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Mirischia

Izenaren esanahia: “wonderful pelvis”1 2

Jaten zuen: HaragiaDino haragijaleakBehe Kretazeoa

Mirischia was a small, speedy meat-eater that lived in what is now Brazil. It had a very unusual pelvis, with the left and right hip bones shaped differently. This dinosaur was about as long as a small car and probably hunted lizards and other tiny animals.1 2

Bizi izan zen

Duela 120 eta 113 milioi urte artean4

Behe Kretazeoa

Fosilak hemen aurkitu dira:

Araripina region, Pernambuco, northeastern Brazil1 4

Luzera

2,1 m (6,9 ft)1

Pisua

7 kg (15 lb)1

Altuera

0,71 m (2,3 ft)

kalkulua

Abiadura maximoa

34 km/h inguru (21 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 etxeko katu bezain astun

4 etxeko katu bezain luze, sudurretik buztanerabata bestearen atzean jarritako 12 banana bezain luzeetxeko katu bat bezain astun, gutxi gorabehera58 banana bezain astun100 metro 11 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Mirischia 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)

Mirischia 34 km/h inguru (21 mph)

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

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Mirischia had a strange pelvis: the left ischium (hip bone) had a hole, while the right one had an open notch instead. This is why it was named 'asymmetrica'.1

Scientists found a piece of petrified intestine inside the Mirischia fossil. That is very rare for a dinosaur.1 2

The fossil also preserved a space between its pubic and ischial bones that scientists think was an air sac, like the ones birds have today.1

Mirischia lived about 108 million years ago, during the Early Cretaceous, in a hot, dry environment near a lagoon.1 2

Only one Mirischia fossil has ever been found. It was a subadult, so it was still growing when it died.1 2

Mirischia is a compsognathid, meaning it was a relative of the tiny European dinosaur Compsognathus.2

Mirischia: AAk egindako irudia — Mirischia 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

Mirischia: gehien egindako galderak

?How big was Mirischia?

It was about 2.1 metres (6.8 feet) long and weighed around 7 kilograms (15.4 pounds). That is about as long as a bicycle.1 3

?What did Mirischia eat?

Mirischia was a small meat-eater that probably hunted tiny animals like lizards.1

?Did Mirischia have air sacs like birds?

Yes. The fossil shows a space between its hip bones that scientists think was an air sac, just like the ones birds have today.1 3

?Where was Mirischia found?

It was found in northeastern Brazil, in the Chapada do Araripe region of Pernambuco.1 2

Dino adituentzat

Izen zientifikoa: Mirischia
Izendatzailea:: Naish et al. 20044
Taldea: Dino haragijaleak
Familia / klada: Maniraptoromorpha4
Sailkapena: Theropoda4
Arroken adina: 120 eta 113 milioi urte artean (Aptian)4
Arroka-formazioak: Romualdo4
Herrialdeak: Brasil4
Fosil-erregistroak: 1 The Paleobiology Database datu-basean4
Aurkikuntza: The only Mirischia fossil was bought illegally from a fossil dealer by a German museum. In 2004, scientists Darren Naish, David Martill and Eberhard Frey named it Mirischia asymmetrica.1 2
Oraindik eztabaidagai: Scientists are not sure exactly how big Mirischia grew as an adult, because the only known fossil is from a subadult.1

Datuak nondik datozen

Mirischia (en.wikipedia.org)
Ecology, Systematics and Biogeographical Relationships of Dinosaurs, Including a New Theropod, from the Santana Formation (?Albian, Early Cretaceous) of Brazil (darrennaish.wordpress.com)
Mirischia - Wikipedia (en.wikipedia.org)
Mirischia in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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