Scientists have unearthed a remarkable fossil of a gorgonopsian, a saber-toothed predator they believe to be the oldest ever discovered.

Much like many reptiles and birds today ... Some ancient traits were lost and had a major influence on mammal evolution. One ...

Scientists have discovered the oldest known saber-toothed predator, a 270-million-year-old gorgonopsian therapsid fossil.

A saber-toothed predator from over 270 million years ago has been unearthed on Mallorca. The fossil represents the ...

It is most likely the oldest gorgonopsian on the planet,” Josep Fortuny, a study co-author and head of the Computational Biomechanics and Evolution of Life History group at the Institut Català ...

An extinct carnivorous group known as gorgonopsians, which lived between 270 and 250 million years ago, laid eggs and had ...

"This is unusual and tells us a lot about how mammals' evolution took place.” Small mammals living today have much shorter lifespans, some surviving for as little as 12 months, and maturing ...

Tritylodontids were a mammal-like reptile group of herbivores the size of rabbits and hares. They were halfway in the evolution process from reptiles to mammals. The Ono site is the fourth in ...

But in the churn of natural selection, some mammals ended up with appendages that look like they should be found on a reptile, bird, or insect. That’s convergent evolution for you: Why should ...

it lays eggs like a bird or reptile but feeds milk to its young like a mammal. Males also have a pair of venomous spurs on their hind feet, but they don't use them for traditional attack or defence.

and they can also determine what sorts of genetic traits contemporary mammals have gained and lost over the course of evolution. In order to better understand the impact of the platypus study ...

moved in a way that was intermediate between reptiles and mammals. This system is more efficient for walking and especially for running. The recovered saber teeth confirm its diet. "We know that ...