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Sarmientosaurus
Sarmientosaurus was a long-necked plant-eater that lived in what is now Argentina. It had a complete skull with huge eye sockets, which might have given it excellent vision. Its skull and neck bones show it may have held its head low to eat ferns and other low-growing plants.1
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Sarmientosaurus is one of the few sauropods known from a complete skull, which is in fantastic condition with all its teeth still in place.1
Its eye sockets were huge, about 40 percent of the length of its skull. This may have given it better vision than many other titanosaurs.12
The dinosaur had a strange, long ossified tendon along its neck, which may have helped support its head or control its posture.1
Sarmientosaurus is a basal lithostrotian titanosaur, meaning it was an early relative of the huge, armored titanosaurs like Ankylosaurus.1
Based on the inner ear and neck structure, scientists think Sarmientosaurus often kept its head and neck hanging downward, much like a sad donkey.2
It lived during the Cenomanian to Turonian ages of the Late Cretaceous, about 100 to 90 million years ago.4
Gaaffiiwwan waa'ee Sarmientosaurus baay'ee gaafataman
?How big was Sarmientosaurus?
Scientists do not know its exact size because only the skull and neck bones have been found. The skull is about 43 centimetres (17 inches) long.2
?What did Sarmientosaurus eat?
It was a plant-eater. It probably ate low-growing plants like ferns, because its skull and neck suggest it held its head and neck downward.23
?Why did Sarmientosaurus have huge eyes?
Its eye sockets were huge, about 40 percent of the skull's length. This may have given it better vision than many other titanosaurs.23
?When did Sarmientosaurus live?
It lived during the Late Cretaceous Period, about 95 million years ago, in what is now Argentina.2
Ogeeyyii daayinootiif
- Maqaa saayinsii
- Sarmientosaurus
- Kan maqaa baase
- Martínez et al. 20164
- Garee
- Morma-dheertota
- Maatii / kilaadii
- Diamantinasauria4
- Ramaddii
- Sauropodomorpha > Sauropoda > Macronaria4
- Umurii dhagaawwanii
- waggaa miliyoona 100 hanga 90 (Cenomanian / Turonian)4
- Caasaawwan dhagaa
- Bajo Barreal4
- Biyyoota
- Arjentiinaa4
- Galmee fosilii
- 1 The Paleobiology Database keessa4
- Argannoo
- The only known specimen of Sarmientosaurus was discovered in the Bajo Barreal Formation in Chubut Province, central Patagonia, Argentina. It was named in 2016 by Martínez and colleagues from a skull and part of the neck.41
- Ammallee falmisiisaa
- Scientists are still unsure exactly how Sarmientosaurus held its neck. Some think it kept it low for eating low plants, but others debate its precise posture.1
Odeeffannoon eessaa dhufa
- A Basal Lithostrotian Titanosaur (Dinosauria: Sauropoda) with a Complete Skull: Implications for the Evolution and Paleobiology of Titanosauria - PMC (pmc.ncbi.nlm.nih.gov)
- Sarmientosaurus (en.wikipedia.org)
- A Basal Lithostrotian Titanosaur (Dinosauria: Sauropoda) with a Complete Skull: Implications for the Evolution and Paleobiology of Titanosauria (journals.plos.org)
- Sarmientosaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.
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Brachiosaurus
Diplodocus
Brontosaurus
Argentinosaurus
Camarasaurus
Morosaurus
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Triceratops
Velociraptor
Spinosaurus
Ankylosaurus
Parasaurolophus