Allkaruen

Igama lithetha: “ancient brain”1

Yayitya: IintlanziIzirhubuluzi ezibhabhayoiJurassic yokuqala ukuya ku-iJurassic ephakathiNgokwenene ayisiyo dayinaso

Allkaruen was a small flying reptile that lived about 180 to 168 million years ago. It had a very well-preserved brain case, which helps scientists learn how pterosaur brains evolved.3 1

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

Yaphila

180 ukuya ku-169 izigidi zeminyaka eyadlulayo3

iJurassic yokuqala ukuya ku-iJurassic ephakathi

Iifosili zifunyenwe:

La Lluvia locality, Cañadón Carrizal, Chubut Province, Argentina1

Esona santya siphezulu

malunga ne-52 km/h (32 mph)

Ukubhabha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayikhawuleza kangakanani?

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

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

Allkaruen malunga ne-52 km/h (32 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Allkaruen's name comes from the Tehuelche words 'all' meaning brain and 'karuen' meaning ancient, so it means 'ancient brain'.1

Its brain case was found uncrushed, which is very rare for pterosaurs, and scientists used CT scans to make a virtual model of its brain.1

Allkaruen had a mix of old and new brain features, which helps fill a gap between early pterosaurs and the later pterodactyloids.1

The fossils were found in a lake deposit, and the species name 'koi' means lake in Tehuelche.1

Allkaruen lived during the Early to Middle Jurassic, about 180 to 168 million years ago.3

Its lower jaw was long with a concave profile, and it had large, separated teeth at the front.1

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

ubuzile

Eyona mibuzo ibuzwa kakhulu: Allkaruen

?Was Allkaruen a dinosaur?

No, Allkaruen was a pterosaur, a flying reptile that lived at the same time as dinosaurs but was not a dinosaur.2

?How big was Allkaruen?

Allkaruen was a small pterosaur. Its exact size is not known, but its skull was only a few centimetres long.2

?What did Allkaruen eat?

Scientists are not sure, but its long lower jaw with large front teeth suggests it may have caught fish or other small prey.2

?Where did Allkaruen live?

Allkaruen lived in what is now Argentina, near a lake. Its fossils were found in the Cañadón Asfalto Formation in Chubut Province.2

Kwiingcali zeedayinaso

Igama lenzululwazi: Allkaruen
Inikwe igama ngu:: Codorniú et al. 20163
Iqela: Izirhubuluzi ezibhabhayo
Usapho / iclade: Breviquartossa3
Ukuhlelwa: Pterosauria3
Ubudala bamatye: 180 ukuya ku-169 izigidi zeminyaka (Toarcian / Bajocian)3
Izakhiwo zamatye: Cañadón Asfalto3
Amazwe: i-Argentina3
Iirekhodi zeefosili: 1 kwi-Paleobiology Database3
Ukufunyanwa: Allkaruen was named by Codorniú and colleagues in 2016, based on fossils found in Argentina. The main specimen includes a braincase, a lower jaw, and neck bones.3 1
Kusaxoxwa ngayo: Scientists are still debating how Allkaruen is related to other pterosaurs, because some of its features are similar to both early and later groups.1

Apho iinyani zivela khona

A Jurassic pterosaur from Patagonia and the origin of the pterodactyloid neurocranium (pmc.ncbi.nlm.nih.gov)
Allkaruen (en.wikipedia.org)
Allkaruen in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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