| 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. | Omphalotropis tumidula | |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. | Omphalotropis tumidula | |
| 89450 | IUCN 2011 IUCN Red List of Threatened Species. Version 2011.2. | Omphalotropis tumidula | |
| 127697 | IUCN 2022 The IUCN Red List of Threatened Species. Version 2022-1. | Omphalotropis tumidula |