index fossil

English

index fossil (plural index fossils)

Any ancient remains of a plant or animal that lived during a specific geological period and that can be used to date the containing rocks.

单词	index fossil
释义	index fossil English Noun index fossil (plural index fossils) Any ancient remains of a plant or animal that lived during a specific geological period and that can be used to date the containing rocks.
随便看	裵裶裷裸裸の付き合い裸エプロン裸一貫裸体裸体主义裸像裸出歯鼠裸博裸参り裸奔裸奔者裸婚裸婦裸子植物裸官裸归裸戏裸戲裸捐裸替裸歸