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Hemichordata (22)
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Information from Wikipedia on this phylum of worm-shaped marine deuterostome organisms.
http://en.wikipedia.org/wiki/Hemichordate
Photograph of an acorn worm (Saccoglossus kowalevskii).
http://tolweb.org/tree?group=Hemichordata&contgroup=Metazoa
UCMP Berkeley's introduction to the acorn worms. Includes information on graptolites.
http://www.ucmp.berkeley.edu/chordata/hemichordata.html
An introduction to the hemichordates including their characteristics and the two classes Enteropneusta and Pterobranchia.
http://www.earthlife.net/inverts/hemichordata.html
Last Updated: 2007-09-06 14:57:56
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The content of this directory is based on the Open Directory and has been modified by AllMusicSearch.com editors
