| شماره مرجع | Description | سال | 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 pseudo-digitata | 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 pseudodigitata | --> |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Protankyra pseudodigitata | --> |