| Summary: | Dorylaimopsis jinyuei sp. n. (Figures 7–9, Table 3) Material examined. Type specimens. Holotype male, inventory slide no. ChukchiC0431. The habitat and locality. Sublittoral zone in the Chukchi Sea (Arctic Ocean). Collected in July 2014, 169°01′ W, 67°40′ N, water depth 50 m, salinity 32.77‰; 168°09′ W, 69°13′ N, water depth 50 m, salinity 32.75‰; 169°00′ W, 69°36′ N, water depth 52 m, salinity 32.63‰; 166°59′ W, 71°00′ N, water depth 45 m, salinity 30.64‰; surface sediment layer (0–10 cm), muddy sediment. Male inventory slide no. ChukchiC0431, ChukchiC01, ChukchiB14 and ChukchiR02. Female inventory slide no. ChukchiR04 and ChukchiC01. Etymology. This species was named after the second son of the first author Sujing Fu. Description. Male. Body cylindrical, widest at anterior intestine region, gradually tapering towards both extremities. Cuticle with transverse rows of fine punctuations, with lateral differentiation in the form of 4–7 longitudinal rows of coarse dots extending from posterior edge of amphid to anterior of intestine, and 5–7 longitudinal rows of coarse dots in the conical tail region, not as regular as in pharyngeal region; longitudinal rows of coarse dots absent in middle body. Cephalic region with a distinct constriction. Two circles of six inner labial and six outer labial papillae, four cephalic setae situated at level of constriction. Buccal cavity consists of two portions, a cup-shaped anterior portion and a cuticularized tubular posterior portion. Three triangular teeth present at the anterior end of tubular part of buccal cavity. Amphids spiral, 2.75 turns, anterior border of amphids at level of cephalic setae. Pharynx cylindrical, widening slightly towards posterior end. Nerve ring near middle of pharynx. The ventral gland situated posterior to the cardia level, the excretory pore opens near half of pharyngeal length. Cardia small. Reproductive system diorchic with two outstretched testes, anterior testis to the right and posterior testis to the left of the intestine. Spicules equal and ...
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