Kartu dino No. 0986 ci 2 027

Kritosaurus

Tur bi mooy: “separated lizard”1

Lekkoon: GàncaxGémmiñu kanaarKretase bu mujj

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

Dundoon

am na 86 ba 66 milyoŋ at3

Kretase bu mujj

Fosil yu ñu gis ci

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

Guddaay

9 m (30 ft)1

Diisaay

4 toon (8 800 lb)1

Kawewaay

3,1 m (10 ft)

jortu

Gaawaay bi gën a kawe

lu tollu ci 22 km/h (14 mph)

Daw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Naka la kawewoon?

jortu

Naka la diisoon?

diis ni 2,5 oto

gudd ni 2 oto yu ñu taxawal ci benn rëddgudd ni 50 banaana yu ñu topp-toppalediis ni 200 xajdiis ni 800 xaaldiis ni 5 klaas yu mat yu xale yu lekkooldiis ni 9 uurs yu weexmënoon na daw 100 meetar ci 16 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Kritosaurus réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Kritosaurus lu tollu ci 22 km/h (14 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

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

Nataalu Kritosaurus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Kritosaurus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci 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

Ku tas léeb yu dul dëgg

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

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

Ngir ñi xam dino lool

Turu xam-xam: Kritosaurus
Ku ko tudde: Brown 19103
Kurél: Gémmiñu kanaar
Njaboot / klad: Hadrosauridae3
Klasifikasiyoŋ: Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae3
Màggaayu doj yi: 86 ba 66 milyoŋ at (Santonian / Maastrichtian)3
Formasiyoŋi doj: Kirtland, Fruitland, Fruitland/Kirtland3
Réew yi: Amerig, Kanadaa3
Fosil yu ñu gis: 25 ci The Paleobiology Database3
Gisees: 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
Ñu ngi koy werante ba tey: Scientists still debate whether Kritosaurus is the same as Anasazisaurus and exactly how its skull was shaped.1

Fa xibaar yi jóge

Kritosaurus (en.wikipedia.org)
Kritosaurus | Natural History Museum (nhm.ac.uk)
Kritosaurus in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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