Echiuroid
[ek-ee-yoo r-oid] /ˌɛk iˈyʊər ɔɪd/
noun
1.
any wormlike invertebrate of the phylum Echiuroidea, found in sand and mud of tropical and subtropical seas, having at the mouth a ciliated, often elongated prostomium.
adjective
2.
belonging or pertaining to the Echiuroidea.
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