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Duonychus

Izenaren esanahia: “two-clawed”1

Jaten zuen: LandareakDino lumadun bitxiakGoi Kretazeoa

Duonychus was a weird, plant-eating dinosaur with only two fingers on each hand, unlike most other meat-eating dinosaurs. It used its big, curved claws to grab branches and pull leaves close to its mouth. It lived in what is now Mongolia during the Late Cretaceous Period.1

Bizi izan zen

Duela 100 eta 84 milioi urte artean5

Goi Kretazeoa

Fosilak hemen aurkitu dira:

Urlibe Khudak locality, Bayanshiree Formation, Gobi Desert, Mongolia5 1

Luzera

3 m (9,8 ft)2 3

Pisua

259 kg eta 268 kg artean (571 eta 591 lb artean)1 4

Altuera

1,2 m (3,9 ft)

kalkulua

Abiadura maximoa

28 km/h inguru (17 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?

kalkulua

Zein astuna zen?

13 txakur bezain astun

3 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 17 banana bezain luze54 angurria bezain astunhaur-eskolako 14 haur bezain astun8 eskolaume bezain astun100 metro 13 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Duonychus 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)

Duonychus 28 km/h inguru (17 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Duonychus is the first therizinosaur known to have only two fingers on each hand, instead of the usual three.1

The fossil includes a rare preserved keratinous claw, the hard material that covered the bone, which is almost never found in dinosaurs.1

Its name means 'two-clawed', and the species name honors Mongolian paleontologist Khishigjav Tsogtbaatar.1

Duonychus lived about 95 to 89 million years ago, during the Cenomanian to Santonian stages.1

The strong curve of its claws and high flexibility suggest it was a grasping animal, using its hands to pull down branches.1

Duonychus is a therizinosaur, a group of dinosaurs that, despite being meat-eater relatives, turned to eating plants.1

Duonychus: AAk egindako irudia — Duonychus 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

Duonychus: gehien egindako galderak

?How big was Duonychus?

About 3 metres long and weighed around 260 kilograms.2

?What did Duonychus eat?

It was a plant-eater. It used its big, curved claws to grab branches and pull leaves to its mouth.2 1

?Why did Duonychus have only two fingers?

Scientists are not sure why, but it is the first therizinosaur known to have only two fingers on each hand instead of three. This helped it grasp vegetation.2 1

?Did Duonychus have feathers?

The fossil does not preserve feathers, but many therizinosaurs are thought to have had feathers. Duonychus was a theropod dinosaur, and many theropods had feathers.2

?When did Duonychus live?

It lived about 95 to 89 million years ago, during the Late Cretaceous Period.2 1

?Could Duonychus climb trees?

Probably not. Its claws were best for grasping branches and pulling them down to eat, not for climbing.1

Mito-hauslea

Mitoa: Some people think Duonychus was a fast, fierce predator because it had big claws.

Egia: Actually, Duonychus was a plant-eater, and its claws were for grasping vegetation, not for hunting.1

Dino adituentzat

Izen zientifikoa: Duonychus
Izendatzailea:: Kobayashi et al. 20255
Taldea: Dino lumadun bitxiak
Familia / klada: Therizinosauridae5
Sailkapena: Theropoda > Therizinosauria5
Arroken adina: 100 eta 84 milioi urte artean (Cenomanian / Santonian)5
Arroka-formazioak: Baynshire5
Herrialdeak: Mongolia5
Fosil-erregistroak: 1 The Paleobiology Database datu-basean5
Aurkikuntza: Duonychus was named by Kobayashi and colleagues in 2025, based on a partial skeleton found in the Gobi Desert, Mongolia. The fossil was collected from the Urlibe Khudak locality.5 1
Oraindik eztabaidagai: Scientists are still debating why Duonychus lost one finger, since most therizinosaurs had three. It might have helped it grasp branches more effectively.1

Datuak nondik datozen

Didactyl therizinosaur with a preserved keratinous claw from the Late Cretaceous of Mongolia (pmc.ncbi.nlm.nih.gov)
Duonychus (Wikipedia) (Wikipedia)
Weird Mongolian dinosaur wielded 'big, sharp and nasty' claws (reuters.com)
Didactyl therizinosaur with a preserved keratinous claw from the Late Cretaceous of Mongolia: iScience (cell.com)
Duonychus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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