| 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 | Irus elegans | --> |
| 101574 | Morley, M.S. 2004 A Photographic Guide to Seashells of New Zealand. New Holland Publishers (NZ) Ltd. | 2004 | Irus elegans | 58 |
| 8121 | Spurgeon, A. 2007 New Zealand Mollusca. http://www.mollusca.co.nz/index.php | 2007 | Irus elegans | --> |