conodonts

📖 中文释义

  1. (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)
  1. plural of conodont
  2. n the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
  3. 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