chaetopoda
📖 中文释义
- 毛足纲
📘 English Definition（英文释义）
- 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.