conodonts
英[kənɒ'dɒnts]
美[kənɒ'dɒnts]
- 牙形化石
详细释义
名词 conodont:
-
the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
-
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
相关词汇
大家正在查
Copyright © 2023 256查询网 All Rights Reserved
