Sur la Ptéridospermée Paripteris Gothan 1941, d'un gisement chinois du Carbonifère inférieur

The discovery of an exceptional fossiliferous level from the Lower Carboniferous in the vicinity of Guangzhou (Canton), South China, has produced major information about the habit, the size of vegetative fronds and the organization of male reproductive elements within the genus Paripteris Gothan