sumatrana, Plagusia Bleeker [P.] 1854:529 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 5 (no. 3); ref. 5965] Benculen, Sumatra, Indonesia. Holotype (unique): RMNH 6787 (poor condition). Bleeker specimens: BMNH 1862.6.3.9 (1). •Synonym of Cynoglossus cynoglossus (Hamilton 1822) -- (Menon 1977:68 [ref. 7071], Munroe 2001:3898 [ref. 26314] as sumatranus dated 1851, Kottelat 2013:466 [ref. 32989]). Current status: Synonym of Cynoglossus cynoglossus (Hamilton 1822). Cynoglossidae: Cynoglossinae. Habitat: brackish, marine.