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English Dictionary
▪ echinoderm family▪ echinoderm genus▪ echinodermata▪ echinoidea▪ echinops
◊ echinodermata
Echinodermata
n : radially symmetrical marine invertebrates including e.g.
starfish and sea urchins and sea cucumbers [syn: {Echinodermata},
{phylum Echinodermata}]