A new basal ornithuromorph bird (Aves: Ornithothoraces) from the Early Cretaceous of China with implication for morphology of early Ornithuromorpha

Wang Min; Zhou Zhonghe; Zhou Shuang

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A new basal ornithuromorph bird (Aves: Ornithothoraces) from the Early Cretaceous of China with implication for morphology of early Ornithuromorpha

机译：中国早白垩世的一种新的基底鸟形鸟（Aves：Ornithothoraces），对鸟形鸟早期的形态有影响

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Ornithuromorpha is the most derived avian group in the Early Cretaceous, advanced members of which encompass all living birds (Neornithes). Here we report on a new basal ornithuromorph bird, Bellulia rectusunguis gen. et sp. nov., represented by a nearly complete skeleton from the Early Cretaceous Jehol Biota in northeastern China. A comprehensive phylogenetic analysis resolved the new taxon in a basal position that is only more derived than Archaeorhynchus and Jianchangornis among ornithuromorphs, increasing the morphological diversity of basal ornithuromorphs. The new specimen has a V-shaped furcula with a short hypocleidium, a feature otherwise known only in Schizooura among Cretaceous ornithuromorphs. We discuss the implications of the new taxon on the evolution of morphology of primitive ornithuromorphs, particularly of pectoral girdle, sternum and limb proportion pertaining to powered flight. The preserved gastroliths and pedal morphology indicate herbivory and lakeshore adaption for this new species. (c) 2016 The Linnean Society of London, Zoological Journal of the Linnean Society, 2016

机译：鸟嘴兽是白垩纪早期起源最广泛的鸟类群，其高级成员涵盖所有活禽（Neornithes）。在这里，我们报道了一种新的基底鸟形鸟，Bellulia rectusunguis gen。等。 11月，以东北东北部白垩纪热河生物群的近乎完整的骨架为代表。全面的系统发育分析将新分类单元解析为基类，其在鸟嘴兽类中仅比始祖鸟和剑蛇变派源多，从而增加了鸟嘴兽类的形态多样性。新的标本具有一个带有短鞭毛的V形毛囊，这一特征仅在白垩纪鸟眼兽类中的Schizooura中才知道。我们讨论了新的分类单元对原始鸟眼鸟形态的演变的影响，特别是与动力飞行有关的胸带，胸骨和肢体比例的演变。保留的胃石和脚踏板形态表明该新物种具有草食性和湖岸适应性。（c）2016年伦敦林奈学会，《林奈学会动物学杂志》，2016年

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《Zoological Journal of the Linnean Society》 |2016年第1期|共17页
作者
Wang Min; Zhou Zhonghe; Zhou Shuang;
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正文语种 eng
中图分类动物学;
关键词
Early Cretaceous; ecology; Jehol Biota; morphospace; Ornithuromorpha; phylogeny;

机译：白垩纪;生态学;生物群;形态空间;鸟形目;系统发育;

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1. A new basal ornithuromorph bird (Aves: Ornithothoraces) from the Early Cretaceous of China with implication for morphology of early Ornithuromorpha [J] . Wang Min, Zhou Zhonghe, Zhou Shuang Zoological Journal of the Linnean Society . 2016,第1期

机译：中国早白垩世的一种新的基底鸟形鸟（Aves：Ornithothoraces），对鸟形鸟早期的形态有影响
2. Two new Early Cretaceous ornithuromorph birds provide insights into the taxonomy and divergence of Yanornithidae (Aves: Ornithothoraces) [J] . Wang Min, Li Zhiheng, Liu Qingguo, Journal of Systematic Palaeontology . 2020,第19a24期

机译：两种新的早期白垩纪鸟类鸟类鸟类鸟类提供了yanornithidae的分类和分歧的见解（Aves：鸟癣）
3. A new adult specimen of the basalmost ornithuromorph bird Archaeorhynchus spathula (Aves: Ornithuromorpha) and its implications for early avian ontogeny [J] . Min Wang, Zhonghe Zhou Journal of Systematic Palaeontology . 2017,第1a4期

机译：最基础的鸟嘴鸟鸟Archaeorhynchus spathula（Aves：Ornithuromorpha）的新成年标本及其对早期鸟类个体发育的影响
4. The Morphology and Systematics of Polarornis, a Cretaceous Loon (Aves: Gaviidae) from Antarctica [C] . Sankar Chatterjee Society of Avian Paleontology and Evolution Symposium . 2002

机译：来自南极洲的白垩纪LOON（AVES：Gaviidae）的Polatornis的形态和系统学
5. Interpreting behavior from early Cretaceous bird tracks and the morphology of bird feet and trackways. [D] . Falk, Amanda Renee. 2009

机译：解释白垩纪早期鸟类的行为以及鸟类脚和步道的形态。
6. A new basal bird from China with implications for morphological diversity in early birds [O] . Min Wang, Xiaoli Wang, Yan Wang, -1

机译：来自中国的一种新的基础鸟类对早期鸟类的形态多样性有影响
7. A new basal ornithuromorph bird (Aves: Ornithothoraces) from the Early Cretaceous of China with implication for morphology of early Ornithuromorpha [O] . Min Wang, Zhonghe Zhou, Shuang Zhou 2016

机译：来自中国早期白垩纪的新基础鸟类鸟（Aves：鸟癣），含有早期牙棕榈猴的形态

A new basal ornithuromorph bird (Aves: Ornithothoraces) from the Early Cretaceous of China with implication for morphology of early Ornithuromorpha

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