P. unidens Bate, 1888

Description. Rostrum far overreaching antennal scale, armed dorsally with 7 or 8 teeth, including 3 on carapace posterior to level of orbital margin and 1 isolated in anterior 1/4 of rostrum, 3 posteriormost teeth with distinct basal sutures but none with barbed tips, armed ventrally with 10–20 teeth; abdomen with 3rd somite lacking posteromesial tooth but with median dorsal carina typically forming obtuse tooth anterior to posterior margin of somite; eye kidney-shaped, maximum diameter about 1/3 carapace length, ocellus obliquely oval, slightly constricted at junction with cornea; 3rd maxilliped with epipod, penultimate segment about 4/5 as long as terminal segment; 2nd pereopods very unequal with epipods, left one longer with more than 200 carpal articles, right with 33–36 (Chace 1985).

Distribution. Bay of Bengal, South and East China seas, Japan, Philippines and Indonesia; at depths of 184– 400m (Li 2006b).