Tetrapod skeletal fossils preserved in the South Taodonggou Section in Xinjiang, China date to approximately 150,000 years before the end-Permian mass extinction ...

The Triassic is one of the most important periods in the evolution of life on Earth. After one of the greatest mass ...

But the prevalence of the pentadactyl limb argues just the opposite: That for whatever prehistoric reasons, an ancestral tetrapod had five digits per limb, and all of its descendants did as well.

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 ...

Valentia Island off the coast of Co Kerry is home to what experts believe are dinosaur tracks, or more specifically, tracks belonging to a Tetrapod, which is a type of rare and extinct water mammal.

This fact enabled the research team to reconstruct the original architecture of the set of chromosomes (karyotype) of the ancestral tetrapod from the sequences of the lungfish species that are ...