Word Study
cœlenterata
CIDE DICTIONARY
cœlenterata, n. pl. [NL., fr. Gr. koi^los hollow + intestines.].
A comprehensive group of Invertebrata, mostly marine, comprising the Anthozoa , Hydrozoa , and Ctenophora . The name implies that the stomach and body cavities are one. The group is sometimes enlarged so as to include the sponges. [1913 Webster]
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