| Ref. | Description | Named Used | Page |
|---|---|---|---|
| 833 | Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. | Notopygos labiatus | |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. | Notopygos labiatus | |
| 82601 | Paxton, H. and L.M. Chou 2000 Polychaetous annelids from the South China Sea. | Notopygos labiatus | 212 |
| 82624 | Natividad, F. and V.S. Palpal-Latoc 1986 Philippine Annelids. | Notopygos labiatus | 326 |