hesperius, Kryptopterus Ng [H. H.] 2002:70, Fig. 3 [Ichthyological Exploration of Freshwaters v. 13 (no. 1); ref. 26067] Kwae Noi River at Sai Yok, Kanchanaburi Province, Thailand. Holotype: ZMUC P28551. Paratypes: ZMUC P28639 (1). Type catalog: Ferraris 2007:370 [ref. 29155]. •Valid as Kryptopterus hesperius Ng 2002 -- (Ng 2003:1 [ref. 27568], Ferraris 2007:370 [ref. 29155], Kottelat 2013:233 [ref. 32989]). Current status: Valid as Kryptopterus hesperius Ng 2002. Siluridae. Distribution: Mae Khlong River basin, western Thailand. Habitat: freshwater.