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Containing group: Chaetognatha


Salvini-Plawen, L. W. 1986. Systematics notes on Spadella and on the Chaetognatha in general. Z. Zool. Syst. Evol. 24:122128.

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Tree of Life Web Project. 2006. Spadella. Version 06 September 2006 (temporary). http://tolweb.org/Spadella/14810/2006.09.06 in The Tree of Life Web Project, http://tolweb.org/

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