P. myersi:

CAS 49375, 3 paratypes, 42.9-86.1 mm SL; USNM 230280, 3 paratypes, 39.0- 73.6 mm SL; Borneo: Kalimantan Barat, small stream into Kapuas River, northeast of Gg. Setunggul, 53 km northwest of Sintang, 10 km northwest of Silat (0°24'N 111°51'E) .