Abydosaurus
Abydosaurus was a huge, long-necked plant-eater that lived about 104 million years ago. It is special because scientists found its complete skull, which is very rare for sauropods. This dinosaur had narrow teeth, unlike its wider-toothed relative Brachiosaurus.21
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Abydosaurus is one of the few sauropods known from a complete skull. Sauropod skulls are very rare because they are small and fragile.2
Its skull was tiny compared to its body, only about 1/200th of its total volume. That is like a pea on a giant pumpkin.2
It had narrow teeth, unlike its relative Brachiosaurus which had broad teeth. This change happened over millions of years.2
The name Abydosaurus comes from the Egyptian city Abydos, where the god Osiris' head and neck were buried. The dinosaur's skull and neck were found together.12
Fossils of four different Abydosaurus individuals were found in the same quarry, including three partial skulls.2

Abydosaurus: gehien egindako galderak
?What did Abydosaurus eat?
It ate plants. Its narrow teeth suggest it may have eaten different plants than its broad-toothed relatives.12
?How big was Abydosaurus?
About 18.3 metres long. That is as long as a bowling lane.1
?Where was Abydosaurus found?
Its fossils were found in northeastern Utah, United States, at Dinosaur National Monument.1
?When did Abydosaurus live?
It lived about 104 million years ago, during the Early Cretaceous period.12
?Why is Abydosaurus special?
It is one of the few sauropods known from a complete skull. That is very rare because sauropod skulls are small and fragile.12
?Is Abydosaurus a dinosaur?
Yes, it is a brachiosaurid sauropod dinosaur.1
Mito-hauslea
Mitoa: Some people think all sauropods had wide, spoon-shaped teeth like Brachiosaurus.
Egia: Abydosaurus had narrow teeth, showing that some sauropods evolved different tooth shapes for different diets.2
Dino adituentzat
- Izen zientifikoa
- Abydosaurus
- Izendatzailea:
- Chure et al. 20103
- Taldea
- Lepo-luzeak
- Familia / klada
- Brachiosauridae3
- Sailkapena
- Sauropodomorpha > Sauropoda > Macronaria3
- Arroken adina
- 100 eta 94 milioi urte artean (Cenomanian)3
- Arroka-formazioak
- Cedar Mountain3
- Herrialdeak
- AEB3
- Fosil-erregistroak
- 1 The Paleobiology Database datu-basean3
- Aurkikuntza
- Abydosaurus was named in 2010 by Daniel Chure and his team. The first complete skull was found in Dinosaur National Monument, Utah, USA, along with the first four neck bones.12
- Oraindik eztabaidagai
- Scientists are not sure exactly how big Abydosaurus grew, because only skulls and some postcranial bones have been found.1
Datuak nondik datozen
- Abydosaurus (en.wikipedia.org)
- First complete sauropod dinosaur skull from the Cretaceous of the Americas and the evolution of sauropod dentition - PMC (pmc.ncbi.nlm.nih.gov)
- Abydosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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