conodonts
📖 中文释义
- (conodont 的复数) n.[古生]牙形刺, 牙形石
🧩 词形变化
原形 conodont
📘 English Definition(英文释义)
- plural of conodont
- n the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
- n small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes