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Xiangornis
Xiangornis was an ancient bird that lived about 120 million years ago. It had a mix of features from two big groups of early birds, making it a mysterious and special creature. Its wing bones were already fused together like in modern birds, which helped it fly strongly.12
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Datos curiosos
Xiangornis belongs to a group called Enantiornithes, which were the most common birds during the Cretaceous period.31
Its wing bones (carpometacarpus) were completely fused together, both near the body and far from it, just like in modern birds.12
Xiangornis had a large extensor process on its wing, a bony bump that helped attach muscles and ligaments for strong flight.12
This bird shows that some features thought to belong only to modern birds actually evolved earlier and separately in enantiornithines.12
Xiangornis lived during the Aptian age, about 121 to 113 million years ago, in what is now Liaoning, China.3
Para expertos en dinos
- Nome científico
- Xiangornis
- Bautizado por
- Hu et al. 20124
- Grupo
- Aves primitivas
- Familia / clado
- Enantiornithes4
- Clasificación
- Theropoda > Avialae4
- Idade das rochas
- de 121 a 113 millóns de anos (Aptian)4
- Formacións rochosas
- Jiufotang4
- Países
- China4
- Rexistros fósiles
- 1 na Paleobiology Database4
- Descubrimento
- Xiangornis was named by Hu and colleagues in 2012 based on a partial skeleton found in the Jiufotang Formation of Liaoning, China. The fossil includes wing and shoulder bones.31
- Aínda en debate
- Scientists are still debating whether Xiangornis is truly an enantiornithine or if it blurs the line between enantiornithines and ornithuromorphs (the group that includes modern birds).12
De onde veñen os datos
- A new enantiornithine bird from the Lower Cretaceous of Western Liaoning, China, and its implications for early avian evolution (tandfonline.com)
- A new enantiornithine bird from the Lower Cretaceous of Western Liaoning, China, and its implications for early avian evolution (ivpp.cas.cn)
- PBDB Taxon (paleobiodb.org)
- Xiangornis in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.
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