Allkaruen

Naam beteken: “ancient brain”1

Het geëet: VisVlieënde reptieleVroeë Jura tot Middel-JuraTegnies nie 'n dinosourus nie

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

Prettige feit: pterosourusse het oor die dinosourusse gevlieg, maar hulle was hul neefs, nie self dinosourusse nie.

Het geleef

180 tot 169 miljoen jaar gelede3

Vroeë Jura tot Middel-Jura

Fossiele gevind in

La Lluvia locality, Cañadón Carrizal, Chubut Province, Argentina1

Topspoed

omtrent 52 km/h (32 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)

Allkaruen omtrent 52 km/h (32 mph)

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

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

cool goed

Prettige feite

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

KI-prent van Allkaruen — 'n KI-prent van hoe Allkaruen 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.

julle het gevra

Mees gevraagde vrae oor 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

Vir dino-kenners

Wetenskaplike naam: Allkaruen
Benoem deur: Codorniú et al. 20163
Groep: Vlieënde reptiele
Familie / klade: Breviquartossa3
Klassifikasie: Pterosauria3
Ouderdom van die rotse: 180 tot 169 miljoen jaar (Toarcian / Bajocian)3
Rotsformasies: Cañadón Asfalto3
Lande: Argentinië3
Fossielrekords: 1 in The Paleobiology Database3
Ontdekking: 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
Steeds omstrede: 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

Waar die feite vandaan kom

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): ouderdom, plekke, rotsformasies, klassifikasie.

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