prefern: Quick Facts
Related Topics and References
Topics
CoenopteridalesProtopteridalesCooksoniaProtopteridiumAneurophytonArchaeopterisDevonian PeriodCarboniferous PeriodextinctionEarly Permian EpochEospermatopterisArchaefructusCycadeoideaLepidodendronRhynie plantCycadeoidophytaCordaitesseed fernSigillariaBaragwanathia