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Ikhadi ledayinaso No. 0986 kwe-2 027

Kritosaurus

Igama lithetha: “separated lizard”1

Yayitya: IzityaloImilomo-dadaiCretaceous yamva

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

Yaphila

86 ukuya ku-66 izigidi zeminyaka eyadlulayo3

iCretaceous yamva

Iifosili zifunyenwe:

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

Ubude

9 m (30 ft)1

Ubunzima

4 iitoni (8,800 lb)1

Ukuphakama

3.1 m (10 ft)

uqikelelo

Esona santya siphezulu

malunga ne-22 km/h (14 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayiphakame kangakanani?

uqikelelo

Yayinzima kangakanani?

inzima njengeemoto ezingama-2.5

inde njengeemoto ezingama-2 zipakwe zilandelelanainde njengeebhanana ezingama-50 zilandelelanainzima njengezinja ezingama-200inzima njengamavatala angama-800inzima njengamagumbi okufundela apheleleyo abantwana angama-5inzima njengeebhere ezimhlophe ezingama-9ibinokubaleka iimitha ezili-100 ngemizuzwana engama-16 (oyena mntu ukhawulezayo udinga i-9,6)

Kritosaurus wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Kritosaurus malunga ne-22 km/h (14 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

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

Umfanekiso owenziwe yi-AI: Kritosaurus — Umfanekiso owenziwe yi-AI obonisa indlela Kritosaurus esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

ubuzile

Eyona mibuzo ibuzwa kakhulu: 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

Inyaniso ngeentsomi

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

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

Kwiingcali zeedayinaso

Igama lenzululwazi: Kritosaurus
Inikwe igama ngu:: Brown 19103
Iqela: Imilomo-dada
Usapho / iclade: Hadrosauridae3
Ukuhlelwa: Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae3
Ubudala bamatye: 86 ukuya ku-66 izigidi zeminyaka (Santonian / Maastrichtian)3
Izakhiwo zamatye: Kirtland, Fruitland, Fruitland/Kirtland3
Amazwe: iUSA, iKhanada3
Iirekhodi zeefosili: 25 kwi-Paleobiology Database3
Ukufunyanwa: 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
Kusaxoxwa ngayo: Scientists still debate whether Kritosaurus is the same as Anasazisaurus and exactly how its skull was shaped.1

Apho iinyani zivela khona

Kritosaurus (en.wikipedia.org)
Kritosaurus | Natural History Museum (nhm.ac.uk)
Kritosaurus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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