Orientognathus

Igama lithetha: “eastern jaw”1

Yayitya: IintlanziIzirhubuluzi ezibhabhayoiCretaceous yokuqalaNgokwenene ayisiyo dayinaso

Orientognathus was a flying reptile that lived in what is now China during the Late Jurassic. It had a long tail and a mouth full of sharp teeth, perfect for catching fish. It was one of the largest pterosaurs of its kind in that region.2 1

Inyani emnandi: iipterosauri zazibhabha phezu kweedayinaso, kodwa zazingabazala bazo, hayi iidayinaso ngokwazo.

Yaphila

143 ukuya ku-137 izigidi zeminyaka eyadlulayo3

iCretaceous yokuqala

Iifosili zifunyenwe:

Chaoyang, Liaoning Province, China2 1

Ububanzi bamaphiko

1.1 m (3.6 ft)3

Esona santya siphezulu

malunga ne-37 km/h (23 mph)

Ukubhabha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Amaphiko ayo ayebanzi kangakanani?

inde njengeekati zasekhaya ezingama-2, impumlo ukuya emsileniibinokubhabha inqumle ibala lebhola ekhatywayo lonke ngemizuzwana engama-10

Orientognathus wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Orientognathus malunga ne-37 km/h (23 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

Orientognathus is the largest rhamphorhynchine pterosaur found in the Upper Jurassic rocks of northeastern China.2

Its lower jaw tip was toothless and slightly pointed, unlike many other pterosaurs.2

The length of its wing metacarpal (hand bone) was only 38 percent of the length of its upper arm bone, a short ratio compared to other pterosaurs.2

Orientognathus had straight teeth, while some related pterosaurs like Fenghuangopterus had curved teeth.2

It lived about 155 million years ago, during the Late Jurassic, and is perhaps the youngest Jurassic pterosaur from western Liaoning, China.1 2

Umfanekiso owenziwe yi-AI: Orientognathus — Umfanekiso owenziwe yi-AI obonisa indlela Orientognathus esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

Kwiingcali zeedayinaso

Igama lenzululwazi: Orientognathus
Inikwe igama ngu:: Lu et al. 20153
Iqela: Izirhubuluzi ezibhabhayo
Usapho / iclade: Rhamphorhynchidae3
Ukuhlelwa: Pterosauria > Rhamphorhynchidae3
Ubudala bamatye: 143 ukuya ku-137 izigidi zeminyaka (Berriasian)3
Izakhiwo zamatye: Tuchengzi3
Amazwe: iTshayina3
Iirekhodi zeefosili: 1 kwi-Paleobiology Database3
Ukufunyanwa: Orientognathus was named and described in 2015 by Lü Junchang and colleagues, based on an incomplete skeleton found in the Tuchengzi Formation of Chaoyang, Liaoning, China.2 1
Kusaxoxwa ngayo: Scientists are not sure whether Orientognathus belongs to the subfamily Rhamphorhynchinae or is a more basal rhamphorhynchid, because the fossil is incomplete.2 1

Apho iinyani zivela khona

Orientognathus (en.wikipedia.org)
A new rhamphorhynchid pterosaur (Pterosauria) from Jurassic deposits of Liaoning Province, China (mapress.com)
Orientognathus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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