Echinoid definitions

Echinoid

1) Sea urchin or sand dollar
Found on https://www.crosswordclues.com/clue/echinoid

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Echinoid

• (a.) Of or pertaining to the Echinoidea. • (n.) One of the Echinoidea.
Found on http://thinkexist.com/dictionary/meaning/echinoid/

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echinoid

(from the article `echinoderm`) ...microscopic spicules; includes living orders Dendrochirotida, Dactylochirotida, Aspidochirotida, Elasipodida, Molpadiida, and Apodida; 1,100 ...
Found on http://www.britannica.com/eb/a-z/e/7

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Echinoid

E·chi'noid adjective [ Echinus + -oid .] (Zoology) Of or pertaining to the Echinoidea. -- noun One of the Echinoidea.
Found on http://www.encyclo.co.uk/webster/E/6

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Echinoid

Invertebrate marine organism with five-fold symmetry. Includes starfish and sea urchins
Found on https://www.encyclo.co.uk/local/20800

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