Tsintaosaurus had a relatively large brain relative to its body size

providing protection against predators and other dangers

reaching lengths of up to 9 meters and weighing around 4 to 5 tons

as well as various types of aquatic reptiles and fish

Lalieudorhynchus gandi Tethyshadros Tsintaosaurus had a relatively largeLalieudorhynchus gandi, an extinct group of reptiles that possessed mammalian features and were thought to be ancestors of mammals. It was about 3. 5 meters tall and lived during the Permian period (in what is now southern France) a period that began about 299 million years ago and ended about 252 million years ago with the start of the Triassic. Lalieudorhynchus is represented by a partial postcranial skeleton discovered in the Lodve basin in the