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Crinoids
BioQUEST Crinoid Education Project, Building A Crinoid, Charles Messing's Crinoids
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9th International Echinoderm Conference
http://www.calacademy.org/research/izg/echinoderm/conference/
Links to abstracts.
Peer's Echinoid Pages
http://members.home.nl/thebus/
Information about and images of echinoids from the Cretaceous Period (Maastrichtian) from the Netherlands.