oxyrhynchus, Trygon (Himantura) Sauvage [H.-E.] 1878:91 [6] [Bulletin de la Société philomathique de Paris (7th Série) v. 2; ref. 19968] Saigon, southern Vietnam. Holotype (unique): MNHN 0000-9639. Type catalog: Bertin 1939:86 [ref. 20739], Séret & McEachran 1987:19 [ref. 9312]. Specific name is a noun. •Synonym of Himantura uarnak (Forsskål 1775) -- (Kottelat 1984:794 [ref. 11440]). •Valid as Himantura oxyrhyncha (Sauvage 1878) -- (Compagno 1999:496 [ref. 25589], Compagno in Randall & Lim 2000:583 [ref. 25122], Deynat & Fermon 2001:163 [ref. 25563], Vidthayanon & Roberts 2006:124 [ref. 28695], Last el al. 2010:204 [ref. 32461], Naylor et al. 2012:71 [ref. 32267] see remarks, Weigmann 2016:136 [ref. 34211]). •Valid as Himantura oxyrhynchus (Sauvage 1878) -- (Last & Compagno 1999:1503 [ref. 24639], Kottelat 2013:26 [ref. 32989]). •Valid as Fluvitrygon oxyrhynchus (Sauvage 1878) -- (Last et al. 2016:360 [ref. 34581] as oxyrhyncha, Last et al. 2016:543 [ref. 35010], Iqbal et al. 2017:83 [ref. 35489], Taki et al. 2021:38 [ref. 39830]). Current status: Valid as Fluvitrygon oxyrhynchus (Sauvage 1878). Dasyatidae: Urogymninae. Distribution: Eastern Indian Ocean, western Pacific: Cambodia, Thailand, Sumatra and Borneo. Habitat: freshwater, brackish.