2957 Author Ho, Hsuan-Ching Author Shao, Kwang-Tsao text Zootaxa 2011 2011-07-08 2957 1 74 journal article 1175­5334 37. Hexatrygon yangi Shen and Liu, 1984:201 , figs.1–11 = Hexatrygon bickelli Heemstra and Smith Holotype : NTUM 06100 (1040 TL), Tung –kong [Tongkang] fish market, southwestern coast of Taiwan , 500 m , 29 Nov. 1984 . Dasyatidae (055)