English dictionary



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English noun: class Echinoidea

1. class Echinoidea (animal) sea urchins and sand dollars


SynonymsEchinoidea


Broader (hypernym)class


Member holonymExocycloida, order Exocycloida, order Spatangoida, sea urchin, Spatangoida


Member meronymEchinodermata, phylum Echinodermata









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