†class Archaeopteridopsida Takhtajan 1978
Parent taxon: Archaeopteridophytina according to A. B. Doweld 2001
Sister taxa: none
Subtaxa: Archaeopteridales Archaeopteridium
Distribution:
• Permian of United States (1: Michigan collection)
• Carboniferous of the United Kingdom (1), United States (12: Georgia, Illinois, Pennsylvania, West Virginia)
• Givetian of Belgium (1)
• Devonian of Belgium (16), Canada (9: Alberta, Nunavut, Quebec), Ireland (1), Morocco (1), the Russian Federation (1), United States (59: Kentucky, New York, Pennsylvania, West Virginia)
Total: 102 collections including 138 occurrences