| Citation | Romanov, V.N., 1974 Didemnidae (Ascidiacea) in the sublittoral zone of Iturup Island (Kuril Islands). Zoologicheskii Zh. 53(2):237-243. |
| Ref. | 7504 Romanov, V.N., 1974 |
| Page | |
| Named Used as Valid | Polysyncraton discoides |
| Locality | |
| Distribution | Kuril Island. |