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. (2015). Urechis. Accessed through: World Register of Marine Species at
  • Stephen, A. C., and S. J. Edmonds. 1972. The Phyla Sipuncula and Echiura. vii + 528


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