Dinokaart nr. 0593 van 2 027

Eocathayornis

Naam beteken: “dawn Cathayornis, referring to its more primitive build compared to Cathayornis”1

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

Het geleef

121 tot 113 miljoen jaar gelede3

Vroeë Kryt

Fossiele gevind in

Boluochi, Chaoyang County, Liaoning Province, northeast China2 1

Topspoed

omtrent 27 km/h (17 mph)

Vlieënd, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Eocathayornis omtrent 27 km/h (17 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

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

KI-prent van Eocathayornis — 'n KI-prent van hoe Eocathayornis dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

Vir dino-kenners

Wetenskaplike naam: Eocathayornis
Benoem deur: Zhou 20023
Groep: Vroeë voëls
Familie / klade: Enantiornithes3
Klassifikasie: Theropoda > Avialae3
Ouderdom van die rotse: 121 tot 113 miljoen jaar (Aptian)3
Rotsformasies: Jiufotang3
Lande: China3
Fossielrekords: 1 in The Paleobiology Database3
Ontdekking: 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
Steeds omstrede: Scientists are not sure exactly how Eocathayornis is related to other early birds, but it is thought to be more primitive than Cathayornis.1

Waar die feite vandaan kom

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): ouderdom, plekke, rotsformasies, klassifikasie.

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