Potangaspis
In Depth Potangaspis is a genus of arthrodire placoderm fish that lived in China during the Devonian. Further Reading - A new antarctaspid arthrodire (placoderm fish) from the Lower Devonian of Guangxi, China. - Vertebrata PalAsiatica 48 (2): 101–110. - Zhu Min, Wang Jun-Qing & Wang Shi-Tao - 2010.