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Arkansaurus

Izenaren esanahia: “Arkansas lizard”1

Jaten zuen: Denetarik pixka batOstruka-dinoakBehe Kretazeoa

Arkansaurus was a fast, ostrich-like dinosaur that lived in what is now Arkansas, USA, about 113 to 100 million years ago. It ran on two long legs and used its beak to eat plants, insects, and maybe even eggs.1 2

Bizi izan zen

Duela 113 eta 100 milioi urte artean6

Behe Kretazeoa

Fosilak hemen aurkitu dira:

Lockesburg, Arkansas, USA1

Luzera

4,6 m (15 ft)1

Pisua

380,5 kg (839 lb)1

Altuera

1,8 eta 4,6 m artean (5,9 eta 15 ft artean)2

Abiadura maximoa

58 km/h inguru (36 mph)

Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein altua zen?

Zein astuna zen?

19 txakur bezain astun

5 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 26 banana bezain luze76 angurria bezain astunhaur-eskolako 20 haur bezain astun12 eskolaume bezain astun2. solairuko leiho batetik begiratzeko bezain altua100 metro 6,2 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Arkansaurus ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Arkansaurus 58 km/h inguru (36 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Arkansaurus is the only dinosaur fossil ever described from the state of Arkansas.1

Its foot bones show a greenstick fracture, which is the first time such a healed break has been found in a dinosaur fossil.1

The dinosaur was discovered in 1972 by Joe B. Friday on his farm, and it was named after him and the state.1

Arkansaurus was a basal ornithomimosaur, meaning it was an early relative of the ostrich-like dinosaurs, but not as advanced.1

It lived along the shoreline of a shallow sea that covered parts of North America during the Early Cretaceous.2

Scientists think Arkansaurus could run fast because its foot bones were long and slim, with three toes.2

Arkansaurus: AAk egindako irudia — Arkansaurus nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

zure galderak

Arkansaurus: gehien egindako galderak

?How big was Arkansaurus?

Arkansaurus was about 4.6 metres (15 feet) long and weighed around 380.5 kilograms (839 pounds).1

?Did Arkansaurus have feathers?

Yes, like other ornithomimosaurs, Arkansaurus had feathers instead of scales.4

?What did Arkansaurus eat?

Arkansaurus was an omnivore, eating plants, insects, and possibly eggs, using its beak-like mouth.5

?How fast could Arkansaurus run?

Arkansaurus was a very fast runner, with strong back legs and an ostrich-like build.4

?When did Arkansaurus live?

Arkansaurus lived during the Early Cretaceous period, about 113 to 100 million years ago.1 4

?Is Arkansaurus a dinosaur?

Yes, Arkansaurus is a dinosaur. It is an ornithomimosaurian theropod dinosaur.1

Mito-hauslea

Mitoa: Some people think Arkansaurus was a meat-eater like a raptor.

Egia: It was actually an omnivore, eating plants, insects, and maybe eggs, based on its beak and toothless mouth.2

Dino adituentzat

Izen zientifikoa: Arkansaurus
Izendatzailea:: Hunt and Quinn 20186
Taldea: Ostruka-dinoak
Familia / klada: Ornithomimosauria6
Sailkapena: Theropoda > Ornithomimosauria6
Arroken adina: 113 eta 100 milioi urte artean (Albian)6
Herrialdeak: AEB6
Fosil-erregistroak: 1 The Paleobiology Database datu-basean6
Aurkikuntza: The foot bones were found in August 1972 by Joe B. Friday in a gravel pit near Lockesburg, Arkansas. Dr. James Harrison Quinn studied them and named the dinosaur Arkansaurus fridayi, but he died before publishing. The name was officially published in 2018 by paleontologists ReBecca Hunt-Foster and James Harrison Quinn.1
Oraindik eztabaidagai: Scientists are not sure exactly what Arkansaurus looked like because only foot bones have been found. Its appearance is guessed from related dinosaurs.2

Datuak nondik datozen

Arkansaurus (en.wikipedia.org)
“Arkansaurus fridayi” (geology.arkansas.gov)
PBDB Taxon (paleobiodb.org)
U of A Alumna Confirms That State Dinosaur Is a New Species | Arkansas News | University of Arkansas (news.uark.edu)
Arkansaurus fridayi (geology.arkansas.gov)
Arkansaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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