The dinosaur family tree may need to be radically rewritten — and even uprooted and replanted elsewhere, a new analysis of about 75 different species shows.

Feathered dinosaur tail found trapped in amber The proposed new family tree includes two reformulated categories, or clades, of dinosaurs to replace the two that paleontologists have long recognized.

Researchers recovered three adult skeletons, five egg clutches and well-preserved bones from Wuding County’s Lower Jurassic ...

EDMONTON — A couple of partial skeletons found on the other side of the Pacific Ocean are helping scientists bridge an evolutionary gap in one dinosaur group’s family tree. The findings ...

Some of the most basic categories in the dinosaur family tree may be in need of a rewrite. For around 130 years, scientists have divided dinosaurs into two major groups (called "clades"), based in ...

Scientists have discovered a new species of dinosaur - in the collection of a Mongolian museum - that they say "rewrites" the evolutionary history of tyrannosaurs. Researchers concluded that two ...

Scientists from the Museum and Cambridge University have proposed radical changes to the dinosaur family tree, based on their analysis of hundreds of fossil features. The research provides important ...

But Baron and his co-authors decided to take another look at the simple division that has defined the dinosaur family tree for so long. They examined 74 types of dinosaurs, taking a look at 457 ...

New species of dinosaur discovered that 'rewrites' T.rex family tree Masato Hattori An artist's impression of Khankhuuluu mongoliensis, the newly discovered tyrannosaur ancestor Victoria Gill ...

It was back in 1887 that Harry Seeley, a British palaeontologist came up with today’s system of classifying the dinosaurs. His system is based on the arrangement of bones in the pelvis.

Tawa hallae has a carnivore's teeth, placing it in the category of the theropods, which includes later meat-eating dinosaurs like T. rex and velociraptor. Like many theropods, Tawa is believed to ...