Echinoidea 1
noundomain: animal
Princeton WordNet [ver.3.1]
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EnglishDefinition
sea urchins and sand dollars
Hypernym
class 7
noun
(biology) a taxonomic group containing one or more orders
Member_meronym
Echinodermata 1
noun
radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
sea urchin 1
noun
shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
Exocycloida 1
noun
flat sea urchins
Spatangoida 1
noun
heart-shaped sea urchins
EnglishMember_holonym
Echinodermata 1
noun
radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
sea urchin 1
noun
shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
Exocycloida 1
noun
flat sea urchins
Spatangoida 1
noun
heart-shaped sea urchins
