bactritid

名词 n.

英文释义

名词 n.
  1. Any cephalopod of the order †Bactritida of straight-shelled (orthoconic) cephalopods, that lived 410 to 230 million years age.

词形变化

bactritids plural

词源

See New Latin bactris, Ancient Greek βάκτρον (báktron, “staff, cudgel”)
11 次浏览 数据来源: Wiktionary