Library / English Dictionary

    ECHINOIDEA

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    Sea urchins and sand dollarsplay

    Synonyms:

    class Echinoidea; Echinoidea

    Classified under:

    Nouns denoting animals

    Hypernyms ("Echinoidea" is a kind of...):

    class ((biology) a taxonomic group containing one or more orders)

    Meronyms (members of "Echinoidea"):

    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)

    Holonyms ("Echinoidea" is a member of...):

    Echinodermata; phylum Echinodermata (radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers)

    Credits


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