taiwanensis, Hexatrygon Shen [S.-C.] 1986:175, Figs. 1d, 2-5 [Journal of Taiwan Museum v. 39 (no. 1); ref. 8041] Fish market, Tung-Kong [Tongkang], southwestern coast of Taiwan, trawled at a depth of 370 meters. Holotype: NTUM 06505. Type catalog: Ho & Shao 2011:20 [ref. 31432]. •Valid -- (authors). •Questionably a synonym of Hexatrygon bickelli Heemstra & Smith 1980 -- (Compagno & Last 1999:1477 [ref. 24637], Compagno 1999:494 [ref. 25589]). •Synonym of Hexatrygon bickelli Heemstra & Smith 1980 -- (Compagno et al. 2005:69 [ref. 29145], Endo & Machida 2005:51 [ref. 30827], Babu et al. 2011:137 [ref. 31420], Ho & Shao 2011:20 [ref. 31432], Weigmann 2016:144 [ref. 34211]). Current status: Synonym of Hexatrygon bickelli Heemstra & Smith 1980. Hexatrygonidae. Habitat: marine.