| 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. | Acanthella klethra | |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. | Acanthella klethra | |
| 81232 | Barnes, D.K.A. and J.J. Bell 2002 Coastal sponge communities of the West Indian Ocean: taxonomic affinities, richness and diversity. | Acanthella klethra | 341 |