Mengciusornis

Izina risobanura: “Mencius bird”1

Yaryaga: InyamaInyoni za mbereKiretase ya mbere

Mengciusornis was an early bird that lived in China during the time of the dinosaurs. It had sharp, curved teeth in its upper beak, but the rest of its mouth was toothless. This little creature could fly and probably hunted for insects and small animals.1 2

Yabayeho

hashize imyaka miliyoni 121 kugeza 1133

Kiretase ya mbere

Ibisigazwa byabonetse muri

Lamadong, Jianchang, Liaoning Province, China (Jiufotang Formation)3 1

Umuvuduko wo hejuru

nka 27 km/h (17 mph)

Kuguruka, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Mengciusornis nka 27 km/h (17 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

Mengciusornis had teeth only in the front part of its upper jaw, called the premaxilla. Its close relative Schizooura had no teeth at all.1 2

The only known fossil of Mengciusornis is a well-preserved skeleton that even shows remains of feathers.1

Mengciusornis lived about 121 to 113 million years ago, during the Early Cretaceous period.3

Its name honors the ancient Chinese philosopher Mencius, and 'dentatus' means 'toothed' in Latin.1

Mengciusornis had a V-shaped wishbone (furcula) and a large, rectangular crest on its upper arm bone.2

Scientists think tooth loss in early birds happened in different ways in different groups. Mengciusornis shows a unique pattern where the front of the upper jaw kept teeth while the rest of the mouth lost them.2

Ishusho ya Mengciusornis yakozwe na AI — Ishusho yakozwe na AI yerekana uko Mengciusornis ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.

Ku bazobereye muri dinozore

Izina rya siyansi: Mengciusornis
Yiswe na: Wang et al. 20203
Itsinda: Inyoni za mbere
Umuryango / ishami: Schizoouridae3
Ishyirwa mu byiciro: Theropoda > Avialae3
Imyaka y'amabuye: imyaka miliyoni 121 kugeza 113 (Aptian)3
Inzego z'amabuye: Jiufotang3
Ibihugu: Ubushinwa3
Ibisigazwa byanditswe: 1 muri The Paleobiology Database3
Ivumburwa: Mengciusornis was named in 2019 by Wang and colleagues based on a single fossil skeleton (IVPP V26275) from the Jiufotang Formation in China.1 3
Biracyagibwaho impaka: Scientists are still debating exactly how Mengciusornis is related to other early birds and how tooth loss evolved in its lineage.2

Aho amakuru yakuwe

Mengciusornis (en.wikipedia.org)
New toothed Early Cretaceous ornithuromorph bird reveals intraclade diversity in pattern of tooth loss: Journal of Systematic Palaeontology: Vol 18 , No 8 - Get Access (tandfonline.com)
Mengciusornis in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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