Phylum
Archaeopteridophyta Snigirevskaya, 2000
List of species
1. Archaeopteris fissilis Schmalhausen, 1894 | Gauja Stage
Classification
| Organism group | Biota |
| Kingdom | Plantae |
| Organism group | Algae (informal) |
| Cryptospores (informal) | |
| Phylum | Angiospermae |
| Archaeopteridophyta | |
| Class | Archaeopteridopsida |
| Phylum | Bryophyta |
| Coniferophyta | |
| Lycopodiophyta | |
| Marchantiophyta | |
| Monilophyta | |
| Spermatophyta | |
| Genus | Osagia |