Overosaurus Facts
Pronunciation: OH-ver-oh-SORE-us
Name meaning: Overo Lizard (named after Overo locality)
| Diet | Herbivore |
| Height | 3m |
| Length | 10m |
| Weight | 5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Sauropod |
| Location | Argentina |
Overosaurus was a fascinating sauropod dinosaur that lived in what is now Argentina during the Late Cretaceous period, approximately 86 to 84 million years ago. This long-necked herbivore roamed the ancient landscapes of Patagonia, representing one of the smaller members of the sauropod group found in this region.
Unlike some of its massive Patagonian relatives, Overosaurus was relatively modest in size for a sauropod, measuring about 10 metres in length. This made it considerably smaller than giants like Argentinosaurus, yet it still possessed the classic sauropod body plan with a long neck, long tail, and four sturdy legs. Its compact size may have been an adaptation to specific environmental conditions or food sources in its habitat.
As a herbivore, Overosaurus would have spent most of its time feeding on the abundant plant life of the Late Cretaceous. Its long neck allowed it to reach vegetation at various heights, from ground-level ferns to taller conifers and flowering plants that were becoming more common during this period. The dinosaur's teeth were adapted for stripping leaves and soft plant material, which it would have swallowed whole to be processed in its large digestive system.
Overosaurus lived during an important time in dinosaur evolution, when South America was home to a diverse array of sauropods. Its discovery has helped palaeontologists better understand the variety and relationships of Late Cretaceous sauropods in Patagonia, contributing valuable insights into how these magnificent creatures evolved and adapted to their environments.
What made Overosaurus distinctive?
Overosaurus was distinguished by its relatively small size compared to other Patagonian sauropods, measuring only 10 metres in length. It possessed the typical sauropod features of a long neck and tail, but in more modest proportions than its giant relatives.
Behaviour
Overosaurus likely lived in small herds, moving through the Patagonian landscape in search of suitable vegetation. As a smaller sauropod, it may have been more selective in its feeding habits, targeting specific plants that larger sauropods might have overlooked.
Discovery
Overosaurus was first described by Sebastián Apesteguía and colleagues in 2013. The original fossils were discovered at Overo locality, Patagonia, Argentina.
Overosaurus FAQ
What did Overosaurus eat?
Overosaurus was a herbivore that fed on the plant life of
Late Cretaceous Patagonia. It would have eaten ferns, conifers, and early flowering plants, using its long neck to reach vegetation at different heights and stripping leaves with its specialised teeth.
How big was Overosaurus?
Overosaurus was about 10 metres long and approximately 3 metres tall at the hip, weighing around 5 tonnes. This made it relatively small for a sauropod, especially compared to other Patagonian giants like
Argentinosaurus.
When did Overosaurus live?
Overosaurus lived during the
Late Cretaceous period, approximately 86 to 84 million years ago. This was towards the end of the age of dinosaurs, when flowering plants were becoming more common.
Where was Overosaurus found?
Overosaurus fossils were discovered in the Overo locality in Patagonia, Argentina. This region of South America has yielded many important sauropod discoveries from the
Late Cretaceous period.
How do you pronounce Overosaurus?
Overosaurus is pronounced 'OH-ver-oh-SORE-us', with emphasis on the first and third syllables. The name combines 'Overo' (the discovery locality) with 'saurus' meaning lizard.
What does Overosaurus mean?
Overosaurus means 'Overo Lizard', named after the Overo locality in Patagonia where its fossils were found. The species name 'paradasorum' honours the Parada family who supported the research.
How fast could Overosaurus run?
Like other sauropods, Overosaurus was not built for speed. Its massive body and four-legged stance meant it likely moved at a steady walking pace, perhaps similar to modern elephants at around 6-8 km/h.
What type of dinosaur was Overosaurus?
Overosaurus was a sauropod dinosaur, belonging to the family Aeolosauridae. Sauropods were long-necked, plant-eating dinosaurs that walked on four legs and were among the largest land animals ever to exist.
Was Overosaurus related to birds?
Overosaurus was not closely related to birds. As a sauropod, it belonged to a different major group of dinosaurs called Sauropodomorpha, whilst birds evolved from theropod dinosaurs. However, all dinosaurs share a common ancestor.
How many Overosaurus fossils have been found?
Overosaurus is known from limited fossil material discovered at the Overo locality in Patagonia. Like many sauropod species, it is based on incomplete remains, but enough material was found to identify it as a distinct species.
