Species that contain: Kryptopterus and macrocephalus [ 2 ] records

beldti, Cryptopterella Fowler [H. W.] 1944:2, Fig. [The Fish Culturist v. 24 (no. 1); ref. 5598] Borneo (aquarium fish). Holotype (unique): ANSP 71571. Type catalog: Böhlke 1984:156 [ref. 13621], Ferraris 2007:371 [ref. 29155]. •Questionably a synonym of Kryptopterus macrocephalus (Bleeker 1858) -- (Roberts 1989:148 [ref. 6439], Kottelat 2013:234 [ref. 32989]). •Species inquirenda in Kryptopterus -- (Ferraris 2007:371 [ref. 29155]). Current status: Uncertain as Kryptopterus macrocephalus (Bleeker 1858). Siluridae. Distribution: Borneo, Indonesia. Habitat: freshwater.

macrocephalus, Kryptopterichthys Bleeker [P.] 1858:293 [Acta Societatis Regiae Scientiarum Indo-Neêrlandicae v. 4 (art. 2); ref. 365] Padang, Sumatra (?). Holotype (unique): whereabouts unknown. Bleeker specimens or possible holotype: BMNH 1863.12.4.99 (1) or 1863.12.4.101 (1). Type catalog: Ferraris 2007:370 [ref. 29155]. Illustrated as Silur. Pl. 41 (fig. 1 not 2) [cumulative Pl. 89], published in Bleeker 1863 [ref. 393]. See van Oijen et al. 2009:257 [ref. 30423]. •Valid as Kryptopterus macrocephalus (Bleeker 1858) -- (Roberts 1989:147 [ref. 6439], Burgess 1989:86 [ref. 12860], Kottelat et al. 1993:69 [ref. 23448], Kottelat & Lim 1996:240 [ref. 23210], Tan & Ng 1999:284 [ref. 24254], Ng et al. 2004:94 [ref. 27647], Parenti & Lim 2005:191 [ref. 28285], Ferraris 2007:370 [ref. 29155], Ng & Kottelat 2013:315 [ref. 32548], Kottelat 2013:234 [ref. 32989], Ng et al. 2019:531 [ref. 36606]). Current status: Valid as Kryptopterus macrocephalus (Bleeker 1858). Siluridae. Distribution: Southeast Asia: Thailand, Malaya (Malaysia), Sumatra (Indonesia), Borneo. Habitat: freshwater.