A fossil of the 23-foot-long predator could help unlock secrets of an order of dinosaurs that remain poorly understood. By Asher Elbein In 2019, a team of researchers uncovered a 70-million-year-old ...

A reconstruction of the newly discovered megaraptor Joaquinraptor casali from Argentina with a Cretaceous-era crocodile arm in its mouth. Illustration by Andrew McAfee, Carnegie Museum of Natural ...

Paleontologists have discovered a new species of megaraptor dinosaur in Argentina, along with a startling clue about what it ate. Named Joaquinraptor casali, the apex predator apparently ate ...

An artistic rendering of a Joaquinraptor casali with a croc leg in its mouth. Andrew McAfee / Carnegie Museum Paleontologists working in Argentina have revealed one of the most complete megaraptor ...

J. casali was a type of theropod dinosaur known as a megaraptor, or "large thief," that lived in the final stages of the Cretaceous period between about 70 million and 66 million years ago, before the ...

Joaquinraptor is a newly discovered species of megaraptor that was found with the leg bone of a crocodyliform (a crocodile ancestor) in its mouth. This is the most complete megaraptor skeleton ever ...

While the great Tyrannosaurus rex stalked prehistoric North America, a very different apex predator prowled ancient Argentina: the newly discovered megaraptor Joaquinraptor casali. When ...

Here’s what you’ll learn when you read this story: Joaquinraptor is a newly discovered species of megaraptor that was found with the leg bone of a crocodyliform (a crocodile ancestor) in its mouth.

A croc bone locked between the 70-million-year-old predator’s jaws gives scientists a rare look into its life and possibly its last feast. A reconstruction of the newly discovered megaraptor ...