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Makambo ya kosepelisa
Yumenornis lived about 121 to 113 million years ago, during the early Cretaceous period.2
The only known fossil of Yumenornis includes a partial breastbone, shoulder bones, and a complete right wing.1
Yumenornis was a relative of Gansus, another ancient bird from the same area in China.1
Scientists think Yumenornis was larger than its relative Gansus, based on its thicker upper arm bone.1
Yumenornis had a sharp, pointy breastbone shaped like a 90-degree angle, unlike the wider breastbone of Gansus.1
The tip of the Yumenornis wing was longer than its upper arm, giving it a long hand section.1

Mpo na bayebi ya badino
- Nkombo ya siansi
- Yumenornis
- Nkombo epesamaki na
- Wang et al. 20133
- Lisanga
- Bandeke ya liboso
- Libota / klade
- Ornithuromorpha3
- Klasifikasio
- Theropoda > Avialae3
- Mbula ya mabanga
- mbula milio 121 kino 113 (Aptian)3
- Milongo ya mabanga
- Xiagou3
- Bikolo
- Sina3
- Bafosile oyo ekomami
- 1 na The Paleobiology Database3
- Ntango bamonaki yango
- Yumenornis was named by Wang and colleagues in 2013 based on a fossil found in the Changma Basin of Gansu Province, China. The name honors Yumen City near the discovery site and Mr. Zhao-Chu Huang.1
- Naino bazali kowelana
- Because the only fossil lacks the legs and feet, scientists are not sure whether Yumenornis lived in trees, on the ground, or near water.1
Esika makambo euti
- Previously Unrecognized Ornithuromorph Bird Diversity in the Early Cretaceous Changma Basin, Gansu Province, Northwestern China | PLOS One (journals.plos.org)
- PBDB Taxon (paleobiodb.org)
- Yumenornis in The Paleobiology Database (CC BY 4.0): mbula, bisika, milongo ya mabanga, klasifikasio.
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