| 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. | Metalasma crassum | |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. | Metalasma crassum | |
| 100309 | Jones, D.S. 2007 The Cirripedia of New Caledonia. | Metalasma crassum |