Water vascular system

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11	Journal of Systematic Palaeontology 3 (1): 29–114 DOI: [removed]S1477201905001525 Printed in the United Kingdom Add to Reading List Source URL: sites.univ-provence.fr Language: English - Date: 2007-04-26 12:33:43 Zoology Brittle star Ambulacral Asterozoa Water vascular system Starfish Sea urchin Ordovician Edrioasteroidea Echinoderms Taxonomy Phyla
12	PDF Document Add to Reading List Source URL: docs.lib.noaa.gov Language: English - Date: 2012-02-15 10:20:20 Zoology Sea urchin Strongylocentrotus droebachiensis Echinoderm Ambulacral Sand dollar Cidaroida Water vascular system Echinothurioida Echinoidea Taxonomy Phyla