Rubeosaurus
Rubeosaurus was a horned dinosaur with a big frill and spikes on its head. It lived in what is now Montana, USA, about 75 million years ago. It was a plant eater and walked on four legs.12
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How fast was it?
Anndal belɗungal
Rubeosaurus had two long spikes on its neck frill that leaned inward toward each other, a feature that is unique to this dinosaur.3
The spikes on its frill were much shorter than those of its close relative Styracosaurus, with the longest measuring about 295 millimeters (11.6 inches).1
Rubeosaurus is known from very few fossils, only a few skull pieces, which made it one of the most mysterious horned dinosaurs.3
Scientists think Rubeosaurus was closely related to Einiosaurus, Achelousaurus, and Pachyrhinosaurus, based on the shape of its skull bones.3
Rubeosaurus lived in the same area and time as other horned dinosaurs like Einiosaurus and Achelousaurus, but they are found at different levels in the rock.3
The first fossil of Rubeosaurus was a piece of the back of the skull, found in Montana and described in 1930.1
Naamne ɓurɗe naamneede fii Rubeosaurus
?How big was Rubeosaurus?
Scientists do not know its exact size because only a few skull pieces have been found, but it was probably about 5 to 5.5 metres (16 to 18 feet) long and weighed around 1.8 to 2.7 metric tons (2.0 to 3.0 short tons), like its close relative Styracosaurus.14
?What did Rubeosaurus eat?
Rubeosaurus was a plant eater. It had a beak and shearing cheek teeth that helped it slice up plants.14
?Did Rubeosaurus have feathers?
No, Rubeosaurus did not have feathers. It was a horned dinosaur with scales, like other ceratopsians.1
?When did Rubeosaurus live?
Rubeosaurus lived about 75 million years ago, during the Late Cretaceous Period.13
?Where was Rubeosaurus found?
All Rubeosaurus fossils have been found in the Two Medicine Formation of Montana, USA, near Landslide Butte on the Blackfeet Nation.3
?How many spikes did Rubeosaurus have?
Rubeosaurus had at least two long spikes on each side of its neck frill, and the longest spike measured about 295 millimetres (11.6 inches).1
?Was Rubeosaurus a dinosaur?
Yes, Rubeosaurus was a dinosaur. It was a horned dinosaur called a ceratopsian.1
Naamnu Rex fii Rubeosaurus
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Feññinoowo goonga
Fenaande: Rubeosaurus is just a species of Styracosaurus.
Goonga: Scientists used to think so, but in 2010 they gave it its own genus, Rubeosaurus, because its skull features are different. Some scientists still debate this, and it may be a species of Styracosaurus again.1
Ngam annduɓe dino
- Innde ganndal
- Rubeosaurus
- Inndoowo
- McDonald and Horner 20105
- Fedde
- Dino marɗi kaake tiiɗɗe ka hoore
- Fedde / clade
- Ceratopsidae5
- Fedde
- Ornithischia > Ceratopsia > Ceratopsidae5
- Duuɓi kaaƴe
- 84 haa 72 miliyon duuɓi (Campanian)5
- Cuuɗi kaaƴe
- Two Medicine5
- Leyɗe
- USA5
- Fosilji tawaaɗi
- 2 nder Paleobiology Database5
- Tawgol
- The first fossil was found in Montana and named Styracosaurus ovatus by Charles Gilmore in 1930. In 2010, Andrew McDonald and Jack Horner gave it the new name Rubeosaurus after studying more fossils.13
- Haa jooni ɓe ɗon yeddondira
- Scientists still debate whether Rubeosaurus is its own genus or just a species of Styracosaurus, because the fossils are so incomplete.1
To haalaaji ummii
- Styracosaurus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- A Subadult Specimen of Rubeosaurus ovatus (Dinosauria: Ceratopsidae), with Observations on Other Ceratopsids from the Two Medicine Formation | PLOS One (journals.plos.org)
- Styracosaurus (Wikipedia) (Wikipedia)
- Rubeosaurus in The Paleobiology Database (CC BY 4.0): duuɓi, nokkuuje, cuuɗi kaaƴe, pecce.
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