HyperDic: exocycloida

English > 1 sense of the word Exocycloida:
NOUNanimalExocycloida, order Exocycloidaflat sea urchins
English > Exocycloida: 1 sense > noun 1, animal
MeaningFlat sea urchins.
Synonymorder Exocycloida
Member ofEchinoidea, class Echinoideasea urchins and sand dollars
Memberssand dollarflattened disklike sea urchins that live on sandy bottoms
Broaderanimal orderThe order of animals

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