charophyta and gastropoda of the Linxi Formation in southern Hebei.Sporopollen assemblage of the Linxi Formation is characterized dominantly by gymnospermous pollen
abundance of pteridophytic spores
but no angios-permous pollen are found there.The main members of the assemblage include Schizaoisporites
Cicatricosisporites
Osmundacidites
Densoispoyites
Classopollis Cycadopites and disaccate;Ostracoda:Cypridea (Ulwellia) taihangshanensis