marginatus, Trygon Blyth [E.] 1860:38 [Journal of the Asiatic Society of Bengal v. 29 (no. 1); ref. 16970] Calcutta fish market, India. No types known. •Valid as Himantura marginata (Blyth 1860) -- (Talwar & Jhingran 1991:46 [ref. 20764], Last & Compagno 1999:1502 [ref. 24639], Compagno 1999:496 [ref. 25589], Compagno in Randall & Lim 2000:583 [ref. 25122], Sujatha 2002:157 [ref. 26899], Khan 2003:6 [ref. 27710], Weigmann 2016:136 [ref. 34211], Habib & Islam 2020:Supplementary table p. 3 [ref. 38321], Haroon & Kibria 2021:106 [ref. 39241]). Current status: Valid as Himantura marginata (Blyth 1860). Dasyatidae: Urogymninae. Distribution: Indian Ocean, possibly western Pacific. Habitat: brackish, marine.