Bible Dictionaries
Echiuroidea
Webster's Dictionary
(n. pl.) A division of Annelida which includes the genus Echiurus and allies. They are often classed among the Gephyrea, and called the armed Gephyreans.
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Bibliography Information
Webster, Noah. Entry for 'Echiuroidea'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/e/echiuroidea.html. 1828.