roulei, Cynoglossus Wu [H.-W.] 1932:153 [Contribution à l'étude morphologique, biologique et systématique des poissons hétérosomes (Pisces Heterosomata) de la Chine; ref. 16406] Kwang-Tung, China. Holotype (unique): whereabouts unknown. Non-types: BMNH 1860.7.28.48 (1), 1924.12.15.64 (1). Type catalog: Desoutter et al. 2001:349 [ref. 25922] as not type at MNHN. •Synonym of Cynoglossus semilaevis Günther 1873 -- (Menon 1977:92 [ref. 7071], Lindberg & Fedorov 1993:209 [ref. 21500], Desoutter et al. 2001:349 [ref. 25922]). •Valid as Cynoglossus roulei Wu 1932 -- (Li & Wang 1995:366 [ref. 16193], Fricke et al. 2017:85 [ref. 35160]). Current status: Valid as Cynoglossus roulei Wu 1932. Cynoglossidae: Cynoglossinae. Distribution: China, Yellow Sea and East China Sea. Habitat: freshwater, brackish, marine.