yangi, Hexatrygon Shen [S.-C.] & Liu [C.-S.] 1984:201, Figs. 1-11 [Acta Oceanographica Taiwanica No. 15; ref. 17456] Tung-Kong [Tongkang] fish market, trawled off the southwestern coast of Taiwan, depth 500 meters. Holotype (unique): NTUM 06100. Type catalog: Ho & Shao 2011:20 [ref. 31432]. •Valid as Hexatrygon yangi Shen & Lu 1984 -- (Shen 1986:175 [ref. 8041]). •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. 2011:138 [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.