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Kritosaurus

Erinnya litegeeza: “separated lizard”1

Yalyanga: EbimeraEz'emimwa gy'embaataEnkomerero ya Kuretasi

Kritosaurus was a duck-billed dinosaur that lived in North America near the end of the Age of Dinosaurs. It had a big, flat beak like a duck and could walk on two legs or all fours. This plant-eater munched on tough plants with hundreds of teeth in its cheeks.1

Yabeerawo

emyaka obukadde 86 okutuuka ku 66 emabega3

Enkomerero ya Kuretasi

Ebisigalira byazuulibwa mu

New Mexico, Montana, Texas, USA, and Alberta, Canada3 1

Obuwanvu

9 m (30 ft)1

Obuzito

ttani 4 (8,800 lb)1

Obugulumivu

3.1 m (10 ft)

kuteebereza

Sipiidi esinga

nga 22 km/h (14 mph)

Okudduka, kuteebereza

Yabeerawo ddi?

Tiriyasi

Jurasiki

Kuretasi

Emyaka obukadde 252 emabega20114566, asteroyidi

Yali munene atya?

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kuteebereza

Yali muzito kwenkana wa?

obuzito ng'obw'emmotoka 2.5

obuwanvu ng'emmotoka 2 ezisimbiddwa mu lunyiririobuwanvu ng'amenvu 50 nga gaddiriŋŋanaobuzito ng'obw'embwa 200obuzito ng'obwa wotamerooni 800obuzito ng'obw'ebibiina 5 ebijjuvu eby'abaana b'essomeroobuzito ng'obwa ddubu enjeru 9yandidduse mita 100 mu sikonda 16 (omuntu asinga embiro yeetaaga 9.6)

Kritosaurus yali munene atya bw'ogeraageranya ku GGWE?

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Yali wa mbiro kwenkana wa?

Omuntu atambula nga 5 km/h (3 mph)

Omwana ku kagaali nga 12 km/h (7 mph)

Kritosaurus nga 22 km/h (14 mph)

Embalaasi edduka ennyo nga 65 km/h (40 mph)

Cheetah nga 100 km/h (62 mph)

ebintu ebinyuvu

Ebyewuunyisa

Kritosaurus means 'separated lizard' because the bones in its cheek were arranged in a special way.1

The first Kritosaurus fossil was found in 1904 by Barnum Brown in New Mexico, but the front of the skull was missing.1

Scientists once thought Kritosaurus had a Roman nose, but that was because the skull was broken and put back together wrong.1

Kritosaurus lived alongside other dinosaurs like Alamosaurus, Parasaurolophus, Pentaceratops, and Bistahieversor.1

Some scientists think Kritosaurus and Anasazisaurus might be the same dinosaur, but others disagree.1

Kritosaurus could reach about 9 metres (30 feet) long and weigh about 4 metric tons (4.4 short tons).1

Ekifaananyi kya Kritosaurus ekyakolebwa AI, nga kiraga engeri gye yayinza okuba ng'afaanana, ekyakolebwa kompyuta okusinziira ku ebyo bannassaayansi bye bamanyi. Kuteebereza: ekisolo ekyennyini kiyinza okuba nga kyali kifaanana bulala, era tewali amanyi langi zaakyo ez'amazima.

wabuuza

Ebibuuzo ebisinga okubuuzibwa ku Kritosaurus

?How big was Kritosaurus?

Kritosaurus reached about 9 metres (30 feet) long and weighed about 4 metric tons (4.4 short tons). Some partial remains from Mexico may have been around 11 metres (36 feet) long, but those are now considered a different dinosaur.1 2

?What did Kritosaurus eat?

Kritosaurus was a herbivore, eating plants with a broad beak and hundreds of teeth in its cheeks. It could feed from the ground up to about 4 metres (13 feet) high.1

?When did Kritosaurus live?

Kritosaurus lived during the Late Cretaceous, approximately 74.5 to 66 million years ago.1 2

?Where was Kritosaurus found?

Kritosaurus fossils were found in New Mexico, USA, in the De-na-zin Member of the Kirtland Formation. Some bones from Texas and Mexico were also referred to it, but those are now considered different genera.1

?Why is it called Kritosaurus?

Kritosaurus means 'separated lizard' because of the arrangement of its cheek bones. It's sometimes mistranslated as 'noble lizard' due to a mistaken idea about its nose.1

?Did Kritosaurus have a crest?

Yes, based on a skull originally referred to Anasazisaurus, Kritosaurus had a tab-like crest made of nasal bones that rose between and above its eyes and folded back under itself. This crest helped tell it apart from similar duck-billed dinosaurs.1

Omumenyi w'enfumo

Enfumo: Kritosaurus had a big bump on its nose like a Roman nose.

Amazima: The original skull was broken and the nose area was reconstructed flat. Later scientists realized the real shape was probably arched like Gryposaurus.1

Eri abakugu mu dayinoso

Erinnya lya ssaayansi: Kritosaurus
Yatuumibwa: Brown 19103
Ekibinja: Ez'emimwa gy'embaata
Ekika / ekibinja: Hadrosauridae3
Engabanya: Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae3
Emyaka gy'enjazi: emyaka obukadde 86 okutuuka ku 66 (Santonian / Maastrichtian)3
Ensengeka z'enjazi: Kirtland, Fruitland, Fruitland/Kirtland3
Ensi: Amerika, Kanada3
Ebisigalira ebyazuulibwa: 25 mu The Paleobiology Database3
Okuzuulibwa: Barnum Brown discovered the first Kritosaurus fossil in 1904 in New Mexico. He named it in 1910, but the front of the skull was missing and he had to guess what it looked like.1
Kikyakubaganyizibwako ebirowoozo: Scientists still debate whether Kritosaurus is the same as Anasazisaurus and exactly how its skull was shaped.1

Ebituufu gye biva

Kritosaurus (en.wikipedia.org)
Kritosaurus | Natural History Museum (nhm.ac.uk)
Kritosaurus in The Paleobiology Database (CC BY 4.0): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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