class echinoidea
Noun
-
Sea urchins and sand dollars (synset 102321567)
is a type of: class - (biology) a taxonomic group containing one or more ordersmember holonym:
- sea urchin - shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
- exocycloida, order exocycloida - flat sea urchins
- order spatangoida, spatangoida - heart-shaped sea urchins
belongs to: echinodermata, phylum echinodermata - radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumberssame as: echinoidea
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