hypercorpus, Sinogastromyzon Nguyen [V. H.] 2005:603, Fig. 34 [Freshwater fishes of Vietnam v. 2; ref. 29730] Nâm So Creek, Muong So, Phong Thô, Lai Châu Province, Vietnam. Holotype (unique): NCNTTS I (lost). Types at RIA 1 [= NCNTTSI] are lost according to Endruweit 2014:144 [ref. 33205]. •Questionably valid as Sinogastromyzon hypercorpus Nguyen 2005 -- (Kottelat 2012:55 [ref. 32367], Kottelat 2013:190 [ref. 32989]). Current status: Uncertain as Sinogastromyzon hypercorpus Nguyen 2005. Balitoridae. Distribution: Nâm So Creek, Muong So, Phong Thô, Lai Châu Province, Vietnam. Habitat: freshwater.