Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geologic period
|
| gptkbp:characterizedBy |
high oxygen levels
lycopsid forests widespread coal beds |
| gptkbp:correspondsTo |
gptkb:Upper_Carboniferous_(in_Europe)
|
| gptkbp:dividedInto |
gptkb:Bashkirian
gptkb:Gzhelian gptkb:Kasimovian gptkb:Moscovian |
| gptkbp:endDate |
approximately 298.9 million years ago
|
| gptkbp:followedBy |
gptkb:Permian_period
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pennsylvanian period
|
| gptkbp:namedAfter |
gptkb:Pennsylvania
|
| gptkbp:notableFor |
coal-forming swamps
early reptiles giant insects diverse amphibians |
| gptkbp:partOf |
gptkb:Carboniferous_period
|
| gptkbp:precededBy |
gptkb:Mississippian_period
|
| gptkbp:startDate |
approximately 323.2 million years ago
|
| gptkbp:usedIn |
North American stratigraphy
|
| gptkbp:bfsParent |
gptkb:Flatirons
gptkb:Ouachita_Mountains |
| gptkbp:bfsLayer |
5
|