upper McLeansboro Group in which chronostratigraphic unit is the base: KasimovianContaining Unit: McLeansboro grouprank: Subgroup status: rejectedin which chronostratigraphic unit is the top: Ghzelian
McLeansboro group in which chronostratigraphic unit is the base: Moscovianrank: Group status: regionalin which chronostratigraphic unit is the top: Ghzelian
Desmoinesian absolute age of base: 310000kyerror in absolute age of base: 0%in which chronostratigraphic unit is the base: Moscovianrank: Age/Stage status: regionalin which chronostratigraphic unit is the top: Kasimovian
Kasimovian absolute age of base: 307200kyerror in absolute age of base: 0%Containing Unit: Upper Pennsylvanianrank: Age/Stage status: global
Upper Pennsylvanian absolute age of base: 307200kyerror in absolute age of base: 0%Containing Unit: Pennsylvanianrank: Epoch/Series status: global
Blaine Formation Bibliographic references: An Early Permian flora with Late Permian and Mesozoic affinities from North-Central Texasin which chronostratigraphic unit is the base: KungurianContaining Unit: Pease River Grouprank: Formation status: regionalin which chronostratigraphic unit is the top: Capitanian
Wordian Bibliographic references: International Stratigraphic Chartabsolute age of base: 268000kyerror in absolute age of base: 0%Containing Unit: Guadalupianrank: Age/Stage status: global
San Angelo Formation Bibliographic references: An Early Permian flora with Late Permian and Mesozoic affinities from North-Central Texasin which chronostratigraphic unit is the base: KungurianContaining Unit: Pease River Grouprank: Formation status: regionalin which chronostratigraphic unit is the top: Wordian