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Aardonyx

Tur bi mooy: “Earth claw”1
Lekkoon: GàncaxBaat yu guddJurasik bu jëkk

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

Dundoon
am na 201 ba 193 milyoŋ at5
Jurasik bu jëkk
Fosil yu ñu gis ci
Marc's Quarry on the farm Spion Kop 932, Senekal District, Free State, South Africa1
Guddaay
8 m (26 ft)2
Diisaay
1,5 toon (3 300 lb)2
Kawewaay
1,5 m (4,9 ft)23
Gaawaay bi gën a kawe
lu tollu ci 26 km/h (16 mph)
Daw, jortu

Kañ la dundoon?

Triyaas
Jurasik
Kretase
Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Aardonyx lu tollu ci 8 m ci guddaay (26 ft)Weloy mag lu tollu ci 1,8 m (5,9 ft)Oto lu tollu ci 4,5 m (15 ft)Ñey, rab bi gën a mag ci suuf tey lu tollu ci 6,5 m (21 ft)

Naka la kawewoon?

Xajlu tollu ci 0,5 m (1,6 ft)Aardonyxlu tollu ci 1,5 m ci kawewaay (4,9 ft)Faslu tollu ci 1,6 m (5,2 ft)Ñeylu tollu ci 3,2 m (10 ft)

Naka la diisoon?

diis ni 1 oto
gudd ni 8 xaj, bakkan ba geengudd ni 44 banaana yu ñu topp-toppalediis ni 75 xajdiis ni 300 xaaldiis ni 79 xale yu materneldiis ni 47 xale yu lekkooldiis ni 3 uurs yu weexmënoon na daw 100 meetar ci 14 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Aardonyx réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

yëf yu neex

Xibaar yu neex

1

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

2

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

3

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

4

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

5

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

Def ak IANataalu Aardonyx bu ñu def ak IA
Nataal bu IA def la, muy wone ni Aardonyx mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.
yeen a laaj

Laaj yi ñu gën a laaj ci 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.24

?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.42

?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.24

Ngir ñi xam dino lool

Turu xam-xam
Aardonyx
Ku ko tudde
Yates et al. 20105
Kurél
Baat yu gudd
Njaboot / klad
Sauropodiformes5
Klasifikasiyoŋ
Sauropodomorpha5
Màggaayu doj yi
201 ba 193 milyoŋ at (Hettangian / Sinemurian)5
Formasiyoŋi doj
Elliot5
Réew yi
Afrig di Sid5
Fosil yu ñu gis
1 ci The Paleobiology Database5
Gisees
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.21
Ñu ngi koy werante ba tey
Scientists are still debating exactly how Aardonyx moved, because it shows a mix of two-legged and four-legged features.1

Fa xibaar yi jóge

  1. 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)
  2. Aardonyx | Natural History Museum (nhm.ac.uk)
  3. New African dinosaur was very down to earth | UCT News (news.uct.ac.za)
  4. Aardonyx (en.wikipedia.org)
  5. Aardonyx in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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