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Ikhadi ledayinaso No. 1445 kwe-2 027

Platytholus

Igama lithetha: “flattened dome”1

Yayitya: IzityaloIintloko-ngqukuvaiCretaceous yamva

Platytholus was a small, dome-headed dinosaur that lived near the end of the Age of Dinosaurs. It walked on two legs and munched on plants with its beak-like mouth. Its skull had a flat, wide dome on top, which it may have used for head-butting contests.1 4

Yaphila

72 ukuya ku-66 izigidi zeminyaka eyadlulayo4

iCretaceous yamva

Iifosili zifunyenwe:

Garfield County, Montana, USA1 4

Ubude

1 ukuya ku-2 m (3.3 ukuya ku-6.6 ft)2

Ubunzima

10 kg ukuya ku-40 kg (22 ukuya ku-88 lb)2

Ukuphakama

0.5 ukuya ku-1 m (1.6 ukuya ku-3.3 ft)2

Esona santya siphezulu

malunga ne-39 km/h (24 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayiphakame 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-9.2 (oyena mntu ukhawulezayo udinga i-9,6)

Platytholus 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)

Platytholus malunga ne-39 km/h (24 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Platytholus lived about 72 to 66 million years ago, during the Maastrichtian stage of the Late Cretaceous.2

Its name means 'flattened dome' because its skull was wide and flat on top, unlike the tall domes of some other pachycephalosaurs.1

The only known fossil of Platytholus is a partial skull, discovered in the Hell Creek Formation of Montana.1

Platytholus was a pachycephalosaur, a group of dinosaurs known for their thick, bony skulls.1

Scientists think Platytholus may have used its flat dome for head-butting, like some other dome-headed dinosaurs.1

The species name clemensi honors paleontologist William A. Clemens Jr.1

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

?How big was Platytholus?

It was a medium sized pachycephalosaur, with a skull dome about 21 centimetres long and 7.8 centimetres thick. It was smaller than Pachycephalosaurus but larger than Sphaerotholus.1

?Did Platytholus have feathers?

No direct evidence of feathers has been found for Platytholus. However, its skull had blood vessels that suggest a covering of keratin, like a bristly brush cut, not feathers.3

?What did Platytholus eat?

Platytholus was a plant eater. It had a beak-like mouth and munched on plants.1

?Could Platytholus head-butt?

Scientists are not sure. The skull had a healed injury, but some experts think the dome was too fragile for head-butting and was mainly used for display.3

Kwiingcali zeedayinaso

Igama lenzululwazi: Platytholus
Inikwe igama ngu:: Horner et al. 20234
Iqela: Iintloko-ngqukuva
Usapho / iclade: Pachycephalosauridae4
Ukuhlelwa: Ornithischia > Pachycephalosauria4
Ubudala bamatye: 72 ukuya ku-66 izigidi zeminyaka (Maastrichtian)4
Izakhiwo zamatye: Hell Creek4
Amazwe: iUSA4
Iirekhodi zeefosili: 1 kwi-Paleobiology Database4
Ukufunyanwa: The first Platytholus fossil, a partial skull, was found in the early 2000s in Montana. In 2023, paleontologists John Horner, Mark Goodwin, and David Evans named it Platytholus clemensi.1
Kusaxoxwa ngayo: Scientists are not sure if Platytholus used its flat dome for head-butting or for display, since its dome is different from the tall domes of other pachycephalosaurs.1

Apho iinyani zivela khona

Platytholus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Did dome-headed dinosaurs sport bristly headgear? - Berkeley News (news.berkeley.edu)
Platytholus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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