| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 95371 | IUCN 2013 IUCN Red List of Threatened Species. Version 2013.2. IUCN 2013. IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded in November 2013. | 2013 | Holothuria unica | --> |
| 110479 | Samyn, Y. 2013 Holothuria unica. The IUCN Red List of Threatened Species 2013: e.T180317A1614221. http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T180317A1614221.en. Downloaded on 08 August 2016. | 2013 | Holothuria unica | --> |
| 127697 |
IUCN 2022 The IUCN Red List of Threatened Species. Version 2022-1. |
2022 | Holothuria unica | --> |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Holothuria uncia | --> |