Aoniraptor Facts
| Diet | Carnivore |
| Height | 2.5m |
| Length | 6m |
| Weight | 400 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Theropod |
| Location | Argentina |

| Diet | Carnivore |
| Height | 2.5m |
| Length | 6m |
| Weight | 400 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Theropod |
| Location | Argentina |
Aoniraptor was a fearsome theropod dinosaur that stalked the forests of what is now Argentina around 100 million years ago, during the Late Cretaceous period. This impressive predator belonged to a group called megaraptorans, which were characterised by their large size and powerful claws, making them some of the most formidable hunters of their time.
Measuring approximately 6 metres in length and standing 2.5 metres tall at the hip, Aoniraptor was a substantial carnivore that likely weighed around 400 kilograms. Like other theropods, it walked on two powerful legs and possessed sharp, curved claws that would have been devastating weapons for catching and killing prey. Its long tail helped it maintain balance whilst running and hunting.
Living in the lush, warm environment of Cretaceous Argentina, Aoniraptor shared its habitat with various other dinosaurs, including sauropods and smaller theropods. As a carnivore, it likely hunted medium-sized dinosaurs and may have scavenged when the opportunity arose. The species name 'libertatem' means 'freedom' in Latin, reflecting the creature's status as a top predator in its ecosystem.
What makes Aoniraptor particularly interesting to palaeontologists is that it represents one of the better-known megaraptoran species from South America, helping scientists understand how these powerful predators evolved and spread across the ancient supercontinent of Gondwana.
Aoniraptor possessed the characteristic large, sickle-shaped claws typical of megaraptoran theropods, along with a robust build and powerful limbs. Its skull featured sharp, serrated teeth perfectly adapted for slicing through flesh, and it had a relatively long neck compared to other large predators.
As a large predator, Aoniraptor likely hunted alone or in small groups, using its speed and powerful claws to ambush prey. It probably inhabited forested areas where it could use vegetation for cover whilst stalking potential victims, employing stealth and sudden bursts of speed to capture its meals.
| Phylum | Chordata |
| Class | Saurischia |
| Order | Avetheropoda |
| Family | Neovenatoridae |
| Genus | Aoniraptor |
Aoniraptor was first described by Matías Motta in 2016. The original fossils were discovered at Huincul Formation, Neuquén Province, Argentina.