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Paralitherizinosaurus

Izenaren esanahia: “near Therizinosaurus of Japan”1

Jaten zuen: LandareakDino lumadun bitxiakGoi Kretazeoa

Paralitherizinosaurus was a strange, plant-eating dinosaur with long, curved claws on its hands. It lived near the coast of ancient Japan and used its claws to pull leaves and branches toward its mouth. This dinosaur was covered in feathers and looked a bit like a giant, slow-moving bird.1 4

Bizi izan zen

Duela 84 eta 72 milioi urte artean4

Goi Kretazeoa

Fosilak hemen aurkitu dira:

Hokkaido Prefecture, Japan1 4

Luzera

3,6 m (12 ft)2

Pisua

280 kg (617 lb)2

Altuera

1,5 m (4,9 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?

14 txakur bezain astun

4 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 20 banana bezain luze56 angurria bezain astunhaur-eskolako 15 haur bezain astun9 eskolaume bezain astun100 metro 13 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Paralitherizinosaurus 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)

Paralitherizinosaurus 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

Paralitherizinosaurus is the youngest therizinosaur ever found in Japan, living about 83 to 72 million years ago.1

Its fossils were discovered in a marine rock layer, meaning it lived near the coast and its body washed out to sea after death.1

Only a partial hand and a single vertebra have been found, but those bones show it had very slender, curved claws like its relative Therizinosaurus.1

The first bone of its thumb (metacarpal I) was flattened from top to bottom, a unique feature that helps scientists tell it apart from other dinosaurs.1

Its claws had weak flexor tubercles (the bump where a muscle attaches), which means it used a hook-and-pull motion to bring branches to its mouth, not to slash or stab.1

Paralitherizinosaurus is one of the few therizinosaurs found in marine sediments anywhere in the world, along with Nothronychus from North America.1

Paralitherizinosaurus: AAk egindako irudia — Paralitherizinosaurus 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

Paralitherizinosaurus: gehien egindako galderak

?What did Paralitherizinosaurus eat?

It was a plant-eater. It used its long, curved claws to hook and pull leaves and branches toward its mouth.1

?How big was Paralitherizinosaurus?

Nobody knows for sure because only a partial hand and a neck bone have been found. It was probably medium-sized, but its exact size is unknown.3

?Did Paralitherizinosaurus have feathers?

Yes, it was a feathered theropod dinosaur, related to other feathered dinosaurs like Therizinosaurus. It probably looked like a big, slow-moving bird.3

?When did Paralitherizinosaurus live?

It lived during the late Cretaceous period, about 83 to 72 million years ago, making it the youngest therizinosaur from Japan.3 1

Dino adituentzat

Izen zientifikoa: Paralitherizinosaurus
Izendatzailea:: Kobayashi et al. 20224
Taldea: Dino lumadun bitxiak
Familia / klada: Therizinosauridae4
Sailkapena: Theropoda > Therizinosauria4
Arroken adina: 84 eta 72 milioi urte artean (Campanian)4
Arroka-formazioak: Osoushinai4
Herrialdeak: Japonia4
Fosil-erregistroak: 1 The Paleobiology Database datu-basean4
Aurkikuntza: The first fossils of Paralitherizinosaurus were found in a concretion (a hard rock nodule) near a river in Hokkaido, Japan. Scientists Murakami and colleagues first described the bones in 2008, but it was not until 2022 that Kobayashi and his team named it as a new species.1
Oraindik eztabaidagai: Scientists are not sure exactly where Paralitherizinosaurus fits on the therizinosaur family tree. It might be closely related to Therizinosaurus, Suzhousaurus, and another unnamed form from the Bissekty Formation, but the relationships are still debated.1

Datuak nondik datozen

New therizinosaurid dinosaur from the marine Osoushinai Formation (Upper Cretaceous, Japan) provides insight for function and evolution of therizinosaur claws (pmc.ncbi.nlm.nih.gov)
Paralitherizinosaurus japonicus | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
Paralitherizinosaurus (en.wikipedia.org)
Paralitherizinosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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