菊石

Of these , the ammonites are very interesting and important.

其中，菊石是一种非常有趣，非常重要的的甲壳类动物。

Of or related to fossil cephalopods of the order Ammonoidea.

菊石目头足动物的化石或者与这种化石相关的。

It was a marine predator, eating fish, ammonites and belemnites.

它是一种海栖肉食动物，捕食鱼类、菊石和箭石。

This website is dedicated to Cretaceous fossils from the USA and around the world: ammonoids, dinosaurs, nautiloids, belemnites, plesiosaurs, etc. CretaceousFossils.com is designed to be a dinosaur age fossil identification site.

该网站致力于美国及世界各地白垩纪化石资料收集及相关研究，有菊石、恐龙、鹦鹉螺目软体动物、箭石、蛇颈龙等化石介绍。

The Cenozoic faunas often superficially resembled those of the Mesozoic.

新生代的动物群表面上类似于中生代的动物群，但新生代没有菊石头足纲动物

The Cenozoic faunas often superficially resemble d those of the Mesozoic.

新生代的动物群表面上类似于中生代的动物群，但新生代没有菊石头足纲动物

Abundant fossils such as sporopollen,corals and ammonites were collected from the formerly Upper Triassic Keleqinghe Group in the Dahongliutan region,western Kunlun in 2003 to 2005.These fossils are mostly traced back to the Permian,and thus the Group is redivided into the Permian Huangyangling Group.

在西昆仑大红柳滩一带地质填图和剖面实测过程中，在原划上三叠统克勒青河群中采到了大量孢粉和珊蝴、菊石类等化石，经鉴定其时代主体为二叠纪；经区域地层对比，将其改归二叠系黄羊岭群。

The discovery of conodonts has preliminarily realized the comparison between the two main fossils of the Qianyannian-conodont and ammonites.

牙形石的发现还初步实现了青岩阶2大主导门类化石——牙形石和菊石在同一剖面的直接对比关系。

There are plant stems in the middle of the concretions. The contents of fossils such as crinoids, bivalves, ammonoids and conodonts in the concretions are notably higher than those in rocks around the concretions. Many fossils are directly attached to the plant stems.

这些结核中部都有植物茎干，结核内的海百合、双壳、菊石、牙形刺等生物化石含量明显高于结核周围的岩石，且有许多生物化石直接附着在植物茎干上。

Crinoids, ammonoids and bivalves dwelt on the stems and lived on pseudoplanktons. They were gradually deposited on the sea bottom with increasing biomass of the dwelling organisms and lime content, and at last concretions were formed.

海百合、双壳类和菊石类栖息在植物茎干上营假浮游生活，随着栖息生物量和化学沉积物灰泥的增加，逐渐沉积在海底形成结核。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。