| номер ссылки | Описание | год | Name used | Page |
|---|---|---|---|---|
| 77920 | Liu, L. 1997 A primarily research on echinoderm in the watershed around Guangxi Islands. Journal of Guangxi Academy of Science 13(1):8-11. | 1997 | Protankyra asymmetrica | 10 |
| 833 | Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. Brooks/Cole, Thomson Learning learning, Inc. 990 p. | 2004 | Protankyra asymmetrica | --> |
| 75930 | Jia, X., Z. Li, C. Li, Y. Qiu and J. Gan 2004 Studies on the ecosystem and commercial fisheries resources in commercial zone and the continental shelf in South China Sea. Science Publishing, Beijing, 647 p. | 2004 | Protankyra asymmetrica | --> |