биота российских вод японского моря - Materials of Alexey Shipunov

8. Nymphon uniunguiculatum Losina-Losinsky, 1933(Pl. VI, figs. 9–16)Losina-Losinsky, 1933: 62–64, fig. 12; 1961: 72; Hedgpeth, 1949: 263, fig. 29; Kim,1984: 534, fig. 3a–f; Hong & Kim, 1987: 161; Turpaeva, 2004a: 1096.Description. Trunk smooth; cephalic segment longer than three other segmentscombined; anterior part of it greatly expanded; neck slender, tapering toward base.Lateral processes long, twice as long as broad; intervals between them equal or longerthan their own diameters. Proboscis cylindrical, considerably shorter than cephalicsegment. Ocular tubercle low, cylindrical, with flat top and two bumps on sides; eyeslarge. Abdomen short, pointed obliquely upward. Chelifore almost 3 times longer thanproboscis; scape much longer than proboscis, thin; chela thin, too, slightly shorter thanscape; palm almost cylindrical; fingers slightly shorter than palm, thin, bearingnumerous densely placed teeth on inner margins. Palp very thin, 3 times longer thanproboscis, like chelifore; segment 2 longest; segment 3 slightly shorter; equalsegments 4 and 5 slightly shorter than segment 3. Oviger in males twice longer thantrunk; segment 5 longest, segments 7 to 10 almost equal in length, bearing welldevelopeddensely set lanceolate, serrate compound spines, having two lateral teetheach. Compound spines on distal ends of segments often without lateral teeth.Terminal claw with small denticles. Legs thin, male legs 7 times longer than trunk,bearing few setae; 1st coxa shortest; 2nd coxa 4 times longer than 1st one, havingdistal projection with genital pore; 3rd coxa more than 1.5 times longer than 1st one;femur much shorter than tibia 1; female femur expanded; tibia 1 shorter than tibia 2;tarsus in males almost 4 times (in females – 3 times) shorter than tibia 2; propodus 1.5times shorter than tarsus; tarsus and propodus both thin and straight. Propodal solecovered with minute setules, devoid of even small spines. Main claw slightly longerthan half of propodus, no auxiliary claws. Measurements of male (holotype): trunk5.3 mm, proboscis 1.75 mm, chelifore 5.05 mm, palp 5.15 mm, 3rd leg 37.5 mm.Female (paratype) larger than male: trunk 6.15 mm, chelifore 5.95 mm, palp 6.3 mm,3rd leg 51.05 mm.Geographical distribution. In the Russian waters of the Sea of Japan N.uniunguiculatum is found in Peter the Great Bay. It also occurs near the coasts ofHokkaido and Honshu islands, the north-western coast of Korea, and off the SouthKurils.Vertical distribution. The species has been recorded at depths of 150–770 m.*Nymphon albatrossi Hedgpeth, 1949(Pl. VIII, figs. 6–10)Hedgpeth, 1949: 263–266, fig. 30.N. albatrossi occurs in the south-eastern part of the Sea of Japan near the westerncoast of Honshu Island, from Toyama Bay to the Korea Strait, also south and west ofKyushu Island in depths from 150 to 800 m.104