The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Murina, G. (2015). Urechis. Accessed through: World Register of Marine Species at http://marinespecies.org/aphia.php?p=taxdetails&id=264946
- Stephen, A. C., and S. J. Edmonds. 1972. The Phyla Sipuncula and Echiura. vii + 528
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