A new species and subspecies of Ochlesidae Stebbing, 1910 (Amphipoda: Gammaridea) from the Okhotsk Sea Author Labay, Vjacheslav S. text Zootaxa 2010 2354 35 44 journal article 48421 10.5281/zenodo.193532 9cdd5597-9a11-4ba8-9c55-ef18fd01b409 1175-5326 193532 Genus Odius Lilljeborg, 1865
Otus Bate, 1862: 125
Odius Lilljeborg, 1865: 18 ; Stebbing, 1906: 210; Coleman & Barnard, 1991: 262; Berge, Vader & Coleman, 1998: 246.
Imbrexodius Moore, 1992: 919 , new synonymy.
Type species of the genus Odius carinatus (Bate, 1862) , original description: Otus carinatus Bate, 1862 . Diagnosis and relationship (emended from J. Berge, W. Vader and C. O . Coleman, 1998 with remarks). – Body with dorsal keel; eyes reniform; labrum narrow, incised; base of mandible narrow conical, palp at same level as molar, projection of hingeline present (fig. 6e), incisor toothed and pointed; maxilla 1 palp 1- articulate, small, carrying one setae, as in fig. 6g , 6h; inner plate with 2 plumose setae on the apex; maxilliped palp 4-articulate; pereopod 1 chelate; palm of propodus forming a motionless finger of chela, with short spine at the posterodistal corner; propodus of pereopod 2 enlarged (its distal margin is approximately 1.5 time wider than proximal one); carpus shorter than propodus; matasome 1 and 2 dorsally produced; metasome dorsal projection acute and upright; telson cleft. The genus includes 3 species: Odius carinatus (Bate, 1862) from the Arctic Ocean, boreal Pacific Ocean and boreal Atlantic Ocean, Odius cassigerus Gurjanova, 1972 from the southern Okhotsk Sea ( Gurjanova, 1951 , 1972 ) and Odius polarsterni ( Brandt et Vassilenko, 1995 ) , original description Imbrexodius polarsterni Brandt et Vassilenko, 1995 from Arctic Region (northeastern Greenland ).