| 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 | 38 |
| Named Used as Valid | Didemnum cygnuus |
| Locality | Rocky Bay, Swan River estuary, Western Australia. |
| Distribution | Australia. |