Echinodermata has approximately 7000 described living species and about 13,000 extinct species known from the fossil record. This phylum is the largest without any freshwater or terrestrial forms.
This article is unpublished.
Appears under "Comprehensive Description"
©1995-2012, The Regents of the University of Michigan and its licensors
© The Regents of the University of Michigan and its licensors
Animal Diversity Web
Renee Sherman Mulcrone,
Mulcrone, R. 2005. "Echinodermata" (On-line), Animal Diversity Web. Accessed April 04, 2012 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Echinodermata.html
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