Notostomus japonicus Bate, 1888

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 46

Notostomus japonicus Bate, 1888

( Figs. 10M–P)

Notostomus japonicus Bate, 1888: 830 , pl. 135, fig. 1. — Kozloff 1974: 163. — Butler 1980: 63. — Krygier & Pearcy 1981: 83. — Chace 1986: 53, figs. 28j–l, 29 h–i. — Hendrickx & Estrada-Navarrete 1989: 115. — Wicksten 2002: 136.

Diagnosis. Exoskeleton thin. Rostrum longer than scaphocerite, slender, with 55–83 small teeth extending posteriorly on most of carapace, 10–18 ventral teeth. Carapace arched in anterior portion, with antennal, branchiostegal teeth, two lateral carinae running posteriorly from rostrum, elongated anterior lateral carina, two posterior carinae running length of carapace from orbit to posterior margin, branchial carina extending from branchiostegal tooth to posterior margin, vertical carina between anterior part of branchial carina, carina posterior to eye. Antennular peduncle short. Scaphocerite with broad blade, lateral tooth exceeding blade. Third maxilliped longer than first pereopod. Pereopods 1, 2 shorter than pereopods 3–5, which have simple dactyls, pereopod 5 with more setose dactyl than anterior two pairs pereopods. All abdominal somites with dorsomedial carina, somites 3–6 with posterior dorsal tooth. Telson with dorsal groove, 3 or 4 pairs dorsolateral spines, blunt apex with 5 distal spines. Male total length 151 mm, female 153 mm.

Color in life. Crimson, carinae darker.

Habitat and depth. Pelagic, 450–5380 m.

Range. Japan, Hawaiian Is., Oregon. Type locality off Honshu , Japan.