lactogeneus, Nemacheilus Roberts [T. R.] 1989:107, Fig. 82 [Memoirs of the California Academy of Sciences No. 14; ref. 6439] Kapuas mainstream 58 kilometers northeast of Sintang and 1 kilometer downstream from Sebruang, Indonesia. Holotype: MZB 3542. Paratypes: CAS 49355 (1). •Valid as Nemacheilus lactogeneus Roberts 1989 -- (Kottelat et al. 1993:55 [ref. 23448], Bănărescu & Nalbant 1995:435 [ref. 23187], Doi 1997:16 [ref. 22832], Hadiaty & Siebert 2001:186 [ref. 25685], Kottelat & Widjanarti 2005:156 [ref. 28284]). •Synonym of Nemacheilus longipinnis Alh 1922 -- (Kottelat 2012:91 [ref. 32367], Kottelat 2013:201 [ref. 32989]). Current status: Synonym of Nemacheilus longipinnis Ahl 1922. Nemacheilidae. Distribution: Indonesia (if valid). Habitat: freshwater.