| A NEW ARCHOSAUR (DIAPSIDA, ARCHOSAURIFORMES) FROM THE MARINE TRIASSIC OF CHINA | |
| Li, Chun1; Wu, Xiao-Chun2; Zhao, Li-Jun3; Sato, Tamaki4; Wang, Li-Ting5; lichun@ivpp.ac.cn | |
| 2012 | |
| 发表期刊 | JOURNAL OF VERTEBRATE PALEONTOLOGY
 |
| ISSN | 0272-4634 |
| 卷号 | 32期号:5页码:1064-1081 |
| 文章类型 | Article |
| 摘要 | A new Middle Triassic archosaur, Diandongosuchus fuyuanensis, gen. et sp. nov., is described on the basis of a skeleton from the Zhuganpo Member (Ladinian) of the Falang Formation, eastern Yunnan Province, China. It is primarily characterized by the nasal process of the premaxilla extending posteriorly well beyond the external naris, the super-sized coracoid foramen laterally bordered by the scapula, the ischium with a strongly expanded medial portion anteroposteriorly longer than the proximodistal height of the bone, and anteriorly notched cervical osteoderms. D. fuyuanensis is a pseudosuchian on the basis of the crocodile-normal tarsal joint and other features, such as the distal end of the ulna in posterolateral view squared off, osteoderms with a distinct anterior process, the presacral vertebrae dorsally covered by more than one osteoderm, dorsal osteoderm alignment dorsal to presacrals 10-24 staggered, the pubis-ischium contact reduced to a thin proximal contact, and the medial contact of the ischia extensive but the dorsal margins separate. It is from a marine deposit but shows few morphological adaptations of the postcranial skeleton for a semiaquatic way of life when compared with Qianosuchus from the Anisian limestone of the same area. A phylogenetic analysis derived from an existing data matrix suggests that the new archosaur occupies the basal-most position in Poposauroidea and further confirms the poposauroid status of Qianosuchus. On the basis of current information, the discovery of Diandongosuchus does not firmly underscore the affinity of the semiterrestrial vertebrate faunas between the eastern and western regions along the northern coastline of the Tethys. |
| 关键词 | Phylogenetic-relationships Southwestern China Reptiles Redescription Osteology Revision Anatomy Origin Convergence Dinosaurs |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| URL | 查看原文 |
| 关键词[WOS] | PHYLOGENETIC-RELATIONSHIPS ; SOUTHWESTERN CHINA ; REPTILES ; REDESCRIPTION ; OSTEOLOGY ; REVISION ; ANATOMY ; ORIGIN ; CONVERGENCE ; DINOSAURS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Paleontology |
| WOS类目 | Paleontology |
| WOS记录号 | WOS:000308128800008 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/4339 |
| 专题 | 古低等脊椎动物研究室 |
| 通讯作者 | lichun@ivpp.ac.cn |
| 作者单位 | 1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Lab Evolutionary Systemat Vertebrates, Beijing 100044, Peoples R China 2.Canadian Museum Nat, Ottawa, ON K1P 6P4, Canada 3.Zhejiang Museum Nat Hist, Hangzhou 310014, Zhejiang, Peoples R China 4.Tokyo Gakugei Univ, Koganei, Tokyo 1848501, Japan 5.Geol Survey Guizhou Prov, Guiyang 550005, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Chun,Wu, Xiao-Chun,Zhao, Li-Jun,et al. A NEW ARCHOSAUR (DIAPSIDA, ARCHOSAURIFORMES) FROM THE MARINE TRIASSIC OF CHINA[J]. JOURNAL OF VERTEBRATE PALEONTOLOGY,2012,32(5):1064-1081. |
| APA | Li, Chun,Wu, Xiao-Chun,Zhao, Li-Jun,Sato, Tamaki,Wang, Li-Ting,&lichun@ivpp.ac.cn.(2012).A NEW ARCHOSAUR (DIAPSIDA, ARCHOSAURIFORMES) FROM THE MARINE TRIASSIC OF CHINA.JOURNAL OF VERTEBRATE PALEONTOLOGY,32(5),1064-1081. |
| MLA | Li, Chun,et al."A NEW ARCHOSAUR (DIAPSIDA, ARCHOSAURIFORMES) FROM THE MARINE TRIASSIC OF CHINA".JOURNAL OF VERTEBRATE PALEONTOLOGY 32.5(2012):1064-1081. |
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