macrognathus, Opisthopterus Bleeker [P.] 1866:299 [Nederlandsch Tijdschrift voor de Dierkunde v. 3; ref. 14051] Type locality: Jakarta, Java, Indonesia. (Original localities include: Jakara, Benkulen, Padang, Priaman, Sumatra; Singapore; Sinkawang, Sampit, Borneo.) Lectotype: RMNH 7125. Paralectotypes: (19) BMNH 1867.11.28.7 (1), ?NMV 45838 (1), RMNH 7125 (1), 24960 [ex RMNH 7125] (13). Lectotype selected by Whitehead et al. 1966. •Synonym of Opisthopterus tardoore (Cuvier 1829) -- (Whitehead 1985:294 [ref. 5141], Munroe et al. 1999:1767 [ref. 24728], Kottelat 2013:51 [ref. 32989]). Current status: Synonym of Opisthopterus tardoore (Cuvier 1829). Pristigasteridae. Habitat: brackish, marine.