Late Oligocene and the Ulunguhe Fm. Early Eocene to Early Oligocene.

乌伦古河组——早始新世至早渐新世。

These showed an evolution of increasing diversity through to the Eocene.

一直到始新世,生物多样性都在不断地提高.

Drawing illustrating the plants and animal life in the Eocene High Arctic.

始新世北极高地地区植物和动物生命的图示。

And third, there is geological evidence for plant extinctions in the Eocene.

第三，我们已经收集到有关始新世时代植物灭绝的地质证据。

And third, there is geological evidence for plant extinctions in the Eocene .

第三，我们已经收集到有关始新世时代植物灭绝的地质证据。

So, the timing of terrestrial strata can be defined from Eocene to Oligocene in Paleogene.

因此，尼玛盆地的陆相地层时代应为古近纪始新世-渐新世。

Whichever way you look at the Eocene enigma, it is bad news for life on Earth.

无论用何种途径来观察始新世温室的这个谜，都对地球上生命带来不好的消息。

Few or any anthropoids are known to have existed in Africa during this period, known as the Eocene epoch.

人们原先不知道在这个被称为“始新世”的时期，非洲有类人猿的存在。

The placement and orientation of these fossils also tells researchers about the conditions at Green River during the Eocene .

这些化石的形成的地点和方位同时也让研究者们知道在始新世的绿河的环境条件。

In the middle Eocene formations of North America occurs the more specialized Uintatherium (or Dinoceras ), typifying the family Uintatheriidae.

于始新世中期的北美洲，出现了更为专门的尤因他兽，是属于犹因他兽科。