| Citation | Zenkevitch, L.A., 1966 Shallow water Echiuroidea from the Galathea Expedition. Videnskabelige Meddelelsa Naturhistorisk Forening Kjøbenhavn, 129:275-277. |
| Ref. | 1559 Zenkevitch, L.A., 1966 |
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| Named Used as Valid | Urechis unicinctus |
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