vietnamica, Microphysogobio Mai [D. Y.] 1978:199, Fig. 91 [Identification of the fresh-water fishes of North Viet Nam v. 1; ref. 13511] Northern Vietnam. Holotype (unique): DVZUT. •Status uncertain, as Microphysogobio vietnamica Mai 1978 -- (Kottelat 2001:30 [ref. 25482], Ying et al. 2011:66 [ref. 31333], Kottelat 2013:124 [ref. 32989], Huang et al. 2017:[13] [ref. 35245]). •Valid as Microphysogobio vietnamica Mai 1978 -- (Sun et al. 2024:182 [ref. 41617]). •Valid as Oriengobio vietnamica (Mai 1978) -- (Sun et al. 2025:2032 [ref. 42472]). Current status: Valid as Oriengobio vietnamica (Mai 1978). Gobionidae. Distribution: Southeast Asia: Guangdong Province, southern China and northern Vietnam. Habitat: freshwater.