olivaceus, Nemachilus Boulenger [G. A.] 1894:250 [Annals and Magazine of Natural History (Series 6) v. 13 (no. 75) (art. 26); ref. 535] Bongon, northern Borneo. Lectotype: BMNH 1893.5.30.63. Paralectotype: BMNH 1893.5.30.64-67 (4). Original genus is correctly Nemacheilus. Lectotype selected by Kottelat 1984:234. •Valid as Nemacheilus olivaceus Boulenger 1894 -- (Kottelat et al. 1993:55 [ref. 23448], Doi 1997:16 [ref. 22832], Martin-Smith & Tan 1998:587 [ref. 23647], Hadiaty & Kottelat 2010:45 [ref. 30914], Kottelat 2012:91 [ref. 32367], Kottelat 2013:201 [ref. 32989], Wilkinson & Tan 2018:602 [ref. 36226]). Current status: Valid as Nemacheilus olivaceus Boulenger 1894. Nemacheilidae. Distribution: Northern Borneo. Habitat: freshwater.