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Preserved soft anatomy confirms shoulder-powered upstroke of early theropod flyers, reveals enhanced early pygostylian upstroke, and explains early sternum loss

Anatomy of the first flying feathered dinosaurs, modern birds and crocodylians, proposes an ancestral flight system divided between shoulder and chest muscles, before the upstroke muscles migrated beneath the body. This ancestral flight system featured the dorsally positioned deltoids and supracorac...

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Detalles Bibliográficos
Autores principales: Pittman, Michael, Kaye, Thomas G., Wang, Xiaoli, Zheng, Xiaoting, Dececchi, T. Alexander, Hartman, Scott A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: National Academy of Sciences 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9704744/
https://www.ncbi.nlm.nih.gov/pubmed/36375073
http://dx.doi.org/10.1073/pnas.2205476119

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