Newly discovered tetrapod footprints suggest that the evolution of limbed vertebrates may have occurred nearly 20 million years earlier than scientists previously believed, according to a study ...

But that doesn’t seem to be the case at the poles, where ancient creatures were doing their own thing, Pardo said. “Gaiasia ...

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 ...

The concept of an ancient horned serpent traversing the lands ... associating it with local tetrapod fossils. He suggests that these findings mark a case of indigenous paleontology.