-
Callistophytales is an
extinct order of ****tophytes (seed plants)
which lived from the
Pennsylvanian (Late Carboniferous) to
Permian periods. They were...
- to be
referred to as pteridosperms: Lyginopteridales, Medullosales,
Callistophytales and Pelta****les, with "Mesozoic seed ferns"
including the Petriellales...
- and
other extinct seed
plant groups †Bennettitales †Calamopityales †
Callistophytales †Caytoniales †Cordaitales †Corysto****les †Czekanowskiales †Gigantopteridales...
- and
other extinct seed
plant groups †Bennettitales †Calamopityales †
Callistophytales †Caytoniales †Cordaitales †Corysto****les †Czekanowskiales †Gigantopteridales...
-
qualify as "seed ferns":[citation needed] †Cordaitales †Calamopityales †
Callistophytales †Caytoniales †Gigantopteridales †Glossopteridales †Lyginopteridales...
- and
other extinct seed
plant groups †Bennettitales †Calamopityales †
Callistophytales †Caytoniales †Cordaitales †Corysto****les †Czekanowskiales †Gigantopteridales...
- and
other extinct seed
plant groups †Bennettitales †Calamopityales †
Callistophytales †Caytoniales †Cordaitales †Corysto****les †Czekanowskiales †Gigantopteridales...
- †Pelta****les? †Umkomasiales? (corystosperms) †Caytoniales? †Dicranophyllales? †Calamopityales? †
Callistophytales? †Glossopteridales? †"Palaeophyllales"?...
- Amentotaxus,
Torreya Order Cordaitales Order Calamopityales Order Callistophytales Order Caytoniales Order Gigantopteridales Order Glossopteridales Order...
- and
other extinct seed
plant groups †Bennettitales †Calamopityales †
Callistophytales †Caytoniales †Cordaitales †Corysto****les †Czekanowskiales †Gigantopteridales...
