Archaeodontosaurus
Archaeodontosaurus was a long-necked plant-eater that lived on Madagascar during the Middle Jurassic. It had teeth that looked like those of earlier, more primitive dinosaurs, which makes it special among its giant relatives.1
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Archaeodontosaurus is known only from a few teeth and some other bones, so scientists are still learning about it.1
Its teeth were shaped like those of prosauropods, an older group of dinosaurs, but its skeleton shows it was a true sauropod.1
It lived about 168 to 165 million years ago, during the Bathonian stage of the Jurassic.2
The only known species is named Archaeodontosaurus descouensi, after the collector Didier Descouens.1
Its fossils were found in the Isalo III Formation of Madagascar, which was once a coastal environment.15
Some scientists think it might be a very early member of the group Gravisauria, which includes many giant sauropods.1

Archaeodontosaurus: gehien egindako galderak
?What did Archaeodontosaurus eat?
It was a plant-eater, like other sauropods. Its teeth suggest it may have eaten hard plant food, based on the wrinkles on its teeth.14
?How big was Archaeodontosaurus?
Nobody knows for sure, because only a few teeth and some bones have been found. Scientists are still learning about its size.1
?When did Archaeodontosaurus live?
It lived about 168 to 165 million years ago, during the Middle Jurassic period.1
?Where was Archaeodontosaurus found?
Its fossils were found in the Isalo III Formation of Madagascar, which was once a coastal environment.1
Dino adituentzat
- Izen zientifikoa
- Archaeodontosaurus
- Izendatzailea:
- Buffetaut 20055
- Taldea
- Lepo-luzeak
- Familia / klada
- Sauropoda5
- Sailkapena
- Sauropodomorpha > Sauropoda5
- Arroken adina
- 168 eta 165 milioi urte artean (Bathonian)5
- Arroka-formazioak
- Isalo IIIb5
- Herrialdeak
- Madagaskar5
- Fosil-erregistroak
- 2 The Paleobiology Database datu-basean5
- Aurkikuntza
- Archaeodontosaurus was named by French paleontologist Eric Buffetaut in 2005, based on fossils found by Didier Descouens in Madagascar.15
- Oraindik eztabaidagai
- Scientists are not sure exactly where Archaeodontosaurus fits on the sauropod family tree, because its teeth are so different from other sauropods.1
Datuak nondik datozen
- Archaeodontosaurus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Archaeodontosaurus descouensi | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
- Sauropod teeth from the Middle Jurassic of Madagascar, and the oldest record of Titanosauriformes (exa.ai)
- Archaeodontosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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