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Appalachiosaurus

Izenaren esanahia: “Appalachian lizard”1

Jaten zuen: HaragiaTiranosauroakGoi Kretazeoa

Appalachiosaurus was a meat-eating dinosaur that lived in eastern North America during the Late Cretaceous. It was a close cousin of the famous Tyrannosaurus rex, but it was smaller and lived earlier. Only a young skeleton has been found, so scientists are still guessing how big the grown-ups were.1

Bizi izan zen

Duela 86 eta 66 milioi urte artean4

Goi Kretazeoa

Fosilak hemen aurkitu dira:

Alabama, South Carolina, North Carolina, and Georgia, USA1 2

Luzera

6,5 m (21 ft)1

Pisua

623 kg (1 400 lb)1

Abiadura maximoa

40 km/h inguru (25 mph)

Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein astuna zen?

31 txakur bezain astun

6 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 36 banana bezain luze120 angurria bezain astunhaur-eskolako 33 haur bezain astun19 eskolaume bezain astun100 metro 9 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Appalachiosaurus 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)

Appalachiosaurus 40 km/h inguru (25 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Appalachiosaurus is the only known tyrannosauroid dinosaur that lived east of the Western Interior Seaway, in a region called Appalachia.1

The only skeleton found is from a juvenile, about 6.5 metres (21 feet) long and weighing 623 kilograms (1,373 pounds). An adult would have been much bigger.1

It had a row of six low crests on top of its snout, similar to the Asian tyrannosaur Alioramus.1

Two vertebrae in its tail were fused together, possibly from an injury that healed.1

The arms of Appalachiosaurus are poorly known, but scientists think they were short with only two fingers, like in larger tyrannosaurs.1

Its fossils were found in the Demopolis Chalk Formation in Alabama, which was once the bottom of a shallow sea.1

Appalachiosaurus: AAk egindako irudia — Appalachiosaurus 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

Appalachiosaurus: gehien egindako galderak

?How big was Appalachiosaurus?

The only skeleton found is a juvenile about 6.5 metres (21 feet) long and weighing 623 kilograms (1,373 pounds). An adult would have been significantly larger, but scientists do not know exactly how big.1 3

?What did Appalachiosaurus eat?

It was a meat-eating predator that ate other dinosaurs. It had a strong bite but probably didn't crush bones like T. rex, instead it tore flesh from its prey.3

?Did Appalachiosaurus have feathers?

The sources don't say whether Appalachiosaurus had feathers. Many tyrannosauroids are thought to have had some feathers, but no direct evidence has been found for this species.1

?How fast could Appalachiosaurus run?

Scientists estimate it could run at about 13 km/h (8 mph) when chasing prey in forests, but it may have been an ambush predator that waited for prey to come close.3

?Was Appalachiosaurus bigger than T. rex?

No, Appalachiosaurus was much smaller than T. rex. The juvenile was only 6.5 metres long, and even a full-grown adult would have been smaller than T. rex, which could reach over 12 metres.1 3

?When did Appalachiosaurus live?

It lived during the Late Cretaceous period, about 80 to 76 million years ago.3 1

Mito-hauslea

Mitoa: Some early reconstructions showed Appalachiosaurus with long arms and three fingers.

Egia: No arm bones have actually been found, but scientists now think its arms were short with only two fingers, like other advanced tyrannosaurs.1

Dino adituentzat

Izen zientifikoa: Appalachiosaurus
Izendatzailea:: Carr et al. 20054
Taldea: Tiranosauroak
Familia / klada: Tyrannosauroidea4
Sailkapena: Theropoda > Tyrannosauroidea4
Arroken adina: 86 eta 66 milioi urte artean (Santonian / Maastrichtian)4
Arroka-formazioak: Blufftown, Demopolis Chalk, Coachman4
Herrialdeak: AEB4
Fosil-erregistroak: 6 The Paleobiology Database datu-basean4
Aurkikuntza: The first fossil was found by geologist David King in July 1982 in Alabama. It was named Appalachiosaurus montgomeriensis by paleontologists Thomas Carr and Thomas Williamson in 2005.1
Oraindik eztabaidagai: Scientists are not sure how big a full-grown Appalachiosaurus was, because only a juvenile skeleton has been found.1

Datuak nondik datozen

Appalachiosaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Dinosaurs - Appalachiosaurus montgomeriensis - The Australian Museum (australian.museum)
Appalachiosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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