rudis, Trygon Günther [A.] 1870:479 [Catalogue of the fishes in the British Museum v. 8; ref. 1995] Old Calabar River, Nigeria. Holotype (unique): BMNH 1982.4.20.52 (dry, not found). •Valid as Dasyatis rudis (Günther 1870) -- (Springer & Collette 1971:338 [ref. 21157], Compagno & Roberts 1984:285 [ref. 8237], Capapé & Desoutter 1990:62 [ref. 19317], Séret in Lévêque et al. 1990:66 [ref. 21589], Compagno 1999:496 [ref. 25589], Santos et al. 2004:10 [ref. 27848], Santos & Carvalho 2004:17 [ref. 28040], Carvalho et al. 2007:155 [ref. 30012], Weigmann 2016:133 [ref. 34211] possibly invalid, Séret 2016:1419 [ref. 34545]). •Valid as Hypanus rudis (Günther 1870) -- (Last et al. 2016:356 [ref. 34581], Last et al. 2016:570 [ref. 35010], Almeida & Biscoito 2019:173 [ref. 37302], Reiner 2019:46 [ref. 38139], Petean et al. 2020:1133 [ref. 37830], Fermon et al. 2022:107 [ref. 39448], Petean et al. 2024:7 [ref. 40884]). Current status: Valid as Hypanus rudis (Günther 1870). Dasyatidae: Dasyatinae. Distribution: Eastern Atlantic: Nigeria south to ?Gabon, including São Tomé and Principe. Habitat: brackish, marine.