Family
Archaeopteridacea Nicholson et Lydekker, 1889
List of species
1. Archaeopteris fissilis Schmalhausen, 1894 | Gauja Stage
Classification
| Organism group | Biota |
| Kingdom | Plantae |
| Phylum | Archaeopteridophyta |
| Class | Archaeopteridopsida |
| Order | Archaeopteridales |
| Family | Archaeopteridacea |
| Genus | Archaeopteris |
| Callixylon |