Setosabatieria major Guo & Huang & Chen & Wang & Lin 2015, sp. nov.

• Main Authors: Guo, Y. Q., Huang, D. Y., Chen, Y. Z., Wang, J. J., Lin, R. C.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Nematoda; Chromadorea; Araeolaimida; Comesomatidae; Setosabatieria; Setosabatieria major; Arctic; Arctic Ocean; Chukchi Sea; Chukchi
• Online Access: https://zenodo.org/record/4324283; https://doi.org/10.5281/zenodo.4324283

Setosabatieria major sp. nov. (Figures 3, 4 and Table 2) Type material Five males, one female and one juvenile from station CC4. Holotype: ♂ 1 on slide number Chukchi20100720 CC42401. Paratypes: ♂ 2 on slide number Chukchi20100720 CC42401, ♂ 3 on Chukchi20100720 CC42403, ♂ 4 on Chukchi20100720 CC42404, ♂ 5 on Chukchi20100720 CC42405, ♀ 1 on Chukchi20100720 CC42406, juvenile on Chukchi20100720 CC42407. Type locality and habitat Sublittoral zone in the Chukchi Sea (the Arctic Ocean). Latitude: 68.1336°N, longitude: 167.8633°W. Environmental parameters: water depth 52 m, surface water temperature 2.2°C, salinity at 52 m depth 32.13 ‰. Etymology This species is named for the large body. Measurements Measurements are given in Table 2. – 366 W 2806 Holotype ♂ 1: 3130 µm; a = 18.6, b = 8.6, c = 9.7, Spic = 69 µm 21 117 168 82 – 332 V 2828 Paratype ♀ 1: 3145 µm; a = 17.9, b = 9.5, c = 8.0, V % = 44.1% 23 104 176 80 Description Body rather large cylindrical, tapering towards both extremities. Cuticle not punctated but with transverse striation most obvious at anterior and posterior extremities. Buccal cavity small cup-shaped, surrounded by six short outer labial, 1.5 – 2 μm long and four cephalic setae, 9 – 13 μm long. Amphidial fovea spiral, with 3.25 – 3.75 turns and occupying 47 – 57% of corresponding body diameter. Four sublateral rows of 10 – 11 cervical setae 8 – 10 μm long. Pharynx gradually swollen posteriorly, not forming a true bulb. Cardia small, muscular, surrounded by intestinal tissue. Ventral gland situated posterior to pharynx and excretory pore about level nerve ring. Nerve ring at 55 – 61% of pharynx length from anterior end. Tail slender, with rather broad, conical anterior portion and rather narrow cylindrical posterior portion. Tail 3.7 – 4.5 times of the anal body diameter with numerous short setae. Tail tip not enlarged, with 15 µm long three terminal setae. Caudal glands not always visible and spinneret well developed. Males. Reproductive system with two opposite outstretched testes. Spicules ...