Here, we describe the dicynodont Lisowicia bojani, from the Late Triassic of Poland, a gigantic synapsid with seemingly upright subcursorial limbs that reached an estimated length of more than 4.5 ...

Fossil skull of the extinct cynodont therapsid Cynognathus crateronotus. Cynognathus was a powerful predator that was close to being a mammal, but not quite. It has been found in several parts of ...

Pyozia mesenensis, gen et sp. nov. is the second varanopid synapsid from the Middle Permian Krasnoschelsk Formation of Russia. Pyozia is a basal varanopid similar to Archaeovenator in having teeth ...

Infographic showcasing the differences in jaw functional anatomy and body size and the potential ecological inferences found in the study of more mammal-like behaviours among ancient predatory ...

Researchers compared modern and ancient animals to explore how mammalian vertebrae have evolved into sophisticated physical structures that can carry out multiple functions. The comparison between ...

Mammals are familiar beasts. From a squirrel on a power line to a blue whale swimming through the sea, we share the world with more than 6,000 mammal species of all shapes and sizes. While we can ...

A primitive lizard that lived 309 million years ago has been unearthed in Canada with its tail wrapped round its young. It is the earliest example uncovered of parental care in the animal kingdom, ...

The evolutionary success of the first large predators on land was driven by their need to improve as killers, researchers suggest. The evolutionary success of the first large predators on land was ...