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Austroraptor

Reconstructed skeleton of a titanosaur, among the largest land animals
Photo: William Irvin Sellers, Lee Margetts, Rodolfo Aníbal Coria, Phillip Lars Manning, CC BY 2.5, via Wikimedia Commons
Name means
Southern thief
Diet
Carnivore
Posture
Bipedal
Period
Late Cretaceous
Length
16-20 feet (5-6 meters)

Order: Saurischia · Suborder: Theropoda · Infraorder: Dromaeosauridae · Family: Dromaeosauridae

Austroraptor was a large carnivorous dinosaur that inhabited what is now Argentina during the Late Cretaceous period. A member of the dromaeosaurid family—the group commonly known as "raptors"—Austroraptor ranks among the biggest known members of its family, measuring between five and six metres in length. Its name derives from the Latin for "southern thief," reflecting both its geographic range and its predatory lifestyle.

Restoration of Spinosaurus, a large sail-backed predatory dinosaur
Photo: Brondon Bobah, CC BY 4.0, via Wikimedia Commons

Unlike many of its raptor relatives, Austroraptor possessed several distinctive anatomical features. The dinosaur had relatively short arms compared to other dromaeosaurs and a long, narrow snout equipped with conical teeth. This unusual combination of traits has led paleontologists to propose that Austroraptor may have hunted fish alongside other prey, distinguishing its diet from that of many contemporary raptors. The discovery and study of Austroraptor's remains have provided valuable insight into the remarkable diversity of the raptor family as it evolved across the southern continents during the Cretaceous era.

More Cretaceous-period dinosaurs →

Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.

Frequently asked questions

What does Austroraptor mean?

The name Austroraptor means “Southern thief”.

When did Austroraptor live?

Austroraptor lived during the Late Cretaceous.

Was Austroraptor a carnivore or a herbivore?

Austroraptor was a carnivore.

How big was Austroraptor?

Austroraptor was about 16-20 feet (5-6 meters) long.

Related dinosaurs

Other dinosaurs from the Dromaeosauridae family.

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