New research from the State Museum of Natural History Stuttgart reconstructs Triassic terrestrial ecosystems using fossils ...

It was found very close to the shoulder girdle, and it has many of the features that are distinctive of early tetrapod lower jaws. What's really neat about it is it's a very skinny jaw -- it's ...

There's nothing magical about the number, yet five digits at the end of their limbs is a motif that runs through all the animals with four limbs, called tetrapods. Even when there are fewer than ...

After one of the greatest mass extinctions 252 million years ago, not only the dinosaurs but also many other groups of ...

After one of the greatest mass extinctions 252 million years ago, not only the dinosaurs but also many other groups of terrestrial tetrapods emerged and conquered numerous habitats. Since the ...