Tang, W.-Q. & Wu, H.-L. & Yang, D.-K. (2009)
Etmopterus spinax (Linnaeus, 1758), a newly recorded species of the family Sqalidae from China. Acta Zootaxonomica Sinica, 34(3), 696–698

Jeong, C.-H. & Nakabo, T. & Wu, H.-L. (2007)
A new species of skate (Chondrichthyes: Rajidae), Okamejei mengae sp. nov., from the South China Sea. Korean Journal of Ichthyology, 19(1), 57–65