S cientists have uncovered the fossilized skull of a 270-million-year-old ancient amphibian ancestor in the collection of the Smithsonian's National Museum of Natural History. In a paper published ...

A newly discovered species of ancient amphibian ancestor that lived around 270 million years ago has been named after Kermit the Frog. Scientists analysed the remains of an inch-long fossilised ...

In Panderichthids (rhipidistian fish ancestors of amphibians), 2 sets of ossifications are present in the centra region. At posterior end, below the neural arch, are pleurocentra. This element gave ...