(Jeremy Weber/Daily Inter Lake) Aamon Jaeger of Northwest Montana Fossils holds a recent find, the partial lower jaw of a Daspletosaurus found in north central Montana. (Jeremy Weber/Daily Inter ...

Paleontologists have long debated the origins of one of the most iconic dinosaurs, the Tyrannosaurus rex. While many fossils ...

This newly discovered fossil joins the family of other tyrannosaurs found in Canada: Daspletosaurus, Gorgosaurus, Albertosaurus and Tyrannosaurus rex.Daspletosaurus was the last tyrannosaur fossil ...

named Daspletosaurus wilsoni, or D. wilsoni. Wilson first saw a small, flat piece of bone projecting out of the bottom of a cliff at the Judith River Formation in northeastern Montana. The fossil ...

Paleontologists have discovered fossils belonging to a newfound species of tyrannosaur, which could fill an important gap in the evolutionary history of T. rex. When you purchase through links on ...

For fossil hunters, the teeth they found in the ... Plucked from the jaw of a Daspletosaurus, a close relative of the T. rex, the fossilized tooth was embedded in resin and sliced open with ...

rex was more closely related to the large carnivore Tarbosaurus in Asia compared with top predators in North America such as Daspletosaurus ... be preserved in the fossil record,” he said.

A fossil site in Utah reopens an old debate about whether T ... “There’s a gap of several million years between the last Daspletosaurus and the earliest T. rex.” Mind the Gap of Evolution While we’re ...

Scientists say that the fossil of a close relative of Tyrannosaur ... Most of them — animals like Albertosaurus, Daspletosaurus and the eventual emperor of the continent, Tyrannosaurus rex ...