Cwu geologist karl lillquist helped establish that the bones were deposited on top of creek gravel and then buried by a mudslide 不同的正在对这些猛犸象骨骼进行放射性碳测定，以更加精确地得知这些化石的年龄。
Professor susan evans , of university college london , who identified it , said : " this frog is a relative of today ' s horned toads 鉴定出“魔鬼蛙”化石的伦敦大学教授苏珊?伊万斯说： “这种蛙类的现代近亲是角蟾。 ”
The traditional classification of fossils and some essential entombment theory throwing light on the forming process of the soft - bodied fossils 化石分类，埋藏学原理与软躯体化石的形成4川滇虫属化石的研究现状5
In the summer of 2003 we began to zero in on one microfossil type whose complex morphological characteristics particularly intrigued us 2003年夏天，我们开始瞄准一种微化石的类型，其复杂的形态特徵特别引起我们兴趣。
The study of the jehol biota has a long way to go , while the scientific administration and protection of the fossil sites remains a pressing issue 热河生物群的研究还具有很大的潜力，而对化石的科学发掘和保护的任务还十分艰巨。
Later , 50 fossils of meganthropus palaeo and pithecanthropus erectus / homo erectus were found half of all the world ' s known hominid fossils 后来， 50种化石先后在这里被发现，包括远古巨人，猿人直立人/直立人，占世界已知原始人类化石的一半。
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。
The discovery of these large vertebrate fossils has great significance for the redefinition of the stratigraphic age and regional stratigraphic division and correlation of the area 这些化石的发现对重新厘定地层时代、进行区域地层划分及对比具有重要意义。
The next year , during paleontological excavations , primitive stone tools came to light , bringing with them the tantalizing possibility that fossilized human remains might eventually follow 第二年，古生物学家在那里发掘出原始石器，让人兴起也许还能找到人类化石的希望。
Jianshan section of haikou was measured and described and some monospecific layers were reported in chapter i . 2 . several phyla of introverts are briefly introduced in chapter ii . 3 第三章对澄江动物群化石中的蠕虫化石的保存、埋藏、生态等方面作了进一步的研究探讨。
