Yunguisaurus

Yunguisaurus is an extinct genus of pistosaur known from the Guizhou Province of China.

==Description== Yunguisaurus is known from the holotype NMNS 004529/F003862, an articulated and almost complete skeleton missing only the distal tail. The preserved skeleton has a length of about with estimated total length about , while paratype specimen became much larger with length around . It was collected near Huangnihe River, Chajiang of Guizhou, from the Falang Formation. It is thought to belong to the Paragondolella naantangensis-P. polygnathiformis Assemblage Zone, dating to the Carnian stage of the early Late Triassic. It differs from other pistosauroids by a combination of characters. Nevertheless, its original description is a preliminary report while the postcranial skeleton still waits for further preparation and full description.