A primitive fish provides key characters bearing on deep osteichthyan phylogeny

Min Zhu (), Xiaobo Yu, Wei Wang, Wenjin Zhao and Liantao Jia
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Min Zhu: Chinese Academy of Sciences
Xiaobo Yu: Kean University
Wei Wang: Chinese Academy of Sciences
Wenjin Zhao: Chinese Academy of Sciences
Liantao Jia: Chinese Academy of Sciences

Nature, 2006, vol. 441, issue 7089, 77-80

Abstract: Piscine relations Ray-finned bony fish (ranging from cod to guppies) and lobe-finned bony fish (lungfish, coelacanths and the ancestors of the land vertebrates) were clearly once close relatives, but a large morphological gulf still separates fossils of both groups dating from times when they looked much more similar than they do now. A fossil of a primitive lobe-finned fish that combines many features found in both groups has now been discovered in the Yumman fossil beds in China, and this new species offers a bridgehead between the two distinct lines of fishy descent.

Date: 2006
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DOI: 10.1038/nature04563

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