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The absence of an invasive air sac system in the earliest dinosaurs suggests multiple origins of vertebral pneumaticity
The origin of the air sac system present in birds has been an enigma for decades. Skeletal pneumaticity related to an air sac system is present in both derived non-avian dinosaurs and pterosaurs. But the question remained open whether this was a shared trait present in the common avemetatarsalian an...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9734174/ https://www.ncbi.nlm.nih.gov/pubmed/36494410 http://dx.doi.org/10.1038/s41598-022-25067-8 |