Stellasaurus

Hiika maqaa: “star lizard”1

Kan nyaate: BiqiltootaDaayinoowwan gaanfa qabanKireetaashasii Dhumaa

Stellasaurus was a horned dinosaur that lived about 75 million years ago. It had a long nose horn and a fancy frill on its head. It walked on four legs and ate plants.2 1

Kan jiraate

waggaa miliyoona 84 hanga 72 dura5

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Montana, USA, in the Two Medicine Formation2 1

Saffisa ol'aanaa

gara 33 km/sa'a (21 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

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)

Stellasaurus gara 33 km/sa'a (21 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Stellasaurus had a long, straight nose horn and small bumps above its eyes, similar to its relative Styracosaurus.2 3

Its skull frill had long spikes called P3 processes, but the other spikes were shorter, giving it a unique look.2 3

Stellasaurus lived about 75.2 million years ago, during the Late Cretaceous period.3

Scientists think Stellasaurus might be a transitional form, meaning it shows features between older and younger horned dinosaurs.2 3

The only known fossil is a partial skull, found in the Landslide Butte area near the US-Canada border.2

Stellasaurus is part of a group called centrosaurines, which are horned dinosaurs with big nose horns and fancy frills.2

Fakkii AI'n hojjetame: Stellasaurus — Fakkii AI'n hojjetame kan Stellasaurus 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 Stellasaurus baay'ee gaafataman

?What does the name Stellasaurus mean?

Stellasaurus means 'star lizard', named for the shape of its head ornamentation and as a tribute to David Bowie's song 'Starman'.4

?When did Stellasaurus live?

Stellasaurus lived about 75.2 million years ago, during the Late Cretaceous period.3 2

?What did Stellasaurus eat?

Stellasaurus ate plants, like other horned dinosaurs.4

?Was Stellasaurus related to Styracosaurus?

Yes, Stellasaurus was closely related to Styracosaurus and had a similar long nose horn and small bumps above its eyes.4 2

Ogeeyyii daayinootiif

Maqaa saayinsii: Stellasaurus
Kan maqaa baase: Wilson et al. 20205
Garee: Daayinoowwan gaanfa qaban
Maatii / kilaadii: Ceratopsidae5
Ramaddii: Ornithischia > Ceratopsia > Ceratopsidae5
Umurii dhagaawwanii: waggaa miliyoona 84 hanga 72 (Campanian)5
Caasaawwan dhagaa: Two Medicine5
Biyyoota: Ameerikaa5
Galmee fosilii: 1 The Paleobiology Database keessa5
Argannoo: Stellasaurus was named by Wilson and colleagues in 2020. The fossil, a partial skull, was found in Montana and is stored at the Museum of the Rockies.1 2
Ammallee falmisiisaa: Scientists debate whether Stellasaurus is a separate species or just a stage in the growth of another horned dinosaur like Einiosaurus.2 3

Odeeffannoon eessaa dhufa

PBDB Taxon (paleobiodb.org)
A new, transitional centrosaurine ceratopsid from the Upper Cretaceous Two Medicine Formation of Montana and the evolution of the ‘ Styracosaurus -line' dinosaurs (pmc.ncbi.nlm.nih.gov)
royalsocietypublishing.org (royalsocietypublishing.org)
Stellasaurus (en.wikipedia.org)
Stellasaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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