Leyesaurus
Leyesaurus was a long-necked dinosaur that lived in what is now Argentina. It walked on two legs and used its long neck to reach leaves high up in trees.1
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kalkulua
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Datu dibertigarriak
Leyesaurus had an extremely long neck for its time. Its sixth neck bone was more than five times longer than it was tall, which is unique among early sauropodomorphs.1
This dinosaur is a member of the Massospondylidae family, which were plant-eating dinosaurs that spread across many continents.1
Leyesaurus lived during the Early Jurassic Period, about 201 to 174 million years ago.2
The only known skeleton of Leyesaurus is partially articulated, meaning many bones were still connected when found.1
Leyesaurus had a sharply angled snout, with its upper jaw bone rising at a 50-degree angle.1

Dino adituentzat
- Izen zientifikoa
- Leyesaurus
- Izendatzailea:
- Apaldetti et al. 20115
- Taldea
- Lepo-luzeak
- Familia / klada
- Massospondylidae5
- Sailkapena
- Sauropodomorpha5
- Arroken adina
- 201 eta 175 milioi urte artean (Hettangian / Toarcian)5
- Herrialdeak
- Argentina5
- Fosil-erregistroak
- 1 The Paleobiology Database datu-basean5
- Aurkikuntza
- Leyesaurus was named in 2011 by Cecilia Apaldetti and colleagues. The fossils were found in the Quebrada del Barro Formation in San Juan Province, Argentina.1
- Oraindik eztabaidagai
- Scientists are not sure exactly how big Leyesaurus grew, because only a partial skeleton has been found.1
Datuak nondik datozen
- A New Basal Sauropodomorph (Dinosauria: Saurischia) (journals.plos.org)
- PBDB Taxon (paleobiodb.org)
- A New Basal Sauropodomorph (Dinosauria: Saurischia) from Quebrada del Barro Formation (Marayes-El Carrizal Basin), Northwestern Argentina | PLOS One (journals.plos.org)
- Leyesaurus (en.wikipedia.org)
- Leyesaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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