| Citation | Kott, P., 2005 Catalogue of Tunicata in Australian Waters. Queensland Museum, Brisbane, Australia Department of the Environment and Heritage. |
| Ref. | 1134 Kott, P., 2005 |
| Page | 105 |
| Named Used as Valid | Synoicum concavitum |
| Locality | Eclipse Island, Southwest entrance to King George Sound, Western Australia. |
| Distribution | Known only from type locality. |