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Reference Westheide, W. 1997. The direction of evolution within the Polychaeta. J. Nat. Hist. 31:1-15.
Image Use This media file is in the Public Domain.
Attached to Group Annelida: view page image collection
Title westheide.gif
Image Type Diagram
ALT Text Annelida tree from Westheide 1997
ID 2055
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