namnaensis, Sinogastromyzon Nguyen [V. H.] 2006:610, Fig. 38 [Freshwater fishes of Vietnam v. 2; ref. 29730] Nâm Na River, Lai Châu Province, Vietnam. Holotype: NCNTTS I (lost). Paratypes: (3) lost. Types at RIA 1 [= NCNTTSI] are lost according to Endruweit 2014:144 [ref. 33205]. •Valid as Sinogastromyzon namnaensis Nguyen 2006 -- (Kottelat 2012:56 [ref. 32367], Kottelat 2013:190 [ref. 32989], Endruweit 2025:32 [ref. 42401] as namnaense). Current status: Valid as Sinogastromyzon namnaensis Nguyen 2006. Balitoridae. Distribution: Southeast Asia: Red River system,Lai Châu (Vietnam). Habitat: freshwater.