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Fish Fossils Breathe New Life into Fin and Limb Evolutionary Hypothesis
《Bulletin of the Chinese Academy of Sciences》2022年第4期253-254,共2页
A trove of fossils,unearthed in rock from China dating back some 436 million years,has revealed for the first time that the mysterious galeaspids,members of an extinct clade of jawless fish,possessed paired fins.The d...
关键词：BRISTOL DATING PRIMITIVE 
Primitive Form of Bony Fish Unveiled
《Bulletin of the Chinese Academy of Sciences》2006年第2期81-82,共2页
With over 50,000 species, Osteichthyans, or bony fish,accounts for 98% of the present-day vertebrates. Bony fish falls into two groups：actine-pterygians, meaning ray-finned bony fish, and sarcopterygians, meaning lob...
关键词：多骨鱼 基本形 起源 演化 
A New Primitive Mammal Brought to Light
《Bulletin of the Chinese Academy of Sciences》2006年第2期87-88,共2页
Chinese and American researchers have found a 125-million-year-old new species of mammal from the diversified trove of Jehol Fauna. Their work on the discovery has been published in a recent issue of Nature.
关键词：哺乳动物 原始生物 中国 美国 联合考察 
New Fossils of a Primitive Man Found at Zhoukoudian
《Bulletin of the Chinese Academy of Sciences》2003年第3期145-147,共3页
A news release announces that the fossilized remains of one or two primitivemen were recently discovered in a cave in the vicinity of the world-renowned site of Peking Man. Thenews was released at a press conference j...
关键词：周口店 原始人化石 北京人 古人类学 
The Most Primitive Bird Ever Found in China
《Bulletin of the Chinese Academy of Sciences》2002年第3期131-132,共2页(Zhao Baohua Guo Haiyan) 
The lacustrine deposits in the Early Cretaceous JeholGroup in northeast China's Liaoning Province is a treasure house for paleontological studies.Recently, CAS scientists made new significant discoveries there: fossil...
关键词：BIRD The Most Primitive Bird Ever Found in China 
A New Type of Feather from a Primitive Bird Provided by CAS Scientists
《Bulletin of the Chinese Academy of Sciences》2000年第4期188-188,共1页
According to an official announcement by the CAS Institute of Vertebrate Paleontology and Paleoanthropology (IVPP), a piece of critical evidence for the origin and early evolution of feathers has been described from a...
关键词：BIRD A New Type of Feather from a Primitive Bird Provided by CAS Scientists CAS 
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