nigriloba, Crossochilus oblongus var. Popta [C. M. L.] 1904:200 [Notes from the Leyden Museum v. 24 (no. 4) (art. 6) (for Oct. 1902); ref. 3547] Bo River, Central Borneo. Syntypes: RMNH 7589 (3). Original genus is correctly Crossocheilus. •Status uncertain -- (Roberts 1989:32 [ref. 6439]). •Valid as Crossocheilus nigriloba Popta 1904 -- (Kottelat et al. 1993:34 [ref. 23448], Doi 1997:4 [ref. 22832], Su et al. 2000:215 [ref. 25281], Kottelat & Widjanarti 2005:149 [ref. 28284], Kottelat 2013:90 [ref. 32989], Ciccotto et al. 2017:282 [ref. 35402]). Current status: Valid as Crossocheilus nigriloba Popta 1904. Cyprinidae: Labeoninae. Distribution: Mahakam River basin, Borneo. Habitat: freshwater.