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Taxonomy and Biology of Sipunculans, with Emphasis on the Morphology of Phascolion strombus (Montagu,1804) - English
URL: http://www.gmf.gu.se/old_english_gmf/PhDTheses/Hylleberg.html

An overview of characters and taxonomy of the phylum is presented with emphasis on aspects of variability and the caution needed when sipunculans are to be classified. I describe epidermal organs and the gut of Phascolion strombus with regard to morphology, histochemistry, and biology.

[ eng ]

The Peanut Worms - English
URL: http://www.ucmp.berkeley.edu/sipuncula/sipuncula.html

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Introduction to the peanut worms, from UCMP Berkeley.

[ eng ]