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Abrictosaurus

Hiika maqaa: “wakeful lizard”1 2

Kan nyaate: Waan hundumaa xiqqoo xiqqooBiqiltuu-nyaattota afaan simbirroo qabanJuraasikii Jalqabaa

Abrictosaurus was a tiny, speedy dinosaur that munched on plants in the Early Jurassic. It had a beak at the front of its mouth and different kinds of teeth, kind of like we do. Scientists named it 'wakeful lizard' because they disagreed about whether it slept through dry seasons.1 2

Kan jiraate

waggaa miliyoona 201 hanga 193 dura4

Juraasikii Jalqabaa

Fosiliiwwan kan itti argaman

Lesotho and South Africa1 4

Dheerina

1.2 m (3.9 ft)1 2

Ulfaatina

12 kg hanga 45 kg (26 hanga 99 lb)1 2

Ol-dheerina

0.4 m (1.3 ft)2

Saffisa ol'aanaa

gara 40 km/sa'a (25 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

Hammam ulfaataa ture?

akka saree 2 ulfaata

akka adurree manaa 2.5 funyaan hanga eegeetti dheeraaakka muuzii 7 walitti hiriiran dheeraaakka adurree manaa 11 ulfaataakka habxuu 9 ulfaataakka ijoollee KG 2.5 ulfaataakka ijoollee mana barumsaa 1.5 ulfaataakka barcuma jala deemuu danda'utti xiqqaameetira 100 sekondii 9 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Abrictosaurus hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Abrictosaurus gara 40 km/sa'a (25 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Abrictosaurus is known from only two fossils: a partial skull and skeleton, plus a fragmentary skull.1

Unlike some relatives, its cheek teeth were widely spaced with low crowns, more like early ornithischians.1

One fossil had impressive tusks: an upper one 10.5 mm tall and a lower one 17 mm tall, serrated only on the front edge.1

It lived in a hot, half-dry environment with sand dunes and seasonal floods, alongside dinosaurs like Massospondylus and Heterodontosaurus.1

The first scientist who described it thought the tusks were just in males, so he called the female fossil 'consors', meaning partner or spouse.1 2

Abrictosaurus had small, weak forelimbs with only four finger bones in the fourth and fifth fingers, fewer than its relative Heterodontosaurus.1

Fakkii AI'n hojjetame: Abrictosaurus — Fakkii AI'n hojjetame kan Abrictosaurus maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

ati gaafatte

Gaaffiiwwan waa'ee Abrictosaurus baay'ee gaafataman

?How big was Abrictosaurus?

About 1.2 metres (3.9 feet) long and weighed less than 45 kilograms (99 pounds). That is about as long as a small bicycle.1 2

?What did Abrictosaurus eat?

It was a herbivore or omnivore, meaning it mostly ate plants but may have eaten small animals too. It had a beak for cropping plants and different kinds of teeth for chewing.1 3

?Did Abrictosaurus have tusks?

Yes, one of the two known fossils had impressive tusks: an upper one 10.5 mm tall and a lower one 17 mm tall, serrated only on the front edge. The other fossil lacked tusks, which may mean it was a female or a juvenile.1 2

?When did Abrictosaurus live?

It lived during the Early Jurassic Period, about 200 to 190 million years ago. That is long before the famous T. rex.1

Seenaa sobaa diigaa

Seenaa sobaa: Some people think Abrictosaurus had no tusks because it was female.

Dhugaa: Abrictosaurus did have tusks. One fossil shows clear upper and lower tusks, but they are serrated only on the front, unlike relatives that have serrations on both sides.1

Ogeeyyii daayinootiif

Maqaa saayinsii: Abrictosaurus
Kan maqaa baase: Hopson 19754
Garee: Biqiltuu-nyaattota afaan simbirroo qaban
Maatii / kilaadii: Heterodontosauridae4
Ramaddii: Ornithischia > Heterodontosauridae4
Umurii dhagaawwanii: waggaa miliyoona 201 hanga 193 (Hettangian / Sinemurian)4
Caasaawwan dhagaa: Elliot4
Biyyoota: Leesootoo4
Galmee fosilii: 1 The Paleobiology Database keessa4
Argannoo: The first fossil was found in Lesotho and named Lycorhinus consors by Richard Thulborn in 1974. In 1975, James Hopson gave it the new genus name Abrictosaurus after studying another skull from South Africa.1 2
Ammallee falmisiisaa: Scientists are still debating whether Abrictosaurus is really a different genus from Lycorhinus and Heterodontosaurus. Some think all three might just be species of Lycorhinus.1

Odeeffannoon eessaa dhufa

Abrictosaurus (en.wikipedia.org)
ABRICTOSAURUS : DinoChecker dinosaur archive (dinochecker.com)
Abrictosaurus — Early Jurassic heterodontosaurid from southern Africa (en.alegsaonline.com)
Abrictosaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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