But the discovery of silica structures characteristic of grass in fossilized dinosaur droppings show that they did 但是从恐龙粪便化石中发现了青草硅结构特征,这表明它们确实相遇过。
Swedish geologists have found fossilized feces from a worm that lived some 500 million years ago , media reports said wednesday 瑞典地质学家最近发现了约5亿年前的一只小虫遗留下来的粪便。
The tiny , delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized 微小纤细的骨骼通常在石化前就被食腐肉的动物拆散了,或者被风化作用破坏掉了。
They then ground up the pieces of fossilized dung , known as coprolites , and looked for phytoliths , microscopic pieces of silica from plant cells 他们将恐龙粪便化石(即粪化石)颗粒碾碎,寻找植物微粒,即植物细胞中的微小硅粒。
The institute of vertebrate paleontology and paleoanthropology , part of the academia sinica in beijing , houses the fossilized teeth of the dinosaur beipiaosaurus 北京中科院脊椎动物古生物古人类研究所摆放着一只北票龙的牙齿化石。
Swedish geologists have found fossilized feces from a worm that lived some 500 million years ago , media reports said wednesday 瑞典地质学家最近发现了约5亿年前的一只小虫遗留下来的粪便。现在,这小堆粪便已经成为了颇有研究价值的化石。
And distinctive layered patterns in the fossilized sediments indicated that the water that deposited them was no longer flowing north ; instead it flowed eastward 而化石沉积物中特有的层状构造,则显示沉积泥沙的水流不再往北,而改向东流。
The fossilized remains belonged to the ornithopod ( having legs or feet like those of a bird ) family . said jin liyong , curator of the museum of jilin university 该恐龙残骸属于鸟脚亚目恐龙(象有腿和脚的鸟一样) ,据吉林大学博物馆馆长金利勇讲。
Now swedish researchers studying “ coprolites ” ? fossilized dino doo ? have discovered tiny silica crystals characteristic of relatively evolved grasses 专门研究动物粪化石的瑞典科学家,现在却在恐龙粪化石里发现了微小的矽结晶,这是较进化草种的特徵。
Seoul - the world ' s oldest fossilized webbed footprints of birds , believed to be 110 million years old , have been found on a south korean island 韩国科学家们最近在该国一个岛屿上找到了世界上最为古老的蹼状鸟类足迹化石,据悉这些化石距今已有1 . 1亿年之久。