Ati daayinoo kami? Qormaata
Lola daayinoo
Dorgommii daayinoo
Taphoota daayinoo xixiqqoo
Albamii istiikarii
Tarreewwan TOP daayinoo
Na dinqisiisi!Yoom jiraate?
Hammam guddaa ture?
Hammam dheeraa ture?
Hammam ulfaataa ture?
akka adurree manaa 4 funyaan hanga eegeetti dheeraa🍌akka muuzii 10 walitti hiriiran dheeraaakka adurree manaa 10 ulfaata🍉akka habxuu 8 ulfaata🧸akka ijoollee KG 2 ulfaata🎒akka ijoollee mana barumsaa 1 ulfaata🏃meetira 100 sekondii 8.2 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)SI wajjin yoo wal bira qabamu, Acrotholus hammam guddaa ture?
Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.
Hammam saffisaa ture?
Odeeffannoowwan bashannansiisoo
Acrotholus is the oldest known pachycephalosaur from North America, and possibly the world.2
Its dome was very thick, up to 55 millimetres (about 2 inches) above the brain, which is almost half the total length of the dome.2
The dome was fully developed even though Acrotholus lived earlier than other pachycephalosaurs, showing that this feature evolved earlier than scientists thought.2
The name Acrotholus means 'highest dome' in Greek, referring to its thick skull roof.1
The species name audeti honors Roy Audet, a rancher who allowed scientists to dig on his land where the first skull was found.12
Acrotholus had a smooth dome without the bumps or grooves seen in some other pachycephalosaurs, which suggests the known fossils are from adults.2
Gaaffiiwwan waa'ee Acrotholus baay'ee gaafataman
?How big was Acrotholus?
Acrotholus was a small dinosaur, weighing 40 kg (88 lb) or less. Its skull dome was about 55 mm (2.2 in) thick.12
?What did Acrotholus eat?
Acrotholus was a plant-eating dinosaur, like other pachycephalosaurs.1
?Why did Acrotholus have a dome on its head?
The dome was probably used for head-butting contests between rivals, though scientists debate exactly how they used it.1
?When did Acrotholus live?
Acrotholus lived about 84 to 83.5 million years ago, during the Late Cretaceous period.1
Seenaa sobaa diigaa
Seenaa sobaa: Some people think Acrotholus used its dome to butt heads like bighorn sheep.
Dhugaa: Scientists are not sure. The dome might have been for display or for fighting, but there is no direct evidence of head-butting in Acrotholus.1
Ogeeyyii daayinootiif
- Maqaa saayinsii
- Acrotholus
- Kan maqaa baase
- Evans et al. 20134
- Garee
- Mataa-gombisaa
- Maatii / kilaadii
- Pachycephalosauridae4
- Ramaddii
- Ornithischia > Pachycephalosauria4
- Umurii dhagaawwanii
- waggaa miliyoona 86 hanga 84 (Santonian)4
- Caasaawwan dhagaa
- Milk River4
- Biyyoota
- Kanaadaa4
- Galmee fosilii
- 1 The Paleobiology Database keessa4
- Argannoo
- The first fossil, a nearly complete skull dome, was found on Roy Audet's ranch in Alberta, Canada, and was named by David Evans and colleagues in 2013.12
- Ammallee falmisiisaa
- Scientists still debate whether the dome was used for fighting between males or for showing off to mates, since no complete skeleton has been found.1
Odeeffannoon eessaa dhufa
- Acrotholus (en.wikipedia.org)
- The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs | Nature Communications (nature.com)
- Study of new 'bone-head' hints at higher diversity of small dinosaurs | EurekAlert! (eurekalert.org)
- Acrotholus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.
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Pachycephalosaurus
Stegoceras
Prenocephale
Sphaerotholus
Foraminacephale
Brontotholus
Tyrannosaurus
Triceratops
Velociraptor
Spinosaurus
Ankylosaurus
Parasaurolophus