bactritid

词形变化

bactritids 复数 bactritids

释义与例句

n.
  1. 1.

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

词源

See New Latin bactris, Ancient Greek βάκτρον (báktron, “staff, cudgel”)

来源：wiktionary