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Confuciusornis is a genus of basal crow-sized avialan from the Early Cretaceous Period of the Yixian and Jiufotang Formations of China, dating from 125 to 120 million years ago. Like modern birds, Confuciusornis had a toothless beak, but closer and later relatives of modern birds such as Hesperornis and Ichthyornis were toothed, indicating that ...
The group was given a phylogenetic definition by Chiappe, in 1999, who defined a node-based clade Confuciusornithidae to include only Changchengornis and Confuciusornis. [3] There are a number of features that define the clade. The most significant is the presence of a toothless jaw, which shows a more birdlike adaptation compared to Archaeopteryx.
Eoconfuciusornis was somewhat smaller than Confuciusornis, but otherwise very similar with a pointed toothless beak. Compared to the latter it had longer legs and lacked a pierced deltopectoral crest on the humerus. [1] Eoconfuciusornis was assigned to the Confuciusornithidae.
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[15]: 123 Pearls are often depicted with the imperial dragon as according to the legend, the dragon guards a peal under the water. [16]: 132 The pearl is one of the Eight treasures and regularly appears on textiles and rank badge. [15]: 123 By the mid-Qing dynasty, the pearl evolved into the flaming pearl.
Confuciusornis sanctus, a Cretaceous bird from China that lived 125 million years ago, is the oldest known bird to have a beak. [ 33 ] Over 40% of key traits found in modern birds evolved during the 60 million year transition from the earliest bird-line archosaurs to the first maniraptoromorphs , i.e. the first dinosaurs closer to living birds ...
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