Early evolution of the biological bird: perspectives from new fossil discoveries in China | |
O'Connor, Jingmai; Zhou, Zhonghe![]() | |
刊名 | JOURNAL OF ORNITHOLOGY
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2015-12-01 | |
卷号 | 156页码:S333-S342 |
关键词 | Jehol Biota Mesozoic Birds Avian Biology Definition Of Aves |
文献子类 | Review |
英文摘要 | New discoveries of fossil birds belonging to the Jehol Biota uncovered from Lower Cretaceous lacustrine deposits in northeastern China continue to greatly enrich our understanding of the first major avian radiation. The exceptional preservation of some fossils provides a rare chance to discuss many biological issues that are usually impossible to address in paleontological studies, such as: the ossification pattern of the sternum in the extinct group Enantiornithes, which is unlike that of modern birds and all other archosaurs; the discovery of preserved crop, gizzard, and intestinal contents in several clades which suggest that a near-modern digestive tract including specialized crop morphologies evolved early during avian evolution; and the rare preservation of ovarian follicles which support hypotheses that the right ovary was lost in Aves due to the limitations of powered flight. Together, these data allow a partial reconstruction of the biology of Aves very close to its origin. While no skeletal or integumentary features are recognized to define Aves, we identify two possible soft tissue features that may biologically define Aves relative to other amniotes: the presence of a crop and the loss of the right ovary. |
WOS关键词 | OVARIAN-FOLLICLES FOSSILIZE ; EARLY CRETACEOUS BIRDS ; AVIAN FLIGHT ; JEHOL-BIOTA ; DINOSAUR ; AVES ; SPECIMEN ; EGGS ; ARCHAEOPTERYX ; MANIRAPTORAN |
WOS研究方向 | Zoology |
语种 | 英语 |
WOS记录号 | WOS:000367457200029 |
内容类型 | 期刊论文 |
源URL | [http://124.16.247.212/handle/311034/7146] ![]() |
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 |
作者单位 | Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China |
推荐引用方式 GB/T 7714 | O'Connor, Jingmai,Zhou, Zhonghe. Early evolution of the biological bird: perspectives from new fossil discoveries in China[J]. JOURNAL OF ORNITHOLOGY,2015,156:S333-S342. |
APA | O'Connor, Jingmai,&Zhou, Zhonghe.(2015).Early evolution of the biological bird: perspectives from new fossil discoveries in China.JOURNAL OF ORNITHOLOGY,156,S333-S342. |
MLA | O'Connor, Jingmai,et al."Early evolution of the biological bird: perspectives from new fossil discoveries in China".JOURNAL OF ORNITHOLOGY 156(2015):S333-S342. |
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