Paleoexhibit

The synapsids constitute the second major group of reptiles after the diapsids. They are characterized by a single hole in the skull just b...

Chroniosaurus dongusensis measured about 30 cm in length. Chroniosuchians form a very obscure group of small, superficially croc-lik...

The Late Permian Diapsids, Part I In a previous post , I have covered the emergence of the diapsids during the Late Carboniferous ...

The amniotes (those initially four-legged creatures that produce "amniotic eggs", i.e. eggs adapted for land life) are tradition...