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

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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Bibliographic Details
Main Authors: Xiaoting Zheng, Jingmai O’Connor, Yan Wang, Xiaoli Wang, Yin Xuwei, Xiaomei Zhang, Zhonghe Zhou
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-09-01
Series:Frontiers in Earth Science
Subjects:
rhamphotheca
keratin
beak
soft tissue
Jehol avifauna
Early Cretaceous
Online Access:https://www.frontiersin.org/article/10.3389/feart.2020.00367/full

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https://www.frontiersin.org/article/10.3389/feart.2020.00367/full

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