The Helicoprionid Fossil from Lower Permian Maokuo Stage in Weining, Guizhou Province
Abstract:The Helicoprionid fossil from the Lower Permian Maokou Stage in Weining of Guizhou Province is described in this paper. It is quite similar to the Holotype of Hunanohelicoprion xiandongensis Liu discovered from the upper part of the Lower Permian Qixia St