And they are known from the late Miocene, about eight million years ago.

它们出现在大约 800 万年前即世末期。

And it was only one of many species of carnivorous whales in the middle Miocene.

而且，它只是世期众多食肉鲸类种。

Stupendemys lived about 7-13 million years ago during the Miocene Epoch near modern South America.

骇龟生活在大约700-1300万年前世时期，靠近现代南美洲。

Discokeryx lived in open grasslands with small groups of trees during a time known as the Miocene period.

在第三纪世时期，獬豸盘角鹿生活在开阔长有小片树木草原上。

Paleoanthropologists found the newly identified diurnal owl lived around 6 million years ago in the late Miocene period.

古人类学家发现这种发现昼夜猫头鹰生活在大约 600 万年前世晚期。

This major climatic shift likely caused the extinction of many Miocene ape lineages.

这种重大气候变化可能导致许多世猿类谱系灭绝。

Many other lineages of apes thrived during the Miocene.

许多其他类人猿谱系在世期间繁衍生息。

So what caused this really bad day in the Miocene?

那么是什么导致世这个非常糟糕天 呢？

Now, being so big probably helped them deal with large Miocene predators, like saber-toothed barbourofelids.

现在， 体型如此之大可能有助于它们对付大型世食肉动物，例如剑齿虎科动物。

The largest are the thunderbirds called Dromornis stirtoni. And they are known from the late Miocene, about eight million years ago.

体型最大雷鸟是史氏雷啸鸟(Dromornis stirtoni)。生活年代为世晚期，约为800万年前。

So, as they became increasingly adapted to their grassy new environment, equines thrived throughout the Miocene.

因此， 随着它们越来越适应草地环境，马科动物在整个世蓬勃发展。

For the most part, the rest of the Miocene continued the trends that began in the Oligocene.

在大多数情况下，世其余部分 延续渐世开始趋势。

This means the Miocene graveyard couldn't have been caused by the behavior of a single species.

这意味着世墓地不可能是由单物种行为造成。

In the Late Miocene, another adversary shows up in the fossil record -- the earliest ancestor of the Great White Shark, Carcharodon hubbelli.

在晚世，另个对手出现在化石记录——现代大白鲨最早祖先，胡贝尔氏真鲨。

The climate cooled repeatedly into and throughout the Miocene and Pliocene Epochs, driving other periods of selection for weasel-like body plans.

气候在世和上世期间反复变冷，推动其他选择黄鼠狼般身体计划时期。

During the Oligocene and Miocene Epochs, it made huge, spiraled dens in the earth.

在渐世和世时期，它在地球上形成巨大螺旋状洞穴。

Some paleontologists have interpreted living African apes as time capsules of Miocene apes that roamed the earth from five to 23 million years ago.

些古生物学家将现存非洲猿解释为 5 到 2300 万年前在地球上漫游世猿时间胶囊。

And it only approached the Asian Sunda continental shelf in the west around 20 to 25 million years ago in the late Oligocene or early Miocene epoch.

而且，它只有在大约 2,000 万到 2,500 万年前渐世晚期或世早期和在西面亚洲巽他古大陆接壤。

Pimiento and her team used a climate forecasting model to recreate ocean temperatures during the Pliocene and Miocene, and compared those temperatures to where Megalodon had lived.

皮米恩托和她团队使用个气候预测模型来重现上世和世期间海洋温度，并将这些温度与巨齿鲨生活地点进行比较。

The start of the Miocene marked the end of these largest of the rhinos, with only their smaller cousins left behind.

世开始标志着这些最大犀牛终结，只留下它们较小表亲。