Abelisaurus Facts
Pronunciation: ah-BELL-ih-SORE-us
Name meaning: Abel's Lizard
| Diet | Carnivore |
| Height | 2.5m |
| Length | 7.4m |
| Weight | 1.5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Theropod |
| Location | Argentina |
Abelisaurus was a fearsome theropod dinosaur that stalked the landscapes of South America during the Late Cretaceous Period, approximately 72 million years ago. This powerful predator lived in what is now Argentina, where its fossilised remains were discovered in the 1980s. Despite being known from only a single partial skull, Abelisaurus has provided crucial insights into the evolution of South American predatory dinosaurs.
As a large theropod, Abelisaurus was built for hunting, with an estimated length of around 7.4 metres and a height of approximately 2.5 metres at the hip. Its skull shows typical characteristics of its group, with a robust build and powerful jaws filled with sharp, curved teeth designed for slicing through flesh. Like other large theropods, it walked on two powerful hind legs, leaving its smaller arms free for grasping prey.
Abelisaurus was a carnivore that likely hunted other dinosaurs sharing its environment, including smaller theropods and possibly young sauropods. Its powerful build suggests it was an active predator rather than primarily a scavenger, though like most large carnivores, it probably wouldn't have refused an easy meal from a carcass.
The discovery of Abelisaurus has been particularly important for understanding dinosaur evolution in South America, as it represents one of the earlier members of its family group and helps scientists piece together how these predators diversified across the southern continents during the Cretaceous Period.
What made Abelisaurus distinctive?
Abelisaurus had a robust skull with powerful jaws and sharp, curved teeth typical of large predatory theropods. Its skull shows the characteristic features of its family, including a relatively short snout compared to other large carnivorous dinosaurs. The partial skull fossil reveals thick bone structure suggesting a powerfully built predator.
Behaviour
Abelisaurus was likely an active predator that hunted other dinosaurs in its South American environment. As a large theropod, it probably had territorial behaviour and may have been a solitary hunter, though some evidence suggests certain large theropods occasionally worked together when hunting particularly large prey.
Abelisaurus FAQ
What did Abelisaurus eat?
Abelisaurus was a carnivore that hunted other dinosaurs. Its powerful jaws and sharp teeth were perfect for slicing through flesh, and it likely preyed on smaller theropods, young sauropods, and other dinosaurs that shared its
Late Cretaceous environment in South America.
How big was Abelisaurus?
Abelisaurus reached an estimated length of 7.4 metres and stood about 2.5 metres tall at the hip. It probably weighed around 1.5 tonnes, making it a substantial predator, though these estimates are uncertain as we only have a partial skull to work with.
When did Abelisaurus live?
Abelisaurus lived during the
Late Cretaceous Period, specifically during the Campanian stage approximately 72.2 million years ago. This was towards the end of the age of dinosaurs, roughly 6 million years before the mass extinction event.
Where was Abelisaurus found?
Abelisaurus was discovered in Argentina, specifically in the Río Negro Province. The fossil was found in rock formations that date to the
Late Cretaceous Period, in what was once a river system where the dinosaur's remains were buried and preserved.
How do you pronounce Abelisaurus?
Abelisaurus is pronounced 'ah-BELL-ih-SORE-us'. The name breaks down into three parts: 'Abel' (AH-bell), 'i' (ih), and 'saurus' (SORE-us), with the emphasis on the second syllable.
What does Abelisaurus mean?
Abelisaurus means 'Abel's Lizard'. It was named in honour of Roberto Abel, the Argentine palaeontologist who discovered the fossil. Like many dinosaur names, it combines a personal name with the Greek word 'saurus' meaning lizard.
How fast could Abelisaurus run?
The running speed of Abelisaurus is unknown, as we only have skull remains to study. However, as a large theropod predator, it was likely capable of reasonable bursts of speed when hunting, though probably not as fast as smaller, more lightly built theropods.
What type of dinosaur was Abelisaurus?
Abelisaurus was a theropod dinosaur, specifically belonging to the Abelisauridae family. Theropods were the group of mostly carnivorous dinosaurs that walked on two legs and included famous predators like
Tyrannosaurus rex, though Abelisaurus lived in South America rather than North America.
Was Abelisaurus related to birds?
Yes, as a theropod dinosaur, Abelisaurus was distantly related to modern birds. All theropods, including Abelisaurus, share a common ancestor with birds, though Abelisaurus itself was not directly ancestral to birds and represents a side branch of theropod evolution.
How many Abelisaurus fossils have been found?
Only one Abelisaurus fossil has been found - a partial skull discovered in Argentina in the 1980s. This makes Abelisaurus quite mysterious compared to other dinosaurs, and scientists hope that future discoveries will reveal more about this South American predator.
