| 期刊全稱 | Avian Ancestors | | 期刊簡(jiǎn)稱 | A Review of the Phyl | | 影響因子2023 | Federico Agnolin,Fernando E. Novas | | 視頻video | http://file.papertrans.cn/167/166965/166965.mp4 | | 發(fā)行地址 | Includes supplementary material: | | 學(xué)科分類 | SpringerBriefs in Earth System Sciences | | 圖書(shū)封面 |  | | 影響因子 | Although consensus exists among researchers that birds evolved from coelurosaurian theropods, paleontologists still debate the identification of the group of coelurosaurians that most closely approaches the common ancestor of birds. The last 20 years witnessed the discovery of a wide array of avian-like theropods that has considerably amplified the anatomical disparity among deinonychosaurians, some of which resemble Archaeopteryx more than Deinonychus. Among these newly discovered theropods that show remarkable bird-like characteristics are the four-winged theropods Microraptor and Anchiornis, and the unenlagiids Unenlagia, Buitreraptor, and Rahonavis. A bizarre group of minute-sized coelurosaurs, the Scansoriopterygidae, also exhibits some avian similarities that lead some authors to interpret them as more closely related to birds than other dinosaurs. With the aim to explore the phylogenetic relationships of these coelurosaurians and birds, we merged recently published integrative databases, resulting in significant changes in the topological distribution of taxa within Paraves. We present evidence that Dromaeosauridae, Microraptoria, Unenlagiidae, and Anchiornis + Xiaotingia fo | | Pindex | Book 2013 |
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