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Introduction to the Sipuncula - http://www.ucmp.berkeley.edu/sipuncula/sipuncula.html
Introduction to the peanut worms, from UCMP Berkeley. |
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Phascolopsis gouldi - http://webs.lander.edu/rsfox/invertebrates/phascolopsis.html
Exercise from Invertebrate Anatomy OnLine covering the systematics, external and internal anatomy of this peanut worm. |
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Sipunculus nudus - http://webs.lander.edu/rsfox/invertebrates/sipunculus.html
Exercise from Invertebrate Anatomy OnLine covering the systematics, external and internal anatomy of this peanut worm. |
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Sipuncula - http://www.tolweb.org/Sipuncula/2487
Information on the classification of the peanut worms with a photograph of Phascolopsis gouldii. |
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Ed Cutler's Sipuncula Research - http://www.mcz.harvard.edu/Departments/InvertZoo/cutler.htm
Includes detailed classification of the 144 species in Phylum Sipuncula. |