Echinoidea
Details
- Term Type
Art & Architecture Thesaurus
- Preferred Term
Echinoidea
- Details
Members of a class containing around 950 living species of marine invertebrates having a globular or discoid form, and a rigid shell composed of many calcareous plates, in some species covered with projecting spines.
- Variations
sea urchins
sea urchin
sea-urchins
urchins, sea
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