Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geologic_period
|
| gptkbp:characterizedBy |
abundant plant fossils
coal-forming swamps early reptiles and amphibians |
| gptkbp:endDate |
approximately 299 million years ago
|
| gptkbp:followedBy |
gptkb:Permian_(geologic_period)
|
| gptkbp:namedAfter |
gptkb:Pennsylvania,_USA
|
| gptkbp:partOf |
gptkb:Carboniferous_period
|
| gptkbp:period |
approximately 323 million years ago
|
| gptkbp:precededBy |
gptkb:Mississippian_(geologic_period)
|
| gptkbp:replacedBy |
Upper Carboniferous (in international usage)
|
| gptkbp:usedIn |
North American stratigraphy
|
| gptkbp:bfsParent |
gptkb:Hammond-Whiting,_Indiana
gptkb:Hammond-Whiting |
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pennsylvanian (formerly)
|