Kartu dino No. 1994 ci 2 027

Yuornis

Tur bi mooy: “Henan bird, after the Chinese abbreviation for Henan province”1

Lekkoon: YàppPicc yu jëkk yiKretase bu mujj

Yuornis was a bird that lived alongside the last dinosaurs. It had a toothless beak, just like modern birds, which was very rare for its time.1

Dundoon

am na 72 ba 66 milyoŋ at3

Kretase bu mujj

Fosil yu ñu gis ci

Qiupa Formation, Luanchuan Basin, Henan, China3 1

Gaawaay bi gën a kawe

lu tollu ci 27 km/h (17 mph)

Naaw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Yuornis lu tollu ci 27 km/h (17 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

Yuornis is one of the most complete Late Cretaceous enantiornithine birds ever found, with a three-dimensionally preserved skull.1

Unlike most enantiornithines, Yuornis had no teeth. Its skull looked a lot like modern birds because it lost several bones, like the lacrimal and postorbital.1

The name Yuornis comes from 'Yu', the one-character abbreviation for Henan province in China, where it was discovered.1

Yuornis lived about 72 to 66 million years ago, during the very end of the Age of Dinosaurs.3

Its closest relative might be Gobipteryx, another toothless bird from the Late Cretaceous, but scientists are not sure because tooth loss evolved many times.1

Nataalu Yuornis bu ñu def ak IA — Nataal bu IA def la, muy wone ni Yuornis mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

Ngir ñi xam dino lool

Turu xam-xam: Yuornis
Ku ko tudde: Xu et al. 20213
Kurél: Picc yu jëkk yi
Njaboot / klad: Enantiornithes3
Klasifikasiyoŋ: Theropoda > Avialae3
Màggaayu doj yi: 72 ba 66 milyoŋ at (Maastrichtian)3
Formasiyoŋi doj: Qiupa3
Réew yi: Siin3
Fosil yu ñu gis: 1 ci The Paleobiology Database3
Gisees: Yuornis was named in 2021 by Xu Li and colleagues. The species name junchangi honors paleontologist Lü Junchang. The fossil was found in the Qiupa Formation of Henan, China.1 2
Ñu ngi koy werante ba tey: Scientists are not sure whether Yuornis belongs to the family Gobipterygidae, because the features linking it to that group are all related to tooth loss, which evolved many times separately.1

Fa xibaar yi jóge

Yuornis (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Yuornis in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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