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2009
Abstract The Phylum Echinodermata is a clade of marine invertebrate deuterostomes that includes such well-known animals as the starAshes and sea urchins. All echinoderms possess a calcitic endoskeleton with a distinctive and unique three-dimensional structure, a stereom, and they all undergo an unusual asymmetrical development in which ...
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Abstract The Phylum Echinodermata is a clade of marine invertebrate deuterostomes that includes such well-known animals as the starAshes and sea urchins. All echinoderms possess a calcitic endoskeleton with a distinctive and unique three-dimensional structure, a stereom, and they all undergo an unusual asymmetrical development in which ...
openaire +1 more source

