Akademik

Echinoidea
noun
sea urchins and sand dollars
Syn: ↑class Echinoidea
Hypernyms: ↑class
Member Holonyms: ↑Echinodermata, ↑phylum Echinodermata
Member Meronyms: ↑sea urchin, ↑Exocycloida, ↑order Exocycloida, ↑Spatangoida, ↑order Spatangoida

Useful english dictionary. 2012.