chaetopod

/kee-tuh-pod/US // ˈki təˌpɒd //UK // (ˈkiːtəˌpɒd) //

甲壳虫,甲壳类动物,甲壳动物,甲壳虫类

Definitions

n.名词 noun

1
- : any annelid of the class or group Chaetopoda, having the body composed of more or less similar segments with muscular processes bearing setae.

A similar constitution of the body is more clearly seen in the Chaetopod worms.
The corm becomes the seat of a development of a special visual organ, the Arthropod eye (as opposed to the Chaetopod eye).
(g) The two eyes of Chaetopod structure have disappeared, and are replaced by the Euarthropod eyes.