Centrechinoida

plural noun Cen·trech·i·noi·da \(ˌ)sen‧ˌtrekə̇ˈnȯidə\

Definition of Centrechinoida

  1. :  a large order of sea urchins having peristomial gills, sphaeridia, and an apically located anus — compare cidaroida exocycloida

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Origin and Etymology of centrechinoida

New Latin, from Centrechinus + -oida


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