Abelisaurus

The Abelisaurus was a large theropod that lived during the Late Cretaceous Period which was 70 to 66 million years ago. This dinosaur was also a member of the Abelisauridae family, which consists of other ceratosaurian theropods.

Key facts about the Abelisaurus

DomainDescription
Abelisaurus pronunciationah-BEEL-ee-sore-us
What does Abelisaurus mean?The name was derived from the last name of Robert Abel, the paleontologist who discovered the remains.
Dinosaur typeTheropod
On the menuCarnivore
Length30 feet (9 meters)
Height11 feet (3.5 meters)
Weight4400lbs (2000 kg)
Life expectancyWe do not know enough to estimate a life expectancy
Legs used to get aroundBipedal.
Estimated top speedDue to a lack of information and not enough evidence, the top speed is unknown.
When they livedLate Cretaceous Period which was 70 to 66 million years ago.
Where they have been found?TArgentina.

When & Where

In 1983, a paleontologist named Robert Abel discovered the partial skull of an Abelisaurus dinosaur located in the Lago Pellegrini stone quarries of the Rio Negro province, in the country of Argentina. 

Size & Weight

Estimated size is that it reached up to 9 meters in length, 3.5 meters in height, and weighed about 4400lbs or approximately 2000 kg. 

Mobility & Diet

According to studies, it was believed that the Abelisaurus preyed on large sauropods such as the Amargasaurus, as well as smaller dinosaurs who are herbivores.

Interesting Points

  • There is only one specimen that has been discovered by paleontologists.
  • Although there isn’t much knowledge about the Abelisaurus, it is believed that this dinosaur closely resembled the Tyrannosaurus Rex, another theropod.