搜索结果: 1-5 共查到“古生物学 Cretaceous”相关记录5条 . 查询时间(0.015 秒)
Leaf fossils show severe end-Cretaceous plant extinction in Patagonia（图）
Leaf fossils severe end-Cretaceous plant extinction Patagonia
2021/1/18
The asteroid impact 66 million years ago that ushered in a mass extinction and ended the dinosaurs also killed off many of the plants they relied on for food. Fossil leaf assemblages from Patagonia su...
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 ...
When the "primitive" shark Tribodus(Hybodontiformes) meets the "modern" ray Pseudohypolophus (Rajiformes): the unique co-occurrence of these two durophagous Cretaceous selachians in Charentes(SWFrance)
Hybodontiformes Tribodus Rajiformes Pseudohypolophus Palaeoecology Palaeobiogeography
2009/10/20
The palaeoecology and palaeobiogeography of two Cretaceous selachian genera, Tribodus BRITO & FERREIRA,1989 and Pseudohypolophus CAPPETTA & CASE, 1975, are briefly discussed. These two similar-sized t...
A revision of the chimaeroid fishes (Holocephali,Chimaeroidei) from the British Cretaceous
Holocephali Chimaeroidei Cretaceous British collections Revision
2009/10/20
The preliminary results of a revision of the British Cretaceous chimaeroid fishes (Holocephali, Chimaeroidei) based on a study of museum collections are presented. The taxonomic composition (2 familie...
Male spike strobiles with Gnetum affinity from the Early Cretaceous in western Liaoning, Northeast China
Early Cretaceous Gnetum affinity male spike strobiles Northeast China Yixian Formation
2009/8/4
A fossil with Gnetum affinity was found in the Jianshangou Member (Barremian Age) of the Yixian Formation (Lower Cretaceous Epoch) of the Jehol Group in western Liaoning, northeastern China. The singl...