luctuosus, Cynoglossus Chabanaud [P.] 1948:813 [Annals and Magazine of Natural History (Series 11) v. 14 (no. 119) (art. 74); ref. 13044] Tannur, Madras, India. Holotype: BMNH 1932.2.6.8. Paratypes: BMNH 1932.2.6.1-7 and 1932.2.6.9 (8). Type catalog: Desoutter et al. 2001:348-349 [ref. 25922]. •Synonym of Cynoglossus macrostomus Norman 1928 -- (Menon 1977:72 [ref. 7071], Munroe 2022:377 [ref. 40234]). •Valid as Cynoglossus luctuosus Chabanaud 1948 -- (Fricke et al. 2017:84 [ref. 35160]). Current status: Valid as Cynoglossus luctuosus Chabanaud 1948. Cynoglossidae: Cynoglossinae. Distribution: Northern Indian Ocean: India. Habitat: brackish, marine.