macrostoma, Sinogastromyzon Liu [S.-W.], Chen [X.-Y.] & Yang [J.-X.] 2010:31, Fig. 2 [Environmental Biology of Fishes; ref. 30555] Amojiang River, Mojiang County, Yunnan China, 23°02'47.44"N, 101°46'49.48"E. Holotype: KIZ 2004015214 [ex KIZ 200401820]. Paratypes: many lots at KIZ. Type catalog: Du et al. 2013:353 [ref. 32939]. •Valid as Sinogastromyzon macrostoma Liu, Chen & Yang 2010 -- (Kottelat 2012:55 [ref. 32367], Kottelat 2013:190 [ref. 32989], Zhang et al. 2016:167 [ref. 34477]). •Synonym of Sinogastromyzon tonkinensis Nguyen 2006 -- (Endruweit 2025:33 [ref. 42401] as tonkinense). Current status: Valid as Sinogastromyzon macrostoma Liu, Chen & Yang 2010. Balitoridae. Distribution: East Asia: Black River drainage, Yunnan, China. Habitat: freshwater.