New Information on the Keratinous Beak of Confuciusornis (Aves: Pygostylia) From Two New Specimens

The keratinous beak is inferred to have evolved multiple times in the Archosauria and in Aves. Unfortunately, this feature rarely preserves in the fossil record. Here we examine a collection of 603 specimens belonging to the Confuciusornithiformes, a clade of edentulous basal avians, only two of whi...

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Detalhes bibliográficos

Principais autores:	Xiaoting Zheng, Jingmai O’Connor, Yan Wang, Xiaoli Wang, Yin Xuwei, Xiaomei Zhang, Zhonghe Zhou
Formato:	Artigo
Idioma:	Inglês
Publicado em:	Frontiers Media S.A. 2020-09-01
coleção:	Frontiers in Earth Science
Assuntos:	rhamphotheca keratin beak soft tissue Jehol avifauna Early Cretaceous
Acesso em linha:	https://www.frontiersin.org/article/10.3389/feart.2020.00367/full
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