fossil species meaning in English

化石种

The first and last appearances of particular fossil species represent specific moments in geological time
第一个以及最后一个出现的特定化石物种代表了在地质时间中的特定一段时间。
Comparison with two species of ruppia in the age of miocene from europe indicates the existence of three fossil species from miocene to pliocene and from europe to east asia stratigraphically and geographically
榆社川蔓藻将川蔓藻属的第三纪地理分布范围从欧洲延伸到了东亚，并且填补了它在上新世地层的空缺。
It could be evident that the age of cave fauna is the mid - late pleistocene , according to the three fossil species comparing with those of other fossil faunas related sites and according to the river terraces analysis near by luohe river
“陕西洛南张坪田鼠类化石研究”就是这项工作的一小部分，目的是为认识秦岭的隆升及环境变迁提供更多的证据。