Odius cassigerus subsp. ochoticus Labay, 2010, subsp. n.

• Main Author: Labay, Vjacheslav S.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2010
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Odiidae; Odius; Odius cassigerus; Odius cassigerus ochoticus; Okhotsk; okhotsk sea
• Online Access: https://zenodo.org/record/6205739; https://doi.org/10.5281/zenodo.6205739

Odius cassigerus ochoticus, subsp. n. Figs. 5–8 Material. Holotype: Okhotsk Sea, 12 Aug. 2007, 54° 82 'N, 144 ° 43 'E, 200 m, female, length 16 mm. Collection of a Museum of Marine Biology Institute, Vladivostok: N 18861. Paratype: 1 male, length 8 mm. Collection of a Museum of Marine Biology Institute, Vladivostok: N 18861. Diagnosis. Body with dorsal carination on pereonites 1–4 and with distinct teeth on pereonites 5–7 and on all plronites. Lower corner of cephalon subrectangular. Epimeral plate 3 with obtuse tooth medially. Posterior margin of bases of pereopods 5–7 with large triangular teeth in distal part. Maxilla 1 palp 1 -articulate, short, about 1 / 5 of the outer plate length; with one setae on the distal margin. Maxilliped palp 4 -articulate. Carpus lobe of preopod 2 (gnathopod 2) exceeding 1 / 2 of propodus length. Telson cleft 1 / 7. Description. Body with dorsal carination on pereonits 1–4, with distinct teeth on pereonits 5–7 and on all pleonites (fig. 5). Sculpture of cover with large punctuation. Rostrum well-developed, reaching ½ of peduncle article 2 antenna 1 length. Lower corner of cephalon subrectangular. Pereonite 1 forming a sharp visor on an anterior margin that covers a posterior part of cephalon. Coxa 1–3 long, slightly curved anteriorly (fig. 7 a,c.e). Coxa 1 rounded, pointed distally. Coxa 2 with smoothly rounded right angle anterodistally. Coxa 3 with acute angle anterodistally. Coxa 4 excavated with obtuse posterodistal angle (fig. 7 f). Coxa 5–7 with processed posterior lobe. Eye medium size, long reniform, about 1 / 3 of the head height. Antenna 1 no longer than antenna 2; accessory flagellum lacking; flagellum with numerous short sensory setae along lower margin (fig. 6 a). Antenna 2 with short flagellum which is slightly longer than last peduncle article (fig. 6 b). Mandible narrow conical, claw shaped; incisor multidentate, accessory plate present on left side; molar prominent, setose; short spine and setae row present between incisor and molar (fig. 6 d,e). Palp of mandible ...