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Aardonyx

Igama lithetha: “Earth claw”1

Yayitya: IzityaloIintamo-ndeiJurassic yokuqala

Aardonyx was a dinosaur that lived in South Africa about 200 million years ago. It could walk on two legs or sometimes use all four legs, like a bridge between earlier dinosaurs and the giant long-necked sauropods. It ate plants and had leaf-shaped teeth for stripping leaves off branches.2

Yaphila

201 ukuya ku-193 izigidi zeminyaka eyadlulayo5

iJurassic yokuqala

Iifosili zifunyenwe:

Marc's Quarry on the farm Spion Kop 932, Senekal District, Free State, South Africa1

Ubude

8 m (26 ft)2

Ubunzima

1.5 iitoni (3,300 lb)2

Ukuphakama

1.5 m (4.9 ft)2 3

Esona santya siphezulu

malunga ne-26 km/h (16 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayiphakame kangakanani?

Yayinzima kangakanani?

inzima njengeemoto ezingama-1

inde njengezinja ezingama-8, impumlo ukuya emsileniinde njengeebhanana ezingama-44 zilandelelanainzima njengezinja ezingama-75inzima njengamavatala angama-300inzima njengabantwana basenkulisa abangama-79inzima njengabantwana besikolo abangama-47inzima njengeebhere ezimhlophe ezingama-3ibinokubaleka iimitha ezili-100 ngemizuzwana engama-14 (oyena mntu ukhawulezayo udinga i-9,6)

Aardonyx 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)

Aardonyx malunga ne-26 km/h (16 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Aardonyx had narrow jaws that lacked fleshy cheeks, which was surprising because scientists thought wide jaws evolved before cheeks were lost.1

The name Aardonyx comes from Afrikaans 'aard' meaning Earth and Greek 'onyx' meaning claw, because many bones had a thick red coating of hematite.1

The only known fossils of Aardonyx are from two young individuals, not one full-grown dinosaur.2

Aardonyx could walk on two legs but also had features that helped it walk on all fours, like a special bump on its arm bone for strong muscles.1

Its foot bones show that the weight-bearing part shifted to the inside of the foot, a trait that later sauropods had.1

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

?How big was Aardonyx?

About 7 metres (23 feet) long. The only known fossils are from two young individuals that were still growing, so adults may have been a bit larger.2

?What did Aardonyx eat?

Aardonyx was a herbivore that ate leaves and other foliage. It had leaf-shaped teeth for stripping vegetation from branches.2

?Could Aardonyx walk on two legs?

Yes, it usually walked on two legs but could also drop to all fours. Its skeleton shows features of both bipedal and quadrupedal movement.2 4

?When did Aardonyx live?

It lived during the Early Jurassic, about 200 to 190 million years ago.2

?Where was Aardonyx found?

Its fossils were discovered in South Africa, in the Elliot Formation.4 2

?Why is Aardonyx important?

It helps show how two-legged dinosaurs evolved into giant four-legged sauropods. It had a mix of features from both groups.2 4

Kwiingcali zeedayinaso

Igama lenzululwazi: Aardonyx
Inikwe igama ngu:: Yates et al. 20105
Iqela: Iintamo-nde
Usapho / iclade: Sauropodiformes5
Ukuhlelwa: Sauropodomorpha5
Ubudala bamatye: 201 ukuya ku-193 izigidi zeminyaka (Hettangian / Sinemurian)5
Izakhiwo zamatye: Elliot5
Amazwe: uMzantsi Afrika5
Iirekhodi zeefosili: 1 kwi-Paleobiology Database5
Ukufunyanwa: Aardonyx was named in 2009 by scientists Yates, Bonnan, Neveling, Chinsamy and Blackbeard. The fossils were found in South Africa and the species name 'celestae' honors Celeste Yates, who prepared many of the bones.2 1
Kusaxoxwa ngayo: Scientists are still debating exactly how Aardonyx moved, because it shows a mix of two-legged and four-legged features.1

Apho iinyani zivela khona

A new transitional sauropodomorph dinosaur from the Early Jurassic of South Africa and the evolution of sauropod feeding and quadrupedalism (pmc.ncbi.nlm.nih.gov)
Aardonyx | Natural History Museum (nhm.ac.uk)
New African dinosaur was very down to earth | UCT News (news.uct.ac.za)
Aardonyx (en.wikipedia.org)
Aardonyx in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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