Fen River
Several regional variants of the late middle Yellow River Longshan have been identified, including Wangwan III in western Henan, Hougang II in northern Henan and southern Hebei, Taosi in the Fen River basin in southern Shanxi, and several clusters on the middle reaches of the Jing River and Wei River collectively known as Kexingzhuang II or the Shaanxi Longshan.