Kartu dino No. 1318 ci 2 027

Orienantius

Tur bi mooy: “east opposite bird”1

Lekkoon: YàppPicc yu jëkk yiKretase bu jëkk

Orienantius was a tiny bird that lived about 130 million years ago in what is now China. It had feathers and could fly, but it was not like modern birds, it belonged to an ancient group called enantiornithines, which had a different way of flying.2 1

Dundoon

am na 133 ba 126 milyoŋ at3

Kretase bu jëkk

Fosil yu ñu gis ci

Hebei Province, China1 2

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)

Orienantius 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

Orienantius is known from two nearly complete skeletons that still have feathers and even soft tissues like wing skin preserved.1 2

It was about the size of a modern Eurasian Skylark, a small songbird.1

Orienantius could fly with high maneuverability and used a flap-gliding style, like some birds today.2

The holotype (main specimen) was not fully grown when it died, some of its bones had not yet fused together.1

Its name comes from Latin and Greek words meaning 'east' and 'opposite', referring to its discovery in East Asia and its group Enantiornithes.1

Orienantius lived during the Early Cretaceous, making it one of the oldest known enantiornithine birds.2

Nataalu Orienantius bu ñu def ak IA — Nataal bu IA def la, muy wone ni Orienantius 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: Orienantius
Ku ko tudde: Liu et al. 20193
Kurél: Picc yu jëkk yi
Njaboot / klad: Enantiornithes3
Klasifikasiyoŋ: Theropoda > Avialae3
Màggaayu doj yi: 133 ba 126 milyoŋ at (Hauterivian)3
Formasiyoŋi doj: Huajiying3
Réew yi: Siin3
Fosil yu ñu gis: 1 ci The Paleobiology Database3
Gisees: Orienantius was named in 2019 by Di Liu and colleagues based on two fossils from the Huajiying Formation in Hebei, China. The species name ritteri honors German scientist Johann Wilhelm Ritter.1 2
Ñu ngi koy werante ba tey: Scientists are still debating exactly how Orienantius and other early enantiornithines evolved their flight abilities, since they show features of both primitive and advanced birds.2

Fa xibaar yi jóge

Orienantius (en.wikipedia.org)
Soft tissue preservation in two new enantiornithine specimens (Aves) from the Lower Cretaceous Huajiying Formation of Hebei Province, China (sciencedirect.com)
Orienantius in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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