| ANATOMY OF THE BASAL ORNITHUROMORPH BIRD ARCHAEORHYNCHUS SPATHULA FROM THE EARLY CRETACEOUS OF LIAONING, CHINA | |
Zhou, Shuang1,2; Zhou, Zhonghe1 ; O'Connor, Jingmai K.1; zhoushuang_ivpp@163.com
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| 2013 | |
| 发表期刊 | JOURNAL OF VERTEBRATE PALEONTOLOGY
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| ISSN | 0272-4634 |
| 卷号 | 33期号:1页码:141-152 |
| 文章类型 | Article |
| 摘要 | As one of the earliest-known beaked ornithuromorph birds, Archaeorhynchus spathula is important for understanding the early evolution of this derived avian clade. Recently, two new complete and articulated specimens of Archaeohyrnchus spathula were collected from Lower Cretaceous deposits of Jianchang, Liaoning, northeastern China. These specimens preserve new anatomical information, particularly in regards to the morphology of the skull (including the inner structure of the occiput), forelimbs, hind limbs, and sternum. The sternum is similar to that of an unnamed ornithuromorph from the Xiagou Formation, Gansu Province. These new specimens are subadult: together with the holotype of Archaeorhynchus, they constitute the entire Early Cretaceous record of subadult ornithuromorphs and reveal important information regarding the ontogeny of this group. The caudal vertebrae are complete in the two referred specimens and provide information about the development of the pygostyle in basal ornithuromorphs. At least four vertebrae form the pygostyle of Archaeorhynchus and fusion progresses distoproximally. The preservation of gastroliths in all known specimens of Archaeorhynchus signifies that it was likely herbivorous. |
| 关键词 | Aves Ornithothoraces Feathered-dinosaur Ornithurine Bird Avian Evolution Jehol Group Diversification Madagascar Radiation Lineage Diet |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 关键词[WOS] | AVES ORNITHOTHORACES ; FEATHERED-DINOSAUR ; ORNITHURINE BIRD ; AVIAN EVOLUTION ; JEHOL GROUP ; DIVERSIFICATION ; MADAGASCAR ; RADIATION ; LINEAGE ; DIET |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Paleontology |
| WOS类目 | Paleontology |
| WOS记录号 | WOS:000313497100012 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/4225 |
| 专题 | 古低等脊椎动物研究室 |
| 通讯作者 | zhoushuang_ivpp@163.com |
| 作者单位 | 1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Evolutionary Systemat Vertebrates, Beijing 100044, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhou, Shuang,Zhou, Zhonghe,O'Connor, Jingmai K.,et al. ANATOMY OF THE BASAL ORNITHUROMORPH BIRD ARCHAEORHYNCHUS SPATHULA FROM THE EARLY CRETACEOUS OF LIAONING, CHINA[J]. JOURNAL OF VERTEBRATE PALEONTOLOGY,2013,33(1):141-152. |
| APA | Zhou, Shuang,Zhou, Zhonghe,O'Connor, Jingmai K.,&zhoushuang_ivpp@163.com.(2013).ANATOMY OF THE BASAL ORNITHUROMORPH BIRD ARCHAEORHYNCHUS SPATHULA FROM THE EARLY CRETACEOUS OF LIAONING, CHINA.JOURNAL OF VERTEBRATE PALEONTOLOGY,33(1),141-152. |
| MLA | Zhou, Shuang,et al."ANATOMY OF THE BASAL ORNITHUROMORPH BIRD ARCHAEORHYNCHUS SPATHULA FROM THE EARLY CRETACEOUS OF LIAONING, CHINA".JOURNAL OF VERTEBRATE PALEONTOLOGY 33.1(2013):141-152. |
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