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Ikhadi ledayinaso No. 1459 kwe-2 027

Polacanthus

Igama lithetha: “many thorn”1

Yayitya: IzityaloIidayinaso ezinesikrweqeiCretaceous yokuqala

Polacanthus was a medium-sized armoured dinosaur that lived in England during the Early Cretaceous. It had a big shield over its hips and many spikes on its back and tail to protect itself from predators.1

Yaphila

139 ukuya ku-100 izigidi zeminyaka eyadlulayo4

iCretaceous yokuqala

Iifosili zifunyenwe:

Isle of Wight and Sussex, England, and also Spain1 4

Ubude

4 ukuya ku-5 m (13 ukuya ku-16 ft)1

Ubunzima

227 kg ukuya ku-2 iitoni (500 ukuya ku-4,400 lb)1

Ukuphakama

1.5 m (4.9 ft)

uqikelelo

Esona santya siphezulu

malunga ne-20 km/h (12 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-1.5

inde njengezinja ezingama-5, impumlo ukuya emsileniinde njengeebhanana ezingama-28 zilandelelanainzima njengezinja ezingama-100inzima njengamavatala angama-400inzima njengamagumbi okufundela apheleleyo abantwana angama-2.5inzima njengeebhere ezimhlophe ezingama-4ibinokubaleka iimitha ezili-100 ngemizuzwana engama-18 (oyena mntu ukhawulezayo udinga i-9,6)

Polacanthus 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)

Polacanthus malunga ne-20 km/h (12 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Polacanthus had a large fused plate of bone over its hips called a 'pelvic shield', which was about 108 centimetres wide and 90 centimetres long.1

Its body was covered with many spikes and small bony studs called ossicles.1

The first fossil of Polacanthus was discovered by the Reverend William Fox on the Isle of Wight in 1865.1

Polacanthus lived about 130 to 125 million years ago during the Early Cretaceous.1

Scientists are not sure if Polacanthus belongs to the Nodosauridae family or its own family, the Polacanthidae.1

A second species, Polacanthus rudgwickensis, was named in 1996 but later moved to its own genus Horshamosaurus in 2015.1

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

?How big was Polacanthus?

Polacanthus grew to about 4 to 5 metres (13 to 16 feet) long. Estimates of its weight vary significantly, with some scientists suggesting it weighed around 2 tonnes (4,400 pounds), while others estimate it was much lighter.1

?What did Polacanthus eat?

Polacanthus was a herbivore, meaning it ate plants. Its teeth and body were built for eating vegetation.1

?Did Polacanthus have a tail club?

No, Polacanthus did not have a tail club like Ankylosaurus. Instead, its tail had spikes and bony plates for protection.1

?Where was Polacanthus found?

Polacanthus fossils have been found in England, especially on the Isle of Wight. The first fossil was discovered there in 1865 by the Reverend William Fox.1 3

?When did Polacanthus live?

Polacanthus lived during the Early Cretaceous Period, about 130 to 125 million years ago.1

?How fast could Polacanthus run?

Nobody knows for sure how fast Polacanthus could run, but it walked on all fours and had relatively long hindlimbs for an ankylosaur, which might have allowed it to move fairly quickly.1

Inyaniso ngeentsomi

Intsomi: Polacanthus could swing its tail like a club.

Inyaniso: Polacanthus did not have a tail club; its tail was covered in spikes but lacked the heavy bony club seen in some other ankylosaurs.1

Kwiingcali zeedayinaso

Igama lenzululwazi: Polacanthus
Inikwe igama ngu:: Fox 18664
Iqela: Iidayinaso ezinesikrweqe
Usapho / iclade: Nodosauridae4
Ukuhlelwa: Ornithischia > Ankylosauria > Nodosauridae > Thyreophora4
Ubudala bamatye: 139 ukuya ku-100 izigidi zeminyaka (Berriasian / Albian)4
Izakhiwo zamatye: Wessex, Vectis, Pinilla de los Moros4
Amazwe: iUnited Kingdom, iSpeyin4
Iirekhodi zeefosili: 16 kwi-Paleobiology Database4
Ikwaziwa ngokuba: Euacanthus, Vectensia (amagama amadala ngoku abalwa njengesilwanyana esinye)4
Ukufunyanwa: Polacanthus was discovered by Reverend William Fox on the Isle of Wight in 1865. The name was first used by Richard Owen in a lecture later that year, and the full description was published by Fox in 1866.1
Kusaxoxwa ngayo: Scientists still debate whether Polacanthus was a nodosaurid or belonged to a separate family called Polacanthidae.1

Apho iinyani zivela khona

Polacanthus (en.wikipedia.org)
Polacanthus | Natural History Museum (nhm.ac.uk)
Spotlight on Polacanthus - Horniman Museum and Gardens (horniman.ac.uk)
Polacanthus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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