| Referens | Popkov, D.V., 1992 A new echiuran species Thalassema malakhovi (Echiura) from New Zealand. New Zealand Journal of Marine and Freshwater Research 26:379-383. |
| Ref. | 1179 Popkov, D.V., 1992 |
| Sida | 379 |
| Named Used as Valid | Urechis unicinctus |
| Observationsplats | |
| Distribution |