Eocathayornis

Izenaren esanahia: “dawn Cathayornis, referring to its more primitive build compared to Cathayornis”1

Jaten zuen: HaragiaLehen hegaztiakBehe Kretazeoa

Eocathayornis was a small, early bird that lived during the Age of Dinosaurs. It could flap its wings powerfully and fly like a modern bird, but it still had teeth and claws on its wings.2

Bizi izan zen

Duela 121 eta 113 milioi urte artean3

Behe Kretazeoa

Fosilak hemen aurkitu dira:

Boluochi, Chaoyang County, Liaoning Province, northeast China2 1

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)

Eocathayornis 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

Eocathayornis had a reduced claw on its third wing finger, but the other two wing claws were still present.2

Its radius bone was about three-fourths as wide as its ulna, which helped make its wing strong for flapping.2

The sternum (breastbone) had a keel and a pair of long, backward-pointing processes, adaptations for flight.2

Eocathayornis was about the same size as Cathayornis, another early bird from the same fossil site.2

It lived around 120 million years ago, during the Early Cretaceous period.1

The only known fossil is a skull and upper body preserved as impressions in rock, split into two slabs.1

Eocathayornis: AAk egindako irudia — Eocathayornis 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: Eocathayornis
Izendatzailea:: Zhou 20023
Taldea: Lehen hegaztiak
Familia / klada: Enantiornithes3
Sailkapena: Theropoda > Avialae3
Arroken adina: 121 eta 113 milioi urte artean (Aptian)3
Arroka-formazioak: Jiufotang3
Herrialdeak: Txina3
Fosil-erregistroak: 1 The Paleobiology Database datu-basean3
Aurkikuntza: The fossil was collected in 1994 by Zhou Zhonghe from the Jiufotang Formation in Liaoning, China. Zhou named it Eocathayornis walkeri in 2002, honoring Cyril Alexander Walker for his work on Enantiornithes.1 2
Oraindik eztabaidagai: Scientists are not sure exactly how Eocathayornis is related to other early birds, but it is thought to be more primitive than Cathayornis.1

Datuak nondik datozen

Eocathayornis (en.wikipedia.org)
A new and primitive enantiornithine bird from the Early Cretaceous of China (ivpp.cas.cn)
Eocathayornis in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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