The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- G. E. MacGinitie, Ecological aspects of a California marine estuary, Am. Midland Nat. 16(5):629-765, from p. 652 (1935).
- Murina, G. (2014). Urechis Seitz, 1907. Accessed through: World Register of Marine Species at http://www.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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