Pachypteris Brongn., Prodr. Hist. Vég. Foss.: 49. 1828 Pachypteris Brongn., Prodr. Hist. Vég. Foss.: 49. 1828is earlier homonym of Pachypteris Kar. & Kir. in Bull. Soc. Imp. Naturalistes Moscou 15: 158. 1842This name is not assigned to any taxon.
