exiguus, Saurogobio Lin [S.-Y.] 1932:516 [Lingnan Science Journal, Canton v. 11 (no. 4); ref. 2781] South Kweichow, China. Holotype (unique): SYSU K102. •Valid as Microphysogobio exiguus (Lin 1932) -- (Bănărescu & Nalbant 1966:207 [ref. 20622], Naseka 1996:162 [ref. 22943], Ni et al. 2005:123 [ref. 28395] as exiguous in keys, Jiang & Zhang 2013:180 [ref. 32958]). •Valid as Platysmacheilus exiguus (Lin 1932) -- (Zheng et al. 1989:148 [ref. 21202], Jin in Pan et al. 1991:207 [ref. 23876], Ding 1994:286 [ref. 21531], Zhu 1995:81 [ref. 25213], Yue in Chen et al. 1998:339 [ref. 23878], Tang et al. 2001:13 [ref. 25373], Kottelat 2001:35 [ref. 25482] as cf. exiguus, Zhang et al. 2016:76 [ref. 34477] as exiguous, Guo 2021:265 [ref. 38617]). Current status: Valid as Platysmacheilus exiguus (Lin 1932). Gobionidae. Distribution: China. Habitat: freshwater.