A new species and subspecies of Ochlesidae Stebbing, 1910 (Amphipoda: Gammaridea) from the Okhotsk SeaAuthorLabay, Vjacheslav S.textZootaxa201023543544journal article4842110.5281/zenodo.1935329cdd5597-9a11-4ba8-9c55-ef18fd01b4091175-5326193532
Genus
Odius Lilljeborg, 1865
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
).