Hexatrygonidae, Heemstra & Smith, 1980

Elasmobranch, Its Implications For Global, Parasitology, Diversity And, Naylor, G. J. P., Sc, Caira, J. N., Ct, Jensen, K., Ks, Rosana, K. A. M., Fl, White, W. T., Csiro, Tas, Last, P. R., Csiro & Tas, 2012, A Dna Sequence-Based Approach To The Identification Of Shark And Ray Species And Its Implications For Global Elasmobranch Diversity And Parasitology, Bulletin of the American Museum of Natural History 2012 (367), pp. 1-262 : 88

Hexatrygonidae (sixgill stingrays)

Hexatrygon bickelii (sixgill stingray) ( fig. 66)

Two specimens of this unusual ray were included in the analysis. Both specimens came from Taiwan. They differed from one another by one base. These specimens represent only a small portion of the distribution of this species, which is patchily distributed from southern Africa to Hawaii.