favus, Trygon Annandale [N.] 1909:25, Pls. 1 (fig. 3), 3 (fig. 10) [Memoirs of the Indian Museum v. 2 (no. 1); ref. 126] Bay of Bengal, off Orissa coast, India. Holotype: BMNH 1909.7.12.22 (mouth), ZSI F2411/1 (skin). Type catalog: Menon & Yazdani 1968:97 [ref. 20743]. •Synonym of Himantura undulata (Bleeker 1852) -- (Last & Compagno 1999:1492 [ref. 24639], Weigmann 2016:138 [ref. 34211] see remarks). •Valid as Himantura fava (Annandale 1909) -- (Compagno & Roberts 1982:325 [ref. 8489], Compagno et al. 2005:74 [ref. 29145], Manjaji-Matsumoto & Last 2008:300 [ref. 29695]). Current status: Valid as Himantura fava (Annandale 1909). Dasyatidae: Urogymninae. Distribution: India, Indonesia and Gulf of Thailand. Habitat: marine.