Westphalian
Carboniferous
Serpukhovian
Visean
Bashkirian
Moscovian
Gzhelian
Kasimovian
carboniferous
Oligocene
carbonigenous
Lepidodendrales
order Lepidodendrales
Selandian
Thanetian
Danian
Pennsylvanian
order Bennettitales
Bennettitales
Upper Carboniferous period
Mississippian
Pennsylvanian period
Upper Carboniferous
Ypresian
Lutetian
Priabonian
Bartonian
Eocene
Siderian
archicontinent
Saale glaciation
Pleistocenic
Bennettitaceae
family Bennettitaceae
Miocenic
Paleogene
Caledonian
Miocene
class Pteridospermopsida
boreotropics
-zoic
Pteridospermopsida
Orosirian
Calymmian
Carboniferous period
Cisuralian
Pleistocene
Serravallian
Tortonian
Burdigalian