| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 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 | Rhizaxinella pyrifera | --> |
| 80485 | Census of marine life's education and outreach team 2008 Census of Marine Life: 2007/2008 highlights report. University of Rhode Island Graduate School of Oceanography's Office of Marine Programs. | 2008 | Rhizaxinella pyrifera | 12 |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Rhizaxinella pyrifera | --> |