P. gangelica ^ZBK:

BMNH 1860.3.19.735 (holotype of Silurus afghana ^ZBK), 110.3 mm SL; India: Assam. CAS 141890 (1), 136.5 mm SL; ZSI F13421/1 (3), 81.5-111.1 mm SL; India: West Bengal, Tista river drainage, Kalimpong Duars and Siliguri Terai. ZMH 2679 (1), 176.8 mm SL; Bhutan: Jamdura.