Keichosaurus hui Variant:Unprimed in the time range known

in the time range known as the Maastrichtian

indicating a possible swimming function

Zupaysaurus rougieri es un dinosaurio terópodo que habitó durante el período Triásico Tardío

approximately 110 to 105 million years ago

Keichosaurus hui Variant:Unprimed in the time range knownKeichosaurus hui is a small diapsid marine reptile that lived during the Middle Triassic , approximately 245240 million years ago, in what is now southern China. It belongs to the group of primitive sauropterygians within the Pachypleurosauridae family and is one of the best known marine reptiles thanks to the abundance and exceptional preservation of its fossils, primarily from the Guanling Formation (Guizhou Province). Recent studies consider it a