cretaceous period

This clam fossil is from the Cretaceous Period, approximately 100 million years ago.

这个蛤化石来自大约一亿年以前的白垩纪时期.

The story takes place 6500 years ago in the Cretaceous period.

故事发生在6500万年前的白垩纪晚期.

Albertosaurus lived 76 to 74 million years ago. That time was called the late Cretaceous period.

阿尔贝塔龙生活在7400万~7600万年前, 这个时期是白垩纪晚期.

The reservoir time are decided by inclusion body homogeneity temperature and terrestrial heat history, the time is the telophase of the Cretaceous period, the reservoir time and tectonic movement is accordant.

利用烃类流体包裹体均一温度并结合盆地东部的地热史，厘定出石千峰组气藏成藏时间为晚白垩世，这与盆地整体向西倾斜、地层大量剥蚀的时间基本上是一致的。

their reward: new types of sauropod (top) and pterosaur both of which lived almost a hundred million years ago, in the cretaceous period.

他们辛苦付出的回报是新的蜥脚龙（上图）和翼龙化石，这两种动物均生活在一亿年前的白垩纪。

The Cretaceous period ended 65m years ago with the obliteration of the dinosaurs.

6500万年前白垩纪的结束伴随着恐龙的灭绝。

The prehistoric reptile lived in the Cretaceous period, about 125 million years ago.

这只史前爬行动物生活在约一亿两千五百万年前的白垩纪.

Jurassic System entered oil-generating stage in Late Cretaceous Period, and entered oil-generating peak in Tertiary Period.

侏罗系地层在晚白垩世开始进入生油期,第三纪时进入生油高峰,这时侏罗系地层经受的最高古地温为137℃.

Spore-pollen group in Early Cretaceous period and a few problems of division and comparison of Lower Cretaceous in middle part in Jilin Province

吉林中部早白垩世孢粉组合及下白垩统划分和对比的几个问题

As fossil evidences show, the fossil of taxus were found in the upper Cretaceous period.

根据化石研究表明, 红豆杉科的化石发现于上白垩世.

Corythosaurus lived 80 to 65 million years ago. That time was Cretaceous period.

冠龙生活在6500万~8000万年以前, 这个时候是白垩纪.

Deinonychus lived 110 to 100 million years ago. That time was called the Cretaceous period.

恐爪龙生活在1亿~1亿1000万年前, 这个时候叫做白垩纪.

a member of the dromaeosauridae of dinosaurs, it was a bird-like theropod dinosaur, which flourished during the cretaceous period.

它属于驰龙科一员，是一种类似鸟类的兽脚亚目食肉恐龙，在白垩纪繁盛一时。

The web found recently dates to the Cretaceous period . At that time, dinosaurs walked the earth.

最近发现的这张蜘蛛网是白垩纪的, 那时候, 地球上还有恐龙在行走.

analysis on ancient climate characteristics in se china in earlier cretaceous period based on the xinchang petrified wood

新昌硅化木揭示的早白垩世东南沿海地区古气候特征分析

The Cretaceous period ended 65 m years ago with the obliteration of the dinosaurs.

6500万年前白垩纪的结束伴随着恐龙的灭绝.

This landslide is consisted of alternative layers of sandstone and shale in Tetori Group that deposited from Mesozoic Jurassic period to Early Cretaceous period.

滑坡由中侏罗系-早白垩系的手取层群砂岩-页岩互层组成。

The second is from late Cretaceous period to Paleogene period.

第二阶段为晚白垩世-古近纪沉积时期（约120&20Ma）。

Any of various large dinosaurs of the genus iguanodon, of the Jurassic period and Cretaceous period.

禽龙属于侏罗纪和白垩纪的禽龙属中的任意一种大型恐龙。

Ankylosaurus lived 70 to 65 million years ago. That time was called the late Cretaceous period.

甲龙生活在6500万年~7000万年前, 这个时候是白垩纪晚期.

Was it the Cretaceous period, Paleozoic era, Jurassic period or Pleistocene epoch?

是白垩纪、古生代、侏罗纪还是更新世？

From the view of stratigraphy, they all belong to the Cretaceous period.

从地层学上看, 它们都属于白垩纪.

The earliest known bird, Archaeopteryx, lived during the Jurassic, the period before the Cretaceous.

人类所知的最早的鸟类，始祖鸟，生活在白垩纪前的侏罗纪时代。

Cretaceous period, 145 million years ago, was the age of the dinosaurs.

白垩纪期间，145百万年前，是恐的年。

The Maiasaura lived 80 to 65 million years ago. That time was called the Cretaceous period.

慈母龙生活在6500万~8000万年前, 这个时候是白垩纪晚期.

Triceratops are classified under the Cretaceous period around 65 to 145 million years ago.

三角龙被归类在大约65到145百万年前的白垩纪。