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Pycnonemosaurus

Izenaren esanahia: “dense forest lizard”1

Jaten zuen: HaragiaDino haragijaleakGoi Kretazeoa

Pycnonemosaurus was a big meat-eating dinosaur with sharp teeth and strong legs. It lived in what is now Brazil, about 72 million years ago. It was one of the largest abelisaurids, a group of short-snouted predators.1

Bizi izan zen

Duela 100 eta 66 milioi urte artean4

Goi Kretazeoa

Fosilak hemen aurkitu dira:

Fazenda Roncador (now Jangada Roncador), Mato Grosso, Brazil1 4

Luzera

6 eta 9 m artean (20 eta 30 ft artean)1

Pisua

1,2 tona eta 3,6 tona artean (2 600 eta 7 900 lb artean)1

Altuera

2,7 m (8,9 ft)

kalkulua

Abiadura maximoa

30 km/h inguru (19 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?

2,5 auto bezain astun

ilaran aparkatutako 2 auto bezain luzebata bestearen atzean jarritako 50 banana bezain luze180 txakur bezain astun720 angurria bezain astunhaurrez betetako 4 ikasgela oso bezain astun8 hartz zuri bezain astun100 metro 12 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Pycnonemosaurus 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)

Pycnonemosaurus 30 km/h inguru (19 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Pycnonemosaurus is the largest formally described abelisaurid, with later estimates reaching about 8.9 metres (29.2 ft) long.1

Its bones were found in red conglomeratic sandstone, and the surface was abraded, meaning the bones were partly exposed before being collected.1

The only known skeleton is incomplete, including five teeth, parts of seven tail vertebrae, a right pubis, a right tibia, and part of a right fibula.1 2

It had a small pubic foot and a hatchet-shaped cnemial crest on its tibia, which are unique features among abelisaurs.1 2

The specimen is thought to be from an immature individual, probably a subadult, so adults might have been even larger.1

Its tail vertebrae have fan-shaped transverse processes and forward projections, typical of abelisaurids, but these projections become smaller towards the end of the tail.1

Pycnonemosaurus: AAk egindako irudia — Pycnonemosaurus 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

Pycnonemosaurus: gehien egindako galderak

?How big was Pycnonemosaurus?

It was about 8.9 metres long and weighed around 3.6 tonnes. That makes it the largest formally described abelisaurid.1

?What did Pycnonemosaurus eat?

It was a predator that probably ate titanosaurs, which were huge long-necked dinosaurs found in the same area. Its small, sharp teeth helped it grip struggling prey.1

?Where was Pycnonemosaurus found?

Its bones were found in Brazil, in the state of Mato Grosso, in red conglomeratic sandstone of the Cachoeira do Bom Jardim Formation.1

?When did Pycnonemosaurus live?

It lived during the Late Cretaceous, about 72 million years ago, in the late Campanian to early Maastrichtian stages.1

?Was Pycnonemosaurus a dinosaur?

Yes, it was a carnivorous theropod dinosaur, part of the group Abelisauridae.1

?Is Pycnonemosaurus bigger than Carnotaurus?

Yes, Pycnonemosaurus was larger. It reached about 8.9 metres long, while Carnotaurus was about 7.8 metres long.3

Mito-hauslea

Mitoa: Pycnonemosaurus was a small dinosaur.

Egia: It was actually one of the largest abelisaurids, with length estimates up to 9 metres (29.5 ft) and weight up to 3.6 tonnes (4.0 short tons).1

Dino adituentzat

Izen zientifikoa: Pycnonemosaurus
Izendatzailea:: Kellner and Campos 20024
Taldea: Dino haragijaleak
Familia / klada: Abelisauridae4
Sailkapena: Theropoda > Ceratosauria > Abelisauridae4
Arroken adina: 100 eta 66 milioi urte artean (Cenomanian / Maastrichtian)4
Herrialdeak: Brasil4
Fosil-erregistroak: 1 The Paleobiology Database datu-basean4
Aurkikuntza: The fossils were collected in 1952 to 1953 by Llewellyn Ivor Price at a farm called Roncador in Mato Grosso, Brazil. The species was named by Kellner and Campos in 2002.1 4
Oraindik eztabaidagai: Scientists are not sure about its exact size because the only skeleton is incomplete and from a young individual, so estimates range from 6 to 9 metres long.1

Datuak nondik datozen

Pycnonemosaurus (en.wikipedia.org)
On a theropod dinosaur (Abelisauria) from the continental Cretaceous of Brazil (eurekamag.com)
Allometry and body length of abelisauroid theropods: Pycnonemosaurus nevesi is the new king (sciencedirect.com)
Pycnonemosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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