Tianyuornis

Jaten zuen: HaragiaLehen hegaztiakBehe Kretazeoa

Tianyuornis was a small, feathered bird that lived about 125 million years ago, during the time of the dinosaurs. It had long legs and probably ran around on the ground, using its wings for balance or short flights.1 3

Bizi izan zen

Duela 126 eta 121 milioi urte artean3

Behe Kretazeoa

Fosilak hemen aurkitu dira:

Fossils were found in the Yixian Formation in Inner Mongolia, China.1 3

Abiadura maximoa

27 km/h inguru (17 mph)

Hegan egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Tianyuornis 27 km/h inguru (17 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Tianyuornis had teeth in both its upper and lower jaws, which is unusual for birds and helped scientists confirm that some ancient birds still had teeth.1 2

Its lower jaw (dentary) was straight, while other similar birds had a curved, S-shaped jaw. This unique feature helped scientists identify it as a new species.1 2

Tianyuornis was about the size of a modern phoebe, a small songbird, making it quite tiny compared to many dinosaurs.1

It had long hindlimbs (legs) compared to its forelimbs (wings), which suggests it was a good runner.1 2

The only known fossil is a nearly complete and articulated skeleton of a subadult, meaning it was not fully grown when it died.1 2

Tianyuornis lived in a lake environment, and its fossils were found in lake deposits.1

Tianyuornis: AAk egindako irudia — Tianyuornis nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

Dino adituentzat

Izen zientifikoa: Tianyuornis
Izendatzailea:: Zheng et al. 20143
Taldea: Lehen hegaztiak
Familia / klada: Hongshanornithidae3
Sailkapena: Theropoda > Avialae3
Arroken adina: 126 eta 121 milioi urte artean (Barremian)3
Arroka-formazioak: Yixian3
Herrialdeak: Txina3
Fosil-erregistroak: 1 The Paleobiology Database datu-basean3
Aurkikuntza: Tianyuornis was named by Zheng Xiaoting and colleagues in 2014, based on a nearly complete skeleton found in the Yixian Formation in Inner Mongolia, China.1 3
Oraindik eztabaidagai: Scientists debate whether all members of the Hongshanornithidae family, which includes Tianyuornis, had teeth, but this new fossil helps confirm that they did.2

Datuak nondik datozen

Tianyuornis (en.wikipedia.org)
New Information on Hongshanornithidae (Aves: Ornithuromorpha) from a new subadult specimen (vertpala.ac.cn)
Tianyuornis in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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