Mengciusornis

Igama lithetha: “Mencius bird”1

Yayitya: InyamaIintaka zokuqalaiCretaceous yokuqala

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

Yaphila

121 ukuya ku-113 izigidi zeminyaka eyadlulayo3

iCretaceous yokuqala

Iifosili zifunyenwe:

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

Esona santya siphezulu

malunga ne-27 km/h (17 mph)

Ukubhabha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Mengciusornis malunga ne-27 km/h (17 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

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

Umfanekiso owenziwe yi-AI: Mengciusornis — Umfanekiso owenziwe yi-AI obonisa indlela Mengciusornis esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

Kwiingcali zeedayinaso

Igama lenzululwazi: Mengciusornis
Inikwe igama ngu:: Wang et al. 20203
Iqela: Iintaka zokuqala
Usapho / iclade: Schizoouridae3
Ukuhlelwa: Theropoda > Avialae3
Ubudala bamatye: 121 ukuya ku-113 izigidi zeminyaka (Aptian)3
Izakhiwo zamatye: Jiufotang3
Amazwe: iTshayina3
Iirekhodi zeefosili: 1 kwi-Paleobiology Database3
Ukufunyanwa: 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
Kusaxoxwa ngayo: Scientists are still debating exactly how Mengciusornis is related to other early birds and how tooth loss evolved in its lineage.2

Apho iinyani zivela khona

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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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