Harpiosquilla japonica

Harpiosquilla japonica

Chloridella raphidea.—Rathbun, 1902, p. 55 [not Squilla raphidea Fabricius].

Squilla raphidea.—Fukuda, 1913, pp. 70, 72, figure on p. 71 [not S. raphidea Fabricius] [in Japanese].

HOLOTYPE.—1 ♀ , 172 mm; Wakanoura, Kii, Japan; Jordan and Snyder, col.; 1900; SI Crust. 26340.

PARATYPES.—1 ♂ , 165 mm; 1 ♀, 135 mm; data as in holotype; SI Crust. 125718.

DIAGNOSIS.—Size moderate, adults with TL less than 175 mm; antennular peduncle not so long as carapace; corneal indices ranging between 325 and 337 (Table 1); rostral plate (Figure 10) with length and width subequal, apex rounded or obtusely angled, lacking slender anterior projection; carapace with median carina; upper margin of propodus of claw with smaller spines and denticles between largest spines; dactylus of claw with 8 teeth; fifth thoracic somite (Figure 11) rounded laterally; posterior 3 thoracic somites with submedian and intermediate carinae, none armed posteriorly; ventral keel of eighth thoracic somite rounded; all 6 abdominal somites with submedian

carinae, abdominal carinae spined as follows: submedian 6, intermediate 3–6, lateral 1–6, marginal 1–5; denticles 4–6, 10–11,1; marginal carina of telson less than twice as long as carina of lateral tooth; postanal keel extending about halfway between anus and posterior margin; color of uropodal exopod unknown.

COLOR.—Completely faded in the type-specimens.

SIZE.—Only male examined, TL 165 mm; females TL 135–172 mm.

Other measurements (in mm) of male: carapace length 34.1; cornea width 10.5; antennular peduncle length 32.4; rostral plate length 5.4, width 5.4; fifth abdominal somite width 35.3; telson length 31.3, width 30.3.