P. yui Chan & Crosnier, 1991

Description. Rostrum directed somewhat dorsad, 0.95–1.85 times as long as carapace and armed with 26–45 dorsal teeth and 18–40 ventral teeth, posterior 10 ventral teeth corresponding to 4–8 dorsal teeth; 3rd maxilliped with rudimentary epipod, penultimate segment 1.4–1.6 times longer than terminal segment, two segments combined slightly longer than carapace; 2nd pereiopods subequal with 21–38 carpal articles (Chan & Crosnier 1991).

Distribution. Known only from Taiwan at depths of 130 m (Chan & Crosnier 1991).