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A new pelobatoid frog from the lower Eocene of southern China

文献类型：期刊论文

作者Wang, Yuan1; Rocek, Zbynek1,2; Dong, Liping1
刊名PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS
出版日期2018-06-01
卷号98期号:2页码:225-242
关键词Pelobatoidea Pelodytidae Megophryidae Anura Eocene China
ISSN号1867-1594
DOI10.1007/s12549-017-0304-1
文献子类Article
英文摘要A new frog with pelobatoid affinities is described from the lower Eocene of southern China based on 11 individuals at different developmental stages. Comparative analysis reveals that this anuran shares osteological characters with the rather diverse family Megophryidae. In particular, intervertebral discs are present between the anterior vertebral centra and the lamella alaris of the squamosal is widely separated from the maxilla, which lacks a zygomaticomaxillar process. The new frog also shares features with the genus Pelodytes and especially with its most primitive extant species, P. caucasicus. Particularly given that Pelodytidae and Megophryidae are grouped in the Pelobatoidea, and that the new fossil frog existed almost 50 Ma ago, these comparisons suggest that the new frog represents a Paleogene member of the Pelobatoidea. Phylogenetic analysis supports this conclusion, but relationships within the superfamily Pelobatoidea remain unstable across different analyses, as do the positions of fossil frogs of similar geological age in Mongolia (Prospea) and USA (Aerugoamnis). Nevertheless, this new discovery represents the first record of a Paleogene frog from China as well as the first fossil anuran from South China, filling the large gap between Chinese Cretaceous and Neogene anurans. The new frog also opens an important window on the early evolutionary history of the Pelobatoidea, which presumably originated in East Asia.
WOS关键词ANURA ; HISTORY ; GENUS ; DIVERSIFICATION ; PALEOCENE ; AMPHIBIA ; PATTERNS
WOS研究方向Biodiversity & Conservation ; Paleontology
语种英语
WOS记录号WOS:000433371100003
出版者SPRINGER HEIDELBERG
资助机构Sino-Czech Academy Program ; National Natural Science Foundation of China(41472018) ; Chinese Academy of Sciences(XDB18000000) ; Academy of Sciences of the Czech Republic(RVO67985831) ; Chinese Academy of Sciences (PIFI)
源URL[http://119.78.100.205/handle/311034/8406]  
专题中国科学院古脊椎动物与古人类研究所
通讯作者Rocek, Zbynek
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, 142 Xi Zhi Men Wai St, Beijing 100044, Peoples R China
2.Czech Acad Sci, Inst Geol, Lab Palaeobiol, Rozvojova 135, Prague 16500, Czech Republic
推荐引用方式
GB/T 7714		 Wang, Yuan,Rocek, Zbynek,Dong, Liping. A new pelobatoid frog from the lower Eocene of southern China[J]. PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS,2018,98(2):225-242.
APA Wang, Yuan,Rocek, Zbynek,&Dong, Liping.(2018).A new pelobatoid frog from the lower Eocene of southern China.PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS,98(2),225-242.
MLA Wang, Yuan,et al."A new pelobatoid frog from the lower Eocene of southern China".PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS 98.2(2018):225-242.

入库方式： OAI收割

来源：古脊椎动物与古人类研究所

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