Genus
Callixylon Zalessky, 1911
List of species
Klassificering
Organism group | Biota |
Kingdom | Plantae |
Phylum | Archaeopteridophyta |
Class | Archaeopteridopsida |
Order | Archaeopteridales |
Family | Archaeopteridacea |
Genus | Archaeopteris |
Callixylon | |
Species | trifilievii |