humilis, Hypergastromyzon Roberts [T. R.] 1989:92, Fig. 72 [Memoirs of the California Academy of Sciences No. 14; ref. 6439] Sungei Tamang, small forest stream flowing into Sungai Pinoh opposite mouth of Sungei Kelawai, Kalimantan Barat, Borneo. Holotype: MZB 3480. Paratypes: CAS 49333 (1). •Valid as Hypergastromyzon humilis Roberts 1989 -- (Roberts 1991:334 [ref. 20081], Kottelat et al. 1993:54 [ref. 23448], Doi 1997:19 [ref. 22832], Tan 2006:201 [ref. 28716], Kottelat 2012:64 [ref. 32367], Kottelat 2013:194 [ref. 32989], Tan 2021:337 [ref. 38615]). Current status: Valid as Hypergastromyzon humilis Roberts 1989. Gastromyzontidae. Distribution: Melawi River subbasin, Kapuas River basin, Kalimantan Barat, Borneo. Habitat: freshwater.