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Ikhadi ledayinaso No. 1343 kwe-2 027

Pachyrhinosaurus

Igama lithetha: “thick-nosed lizard”1

Yayitya: IzityaloIidayinaso ezineempondoiCretaceous yamva

Pachyrhinosaurus was a plant-eating dinosaur that lived in herds. Instead of a nose horn like Triceratops, it had a big, flat bony bump on its snout and another over its eyes. These bumps are called bosses.2

Yaphila

84 ukuya ku-66 izigidi zeminyaka eyadlulayo3

iCretaceous yamva

Iifosili zifunyenwe:

Alberta and Northwest Territories in Canada, and Alaska in the USA1 3

Ubude

6 ukuya ku-8 m (20 ukuya ku-26 ft)1

Ubunzima

3 iitoni ukuya ku-4 iitoni (6,600 ukuya ku-8,800 lb)1 2

Ukuphakama

2.4 m (7.9 ft)

uqikelelo

Esona santya siphezulu

malunga ne-28 km/h (17 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 njengezinja ezingama-8, impumlo ukuya emsileniinde njengeebhanana ezingama-44 zilandelelanainzima njengezinja ezingama-200inzima njengamavatala angama-800inzima njengamagumbi okufundela apheleleyo abantwana angama-5inzima njengeebhere ezimhlophe ezingama-9ibinokubaleka iimitha ezili-100 ngemizuzwana engama-13 (oyena mntu ukhawulezayo udinga i-9,6)

Pachyrhinosaurus 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)

Pachyrhinosaurus malunga ne-28 km/h (17 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Pachyrhinosaurus had a large, flat boss on its nose and a smaller one over its eyes, instead of a nose horn.1

Three species of Pachyrhinosaurus have been found: P. canadensis, P. lakustai, and P. perotorum.1

Fossils of adults and juveniles are often found together, suggesting that Pachyrhinosaurus lived in herds and cared for its young.2

One bonebed in Alberta contained up to 100 bones per square metre, with over 3,500 bones and 14 skulls.1

The northernmost species, P. perotorum, lived in what is now Alaska about 73 million years ago.1

Pachyrhinosaurus lived during the Late Cretaceous, between about 74 and 68 million years ago.2

Umfanekiso owenziwe yi-AI: Pachyrhinosaurus — Umfanekiso owenziwe yi-AI obonisa indlela Pachyrhinosaurus 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: Pachyrhinosaurus

?How big was Pachyrhinosaurus?

The largest species, P. canadensis, was about 6 to 8 metres (20 to 26 feet) long and weighed 3 to 4 tonnes (3.3 to 4.4 tons). The other species were smaller, about 5 metres (16 feet) long and 2 tonnes (2.2 tons).1 2

?What did Pachyrhinosaurus eat?

Pachyrhinosaurus was a herbivore, meaning it ate plants. It had strong cheek teeth to cut tough, fibrous plants.1 2

?Did Pachyrhinosaurus have horns?

Instead of a nose horn like Triceratops, Pachyrhinosaurus had big, flat bony bumps called bosses on its snout and over its eyes. It did have a pair of horns that grew from its frill and pointed upward.1 2

?When did Pachyrhinosaurus live?

Pachyrhinosaurus lived during the Late Cretaceous Period, between about 74 and 68 million years ago.2 1

?Where was Pachyrhinosaurus found?

Fossils have been found in Alberta, Canada, and Alaska, USA. The first fossils were discovered in Alberta in 1946.2 1

?Did Pachyrhinosaurus live in herds?

Yes. Fossils of adults and juveniles are often found together, which suggests they lived in herds and cared for their young.2 1

?How many species of Pachyrhinosaurus are there?

There are three known species: P. canadensis, P. lakustai, and P. perotorum. That makes it the most species-rich genus among the centrosaurine dinosaurs.1 2

?Was Pachyrhinosaurus bigger than Triceratops?

No, Triceratops was bigger. Pachyrhinosaurus was about 6 to 8 metres long, while Triceratops could reach about 9 metres. They were both ceratopsians.2 1

Kwiingcali zeedayinaso

Igama lenzululwazi: Pachyrhinosaurus
Inikwe igama ngu:: Sternberg 19503
Iqela: Iidayinaso ezineempondo
Usapho / iclade: Ceratopsidae3
Ukuhlelwa: Ornithischia > Ceratopsia > Ceratopsidae3
Ubudala bamatye: 84 ukuya ku-66 izigidi zeminyaka (Campanian / Maastrichtian)3
Izakhiwo zamatye: Horseshoe Canyon, Wapiti, St. Mary River3
Amazwe: iKhanada, iUSA3
Iirekhodi zeefosili: 16 kwi-Paleobiology Database3
Ukufunyanwa: The first Pachyrhinosaurus fossils were found in 1946 in Alberta, Canada, by Charles M. Sternberg. He named the dinosaur Pachyrhinosaurus in 1950.1 2
Kusaxoxwa ngayo: Scientists are still debating whether the differences in the shape of the bosses (some convex, some concave) are due to male and female differences or just erosion.1

Apho iinyani zivela khona

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

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