(n.pl.) A very extensive order of Annelida, characterized by the presence of lateral setae or spines, on most or all of the segments. They are divided into two principal groups: Oligochaeta, including the earthworms and allied forms, and Polychaeta, including most of the marine species.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Chaetopoda. Retrieved September 20, 2026, from http://smartdefine.org/chaetopoda/definitions/1986058 |
| Chicago | Webster's. 2011. "Chaetopoda" http://smartdefine.org/chaetopoda/definitions/1986058 (accessed September 20, 2026). |
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| MLA | Webster's. "Chaetopoda" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/chaetopoda/definitions/1986058> |