Formosania Oshima [M.] 1919:194 Fem. Formosania gilberti Oshima 1919. Type by original designation (also monotypic). Misspelled Formosiana in Zoological Record for 1919. •Valid as Formosania Oshima 1919 -- (Silas 1953:229 [ref. 4024] but with type as lacustre Steindachner). •Synonym of Crossostoma Sauvage 1878 -- (Chen 1980:102 [ref. 6901], Zheng in Pan et al. 1991:272 [ref. 23876], Chen & Tang in Yue et al. 2000:465 [ref. 25272]). •Valid as Formosania Oshima 1919 -- (Novák et al. 2006:92 [ref. 28661], Ho & Shao 2011:31 [ref. 31432], Kottelat 2012:60 [ref. 32367], Zhang et al. 2016:158 [ref. 34477], Sun et al. 2023:207 [ref. 40543]). Current status: Valid as Formosania Oshima 1919. Gastromyzontidae.