The small-bodied ornithischian dinosaurs Micropachycephalosaurus hongtuyanensis and Wannanosaurus yansiensis from the Late Cretaceous of China
文献类型：期刊论文
| 作者 | Butler, Richard J.1,2; Zhao, Qj3,4; R.Butler@nhm.ac.uk |
| 刊名 | CRETACEOUS RESEARCH
 |
| 出版日期 | 2009-02-01 |
| 卷号 | 30期号:1页码:63-77 |
| 关键词 | Dinosauria Ornithischia Pachycephalosauria Late Cretaceous Wannanosaurus China Micropachycephalosaurus |
| ISSN号 | 0195-6671 |
| 文献子类 | Article |
| 英文摘要 | The type material of the small-bodied ornithischian dinosaurs Micropachycephalosaurus hongtuyanensis and Wannanosaurus yansiensis from the Late Cretaceous of China is reviewed. Micropachycephalosaurus, from the Wangshi Formation (Campanian) of Shandong Province, was originally referred to the clade Pachycephalosauria, but some later authors have considered it a nomen dubium. However, despite the extremely fragmentary nature of the holotype specimen, Micropachycepholosaurus can be diagnosed by the presence of prominent grooves on the ventral surface of the centra of the posterior dorsal vertebra. Unambiguous pachycephalosaur synapomorphies cannot be identified in the currently available material, and we consider this taxon Cerapoda incertae sedis. Wannanosaurus, from the Xiaoyan Formation (Campanian-?early Maastrichtian) of Anhui Province, can be diagnosed by the extreme flexure of the humerus, and is clearly referable to Pachycephalosauria on the basis of a large number of synapomorphies. Assessment of the phylogenetic placement of this Wannanosaurus within Pachycephalosauria is complicated by the probable juvenile nature of the holotype and paratype specimens. (C) 2008 Elsevier Ltd. All rights reserved. |
| URL标识 | 查看原文 |
| WOS关键词 | SOUTH-AFRICA ; PACHYCEPHALOSAURIA ; PHYLOGENY ; EVOLUTION ; SYNONOMY ; BEHAVIOR |
| WOS研究方向 | Geology ; Paleontology |
| 语种 | 英语 |
| WOS记录号 | WOS:000262120400006 |
| 公开日期 | 2013-11-27 |
| 源URL | [http://119.78.100.205/handle/311034/4762]  |
| 专题 | 古脊椎动物与古人类研究所_图书馆1 |
| 通讯作者 | R.Butler@nhm.ac.uk |
| 作者单位 | 1.Nat Hist Museum, Dept Palaeontol, London SW7 5BD, England 2.Univ Cambridge, Dept Earth Sci, Cambridge CB2 3EQ, England 3.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China 4.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China |
| 推荐引用方式 GB/T 7714 | Butler, Richard J.,Zhao, Qj,R.Butler@nhm.ac.uk. The small-bodied ornithischian dinosaurs Micropachycephalosaurus hongtuyanensis and Wannanosaurus yansiensis from the Late Cretaceous of China[J]. CRETACEOUS RESEARCH,2009,30(1):63-77. |
| APA | Butler, Richard J.,Zhao, Qj,&R.Butler@nhm.ac.uk.(2009).The small-bodied ornithischian dinosaurs Micropachycephalosaurus hongtuyanensis and Wannanosaurus yansiensis from the Late Cretaceous of China.CRETACEOUS RESEARCH,30(1),63-77. |
| MLA | Butler, Richard J.,et al."The small-bodied ornithischian dinosaurs Micropachycephalosaurus hongtuyanensis and Wannanosaurus yansiensis from the Late Cretaceous of China".CRETACEOUS RESEARCH 30.1(2009):63-77. |
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来源：古脊椎动物与古人类研究所
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