搜索结果: 1-13 共查到“古生物学 study”相关记录13条 . 查询时间(0.343 秒)
No social distancing in the Cretaceous:New study finds earliest evidence for mammal social behavior(图)
No social distancing Cretaceous earliest evidence mammal social behavior
2020/11/6
A new study led by U.S. National Science Foundation-funded paleontologists at the University of Washington and its Burke Museum of Natural History & Culture indicates that the earliest ...
中国地质大学科学技术发展院代旭(博士生),宋海军*,地学院/BGEG国家重点实验室. Paleobiology(2020), Toward an understanding of cosmopolitanism in deep time: a case study of ammonoids from the middle Permian to the Middle Triassic(图)
生物;地理网络;计算方法;中二叠世;中三叠世;全球;菊石;地理
2021/10/15
近日,中国地质大学地球科学学院2018级博士生代旭为第一作者的研究论文“Toward an understanding of cosmopolitanism in deep time: a case study of ammonoids from the middle Permian to the Middle Triassic” 刊发在国际著名古生物学期刊《Paleobiology》上,该文通讯...
Sloths, which once roamed the Americas, ranged from tiny, cat-sized animals that lived in trees to massive ground sloths that may have weighed up to six tons. The only species we know today are two-to...
Morphological and Phylogenetic Study Based on New Materials of Anchiornis huxleyi (Dinosauria, Theropoda) from Jianchang, Western Liaoning, China
Anchiornis feathered dinosaur non-avian dinosaur Middle–Late Jurassic Yanliao Biota
2018/4/10
Anchiornis huxleyi, which is a member of the Middle–Late Jurassic Yanliao Biota, is the
smallest feathered dinosaur ever known. It has been described as a critical link between feathered
dinosaurs a...
UT Austin Study Raises Question: Why are Fossilized Hairs so Rare?(图)
UT Austin Fossilized Hairs so Rare
2017/9/20
When most people hear the word fossil, they probably think of gigantic leg bones or sharp teeth. But, given the right conditions, after an animal dies even delicate body coverings like skin, hair and ...
Building a Better Alligator:Researchers Develop Advanced Three-Dimensional Models of Bite Data to Study Dinosaurs,Birds,Crocodiles
Better Alligator Advanced Three-Dimensional Models Bite Data Dinosaurs Birds Crocodiles
2017/7/21
The skulls of alligators protect their brains, eyes and sense organs while producing some of the most powerful bite forces in the animal kingdom. The ability to bite hard is critical for crocodilians ...
More than 550 million years ago, the oceans were teeming with flat, soft-bodied creatures that fed on microbes and algae and could grow as big as bathmats. Today, researchers at the University of Cali...
Study explores ancient ecosystem response to a “big five” mass extinction, calls for modern food web research
ancient ecosystem big five mass extinction modern food web research
2015/10/13
As the planet faces the dawn of a sixth mass extinction, scientists are searching for clues about the uncertain road ahead by exploring how ancient ecosystems collapsed and bounced back from traumatic...
Old dogs can teach humans new things about evolution. In Nature Communications a new study of North American dog fossils as old as 40 million years suggests that the evolutionary path of whole groups ...
For the first time, researchers have created a visual atlas and dictionary of terms for the many strange features on the fearsome-looking jaws of a little known group of arachnids. Called camel spider...
Paleontologists have documented how dramatic shifts in climate have led to dramatic shifts in evolution. One such event, the Grande Coupure, was a wipeout of many European mammal species 33.9 million ...
Bighorn sheep went extinct on desert island in Gulf of California, study finds
Bighorn sheep extinct desert island Gulf of California
2014/3/28
RIVERSIDE, Calif. — Using ancient DNA analysis and other techniques, a research team led by conservation biologists at the University of California, Riverside has determined that bighorn sheep, so nam...
The R/V Meteor Cruise Leg M44/1 in February 1999 in the Sea of Marmara: The First Multibeam Bathymetric Study and Analysis of Methane in Sediment and Water Columns
Sea floor morphology methane emanations active faulting Tekirdağ ridge Ç ı narcı k basin North Anatolian Fault Zone Sea of Marmara
2009/7/7
During the first leg of R/V Meteor cruise M44 in February 1999, geoscientific studies in two areas in the Sea of Marmara were carried out. The studies mainly focused on cool fluid and gas (mainly met...