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Reference McHugh, D. 1997. Molecular evidence that echiurans and pogonophorans are derived annelids. Proc. natn. Acad. Sci. U.S.A. 94:8006-8009.
Image Use This media file is in the Public Domain.
Attached to Group Annelida: view page image collection
Title mchugh.gif
Image Type Diagram
ALT Text Annelida tree from McHugh 1997
ID 5213
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