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Acristavus na ndenge ya karton
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Acristavus

Nkombo elingi koloba: “crestless grandfather”1
Alyaki: MilonaMinoko ya libataKretase ya nsuka

Acristavus was a duck-billed dinosaur that lived about 80 million years ago. It had no crest on its head, which is unusual for its family. This plant-eater walked on two legs and could also move on all fours.12

Azalaki na bomoi
mbula milio 84 kino 72 eleki5
Kretase ya nsuka
Bafosile emonanaki na
Montana and Utah, USA5
Bolai
8 kino 9 m (26 kino 30 ft)1
Bozito
2 tone kino 3 tone (4 400 kino 6 600 lb)1
Bolai na likolo
2,5 kino 3 m (8,2 kino 9,8 ft)1
Mbangu ya likolo
pene na 26 km/h (16 mph)
Kopota mbangu, kokanisa

Azalaki na bomoi ntango nini?

Triasiki
Jurasiki
Kretase
Mbula milio 252 eleki20114566, asteroide

Azalaki monene boni?

Azalaki molai boni?

Acristavus pene na 9 m bolai (30 ft)Velo ya moto mokolo pene na 1,8 m (5,9 ft)Motuka pene na 4,5 m (15 ft)Nzoku, nyama oyo aleki monene na mabele lelo pene na 6,5 m (21 ft)

Azalaki molai boni na likolo?

Mbwapene na 0,5 m (1,6 ft)Mpundapene na 1,6 m (5,2 ft)Acristavuspene na 3 m na likolo (9,8 ft)Nzokupene na 3,2 m (10 ft)

Azalaki kilo boni?

kilo lokola bamotuka 2
molai lokola bamotuka 2 oyo batelemi na molongomolai lokola matoko 50 oyo balandanikilo lokola bambwa 150kilo lokola bapasteke 600kilo lokola bakelasi 4 mobimba ya banakilo lokola ba-urs ya pembe 7akokaki kopota metele 100 na sekonde 14 (moto oyo aleki mbangu asalelaka 9,6)

Acristavus azalaki monene boni soki tokokanisi na YO?

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Azalaki na mbangu boni?

makambo ya kitoko

Makambo ya kosepelisa

1

Acristavus means 'crestless grandfather' because it is one of the oldest known duck-billed dinosaurs without a head crest.1

2

Its fossils were found in the Two Medicine Formation of Montana and the Wahweap Formation of Utah.5

3

Acristavus lived during the Campanian stage of the Late Cretaceous, about 83 to 72 million years ago.1

4

It belonged to a group called Brachylophosaurini, which includes other duck-billed dinosaurs like Brachylophosaurus.1

5

The type specimen, named MOR 1155, is a partial skeleton that helped scientists identify this species.5

6

Acristavus was a ground-dwelling herbivore that laid eggs, like all duck-billed dinosaurs.2

Esalemi na AIElilingi ya Acristavus esalemi na AI
Elilingi esalemi na AI oyo ezali kolakisa ndenge Acristavus akokaki kozala. Ordinatere esalaki yango na makambo oyo bato ya siansi bayebi. Ezali kaka kokanisa: nyama ya solo akokaki kozala ndenge mosusu, mpe moto moko te ayebi balangi na ye ya solo.
otunaki

Mituna oyo batunaka mingi na ntina na Acristavus

?How big was Acristavus?

Scientists have not published a full size estimate yet, but as a hadrosaur it was probably around 8 to 9 metres (26 to 30 ft) long, about as long as a school bus.35

?Did Acristavus have a crest?

No. Acristavus is special because it had no crest or ornamentation on its skull, unlike most other duck-billed dinosaurs.34

?What did Acristavus eat?

Acristavus was a plant-eater (herbivore). It ate ferns, leaves and other plants that grew in its wet, seasonal habitat.53

?When did Acristavus live?

Acristavus lived about 79 to 81 million years ago, during the Campanian stage of the Late Cretaceous.35

Mpo na bayebi ya badino

Nkombo ya siansi
Acristavus
Nkombo epesamaki na
Gates et al. 20115
Lisanga
Minoko ya libata
Libota / klade
Hadrosauridae5
Klasifikasio
Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae5
Mbula ya mabanga
mbula milio 84 kino 72 (Campanian)5
Milongo ya mabanga
Two Medicine, Wahweap5
Bikolo
Amerika5
Bafosile oyo ekomami
2 na The Paleobiology Database5
Ntango bamonaki yango
Acristavus was named by Terry A. Gates, Jack Horner, and colleagues in 2011. The first fossils were found in Montana and Utah.1
Naino bazali kowelana
Scientists are not sure why Acristavus lacked a head crest while many other duck-billed dinosaurs had one.1

Esika makambo euti

  1. PBDB Taxon (paleobiodb.org)
  2. Acristavus Gates et al. 2011 - Encyclopedia of Life (eol.org)
  3. Acristavus (Wikipedia) (Wikipedia)
  4. Acristavus: North America’s New Hadrosaur (smithsonianmag.com)
  5. Acristavus in The Paleobiology Database (CC BY 4.0): mbula, bisika, milongo ya mabanga, klasifikasio.

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