P. nudus ^ZBK:

ROM 42576, paratypes 8 (10.1-18.7). 11.7 km northwest of Honiara, Guadalacanal Island, Solomon Islands. 09°20' S, 159°45' E. 18-22 m. 14 Mar 1983. Winterbottom et al. ROM 53193, 25 (10.5-19.8), 3 C&S (15.5-16)- ROM 1731 CS. North side of mouth Bais Bay near main channel; Tanon Strait; Negros Island; Negros Oriental; Philippines. 09°36'54" N, 123°11'06" E. 18.3-35.1 m deep. 19 May 1987. Winterbottom et al.