Dinosaur Discovery on MSN

The apex predator of the Morrison Formation

Long before Tyrannosaurus rex, Allosaurus was the dominant predator of North America’s Late Jurassic ecosystems. Fossils from ...
EurekAlert!

The giant jurassic dinosaur Allosaurus was a scavenger, not a predator

In a paper published August 23, authors Cameron Pahl and Luis Ruedas, of Portland State University, show that Allosaurus, a large carnivorous dinosaur from the Jurassic that has long been thought to ...
WGHP

‘Rex appeal’: Study proposes there may have been more than one species of Tyrannosaurus

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (WGHP) — Tyrannosaurus rex. The name ...
The New York Times

They Want to Break T. Rex Into 3 Species. Other Paleontologists Aren’t Pleased.

The premise, put forth in a new paper, highlights an assortment of tensions in dinosaur paleontology, including how subjective the naming of species can be. By Asher Elbein Tyrannosaurus rex is the ...
USA Today

New research says Tyrannosaurus was actually three species – rex, imperator and regina

Since its discovery in 1902, there’s only been one known type of Tyrannosaurus: the rex. However, a new study says there were three types of Tyrannosaurus, based on differences in fossils' femurs and ...