Echiuroid
Definition, Meaning & Examples
Part of speech noun
Quick meaning: Echiuroid is a noun meaning A worm of the order Echiuroidea.
Meaning
A worm of the order Echiuroidea.
Example Sentences
Generally echiuroids are sedentary, remaining in their holes or burrows and extending the proboscis to feed.
Descriptions of echiuroids based on external characters or on a very summary enumeration of a few internal features have made it difficult to determine the generic position of a number of described forms.
Despite the resemblances of echiuroids to annelids and to sipunculids, the embryological studies of Newby (1940) on Urechis, together with other evidence, seem to indicate that echiuroids are closer to annelids than they are to molluscs.
Word Forms
- echiuroids
Related Words
Related dictionary entries include worm, echiuran, echinorhynchid, urechid, echinozoan, eudrilid.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.