The tuatara may look like a rather ordinary reptile, but it's a highly unusual creature. This New Zealand native has a unique, ancient lineage that goes back to the time of the dinosaurs. There are ...

The outgroup is a requisite part of molecular phylogenetic studies, as it provides a root for phylogenetic trees to determine the polarity of evolution among the taxa of interest. However, this can ...

The fossil of a lizard-like New Zealand reptile has been identified by a team of scientists. The fossil, dating back 18 million years, has triggered fresh arguments over whether the continent was ...

IN the osteological collection here there is a skull of Sphenodon with four nasals. In the position of the usual single nasal, right or left, are two bones side by side. As this condition appears to ...