The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature.
When published, included types of two fossil-genera, Hymenopteris R. Br. ex Sternb. (Vers. Fl. Vorwelt (4): xxii. Sep 1825) and Sphenopteris (Brongn.) Sternb. (Vers. Fl. Vorwelt (3): 36. May 1823).