Adeopapposaurus
Adeopapposaurus was a long-necked plant-eater that lived in what is now Argentina during the Early Jurassic. It walked on two legs and used its long neck to reach leaves high up in trees. Its name means 'far eating lizard' because of that super long neck!1
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Fun facts
Adeopapposaurus had a horny beak on the tips of its upper and lower jaws, like a turtle's beak, to help it eat tough plants.12
It had 11 very long neck bones (cervical vertebrae) that made its neck extra stretchy for reaching high branches.2
Scientists first thought Adeopapposaurus fossils were from a different dinosaur called Massospondylus, but later realized it was a new genus.1
Four partial skeletons and two partial skulls of Adeopapposaurus have been found, giving scientists a good look at its body.1
Adeopapposaurus lived during the Early Jurassic, about 200 to 183 million years ago.1
Most asked questions about Adeopapposaurus
?How big was Adeopapposaurus?
Scientists have not given an exact size, but it was a medium-sized dinosaur with a long neck. It had 11 neck bones and 13 back bones, and its body was probably a few metres long, though no exact length is known.13
?What did Adeopapposaurus eat?
It was a plant-eater. It had a horny beak on its jaws to help it eat tough plants, and it used its long neck to reach leaves high in trees.13
?Did Adeopapposaurus have feathers?
No source says it had feathers. It was a dinosaur, but no fossil evidence of feathers has been found for Adeopapposaurus.1
?When did Adeopapposaurus live?
It lived during the Early Jurassic, about 200 to 183 million years ago, in what is now Argentina.1
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Myth buster
Myth: Adeopapposaurus was a giant, four-legged sauropod like Brachiosaurus.
Truth: Adeopapposaurus was a smaller, two-legged sauropodomorph, only about 3 to 4 meters long, and it walked on its hind legs.1
For dino experts
- Scientific name
- Adeopapposaurus
- Named by
- Martínez 20094
- Group
- Long-necks
- Family / clade
- Massospondylidae4
- Classification
- Sauropodomorpha4
- Age of the rocks
- 201 to 175 million years (Hettangian / Toarcian)4
- Rock formations
- Cañon del Colorado4
- Countries
- Argentina4
- Fossil records
- 2 in the Paleobiology Database4
- Discovery
- Adeopapposaurus was named and described by paleontologist Ricardo N. Martínez in 2009, based on fossils found at the Mogna locality in Argentina.14
- Still debated
- Scientists are still debating whether Adeopapposaurus is more closely related to Massospondylus or to other early sauropodomorphs.12
Where the facts come from
- Adeopapposaurus (en.wikipedia.org)
- JVP 29(1) chock full o' dinosaurs (Spoiler Alert) (dml.reptilis.net)
- ARTICLE ADEOPAPPOSAURUS MOGNAI, GEN. ET SP. NOV (studyres.com)
- Adeopapposaurus in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.
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