-
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...
- "Pterido****tophyta", the
polyphyletic "seed ferns". †Cordaitales †Calamopityales †
Callistophytales †Caytoniales †Gigantopteridales †Glossopteridales †Lyginopteridales...
- (another
paraphyletic group of
early seed plants) Pelta****les and
Callistophytales, Gnetum, and the Magnoliophyta. All that can be said at
present is...
- Amentotaxus,
Torreya Order Cordaitales Order Calamopityales Order Callistophytales Order Caytoniales Order Gigantopteridales Order Glossopteridales Order...
- late Carboniferous,
several other groups,
Cycadophyta (cycads), the
Callistophytales (another
group of "seed ferns"), and the Voltziales, appeared. The...
- 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...
-
Lyginopteridales went into
serious decline,
probably being out-competed by the
Callistophytales that
occupied similar ecological niches but had more sophisticated...
- and
other extinct seed
plant groups †Bennettitales †Calamopityales †
Callistophytales †Caytoniales †Cordaitales †Corysto****les †Czekanowskiales †Gigantopteridales...
