Listar por tema "K-Pg mass extinction"
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Evolution of axial regionalization in Aves during the Mesozoic and its impact on the survival of modern lineages to K/Pgmass extinction
Serrano Alarcón, Francisco José; Pérez-Ramos, Alejandro; Chiappe, Luis M.; Chapman, Susan; Rashid, Dana J.; Bertrand, Ornella; Marcé-Nogué, Jordi; Brusatte, Steve; Figueirido-Castillo, Francisco Borja
[et al.] (2023)
The axial column of Neornithes (modern birds) is characterized by regional fusions in caudal vertebrae (pygostyle), lumbosacrals (synsacrum), and thoracics (notarium in several taxa) that provide a rigid and stable axis ...