guide fossil
参考词典中guide fossil的常规释义：
基本释义
- 标志化石，标准化石，指导性化石，指示化石
英英解释
1个名词解释
- a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
[同] guide fossil, index fossil
点击查看……- a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
鲁公网安备 37060202000128号