a new specimen of the early cretaceous bird hongshanornis longicresta: insights into the aerodynamics and diet of a basal ornithuromorph

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ID: 181006
2014
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Abstract
The discovery of Hongshanornis longicresta, a small ornithuromorph bird with unusually long hindlimb proportions, was followed by the discovery of two closely related species, Longicrusavis houi and Parahongshanornis chaoyangensis. Together forming the Hongshanornithidae, these species reveal important information about the early diversity and morphological specialization of ornithuromorphs, the clade that contains all living birds. Here we report on a new specimen (DNHM D2945/6) referable to Hongshanornis longicresta that contributes significant information to better understand the morphology, trophic ecology, and aerodynamics of this species, as well as the taxonomy of the Hongshanornithidae. Most notable are the well-preserved wings and feathered tail of DNHM D2945/6, which afford an accurate reconstruction of aerodynamic parameters indicating that as early as 125 million years ago, basal ornithuromorphs had evolved aerodynamic surfaces comparable in size and design to those of many modern birds, and flight modes alike to those of some small living birds.
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chiappe2014peerja Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Luis M. Chiappe;Bo Zhao;Jingmai K. O’Connor;Gao Chunling;Xuri Wang;Michael Habib;Jesus Marugan-Lobon;Qingjin Meng;Xiaodong Cheng
Journal pediatrics
Year 2014
DOI
10.7717/peerj.234
URL
https://peerj.com/articles/234/
Keywords
morphology birds aerodynamics chinamedicine

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