Petrobrasaurus
Petrobrasaurus was a huge, long-necked plant-eater that lived in what is now Patagonia, Argentina. It was a titanosaur, a group of the biggest dinosaurs ever to walk the Earth.23
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Petrobrasaurus is known from a partial skeleton that includes teeth, vertebrae, ribs, leg bones, and even sternal plates.1
Its name honors the Petrobras oil company, which helped preserve fossils in the area.1
This dinosaur lived about 89 to 83 million years ago, during the Late Cretaceous period.3
Its teeth were cylindrical and pencil-like, perfect for a plant-eating diet.1
The fossils were found near an oil well called PH 1597, in the Puesto Hernández oil field.1

Dino adituentzat
- Izen zientifikoa
- Petrobrasaurus
- Izendatzailea:
- Filippi et al. 20114
- Taldea
- Lepo-luzeak
- Familia / klada
- Titanosauria4
- Sailkapena
- Sauropodomorpha > Sauropoda > Titanosauria > Macronaria4
- Arroken adina
- 90 eta 84 milioi urte artean (Coniacian / Santonian)4
- Arroka-formazioak
- Plottier4
- Herrialdeak
- Argentina4
- Fosil-erregistroak
- 1 The Paleobiology Database datu-basean4
- Aurkikuntza
- Petrobrasaurus was named in 2011 by Leonardo Filippi and colleagues, based on a partial skeleton found in the Plottier Formation of Argentina.23
- Oraindik eztabaidagai
- Scientists are not sure exactly which group of titanosaurs Petrobrasaurus belongs to; some think it might be related to Lognkosauria, but it is still considered Titanosauria incertae sedis (uncertain placement).1
Datuak nondik datozen
- A new sauropod titanosaur from the Plottier Formation (Upper Cretaceous) of Patagonia (Argentina) (revistes.ub.edu)
- Petrobrasaurus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Petrobrasaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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