marginal stout simple setae; terminal segment distinct, small. Tips of telson lobes acute, proximal subapical notch more on outer margin. Type material . Holotype male, 25 mm, 41799/Cr-1504, north-east shelf of Sakhalin Island, Okhotsk Sea, Far East of Russia (51°16'11"N 144°12'46"E, 159 m), silt, 17 June 2013. Paratypes: 1 male, 24 mm, 41800/Cr-1505; with same data as holotype; 1 male, 12 mm, 41801/Cr-1506, the north-east shelf of Sakhalin Island, Okhotsk Sea, Far East of Russia (51°16'14''N, 144°12'46''E, 161 m), silt, I.N. Moukhametov. Type locality . The north-east shelf of Sakhalin Island, Okhotsk Sea, Far East of Russia (51°16'11"N 144°12'46"E, 160 m). Description . Male (25 mm). Vital body color is grey-olive. Thoracic segments smooth dorsally (Fig. 2 a, b). Pleon segments with large central tooth and two small lateral ...