Amblyops, G. O. Sars, 1872

Murano, Masaaki, 2012, The Genus Amblyops (Crustacea: Mysida: Mysidae: Erythropinae) from East Asia and Australia, with Descriptions of Ten New Species, Species Diversity 17 (1), pp. 49-85 : 81

Amblyops sp. 3

(Fig. 24)

Material examined. On e adult(?) male (damaged, ca. 15 mm), NSMT-Cr 21369, “Tansei Maru”, KT-66- 14 Cruise, St . 184-6, 34°43 .5′N 139°37.2′E to 34°40 .0′N 139°38 .5′E east of Izu-Ohshima Island , Izu Islands, Japan (depth of sea oor, 1990 m), 24 July 1966, 03:07–04:42, oblique+horizontal haul (from 1750 to 600 m) with ORI net.

Remarks.A positive identi cation to species is impossible because of the lack of the telson. fflis specimen is characterized by the following features: (1) the eyeplate (Fig. 24A, B) is considerably wider than long and provided with a conspicuous papilliform projection on the anteromedian margin; (2) the antennal scale (Fig. 24A, C) is elongated (four times as long as wide) and extends beyond the distal margin of the antennular peduncle by more than half its length; (3) the genital organ of the male (Fig. 24D) is conical and armed with two hooked setae on the apex; (4) a small and conical sternal process (Fig. 24E) is present between the genital organs; (5) the rst male pleopod (Fig. 24F) has a 15-segmented exopod and an unsegmented endopod extending to the seventh segment of exopod; and (6) the uropodal endopod (Fig. 24G) is armed with a single slender spine on the inner margin in the statocyst region.