| 释义 |
ChaetopodaenUK
Chae`top´o`da
| n. pl. | 1. | (Zool.) A very extensive order of Annelida (segmented worms), characterized by the presence of lateral setæ, or spines, on most or all of the segments. They are divided into two principal groups: Oligochæta, including the earthworms and allied forms, and Polychæta, including most of the marine species. |
EncyclopediaSeeannelidChaetopodaenUK
Chaetopoda the ANNELID worms of the classes Polychaeta or Oligochaeta, characterized by the possession of CHAETAE. See OLIGOCHAETE, POLYCHAETE. |