argyrogaster, Nemacheilus Kottelat [M.] 2021:278, Figs. 1-4 [Zootaxa 4933 (no. 2); ref. 38162] Confluence of Xe Kong and Houai Peung, downstream of Ban Kaleum, Xe Kong watershed, Mekong River basin, Xe Kong Province, Laos, 15°42'54"N, 106°48'9"E. Holotype: MHNG 2785.032. Paratypes: CMK 21663 (26), CMK 21684 (3), ZRC 61628 (6). Plus additional non-type material. Originally in 'Nemacheilus'. •Valid as Nemacheilus argyrogaster Kottelat 2021 -- (Kottelat 2022:99 [ref. 39206] in 'Nemacheilus'). Current status: Valid as Nemacheilus argyrogaster Kottelat 2021. Nemacheilidae. Distribution: Southeast Asia: Xe Kong drainage, Mekong River basin, southern Laos. Habitat: freshwater.