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Kartu dino No. 1488 ci 2 027

Protohadros

Tur bi mooy: “first hadrosaur”1

Lekkoon: GàncaxDino yu lekk gàncax te am gémmiñu piccKretase bu mujj

Protohadros was an early duck-billed dinosaur that lived about 95 million years ago. It had a special downward-curved snout for munching on low-growing plants. This dinosaur is one of the oldest hadrosaurs ever found!2 1

Dundoon

am na 100 ba 94 milyoŋ at4

Kretase bu mujj

Fosil yu ñu gis ci

Texas, USA4 1

Guddaay

6 m (20 ft)1

Kawewaay

1,8 m (5,9 ft)

jortu

Gaawaay bi gën a kawe

lu tollu ci 35 km/h (22 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

gudd ni 6 xaj, bakkan ba geengudd ni 33 banaana yu ñu topp-toppalemënoon na daw 100 meetar ci 10 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Protohadros 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)

Protohadros lu tollu ci 35 km/h (22 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

Protohadros is the oldest definite hadrosaurid, or duck-billed dinosaur, known to science.2

Its name means 'first hadrosaur' because it lived so early in hadrosaur evolution.1

This dinosaur had a downward-pointing muzzle, which scientists think helped it eat plants close to the ground.2

Protohadros had a mix of primitive and advanced skull features, showing a step in the evolution of chewing ability.2

Its fossils were found in the Woodbine Formation of Texas, which was a delta environment during the Cretaceous.2

The only known species is Protohadros byrdi, named after the person who discovered it.1

Nataalu Protohadros bu ñu def ak IA — Nataal bu IA def la, muy wone ni Protohadros 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 Protohadros

?How big was Protohadros?

It was a medium sized dinosaur, about 6 to 8 metres (20 to 26 feet) long.3 1

?What did Protohadros eat?

It was an herbivore that ate low-growing plants, probably in floodplains or deltas. It may have also eaten aquatic plants.3 2

?When did Protohadros live?

It lived during the Late Cretaceous period, about 99 to 94 million years ago.1 3

?Where was Protohadros found?

Its fossils were found in the Woodbine Formation of Texas, USA.3 1

Ngir ñi xam dino lool

Turu xam-xam: Protohadros
Ku ko tudde: Head 19984
Kurél: Dino yu lekk gàncax te am gémmiñu picc
Njaboot / klad: Hadrosauroidea4
Klasifikasiyoŋ: Ornithischia > Ornithopoda > Iguanodontia4
Màggaayu doj yi: 100 ba 94 milyoŋ at (Cenomanian)4
Formasiyoŋi doj: Lewisville4
Réew yi: Amerig4
Fosil yu ñu gis: 4 ci The Paleobiology Database4
Gisees: Protohadros was named by paleontologist J. J. Head in 1998, based on a partial skull and some bones from the Woodbine Formation in Texas.4 2
Ñu ngi koy werante ba tey: Scientists debate whether hadrosaurs first evolved in North America or Asia, and Protohadros is a key piece of that puzzle.2

Fa xibaar yi jóge

Protohadros | Natural History Museum (nhm.ac.uk)
A new species of basal hadrosaurid (Dinosauria, Ornithischia) from the Cenomanian of Texas: Journal of Vertebrate Paleontology: Vol 18, No 4 (tandfonline.com)
Protohadros (en.wikipedia.org)
Protohadros in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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