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Taxonomic revision of Eoalligator (Crocodylia, Brevirostres) and the paleogeographic origins of the Chinese alligatoroids
Wang, Yan-yin1,2; Sullivan, Corwin1; Liu, Jun1
2016-08-24
发表期刊PEERJ
卷号4期号:000页码:39
文章类型Article
摘要Background. The primarily Neotropical distribution of living alligatoroids raises questions as to when and how the ancestors of Alligator sinensis migrated to China. As phylogeny provides a necessary framework for historical biogeographic issues, determining the phylogenetic positions of the Chinese alligatoroids is a crucial step towards understanding global alligatoroid paleobiogeography. Besides the unnamed alligatoroids from the Eocene of Guangdong Province, three Chinese fossil taxa have been referred to Alligatoroidea: Alligator luicus, Eoalligator chunyii and Eoalligator huiningensis. However, none of these fossil taxa has been included in a phylogenetic analysis. The genus Eoalligator was established to accommodate E. chunyii from Guangdong Province. E. huiningensis from Anhui Province was later erected as a second species, despite no distinctive similarities with E. chunyii. By contrast, the putative crocodyline Asiatosuchus nanlingensis was established based on material from Guangdong Province, close to the E. chunyii specimens geographically and stratigraphically. Furthermore, specimens of A. nanlingensis and E. chunyii share four distinctive characters, but display no evident differences. As a result, the taxonomic relationships of these three species require restudy.
关键词Eoalligator Protoalligator Alligatoroidea Crocodyloidea Phylogeny Taxonomy Paleobiogeography
WOS标题词Science & Technology
DOI10.7717/peerj.2356
关键词[WOS]PHYLOGENETIC-RELATIONSHIPS ; LATE PALEOCENE ; NORTH-AMERICA ; EOCENE ; HISTORY ; PLEISTOCENE ; EUSUCHIA ; BOUNDARY ; THAILAND ; SINENSIS
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(41172017 ; IRG-China/South Africa Research Cooperation Programme(95449) ; 41472017)
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000383261700005
引用统计
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/7000
专题中科院古脊椎所(2000年以后)
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
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Wang, Yan-yin,Sullivan, Corwin,Liu, Jun. Taxonomic revision of Eoalligator (Crocodylia, Brevirostres) and the paleogeographic origins of the Chinese alligatoroids[J]. PEERJ,2016,4(000):39.
APA Wang, Yan-yin,Sullivan, Corwin,&Liu, Jun.(2016).Taxonomic revision of Eoalligator (Crocodylia, Brevirostres) and the paleogeographic origins of the Chinese alligatoroids.PEERJ,4(000),39.
MLA Wang, Yan-yin,et al."Taxonomic revision of Eoalligator (Crocodylia, Brevirostres) and the paleogeographic origins of the Chinese alligatoroids".PEERJ 4.000(2016):39.
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