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Ikhadi ledayinaso No. 1696 kwe-2 027

Sphaerotholus

Igama lithetha: “ball dome”1

Yayitya: IzityaloIintloko-ngqukuvaiCretaceous yamva

Sphaerotholus was a dome-headed dinosaur that lived near the end of the Age of Dinosaurs. It had a thick, bony dome on its skull and probably used it for head-butting contests.1

Yaphila

84 ukuya ku-66 izigidi zeminyaka eyadlulayo2

iCretaceous yamva

Iifosili zifunyenwe:

Western United States (Montana, New Mexico) and Canada (Alberta, Saskatchewan)2 1

Ubude

2 m (6.6 ft)1

Ubunzima

40 kg (88 lb)1

Esona santya siphezulu

malunga ne-44 km/h (27 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayinzima kangakanani?

inzima njengezinja ezingama-2

inde njengeekati zasekhaya ezingama-4, impumlo ukuya emsileniinde njengeebhanana ezingama-11 zilandelelanainzima njengeekati zasekhaya ezingama-10inzima njengamavatala angama-8inzima njengabantwana basenkulisa abangama-2inzima njengabantwana besikolo abangama-1ibinokubaleka iimitha ezili-100 ngemizuzwana engama-8.2 (oyena mntu ukhawulezayo udinga i-9,6)

Sphaerotholus 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)

Sphaerotholus malunga ne-44 km/h (27 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Sphaerotholus lived for a long time, about 7 to 8 million years, and spread across a wide area from New Mexico to Montana.1

There are five known species of Sphaerotholus, each with slightly different bumps and nodes on the back of their skulls.1

One species, S. triregnum, had a triple row of small bony nodes on its skull, making it look like it wore a triple crown.1

Another species, S. lyonsi, had a double row of small nodes, while others had a single row of large nodes.1

The name Sphaerotholus means 'ball dome', which describes its round, dome-shaped skull.1

Sphaerotholus is considered a highly evolved, or derived, pachycephalosaur.1

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

?How big was Sphaerotholus?

Sphaerotholus edmontonensis reached about 2 metres (6.6 feet) in length and weighed around 40 kilograms (88 pounds). Other species were probably a similar size.1

?What did Sphaerotholus eat?

Sphaerotholus was a plant-eater. Like other pachycephalosaurs, it had teeth suited for eating tough plants.1

?When did Sphaerotholus live?

Sphaerotholus lived during the Late Cretaceous, from about 76 to 66 million years ago.1

?Where did Sphaerotholus live?

Sphaerotholus lived in what is now the western United States and Canada, from New Mexico to Montana and Alberta.1

?How many species of Sphaerotholus are there?

There are five known species: S. goodwini, S. buchholtzae, S. edmontonensis, S. lyonsi, and S. triregnum.1

?Why did Sphaerotholus have a dome?

Sphaerotholus had a thick, bony dome on its skull that it probably used for head-butting contests, like other dome-headed dinosaurs.1

Inyaniso ngeentsomi

Intsomi: Some people think Sphaerotholus used its dome for ramming like a battering ram.

Inyaniso: Scientists are not sure. The dome might have been for head-butting, but it could also have been for showing off to mates or recognizing each other.1

Kwiingcali zeedayinaso

Igama lenzululwazi: Sphaerotholus
Inikwe igama ngu:: Williamson and Carr 20032
Iqela: Iintloko-ngqukuva
Usapho / iclade: Pachycephalosauridae2
Ukuhlelwa: Ornithischia > Pachycephalosauria2
Ubudala bamatye: 84 ukuya ku-66 izigidi zeminyaka (Campanian / Maastrichtian)2
Izakhiwo zamatye: Hell Creek, Kirtland, Frenchman2
Amazwe: iUSA, iKhanada2
Iirekhodi zeefosili: 6 kwi-Paleobiology Database2
Ukufunyanwa: The first species, Sphaerotholus goodwini, was named by Thomas Williamson and Thomas Carr in 2002 from a partial skull found in New Mexico. The species name honors paleontologist Mark Goodwin.1
Kusaxoxwa ngayo: Scientists still debate whether some species, like S. edmontonensis, are really separate or just the same as others, because their skulls look very similar.1

Apho iinyani zivela khona

Sphaerotholus (en.wikipedia.org)
Sphaerotholus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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