在这一系列周期性物种灭绝事件里，白垩纪晚期恐龙和菊石的灭绝仅仅是其中一个比较严重的事件。
The late Cretaceous extinction of the dinosaurs and ammonoids was just one of the more drastic in a whole series of such recurrent extinction episodes.
伦敦小提琴商人洛里安•里昂哈德在陈列室放了一大块菊石化石。
LORIAN LEONHARD, a London violin dealer, keeps a large fossilised ammonite in his showroom.
西班牙巴塞罗那一处教堂楼梯的设计灵感就来自于菊石。
Ammonites also inspired this cathedral staircase in Barcelona, Spain.
在每次物种灭绝之中，大量的菊石和体平面为少量浮游动物所替代。
After each extinction, a rich variety of ammonoid species and body plans was replaced by a few free-floating types.
其中，菊石是一种非常有趣，非常重要的的甲壳类动物。
Of these , the ammonites are very interesting and important.
以菊石为例，应用分形几何学的观点对菊石缝合线的形态进行了定量描述。
With the suture line of ammonites as an example, the morphological feature in this paper is quantitatively described in view of fractal geometry.
描述的菊石标本采自江西安福乐平系，计有2新属、2新种和1个未定种。
The discussed Episageceratidae Ruzhencev were collected from Leping Coal Measures, Jiangxi, in relation to 2 new genus, 2 new species and 1 undefined species.
有些我们最熟悉的和发现最多的动物化石，如菊石等，当时都生活在海洋里。
Some of the most familiar and plentiful fossils, such as the ammonites, lived in the seas at that time.
菊石是鹦鹉螺的近亲，这种外壳呈螺旋状的海生生物在6500万年前与恐龙一起灭绝了。
Related to the pearly nautilus, these spiral-shelled Marine creatures went extinct along with the dinosaurs around 65 million years ago.
罗梅罗设计的红色的“菊石”，哈迪德设计的“火焰”和范•伯克尔设计的“UNX2”重新定义了脚后跟。
Romero's red "Ammonite," Hadid's "Flames" and Van Berkel's "UNX2" redefine the heel.
此前，鹦鹉螺的食性并不为人所知，事实样，这一证据只能证明一种存在疑问的物种- - -杆菊石的某一物种的食性。
It was not previously known what ammonites fed on-and, in truth, this evidence applies only to the animal in question, a species of Baculites.
通过分析其中的同位素(同一种元素拥有不同的质量)比例，他可以了解这些菊石所生活的环境特征，如温度和盐度。
By analyzing ratios of isotopes — variations of the same element with a different mass - he can learn things about the environment they lived in, such as temperature and salinity.
怀特塞德和沃德也研究了菊石的化石记录。菊石室一种类似于鱿鱼的生物，四亿至五亿年之前菊石遍布地球海洋之中。
Then Whiteside and Ward looked at the fossil record of ammonoids, a class of creatures that resemble shelled squid and dominated Earth's oceans from 400 million to 65 million years ago.
已经灭绝了6500万年之久的菊石是一种带有多室螺旋状外壳的海洋头足类动物，其小室之间的阻隔即缝合线就是一种复杂的分形曲线。
Extinct for 65 million years, ammonites were Marine cephalopods that built chambered spiral shells. The walls between these Chambers, called sutures, were complex fractal curves.
已经灭绝了6500万年之久的菊石是一种带有多室螺旋状外壳的海洋头足类动物，其小室之间的阻隔即缝合线就是一种复杂的分形曲线。
Extinct for 65 million years, ammonites were Marine cephalopods that built chambered spiral shells. The walls between these Chambers, called sutures, were complex fractal curves.
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