| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 485 | UNEP-WCMC 2003 UNEP-WCMC Species Database. http://www.unep-wcmc.org. | 2003 | Protankyra brychia | --> |
| 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 brychia | --> |
| 111335 | Pawson, D.L., D.J. Vance, C.G. Messing, A. Solis-Marin and C.L. Mah 2009 Echinodermata of the Gulf of Mexico. pp. 1177-1204 In Felder, D.L.; Camp, D.K. (eds.) Gulf of Mexico - Origins, Waters, and Biota. Biodiversity. Texas A&M University Press, College Station, Texas. | 2009 | Protankyra brychia | 1203 |