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Kaartuunii: Miragaia
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Miragaia

Hiika maqaa: “wonderful goddess of the Earth”1
Kan nyaate: BiqiltootaDaayinoowwan gabatee qabanJuraasikii Dhumaa hanga Kireetaashasii Jalqabaa

Miragaia was a stegosaur, a plant-eating dinosaur with plates and spines on its back. It had an unusually long neck, much longer than most other stegosaurs. This gentle giant lived in what is now Portugal and the United States during the Late Jurassic period.12

Kan jiraate
waggaa miliyoona 155 hanga 121 dura3
Juraasikii Dhumaa hanga Kireetaashasii Jalqabaa
Fosiliiwwan kan itti argaman
Portugal (Lourinhã Formation) and the United States (Morrison Formation in Utah and Wyoming)12
Dheerina
5.5 hanga 6.5 m (18 hanga 21 ft)1
Ol-dheerina
1.9 m (6.2 ft)
tilmaama
Saffisa ol'aanaa
gara 15 km/sa'a (9 mph)
Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii
Juraasikii
Kireetaashasii
waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Miragaia gara 6.5 m dheeraa (21 ft)Saayikilii nama guddaa gara 1.8 m (5.9 ft)Konkolaataa gara 4.5 m (15 ft)Arba, bineensa lafa irraa isa har'a hunda caalaa guddaa gara 6.5 m (21 ft)

Hammam ol-dheeraa ture?

Sareegara 0.5 m (1.6 ft)Fardagara 1.6 m (5.2 ft)Miragaiagara 1.9 m ol-dheeraa (6.2 ft)Arbagara 3.2 m (10 ft)

tilmaama

akka saree 6 funyaan hanga eegeetti dheeraaakka muuzii 36 walitti hiriiran dheeraameetira 100 sekondii 24 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

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

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

Hammam saffisaa ture?

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

1

Miragaia had at least 17 neck vertebrae, giving it a very long neck for a stegosaur. Most stegosaurs had fewer than 13.1

2

The name Miragaia comes from the village where it was found, Miragaia in Portugal, and also means 'wonderful goddess of the Earth'.1

3

Miragaia belonged to a group called Dacentrurinae, which includes its close relative Dacentrurus. Scientists used to think many stegosaur fossils from Portugal and Spain were Dacentrurus, but now they know some are Miragaia.1

4

A nearly complete skeleton of Miragaia was discovered in 1959 in Atouguia da Baleia, Peniche, Portugal, but it was not described until many years later.1

5

Miragaia shared features with a stegosaur from Wyoming called Alcovasaurus longispinus, suggesting that a land bridge once connected North America and Iberia (Portugal and Spain).1

6

The plates on Miragaia's back were probably used for display, and the spines on its tail (called a thagomizer) could have been a weapon against predators.1

AI'n kan hojjetameFakkii AI'n hojjetame: Miragaia
Fakkii AI'n hojjetame kan Miragaia 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.

Seenaa sobaa diigaa

Seenaa sobaa: Miragaia is sometimes thought to be a species of Dacentrurus.

Dhugaa: Scientists now agree that Miragaia is a separate, valid genus, different from Dacentrurus in many ways, such as its longer neck and different vertebrae.1

Ogeeyyii daayinootiif

Maqaa saayinsii
Miragaia
Kan maqaa baase
Mateus et al. 20093
Garee
Daayinoowwan gabatee qaban
Maatii / kilaadii
Stegosauridae3
Ramaddii
Ornithischia > Stegosauria > Thyreophora3
Umurii dhagaawwanii
waggaa miliyoona 155 hanga 121 (Kimmeridgian / Barremian)3
Caasaawwan dhagaa
Morrison3
Biyyoota
Ameerikaa3
Galmee fosilii
31 The Paleobiology Database keessa3
Argannoo
Miragaia was named in 2009 by Octávio Mateus and colleagues, based on a partial skeleton found near the village of Miragaia in the Lourinhã Formation of Portugal. The holotype specimen includes much of the front half of the skeleton.1
Ammallee falmisiisaa
Scientists still debate exactly how many species of Miragaia existed, and whether some fossils from North America belong to this genus or to its close relative Dacentrurus.2

Odeeffannoon eessaa dhufa

  1. Dacentrurine stegosaurs (Dinosauria): A new specimen of Miragaia longicollum from the Late Jurassic of Portugal resolves taxonomical validity and shows the occurrence of the clade in North America (pmc.ncbi.nlm.nih.gov)
  2. Dacentrurine Stegosaurs in North America: New Occurrences from the Upper Jurassic of USA (Morrison Formation) (dinodata.de)
  3. Miragaia in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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