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Monoclonius

Tur bi mooy: “single sprout”1

Lekkoon: GàncaxDino yu am béjjénKretase bu mujj

Monoclonius was a plant-eating dinosaur with a big frill on its head and a horn on its nose. It lived about 75 million years ago in what is now Montana and Alberta. Scientists are not sure if Monoclonius is really its own dinosaur or just a young version of another dinosaur called Centrosaurus.1 2

Dundoon

am na 84 ba 72 milyoŋ at5

Kretase bu mujj

Fosil yu ñu gis ci

Montana, USA and Alberta, Canada1 2

Guddaay

4,5 ba 5,5 m (15 ba 18 ft)1

Diisaay

1,8336 toon ba 2,17 toon (4 000 ba 4 800 lb)3 4

Kawewaay

1,8 m (5,9 ft)

jortu

Gaawaay bi gën a kawe

lu tollu ci 33 km/h (21 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 1,5 oto

gudd ni 6 xaj, bakkan ba geengudd ni 31 banaana yu ñu topp-toppalediis ni 110 xajdiis ni 430 xaaldiis ni 2,5 klaas yu mat yu xale yu lekkooldiis ni 5 uurs yu weexmënoon na daw 100 meetar ci 11 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Monoclonius 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)

Monoclonius lu tollu ci 33 km/h (21 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

Monoclonius was named in 1876 by the famous fossil hunter Edward Drinker Cope, just months after the Battle of the Little Bighorn.1

The name Monoclonius means 'single sprout' and refers to how its teeth grew, not to a horn. Cope thought only one set of teeth was used at a time.1

Many fossils once called Monoclonius are now thought to belong to other dinosaurs, like Centrosaurus or Styracosaurus.1

The type species is Monoclonius crassus, which means 'the fat one' in Latin.1

Monoclonius fossils have been found in the Judith River Formation in Montana and the Dinosaur Park Formation in Alberta.1 2

When Cope first described Monoclonius, he did not realize it was a horned dinosaur. He thought the skull frill was part of the breastbone.1

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

?How big was Monoclonius?

Monoclonius was up to 5 metres (16.5 feet) long and may have weighed about 2,170 kilograms (4,780 pounds).4

?What did Monoclonius eat?

Monoclonius was an herbivore, a plant eater. It probably ate cycads, palms, and other prehistoric plants with its tough, hook-like beak.4

?When did Monoclonius live?

Monoclonius lived in the Late Cretaceous period, about 76 to 73 million years ago, toward the end of the age of dinosaurs.4

?Why is Monoclonius called a nomen dubium?

Monoclonius is often considered a nomen dubium, or doubtful name, because the fossils are too incomplete or immature to be confidently matched with adult specimens. Many are thought to be young Centrosaurus.1

?Did Monoclonius have a horn on its nose?

Yes, Monoclonius had a single nose horn that pointed upwards and two smaller horns over its eyes, plus a small frill on its head.4

?Where were Monoclonius fossils found?

Monoclonius fossils have been found in Montana, USA, and Alberta, Canada.4

Ku tas léeb yu dul dëgg

Léeb: Monoclonius means 'single horn'.

Dëgg: Monoclonius actually means 'single sprout', referring to its teeth, not a horn. Cope named it before he knew it was a horned dinosaur.1

Ngir ñi xam dino lool

Turu xam-xam: Monoclonius
Ku ko tudde: Cope 18765
Kurél: Dino yu am béjjén
Njaboot / klad: Ceratopsidae5
Klasifikasiyoŋ: Ornithischia > Ceratopsia > Ceratopsidae5
Màggaayu doj yi: 84 ba 72 milyoŋ at (Campanian)5
Formasiyoŋi doj: Oldman, Judith River, Kirtland5
Réew yi: Amerig, Kanadaa5
Fosil yu ñu gis: 13 ci The Paleobiology Database5
Gisees: Edward Drinker Cope named Monoclonius in 1876 based on fossils found near the Judith River in Montana by himself and a young Charles Sternberg.1
Ñu ngi koy werante ba tey: Scientists debate whether Monoclonius is a valid genus or just a mix of juvenile Centrosaurus and other ceratopsids. Many consider it a nomen dubium (doubtful name).1 2

Fa xibaar yi jóge

Monoclonius (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Monoclonius Cope 1876 - Encyclopedia of Life (eol.org)
enchantedlearning.com (enchantedlearning.com)
Monoclonius in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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