Hadrosaurid dinosaurs evolved and diversified rapidly, resulting in a wide variety of crest shapes across different species. Some were tall and tube-shaped, while others looked like helmets or fins.

A newly discovered species of hadrosaur may not have had any kind of cool built-in weapons like a clubbed tail or rows of razor-sharp teeth, but that doesn't mean it wasn't a serious survivor.

Many hadrosaur species lived between 75 and 65 million years ago in the Late Cretaceous Period. Other examples of dinosaurs from the hadrosaur family include the ...

A 'primitive' species . In the late Cretaceous, hadrosaurs were one of the most abundant dinosaur groups in what is now South America. As a result, ...

A dinosaur fossil discovered partially buried within a hillside could be a rare complete skeleton, researchers say. The exposed fossil of a hadrosaur - a large, plant-eating, duck-billed species ...

"Dakota the Dinomummy" went on exhibit in February 2020. The image shows the right manus, or hand, of an Edmontosaurus, a species of the duck-billed hadrosaur.

The species is a ”non-hadrosaurid hadrosauroid,” a species that looks like the well-known hadrosaurids, but has actually diverged genetically and is a transitional species to later known animals.

It's the most complete dinosaur ever found in Mississippi, but exactly what it was remains a mystery. It's been identified as a hadrosaur; a member of a family of similar dinosaurs, and it roamed ...

The species is a ”non-hadrosaurid hadrosauroid,” a species that looks like the well-known hadrosaurids, but has actually diverged genetically and is a transitional species to later known animals.