| Ref. | Description | Named Used | Page |
|---|---|---|---|
| 485 | UNEP-WCMC 2003 UNEP-WCMC Species Database. | Peniagone azorica | |
| 833 | Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. | Peniagone azorica | |
| 59898 | Billett, D.S.M. 1991 Deep-sea holothurians. | Peniagone azorica |