New material of Autunia milleryensis (Renault) Krasser, an Early Permian representative of the pteridospermous family Peltaspermaceae, is described from the Lower Permian of the Nahe area, F.G. R. Sandrewia lexana Mamay appears to be a synonym of Autunia milleryensis. The new combinations Autunia thomasii and A. dzungarica are introduced. Callipteris conferta (Sternberg) Brongniart is the sterile foliage attributed to Autunia milleryensis.

Acta botanica neerlandica

CC BY 3.0 NL ("Naamsvermelding")

Koninklijke Nederlandse Botanische Vereniging

J.H.F. Kerp. (1982). Aspects of Permian palaeobotany and palynology. II. On the presence of the ovuliferous organ Autunia milleryensis (Renault) Krasser (Peltaspermaceae) in the Lower Permian of the Nahe area (F.G.R.) and its relationship to Callipteris conferta (Sternberg) Brongniart. Acta botanica neerlandica, 31(5/6), 417–427.