The earliest-known duck-billed dinosaur from deposits of late Early Cretaceous age in northwest China and hadrosaur evolution
文献类型：期刊论文
| 作者 | You, HL ; Luo, ZX; Shubin, NH; Witmer, LM; Tang, ZL; Tang, F; You, HL (reprint author), Chinese Acad Geol Sci, Inst Geol, Baiwanzhuang Rd 26, Beijing 100037, Peoples R China.
|
| 刊名 | CRETACEOUS RESEARCH
 |
| 出版日期 | 2003-06-01 |
| 卷号 | 24期号:3页码:347-355 |
| 关键词 | Lower Cretaceous Dinosauria Hadrosauroidea Hadrosauridae Iguanodontidae Gobi Desert Gansu China Gen. Nov. Sp Nov. |
| ISSN号 | 0195-6671 |
| 文献子类 | Article |
| 英文摘要 | A new dinosaur of Early Cretaceous age was recently discovered in the Gobi Desert of northwest China. It is more closely related to Late Cretaceous hadrosaurids than to Early Cretaceous iguanodontids. It occupies the most basal position in the phylogeny of all duck-billed dinosaurs, or the Hadrosauroidea. This early hadrosauroid sheds new light on the origin of the herbivorous feeding specializations of the Late Cretaceous duck-billed dinosaurs, and corroborates the view that the Iguanodontidae and the Hadrosauroidea are monophyletic clades, with the former characterized by an enlarged maxilla as the main mechanism for mastication, and the latter diagnosed by a smaller yet more mobile maxilla with an elaborate dental battery, separated by a diastema from the enlarged premaxilla. Our study also suggests that the Hadrosauroidea had most likely originated in Asia in the Early Cretaceous before this clade diversified and spread to other Laurasian continents during the Late Cretaceous. (C) 2003 Elsevier Ltd. All rights reserved.; A new dinosaur of Early Cretaceous age was recently discovered in the Gobi Desert of northwest China. It is more closely related to Late Cretaceous hadrosaurids than to Early Cretaceous iguanodontids. It occupies the most basal position in the phylogeny of all duck-billed dinosaurs, or the Hadrosauroidea. This early hadrosauroid sheds new light on the origin of the herbivorous feeding specializations of the Late Cretaceous duck-billed dinosaurs, and corroborates the view that the Iguanodontidae and the Hadrosauroidea are monophyletic clades, with the former characterized by an enlarged maxilla as the main mechanism for mastication, and the latter diagnosed by a smaller yet more mobile maxilla with an elaborate dental battery, separated by a diastema from the enlarged premaxilla. Our study also suggests that the Hadrosauroidea had most likely originated in Asia in the Early Cretaceous before this clade diversified and spread to other Laurasian continents during the Late Cretaceous. (C) 2003 Elsevier Ltd. All rights reserved. |
| URL标识 | 查看原文 |
| WOS关键词 | ORNITHOPODS DINOSAURIA ; ORNITHISCHIA ; IGUANODON |
| WOS研究方向 | Geology ; Paleontology |
| 语种 | 英语 |
| WOS记录号 | WOS:000185439900006 |
| 公开日期 | 2013-11-27 |
| 源URL | [http://119.78.100.205/handle/311034/3726]  |
| 专题 | 古脊椎动物与古人类研究所_图书馆1 古脊椎动物与古人类研究所_古低等脊椎动物研究室 |
| 通讯作者 | You, HL (reprint author), Chinese Acad Geol Sci, Inst Geol, Baiwanzhuang Rd 26, Beijing 100037, Peoples R China. |
| 作者单位 | 1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 10044, Peoples R China 2.Univ Penn, Dept Earth & Environm Sci, Philadelphia, PA 19104 USA 3.Carnegie Museum Nat Hist, Sect Vertebrate Paleontol, Pittsburgh, PA 15213 USA 4.Univ Chicago, Dept Organismal Biol & Anat, Chicago, IL 60637 USA 5.Ohio Univ, Dept Biomed Sci, Athens, OH 45701 USA |
| 推荐引用方式 GB/T 7714 | You, HL,Luo, ZX,Shubin, NH,et al. The earliest-known duck-billed dinosaur from deposits of late Early Cretaceous age in northwest China and hadrosaur evolution[J]. CRETACEOUS RESEARCH,2003,24(3):347-355. |
| APA | You, HL.,Luo, ZX.,Shubin, NH.,Witmer, LM.,Tang, ZL.,...&You, HL .(2003).The earliest-known duck-billed dinosaur from deposits of late Early Cretaceous age in northwest China and hadrosaur evolution.CRETACEOUS RESEARCH,24(3),347-355. |
| MLA | You, HL,et al."The earliest-known duck-billed dinosaur from deposits of late Early Cretaceous age in northwest China and hadrosaur evolution".CRETACEOUS RESEARCH 24.3(2003):347-355. |
入库方式： OAI收割
来源：古脊椎动物与古人类研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。