Alnashetri

Il num vul dir: “slender thighs”1

Mangiava: CharnDinos curius cun plimasCretacic tempriv

Alnashetri was a tiny, feathered dinosaur that sprinted through the forests of ancient Argentina. It belonged to a group called alvarezsauroids, known for their long legs and bird-like feet. Scientists think it used its speed to chase after small prey.1

Viveva

avant 113 fin 110 milliuns onns4

Cretacic tempriv

Fossils chattads en

La Buitrera, Río Negro Province, Argentina1

Spertadad maximala

var 30 km/h (19 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Alnashetri var 30 km/h (19 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Alnashetri had a low ridge on its shin bone that separated the ankle joint from the outer part of the bone, a unique feature not seen in other coelurosaurs.1

The only known fossils are the hind legs of one individual, found in 2005 at a site called Hoyada de los Esfenodontes.1

Its name comes from the Tehuelche language and means 'slender thighs,' because its legs were long and slim.1

Alnashetri lived alongside the dromaeosaurid Buitreraptor, but the two dinosaurs are easy to tell apart by differences in their foot bones.1

The rocks where Alnashetri was found also contain fossils of ancient snakes, rhynchosaurs, and mammals, showing that La Buitrera was a rich ecosystem.1

Maletg da Alnashetri fatg cun IA — In maletg fatg cun IA che mussa co Alnashetri pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart Alnashetri

?How big was Alnashetri?

Alnashetri was about the size of a crow, making it one of the smallest known dinosaurs.3

?What did Alnashetri eat?

It probably hunted small animals like lizards, snakes, mammals and invertebrates.3

?When did Alnashetri live?

Alnashetri lived during the Early Cretaceous, about 111 to 106 million years ago.1

?Where was Alnashetri found?

Its fossils were discovered in La Buitrera, Río Negro Province, Argentina, in the Candeleros Formation.1

Per experts da dinos

Num scientific: Alnashetri
Numnà da: Makovicky et al. 20124
Gruppa: Dinos curius cun plimas
Famiglia / clada: Alvarezsauridae4
Classificaziun: Theropoda > Alvarezsauridae4
Vegliadetgna da la crappa: 113 fin 110 milliuns onns (Albian)4
Formaziuns da crap: Candeleros4
Pajais: Argentinia4
Chats da fossils: 2 en The Paleobiology Database4
Scuverta: Alnashetri was first described by paleontologists Peter Makovicky, Sebastián Apesteguía, and Federico Gianechini in 2012. The name honors the nearby village of Cerro Policía, whose residents helped with fieldwork.1
Anc discutà: Scientists are not sure exactly where Alnashetri fits on the dinosaur family tree. Its ankle bones suggest it was an alvarezsauroid, but this evidence comes from only one part of the body and might be misleading.1 2

Danunder che vegnan ils fatgs

Alnashetri (en.wikipedia.org)
A New Coelurosaurian Theropod from the La Buitrera Fossil Locality of Río Negro, Argentina (ri.conicet.gov.ar)
'Exquisite' fossil of one of the smallest dinosaurs found in Argentina | Reuters (reuters.com)
Alnashetri in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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