The Mammal-Like Reptiles of South Africa: and the Origin of Mammals. Dr. Robert Broom. (Issued under the auspices of the Carnegie Corporation of New York, and the Research Board, Union of South ...

A new species of ancient reptile has been named after spending more than 200 million years buried in the ground. Threordatoth ...

The previously unknown lizard-like creature lived more than 200 million years ago during the Late Triassic period.

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

Using hundreds of samples of fossilised faeces, vomit and intestinal contents, alongside bones and footprints, researchers ...

The genus, Threordatoth, earns its name from the three points of the animal’s teeth, called tricuspids. It is a combination ...

The jaws of a house cat are more lion- than wolf-like, for example. The teeth of horses and zebras look alike. The ear bones of mammals were once the jaws of prehistoric reptiles. And so on.

Nor is Dimetrodon or other reptiles in the same group (previously called 'mammal-like reptiles' and now called synapsids). None of these other extinct groups shared the characteristic upright stance ...

When dinosaurs first appeared 230 million years ago, mammal-like reptiles and giant crocodile-like creatures ruled the Earth. But gradually, dinosaurs outcompeted the other species. The new ...

Amniotes split into the sauropsids (leading to birds and reptiles) and synapsids (leading to mammal-like reptiles). These small early mammals developed hair, homeothermy, and lactation (red lines).

(Yes, even dolphins.) 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 ...