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Kritosaurus

Il num vul dir: “separated lizard”1

Mangiava: PlantasPichels d'andaCretacic tardiv

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

Viveva

avant 86 fin 66 milliuns onns3

Cretacic tardiv

Fossils chattads en

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

Lunghezza

9 m (30 ft)1

Paisa

4 tonnas (8 800 lb)1

Autezza

3,1 m (10 ft)

stima

Spertadad maximala

var 22 km/h (14 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant aut era el?

stima

Quant grev era el?

uschè grev sco 2,5 autos

uschè lung sco 2 autos parcads in suenter l'auteruschè lung sco 50 bananas ina suenter l'autrauschè grev sco 200 chaunsuschè grev sco 800 melunasuschè grev sco 5 classas da scola entirasuschè grev sco 9 urs polarspudess currer 100 meters en 16 secundas (il pli spert uman dovra 9,6)

Quant grond era Kritosaurus cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Kritosaurus var 22 km/h (14 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

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

Maletg da Kritosaurus fatg cun IA — In maletg fatg cun IA che mussa co Kritosaurus pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart 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

Chatschader da mitus

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

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

Per experts da dinos

Num scientific: Kritosaurus
Numnà da: Brown 19103
Gruppa: Pichels d'anda
Famiglia / clada: Hadrosauridae3
Classificaziun: Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae3
Vegliadetgna da la crappa: 86 fin 66 milliuns onns (Santonian / Maastrichtian)3
Formaziuns da crap: Kirtland, Fruitland, Fruitland/Kirtland3
Pajais: USA, Canada3
Chats da fossils: 25 en The Paleobiology Database3
Scuverta: 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
Anc discutà: Scientists still debate whether Kritosaurus is the same as Anasazisaurus and exactly how its skull was shaped.1

Danunder che vegnan ils fatgs

Kritosaurus (en.wikipedia.org)
Kritosaurus | Natural History Museum (nhm.ac.uk)
Kritosaurus in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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